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Miyajima K, Nagata T, Mafuné F, Ichino T, Maeda S, Yoshinaga T, Miura M, Hayashi T. Size-dependent reactivity of Rh cationic clusters to reduce NO by CO in the gas phase at high temperatures. Phys Chem Chem Phys 2024; 26:13131-13139. [PMID: 38629236 DOI: 10.1039/d3cp05862j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2024]
Abstract
The reactivity of the reduction of NO pre-adsorbed on Rh2-9+ clusters by CO was investigated using a combination of an alternate on-off gas injection method and thermal desorption spectrometry. The reduction of RhnNxOy+ clusters by CO was evaluated by varying the CO concentration at T = 903 K. Among the RhnNxOx+ clusters, the Rh3N2O2+ cluster exhibited the highest reduction activity, whereas the other clusters, Rh2,4-9NxOx+, showed lower reactivity. Density functional theory (DFT) calculations for Rh3+ and Rh6+ revealed that the rate-determining step for NO reduction in the presence of CO was NO bond dissociation through the kinetics analysis using the RRKM theory. The reduction of Rh3N2O2+ is kinetically preferable to that of Rh6N2O2+. The DFT results were in qualitative agreement with the experimental results.
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Affiliation(s)
- Ken Miyajima
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, Meguro-ku, Tokyo 153-8902, Japan.
| | - Toshiaki Nagata
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, Meguro-ku, Tokyo 153-8902, Japan.
| | - Fumitaka Mafuné
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, Meguro-ku, Tokyo 153-8902, Japan.
| | - Tomoya Ichino
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, N21-W10, Kita-ku, Sapporo, Hokkaido 001-0021, Japan
| | - Satoshi Maeda
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, N21-W10, Kita-ku, Sapporo, Hokkaido 001-0021, Japan
- Department of Chemistry, Faculty of Science, Hokkaido University, N10-W8, Kita-ku, Sapporo, Hokkaido 060-0810, Japan
| | - Taizo Yoshinaga
- Advanced Material Engineering Division, Toyota Motor Corporation, 1200, Mishuku, Susono, Shizuoka 410-1193, Japan
| | - Masahide Miura
- Advanced Material Engineering Division, Toyota Motor Corporation, 1200, Mishuku, Susono, Shizuoka 410-1193, Japan
| | - Takahiro Hayashi
- Advanced Material Engineering Division, Toyota Motor Corporation, 1200, Mishuku, Susono, Shizuoka 410-1193, Japan
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2
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Meizyte G, Brown RH, Brewer EI, Watson PD, Mackenzie SR. A Combined Infrared and Computational Study of Gas-Phase Mixed-Ligand Rhodium Complexes: Rh(CO) n(N 2O) m+ ( n = 1-5, m = 1-4). J Phys Chem A 2023; 127:9220-9228. [PMID: 37906705 PMCID: PMC10641848 DOI: 10.1021/acs.jpca.3c05078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 10/02/2023] [Accepted: 10/03/2023] [Indexed: 11/02/2023]
Abstract
In this study, mixed carbonyl and nitrous oxide complexes with Rh+ were studied by mass-selective infrared photodissociation spectroscopy in a molecular beam. The infrared spectra, recorded in the region of the CO and N2O N═N stretches, were assigned and interpreted with the aid of simulated spectra of low-energy structural isomers. Clear evidence of an inner coordination shell of four ligands is observed. The observed vibrational structure can be understood on the basis of local mode vibrations in the two ligands. However, there is also evidence of multiple low-lying isomers and cooperative binding effects between the two ligands. In particular, σ donation from directly coordinated nitrous oxide ligands drives more classical carbonyl bonding than has been observed in pure carbonyl complexes. The observed fragmentation branching ratios following resonant infrared absorption are explained by simple statistical and energetic arguments, providing a contrast with those of equivalent Au+ complexes.
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Affiliation(s)
- Gabriele Meizyte
- Department of Chemistry, University of Oxford, Physical and Theoretical Chemistry
Laboratory, South Parks Road, Oxford, United Kingdom, OX1 3QZ
| | - Rachael H. Brown
- Department of Chemistry, University of Oxford, Physical and Theoretical Chemistry
Laboratory, South Parks Road, Oxford, United Kingdom, OX1 3QZ
| | - Edward I. Brewer
- Department of Chemistry, University of Oxford, Physical and Theoretical Chemistry
Laboratory, South Parks Road, Oxford, United Kingdom, OX1 3QZ
| | - Peter D. Watson
- Department of Chemistry, University of Oxford, Physical and Theoretical Chemistry
Laboratory, South Parks Road, Oxford, United Kingdom, OX1 3QZ
| | - Stuart R. Mackenzie
- Department of Chemistry, University of Oxford, Physical and Theoretical Chemistry
Laboratory, South Parks Road, Oxford, United Kingdom, OX1 3QZ
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3
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Abstract
Isolated transition metal clusters have been established as useful models for extended metal surfaces or deposited metal particles, to improve the understanding of their surface chemistry and of catalytic reactions. For this objective, an important milestone has been the development of experimental methods for the size-specific structural characterization of clusters and cluster complexes in the gas phase. This review focusses on the characterization of molecular ligands, their binding and activation by small transition metal clusters, using cluster-size specific infrared action spectroscopy. A comprehensive overview and a critical discussion of the experimental data available to date is provided, reaching from the initial results obtained using line-tuneable CO2 lasers to present-day studies applying infrared free electron lasers as well as other intense and broadly tuneable IR laser sources.
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Affiliation(s)
- André Fielicke
- Fritz-Haber-Institut der Max-Planck-Gesellschaft, 14195 Berlin, Germany.
- Institut für Optik und Atomare Physik, Technische Universität Berlin, 10623 Berlin, Germany
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Tatsukawa K, Nagata T, Yamaguchi M, Miyajima K, Mafuné F. Reduction of Nitric Oxide Adsorbed on Iridium Cluster Cations at High Temperatures. Chem Phys Lett 2023. [DOI: 10.1016/j.cplett.2023.140368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
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5
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Meizyte G, Pearcy PAJ, Watson PD, Brewer EI, Green AE, Doll M, Duda OA, Mackenzie SR. An Infrared Study of Gas-Phase Metal Nitrosyl Ion-Molecule Complexes. J Phys Chem A 2022; 126:9414-9422. [PMID: 36480929 PMCID: PMC9791661 DOI: 10.1021/acs.jpca.2c07228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
We present a combined experimental and quantum chemical study of gas-phase group 9 metal nitrosyl complexes, M(NO)n+ (M = Co, Rh, Ir). Experimental infrared photodissociation spectra of mass-selected ion-molecule complexes are presented in the region 1600 cm-1 to 2000 cm-1 which includes the NO stretch. These are interpreted by comparison with the simulated spectra of energetically low-lying structures calculated using density functional theory. A mix of linear and nonlinear ligand binding is observed, often within the same complex, and clear evidence of coordination shell closing is observed at n = 4 for Co(NO)n+ and Ir(NO)n+. Calculations of Rh(NO)n+ complexes suggest additional low-lying five-coordinate structures. In all cases, once a second coordination shell is occupied, new spectral features appear which are assigned to (NO)2 dimer moieties. Further evidence of such motifs comes from differences in the spectra recorded in the dissociation channels corresponding to single and double ligand loss.
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6
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Yamaguchi M, Zhang Y, Lushchikova OV, Bakker JM, Mafuné F. NO Bond Cleavage on Gas-Phase Ir n+ Clusters Investigated by Infrared Multiple Photon Dissociation Spectroscopy. J Phys Chem A 2022; 126:6668-6677. [PMID: 36126291 DOI: 10.1021/acs.jpca.2c05029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The adsorption forms of NO on Irn+ (n = 3-6) clusters were investigated using infrared multiple photon dissociation (IRMPD) spectroscopy and density functional theory (DFT) calculations. Spectral features indicative both for molecular NO adsorption (the NO stretching vibration in the 1800-1900 cm-1 range) and for dissociative NO adsorption (the terminal Ir-O vibration around 940 cm-1) were observed, elucidating the co-existence of molecular and dissociative adsorption of NO. In all calculated structures for molecular adsorption, NO is adsorbed via the N atom on on-top sites. For dissociative adsorption, the O atom adsorbs exclusively on on-top sites (μ1) of the clusters, whereas the N atom is found on either a bridge (μ2) or a hollow (μ3) site. For Ir5+ and Ir6+, the N atom is also found on the on-top sites. The observed propensity for NO dissociation on Irn+ (n = 3-6) is higher than that for Rh6+, which can be explained by the higher metal-oxygen bond strengths for iridium.
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Affiliation(s)
- Masato Yamaguchi
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, Meguro-ku, Tokyo 153-8902, Japan
| | - Yufei Zhang
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, Meguro-ku, Tokyo 153-8902, Japan
| | - Olga V Lushchikova
- Radboud University, Institute for Molecules and Materials, FELIX Laboratory, Toernooiveld 7, 6525 ED Nijmegen, the Netherlands
| | - Joost M Bakker
- Radboud University, Institute for Molecules and Materials, FELIX Laboratory, Toernooiveld 7, 6525 ED Nijmegen, the Netherlands
| | - Fumitaka Mafuné
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, Meguro-ku, Tokyo 153-8902, Japan
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7
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Facio-Muñoz JG, Hernández-Velázquez DA, Guzmán-Ramírez G, Flores-Moreno R, Rodríguez-Zavala JG, Tenorio FJ. Electronic structure and reactivity indexes of cobalt clusters, both pure and mixed with NO and [Formula: see text] ([Formula: see text], [Formula: see text] and [Formula: see text]). J Mol Model 2022; 28:197. [PMID: 35729282 DOI: 10.1007/s00894-022-05165-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 05/19/2022] [Indexed: 11/26/2022]
Abstract
Among the most popular motivations for environmental scientists is improving materials that could be useful to fight or avoid pollution. This work shows a study of neutral and cationic cobalt clusters from 4 to 9 atoms ([Formula: see text], q = 0,1 and n = 4-9) to model their separate interaction with contaminant nitric and nitrous oxides. This study is within the framework of the density functional theory in the Kohn-Sham scheme by using BPW91 functional and 6-311G and 6-31G* basis sets to calculate global and local reactivity indexes. The effect of spin multiplicity is also determined. Results on the geometries of pure cobalt clusters agree with previously reported structures. Global minimum energy structures showed a marked preference towards the interaction of nitric and nitrous oxide molecules with cobalt clusters through chemisorptive dissociation, with the dissociation of the corresponding nitrogen oxide. Reactivity indexes reveal an even-odd alternate, which is related to electron counts. Moreover, the chemical potential is lowering after interaction with nitrogen oxides. The Fukui function illustrates the reactive zones with a high probability of chemisorption of more nitrogen oxide molecules.
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Affiliation(s)
- José Guadalupe Facio-Muñoz
- Departamento de Ciencias Exactas y Tecnología, Centro Universitario de los Lagos, Universidad de Guadalajara, Enrique Díaz de León 1144, Lagos de Moreno, 47460, Jalisco, México
| | - David Alejandro Hernández-Velázquez
- Departamento de Ciencias Exactas y Tecnología, Centro Universitario de los Lagos, Universidad de Guadalajara, Enrique Díaz de León 1144, Lagos de Moreno, 47460, Jalisco, México
| | - Gregorio Guzmán-Ramírez
- Departamento de Estudios del Agua y la Energía, Centro Universitario de Tonalá, Universidad de Guadalajara, Av. Nuevo Periférico 555, Ejido San José Tatepozco, Tonalá, 45825, Jalisco, México
| | - Roberto Flores-Moreno
- Departamento de Química, Centro Universitario de Ciencias Exactas e Ingenierías, Universidad de Guadalajara, Blvd. Marcelino García Barragan 1421, esq. Calzada Olímpica, Guadalajara, 44430, Jalisco, México
| | - J G Rodríguez-Zavala
- Departamento de Ciencias Exactas y Tecnología, Centro Universitario de los Lagos, Universidad de Guadalajara, Enrique Díaz de León 1144, Lagos de Moreno, 47460, Jalisco, México
| | - Francisco J Tenorio
- Departamento de Ciencias Exactas y Tecnología, Centro Universitario de los Lagos, Universidad de Guadalajara, Enrique Díaz de León 1144, Lagos de Moreno, 47460, Jalisco, México.
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8
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Abstract
The study of reactions relevant to heterogeneous catalysis on the surface of well-defined metal clusters with full control over the number of consituent atoms and elemental composition can lead to a detailed insight into the interactions between metal and reactants. We here review experimental and theoretical studies involving the adsorption of NO molecules on mostly rhodium-based clusters under near-thermal conditions in a molecular beam. We show how IR spectrosopic characterization can give information on the binding nature of NO to the clusters for at least the first three NO molecules. The complementary technique of thermal desorption spectrometry reveals at what temperatures multiple NO molecules on the cluster surface desorb or combine to form rhodium oxides followed by N2 elimination. Variation of the cluster elemental composition can be a powerful method to identify how the propensity of the critical first step of NO dissociation can be increased. The testing of such concepts with atomic detail can be of great help in guiding the choices in rational catalyst design. The study of reactions relevant to heterogeneous catalysis on metal clusters with full control over the number of constituent atoms and elemental composition can lead to a detailed insight into the interactions governing catalytic functionality.![]()
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Affiliation(s)
- Joost M Bakker
- Radboud University, Institute for Molecules and Materials, FELIX Laboratory, Toernooiveld 7, 6525 ED Nijmegen, The Netherlands.
| | - Fumitaka Mafuné
- Department of Basic Science, School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan.
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9
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Ehrhard AA, Klein MP, Mohrbach J, Dillinger S, Niedner-Schatteburg G. Cryo kinetics of N2 adsorption onto bimetallic rhodium–iron clusters in isolation. J Chem Phys 2022; 156:054308. [DOI: 10.1063/5.0075286] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Amelie A. Ehrhard
- Fachbereich Chemie and Forschungszentrum OPTIMAS, Technische Universität Kaiserslautern, 67663 Kaiserslautern, Germany
| | - Matthias P. Klein
- Fachbereich Chemie and Forschungszentrum OPTIMAS, Technische Universität Kaiserslautern, 67663 Kaiserslautern, Germany
| | - Jennifer Mohrbach
- Fachbereich Chemie and Forschungszentrum OPTIMAS, Technische Universität Kaiserslautern, 67663 Kaiserslautern, Germany
| | - Sebastian Dillinger
- Fachbereich Chemie and Forschungszentrum OPTIMAS, Technische Universität Kaiserslautern, 67663 Kaiserslautern, Germany
| | - Gereon Niedner-Schatteburg
- Fachbereich Chemie and Forschungszentrum OPTIMAS, Technische Universität Kaiserslautern, 67663 Kaiserslautern, Germany
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10
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Jia Y, Li J, Huang M, Geng L, Zhang H, Cheng SB, Yi Y, Luo Z. Ladder Oxygenation of Group VIII Metal Clusters and the Formation of Metalloxocubes M 13O 8. J Phys Chem Lett 2022; 13:733-739. [PMID: 35025527 DOI: 10.1021/acs.jpclett.1c04098] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The diversity of valence and bonding of transition metals makes their oxidation processes perplexing at reduced sizes. Here we report a comprehensive study on the oxidation reactions of rhodium clusters Rhn± (n = 3-30) and find that Rh3,4O4+, Rh5-7O6+, and Rh8-13O8+ always dominate the mass distributions showing size-dependent ladder oxygenation which is closely associated with the O-binding modes. While the Rh8-13O8+ clusters display a μ3-O binding mode (hollow site adsorption), Rh3-4O4+ and Rh5-7O6+ favor the μ2-O binding mode (edge-site adsorption) or a mixture of the two modes. The μ3-O binding mode is inclined to yield a cubic Rh13O8, while the μ2-O binding mode gives rise to oxygen-bridge protection for the metal clusters. Such ladder oxidation was also observed for Ptn+, Fen+, Con+, and Nin+ clusters. We propose a three-dimensional diagram for the oxidation states and O-binding modes of metals, and highlight the metalloxocubes M13O8+ for cluster-genetic materials.
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Affiliation(s)
- Yuhan Jia
- Beijing National Laboratory for Molecular Sciences (BNLMS), State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
- School of Chemical Science, University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Jun Li
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, P. R. China
| | - Miaofei Huang
- CAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Lijun Geng
- Beijing National Laboratory for Molecular Sciences (BNLMS), State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Hanyu Zhang
- Beijing National Laboratory for Molecular Sciences (BNLMS), State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Shi-Bo Cheng
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, P. R. China
| | - Yuanping Yi
- CAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Zhixun Luo
- Beijing National Laboratory for Molecular Sciences (BNLMS), State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
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11
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Zhang Y, Yamaguchi M, Kawada K, Kudoh S, Lushchikova OV, Bakker JM, Mafuné F. Adsorption Forms of NO on Iridium-Doped Rhodium Clusters in the Gas Phase Revealed by Infrared Multiple Photon Dissociation Spectroscopy. J Phys Chem A 2022; 126:36-43. [PMID: 34978823 DOI: 10.1021/acs.jpca.1c08628] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The adsorption of an NO molecule on a cationic iridium-doped rhodium cluster, Rh5Ir+, was investigated by infrared multiple photon dissociation spectroscopy (IRMPD) of Rh5IrNO+·Arp complexes in the 300-2000 cm-1 spectral range, where the Ar atoms acted as a messenger signaling IR absorption. Complementary density functional theory (DFT) calculations predicted two near-isoenergetic structures as the putative global minimum: one with NO adsorbed in molecular form in the on-top configuration on the Ir atom in Rh5Ir+, and one where NO is dissociated with the O atom bound to the Ir atom in the on-top configuration and the N atom on a hollow site formed by three Rh atoms. A comparison between the experimental IRMPD spectrum of Rh5IrNO+ and calculated spectra indicated that NO mainly adsorbs molecularly on Rh5Ir+, but evidence was also found for structures with dissociatively adsorbed NO. The estimated fraction of Rh5IrNO+ structures with dissociatively adsorbed NO is approximately 10%, which was higher than that found for Rh6+, but lower than that for Ir6+. The DFT calculations indicated the existence of an energy barrier in the NO dissociation pathway that is exothermic with respect to the reactants, which was considered to prevent NO from dissociating readily on Rh5Ir+. The height of the barrier is lower than that for NO dissociation over Rh6+, which is attributed to the higher binding energy of atomic O to the Ir atom in Rh5Ir+ than to a Rh atom in Rh6+.
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Affiliation(s)
- Yufei Zhang
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, Meguro-ku, Tokyo 153-8902, Japan
| | - Masato Yamaguchi
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, Meguro-ku, Tokyo 153-8902, Japan
| | - Kimihiro Kawada
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, Meguro-ku, Tokyo 153-8902, Japan
| | - Satoshi Kudoh
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, Meguro-ku, Tokyo 153-8902, Japan
| | - Olga V Lushchikova
- Radboud University, Institute for Molecules and Materials, FELIX laboratory, Toernooiveld 7, 6525 ED Nijmegen, Netherlands
| | - Joost M Bakker
- Radboud University, Institute for Molecules and Materials, FELIX laboratory, Toernooiveld 7, 6525 ED Nijmegen, Netherlands
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12
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Chen X, Miyajima K, Mafuné F. Newly-Developed Alternate On–Off Gas Injection Method for Investigation of Reduction of Gas-Phase Cobalt Oxide Clusters by CO at High Temperature. Chem Phys Lett 2022. [DOI: 10.1016/j.cplett.2022.139418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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13
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Nagata T, Kawada K, Chen X, Yamaguchi M, Miyajima K, Mafuné F. Decomposition of nitric oxide by rhodium cluster cations at high temperatures. Phys Chem Chem Phys 2021; 23:26721-26728. [PMID: 34842875 DOI: 10.1039/d1cp04633k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Decomposition reactions of NO molecules on gas-phase Rhn+ (n = 6-9) clusters were investigated by gas-phase thermal desorption spectrometry and density functional theory calculations. We found that NO adsorbs on the clusters, forming RhnNxOx+ at room temperature. Upon heating, NO desorption was observed below 800 K. Above 800 K, while for n = 7 and 8, each of Rh7N3O3+, Rh7N4O4+, and Rh8N3O3+ was found to release an N2 molecule, no N2 formation was clearly observed for Rh6,9NxOy+. We considered that both Rh7N3O3+ and Rh8N3O3+ have at least two dissociated NO molecules, while Rh6NxOx+ (x = 1-3) has one or less. Our computational results for Rh8N3O3+ suggested that the formation of an N-N bond in the Rh8N3O3+ structure must overcome an energy barrier of ∼2 eV, which is the highest among the suggested possible reaction pathways. These findings suggested that the size-dependent activity of NO decomposition is governed primarily by how NO molecules are adsorbed on Rhn+ clusters, i.e. whether two or more N atoms from dissociated NO molecules exist in the NO adsorbed clusters, and secondly, by the readiness of the N-N bond formation.
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Affiliation(s)
- Toshiaki Nagata
- Department of Basic Science, School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan.
| | - Kimihiro Kawada
- Department of Basic Science, School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan.
| | - Xuemei Chen
- Department of Basic Science, School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan.
| | - Masato Yamaguchi
- Department of Basic Science, School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan.
| | - Ken Miyajima
- Department of Basic Science, School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan.
| | - Fumitaka Mafuné
- Department of Basic Science, School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan.
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14
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Arakawa M, Horioka M, Minamikawa K, Kawano T, Terasaki A. Reaction of nitric oxide molecules on transition-metal-doped silver cluster cations: size- and dopant-dependent reaction pathways. Phys Chem Chem Phys 2021; 23:22947-22956. [PMID: 34622905 DOI: 10.1039/d1cp02882k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report size- and dopant-dependent reaction pathways as well as reactivity of gas-phase free AgnM+ (M = Sc-Ni) clusters interacting with NO. The reactivity of AgnM+, except for M = Cr and Mn, exhibits a minimum at a specific size, where the cluster cation possesses 18 or 20 valence electrons consisting of Ag 5s and dopant's 3d and 4s. The product ions range from NO adducts, AgnM(NO)m+, and oxygen adducts, AgnMOm+, to NO2 adducts, AgnM(NO2)m+. At small sizes, AgnMOm+ are the major products for M = Sc-V, whereas AgnM(NO)m+ dominate the products for M = Cr-Ni in striking contrast. In both cases, these reaction products are reminiscent of those from an atomic transition metal. However, the reaction pathways are different at least for M = Sc and Ti; kinetics measurements reveal that the present oxygen adducts are formed via NO adducts, while, for example, Ti+ is known to produce TiO+ directly by reaction with a single NO molecule. At larger sizes, on the other hand, AgnM(NO2)m+ are dominantly produced regardless of the dopant element because the dopant atom is encapsulated by the Ag host; the NO2 formation on the cluster is similar to that reported for undoped Agn+.
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Affiliation(s)
- Masashi Arakawa
- Department of Chemistry, Faculty of Science, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan.
| | - Masataka Horioka
- Department of Chemistry, Faculty of Science, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan.
| | - Kento Minamikawa
- Department of Chemistry, Faculty of Science, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan.
| | - Tomoki Kawano
- Department of Chemistry, Faculty of Science, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan.
| | - Akira Terasaki
- Department of Chemistry, Faculty of Science, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan.
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15
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Abstract
Due to the extraordinary catalytic activity in redox reactions, the noble metal, rhodium, has substantial industrial and laboratory applications in the production of value-added chemicals, synthesis of biomedicine, removal of automotive exhaust gas, and so on. The main drawback of rhodium catalysts is its high-cost, so it is of great importance to maximize the atomic efficiency of the precious metal by recognizing the structure-activity relationship of catalytically active sites and clarifying the root cause of the exceptional performance. This Perspective concerns the significant progress on the fundamental understanding of rhodium chemistry at a strictly molecular level by the joint experimental and computational study of the reactivity of isolated Rh-based gas phase clusters that can serve as ideal models for the active sites of condensed-phase catalysts. The substrates cover the important organic and inorganic molecules including CH4, CO, NO, N2, and H2. The electronic origin for the reactivity evolution of bare Rhx q clusters as a function of size is revealed. The doping effect and support effect as well as the synergistic effect among heteroatoms on the reactivity and product selectivity of Rh-containing species are discussed. The ingenious employment of diverse experimental techniques to assist the Rh1- and Rh2-doped clusters in catalyzing the challenging endothermic reactions is also emphasized. It turns out that the chemical behavior of Rh identified from the gas phase cluster study parallels the performance of condensed-phase rhodium catalysts. The mechanistic aspects derived from Rh-based cluster systems may provide new clues for the design of better performing rhodium catalysts including the single Rh atom catalysts.
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Affiliation(s)
- Yan-Xia Zhao
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
| | - Xi-Guan Zhao
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
| | - Yuan Yang
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
| | - Man Ruan
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
| | - Sheng-Gui He
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
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16
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Guo X, Duan H, Cao B, Lu S, Long M, Chen F, Abliz A, Wu Z, Jing Q, Miao Z, Chen X. Adsorption of small molecules on transition metal doped rhodium clusters Rh 3X (X = 3 d, 4 d atom): a first-principles investigation. Mol Phys 2020. [DOI: 10.1080/00268976.2020.1746424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Xiaolin Guo
- School of Physical Science and Technology, Xinjiang University, Urumqi, People’s Republic of China
| | - Haiming Duan
- School of Physical Science and Technology, Xinjiang University, Urumqi, People’s Republic of China
| | - Biaobing Cao
- School of Physical Science and Technology, Xinjiang University, Urumqi, People’s Republic of China
| | - Shuwei Lu
- School of Physical Science and Technology, Xinjiang University, Urumqi, People’s Republic of China
| | - Mengqiu Long
- School of Physical Science and Technology, Xinjiang University, Urumqi, People’s Republic of China
- Hunan Key laboratory of Super Micro-structure and Ultrafast Process, Central South University, Changsha, People’s Republic of China
| | - Fengjuan Chen
- School of Physical Science and Technology, Xinjiang University, Urumqi, People’s Republic of China
| | - Ablat Abliz
- School of Physical Science and Technology, Xinjiang University, Urumqi, People’s Republic of China
| | - Zhaofeng Wu
- School of Physical Science and Technology, Xinjiang University, Urumqi, People’s Republic of China
| | - Qun Jing
- School of Physical Science and Technology, Xinjiang University, Urumqi, People’s Republic of China
| | - Zhenzhen Miao
- School of Physical Science and Technology, Xinjiang University, Urumqi, People’s Republic of China
| | - Xuan Chen
- School of Physical Science and Technology, Xinjiang University, Urumqi, People’s Republic of China
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17
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Li J, Geng C, Weiske T, Schwarz H. On the Crucial Role of Isolated Electronic States in the Thermal Reaction of ReC + with Dihydrogen. Angew Chem Int Ed Engl 2020; 59:9370-9376. [PMID: 32181571 PMCID: PMC7317438 DOI: 10.1002/anie.202001599] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Indexed: 01/19/2023]
Abstract
Presented here is that isolated, long‐lived electronic states of ReC+ serve as the root cause for distinctly different reactivities of this diatomic ion in the thermal activation of dihydrogen. Detailed high‐level quantum chemical calculations support the experimental findings obtained in the highly diluted gas phase using FT‐ICR mass spectrometry. The origin for the existence of these long‐lived excited electronic states and the resulting implications for the varying mechanisms of dihydrogen splitting are addressed.
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Affiliation(s)
- Jilai Li
- Institut für Chemie, Technische Universität Berlin, Straße des 17. Juni 115, 10623, Berlin, Germany.,Institute of Theoretical Chemistry, Jilin University, 130023, Changchun, China
| | - Caiyun Geng
- Institut für Chemie, Technische Universität Berlin, Straße des 17. Juni 115, 10623, Berlin, Germany
| | - Thomas Weiske
- Institut für Chemie, Technische Universität Berlin, Straße des 17. Juni 115, 10623, Berlin, Germany
| | - Helmut Schwarz
- Institut für Chemie, Technische Universität Berlin, Straße des 17. Juni 115, 10623, Berlin, Germany
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18
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Li J, Geng C, Weiske T, Schwarz H. On the Crucial Role of Isolated Electronic States in the Thermal Reaction of ReC
+
with Dihydrogen. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202001599] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Jilai Li
- Institut für ChemieTechnische Universität Berlin Straße des 17. Juni 115 10623 Berlin Germany
- Institute of Theoretical ChemistryJilin University 130023 Changchun China
| | - Caiyun Geng
- Institut für ChemieTechnische Universität Berlin Straße des 17. Juni 115 10623 Berlin Germany
| | - Thomas Weiske
- Institut für ChemieTechnische Universität Berlin Straße des 17. Juni 115 10623 Berlin Germany
| | - Helmut Schwarz
- Institut für ChemieTechnische Universität Berlin Straße des 17. Juni 115 10623 Berlin Germany
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19
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Koyasu K, Tomihara R, Nagata T, Wu JWJ, Nakano M, Ohshimo K, Misaizu F, Tsukuda T. Sequential growth of iridium cluster anions based on simple cubic packing. Phys Chem Chem Phys 2020; 22:17842-17846. [DOI: 10.1039/d0cp03122d] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Ion mobility measurements and DFT calculations revealed cubic growth of Irn− in contrast to fcc structures in bulk and nanoparticles.
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Affiliation(s)
- Kiichirou Koyasu
- Department of Chemistry, Graduate School of Science
- The University of Tokyo, 7-3-1 Hongo
- Tokyo 113-0033
- Japan
- Elements Strategy Initiative for Catalysts & Batteries (ESICB)
| | - Ryohei Tomihara
- Department of Chemistry, Graduate School of Science
- The University of Tokyo, 7-3-1 Hongo
- Tokyo 113-0033
- Japan
| | - Toshiaki Nagata
- Department of Chemistry
- Graduate School of Science
- Tohoku University
- Sendai 980-8578
- Japan
| | - Jenna W. J. Wu
- Department of Chemistry
- Graduate School of Science
- Tohoku University
- Sendai 980-8578
- Japan
| | - Motoyoshi Nakano
- Department of Chemistry
- Graduate School of Science
- Tohoku University
- Sendai 980-8578
- Japan
| | - Keijiro Ohshimo
- Department of Chemistry
- Graduate School of Science
- Tohoku University
- Sendai 980-8578
- Japan
| | - Fuminori Misaizu
- Department of Chemistry
- Graduate School of Science
- Tohoku University
- Sendai 980-8578
- Japan
| | - Tatsuya Tsukuda
- Department of Chemistry, Graduate School of Science
- The University of Tokyo, 7-3-1 Hongo
- Tokyo 113-0033
- Japan
- Elements Strategy Initiative for Catalysts & Batteries (ESICB)
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20
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Cunningham EM, Gentleman AS, Beardsmore PW, Mackenzie SR. Structural isomers and low-lying electronic states of gas-phase M+(N2O)n (M = Co, Rh, Ir) ion–molecule complexes. Phys Chem Chem Phys 2019; 21:13959-13967. [DOI: 10.1039/c8cp05995k] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The structures of gas-phase group nine cation–nitrous oxide metal–ligand complexes, M+(N2O)n (M = Co, Rh, Ir; n = 2–7) have been determined by a combination of infrared photodissociation spectroscopy and density functional theory.
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Affiliation(s)
- Ethan M. Cunningham
- Department of Chemistry
- University of Oxford
- Physical and Theoretical Chemistry Laboratory
- Oxford
- UK
| | - Alexander S. Gentleman
- Department of Chemistry
- University of Oxford
- Physical and Theoretical Chemistry Laboratory
- Oxford
- UK
| | - Peter W. Beardsmore
- Department of Chemistry
- University of Oxford
- Physical and Theoretical Chemistry Laboratory
- Oxford
- UK
| | - Stuart R. Mackenzie
- Department of Chemistry
- University of Oxford
- Physical and Theoretical Chemistry Laboratory
- Oxford
- UK
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21
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Dutta A, Mondal P. Density functional studies on structural, electronic and magnetic properties of Rhn (n = 9–20) clusters and O–H bond of methanol activation by pure and ruthenium-doped rhodium clusters. Theor Chem Acc 2018. [DOI: 10.1007/s00214-018-2399-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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22
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Dutta A, Mondal P. A density functional study on the electronic structure, nature of bonding and reactivity of NO adsorbing Rh0/±n ( n = 2–8) clusters. NEW J CHEM 2018. [DOI: 10.1039/c7nj04166g] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Systematic investigations on lowest energy NO adsorbing neutral and ionic Rhn (n = 2–8) clusters in the gas phase are executed with an all electron relativistic method using density functional theory (DFT) within the generalized gradient approximation.
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Affiliation(s)
- Abhijit Dutta
- Department of Chemistry, Assam University
- Silchar 788011
- India
| | - Paritosh Mondal
- Department of Chemistry, Assam University
- Silchar 788011
- India
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23
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Klein MP, Ehrhard AA, Mohrbach J, Dillinger S, Niedner-Schatteburg G. Infrared Spectroscopic Investigation of Structures and N2 Adsorption Induced Relaxations of Isolated Rhodium Clusters. Top Catal 2017. [DOI: 10.1007/s11244-017-0865-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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24
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25
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Abstract
Reactions of pure and doped rhodium cluster cations, RhnX+ (n = 2-6; X = Al, V, Co, Rh), with NO molecules were investigated at near-thermal energy using a guided ion beam tandem mass spectrometer. We found that the doping with Al and V increases the total reaction cross section mostly. Under single-collision conditions, Rh2X+ reacts with NO to produce Rh2N+ with release of metal monoxide, XO, whereas RhnX+ (n = 3-6) adsorb NO. For the specific clusters RhnAl+ (n = 3 and 4) and RhnV+ (n = 4-6), the NO adsorption is often accompanied by the release of one Rh atom. In addition, we examined the reactions of Rh5X+ (X = Al, V, Co, Rh) with NO under multiple-collision conditions and observed the cluster dioxide formation and the N2 release, i.e., NO decomposition. Particularly, the V-doping is most effective for the NO decomposition. One possible explanation for the present results is that the formation of a stable dopant metal-oxygen bond directly leads to the increase of NO dissociative adsorption energy and the reduction of the energy barrier between the molecular and dissociative adsorption, thereby encouraging the NO decomposition on the small RhnX+ clusters studied.
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Affiliation(s)
- Shinichi Hirabayashi
- East Tokyo Laboratory, Genesis Research Institute, Inc. , 717-86 Futamata, Ichikawa, Chiba 272-0001, Japan
| | - Masahiko Ichihashi
- Cluster Research Laboratory, Toyota Technological Institute: in East Tokyo Laboratory, Genesis Research Institute, Inc. , 717-86 Futamata, Ichikawa, Chiba 272-0001, Japan
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26
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Koyama K, Nagata T, Kudoh S, Miyajima K, Huitema DMM, Chernyy V, Bakker JM, Mafuné F. Geometrical Structures of Partially Oxidized Rhodium Cluster Cations, Rh6Om+ (m = 4, 5, 6), Revealed by Infrared Multiple Photon Dissociation Spectroscopy. J Phys Chem A 2016; 120:8599-8605. [DOI: 10.1021/acs.jpca.6b08822] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Kohei Koyama
- Department
of Basic Science, School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
| | - Toshiaki Nagata
- Department
of Basic Science, School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
| | - Satoshi Kudoh
- Department
of Basic Science, School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
| | - Ken Miyajima
- Department
of Basic Science, School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
| | - Douwe M. M. Huitema
- FELIX
Laboratory, Institute for Molecules and Materials, Radboud University, Toernooiveld 7c, 6525 ED Nijmegen, The Netherlands
| | - Valeriy Chernyy
- FELIX
Laboratory, Institute for Molecules and Materials, Radboud University, Toernooiveld 7c, 6525 ED Nijmegen, The Netherlands
| | - Joost M. Bakker
- FELIX
Laboratory, Institute for Molecules and Materials, Radboud University, Toernooiveld 7c, 6525 ED Nijmegen, The Netherlands
| | - Fumitaka Mafuné
- Department
of Basic Science, School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
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27
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Mafuné F, Tawaraya Y, Kudoh S. Nitrogen Molecule Adsorption on Cationic Tantalum Clusters and Rhodium Clusters and Desorption from Their Nitride Clusters Studied by Thermal Desorption Spectrometry. J Phys Chem A 2016; 120:4089-95. [DOI: 10.1021/acs.jpca.6b03479] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Fumitaka Mafuné
- Department of
Basic Science, School of Arts
and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
| | - Yuki Tawaraya
- Department of
Basic Science, School of Arts
and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
| | - Satoshi Kudoh
- Department of
Basic Science, School of Arts
and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
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28
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Yeh CH, Ho JJ. Density Functional Theory Calculation on the Dissociation Mechanism of Nitric Oxide Catalyzed by Cu4Cluster in ZSM-5 (Cu4-ZSM-5) and Bimetal Cu3Fe in ZSM-5 (Cu3Fe-ZSM-5). J CHIN CHEM SOC-TAIP 2016. [DOI: 10.1002/jccs.201500318] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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29
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Affiliation(s)
- Fumitaka Mafuné
- Department of Basic Science,
School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
| | - Yuki Tawaraya
- Department of Basic Science,
School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
| | - Satoshi Kudoh
- Department of Basic Science,
School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
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30
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Affiliation(s)
- Fumitaka Mafuné
- Department of Basic Science,
School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
| | - Masato Takenouchi
- Department of Basic Science,
School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
| | - Ken Miyajima
- Department of Basic Science,
School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
| | - Satoshi Kudoh
- Department of Basic Science,
School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
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31
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Yang HQ, Fu HQ, Su BF, Xiang B, Xu QQ, Hu CW. Theoretical Study on the Catalytic Reduction Mechanism of NO by CO on Tetrahedral Rh4 Subnanocluster. J Phys Chem A 2015; 119:11548-64. [DOI: 10.1021/acs.jpca.5b07713] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Hua-Qing Yang
- College of Chemical Engineering and ‡Key Laboratory of Green Chemistry
and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610065, People’s Republic of China
| | - Hong-Quan Fu
- College of Chemical Engineering and ‡Key Laboratory of Green Chemistry
and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610065, People’s Republic of China
| | - Ben-Fang Su
- College of Chemical Engineering and ‡Key Laboratory of Green Chemistry
and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610065, People’s Republic of China
| | - Bo Xiang
- College of Chemical Engineering and ‡Key Laboratory of Green Chemistry
and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610065, People’s Republic of China
| | - Qian-Qian Xu
- College of Chemical Engineering and ‡Key Laboratory of Green Chemistry
and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610065, People’s Republic of China
| | - Chang-Wei Hu
- College of Chemical Engineering and ‡Key Laboratory of Green Chemistry
and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610065, People’s Republic of China
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32
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Koyama K, Kudoh S, Miyajima K, Mafuné F. Thermal Desorption Spectroscopy Study of the Adsorption and Reduction of NO by Cobalt Cluster Ions under Thermal Equilibrium Conditions at 300 K. J Phys Chem A 2015; 119:9573-80. [DOI: 10.1021/acs.jpca.5b05320] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Kohei Koyama
- Department of Basic Science,
School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
| | - Satoshi Kudoh
- Department of Basic Science,
School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
| | - Ken Miyajima
- Department of Basic Science,
School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
| | - Fumitaka Mafuné
- Department of Basic Science,
School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
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33
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Francisco H, Bertin V, Agacino E, Poulain E, Castro M. Dissociation of N2O promoted by Rh6 clusters. A ZORA/DFT/PBE study. ACTA ACUST UNITED AC 2015; 406:238-50. [DOI: 10.1016/j.molcata.2015.06.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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34
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Abstract
Aluminum-doped copper cluster cations, CunAl(+), were produced via an ion sputtering method and analyzed by mass spectrometry. The measured size distributions show that Cu6Al(+) and Cu18Al(+) are highly stable species, which can be understood in terms of the electronic subshell 1P and 2S closings, respectively. Furthermore, the reactions of size-selected CunAl(+) (n = 4-6 and 8-16) with NO and O2 were studied at near thermal energies by using a tandem-type mass spectrometer. The doping of an Al atom improves the reactivity of the clusters toward NO in particular for n = 9, 11, 13, and 15, whereas it does not change the reactivity toward O2 significantly. Consequently, it was found that CunAl(+) (n = 9, 11, 13 and 15) are more reactive toward NO than toward O2. The high reactivity of Cu9Al(+) toward NO compared to that of Cu10(+) is explained in terms of the increase of the adsorption energy and the lowering of the barrier to dissociative adsorption, with the aid of calculations based on density functional theory. Moreover, the multiple-collision reactions of CunAl(+) (n = 9, 11, and 13) with NO result in the production of cluster dioxides, Cun-3AlO2(+), (i.e., release of N2), which clearly indicates that NO decomposition proceeds on these clusters.
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Affiliation(s)
- Shinichi Hirabayashi
- †East Tokyo Laboratory, Genesis Research Institute, Inc., 717-86 Futamata, Ichikawa, Chiba 272-0001, Japan
| | - Masahiko Ichihashi
- ‡Cluster Research Laboratory, Toyota Technological Institute: in East Tokyo Laboratory, Genesis Research Institute, Inc., 717-86 Futamata, Ichikawa, Chiba 272-0001, Japan
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35
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Tawaraya Y, Kudoh S, Miyajima K, Mafuné F. Thermal Desorption and Reaction of NO Adsorbed on Rhodium Cluster Ions Studied by Thermal Desorption Spectroscopy. J Phys Chem A 2015; 119:8461-8. [DOI: 10.1021/acs.jpca.5b04224] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yuki Tawaraya
- Department of Basic Science,
School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
| | - Satoshi Kudoh
- Department of Basic Science,
School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
| | - Ken Miyajima
- Department of Basic Science,
School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
| | - Fumitaka Mafuné
- Department of Basic Science,
School of Arts and Sciences, The University of Tokyo, Komaba, Meguro, Tokyo 153-8902, Japan
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36
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Abstract
An extensive study was conducted to explore the catalytic reduction of NO by CO on Rh4+ clusters at the ground and first excited states at the B3LYP/6-311+G(2d), SDD level.
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Affiliation(s)
- Ben-Fang Su
- College of Chemical Engineering
- Sichuan University
- Chengdu
- PR China
| | - Hong-Quan Fu
- College of Chemical Engineering
- Sichuan University
- Chengdu
- PR China
| | - Hua-Qing Yang
- College of Chemical Engineering
- Sichuan University
- Chengdu
- PR China
| | - Chang-Wei Hu
- Key Laboratory of Green Chemistry and Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu
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37
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Parry IS, Kartouzian A, Hamilton SM, Balaj OP, Beyer MK, Mackenzie SR. Chemical Reactivity on Gas-Phase Metal Clusters Driven by Blackbody Infrared Radiation. Angew Chem Int Ed Engl 2014; 54:1357-60. [DOI: 10.1002/anie.201409483] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2014] [Revised: 11/05/2014] [Indexed: 12/27/2022]
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38
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Parry IS, Kartouzian A, Hamilton SM, Balaj OP, Beyer MK, Mackenzie SR. Durch Schwarzkörperstrahlung angetriebene chemische Reaktivität auf Metallclustern in der Gasphase. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201409483] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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39
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Affiliation(s)
- Michael J. Lecours
- Department of Chemistry, University of Waterloo, 200 University Avenue West, Waterloo, ON N2L 3G1, Canada
| | - W. C. Theodore Chow
- Department of Chemistry, University of Waterloo, 200 University Avenue West, Waterloo, ON N2L 3G1, Canada
| | - W. Scott Hopkins
- Department of Chemistry, University of Waterloo, 200 University Avenue West, Waterloo, ON N2L 3G1, Canada
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40
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Hirabayashi S, Ichihashi M. Reactions of size-selected copper cluster cations and anions with nitric oxide: enhancement of adsorption in coadsorption with oxygen. J Phys Chem A 2014; 118:1761-8. [PMID: 24580079 DOI: 10.1021/jp410059e] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Reactions of size-selected Cu(n)(±) and Cu(n)O(m)(±) (n = 3-19, m ≤ 9) clusters with NO were investigated in the near-thermal energy region under single collision conditions using a tandem-type mass spectrometer with two ion-guided cells. Oxygen atoms preadsorbed on the cluster can significantly enhance the NO adsorption probability and cause additional reactions. NO adsorption is observed particularly for anionic copper cluster dioxides, Cu(n)O2(-) (n ≥ 8), followed by the release of a Cu atom from Cu(n)O2(-) (n = 8, 10, and 12), which suggests that NO adsorbs strongly, i.e., dissociatively on these clusters. Density functional theory calculations support that dissociative adsorption of NO occurs in the reaction of Cu8O2(-) under the present experimental conditions. On the other hand, NO oxidation proceeds in reactions of oxygen-rich cluster cations such as Cu4O3(+), Cu6O5(+), Cu9O7(+), and Cu11O8(+).
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Affiliation(s)
- Shinichi Hirabayashi
- East Tokyo Laboratory, Genesis Research Institute, Inc. , 717-86 Futamata, Ichikawa, Chiba 272-0001, Japan
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Harding DJ, Fielicke A. Platinum Group Metal Clusters: From Gas-Phase Structures and Reactivities towards Model Catalysts. Chemistry 2014; 20:3258-67. [DOI: 10.1002/chem.201304586] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Parry IS, Kartouzian A, Hamilton SM, Balaj OP, Beyer MK, Mackenzie SR. Collisional Activation of N2O Decomposition and CO Oxidation Reactions on Isolated Rhodium Clusters. J Phys Chem A 2013; 117:8855-63. [DOI: 10.1021/jp405267p] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Imogen S. Parry
- Department
of Chemistry, University of Oxford, Physical and Theoretical Chemistry Laboratory, Oxford OX1 3QZ, United Kingdom
| | - Aras Kartouzian
- Department
of Chemistry, University of Oxford, Physical and Theoretical Chemistry Laboratory, Oxford OX1 3QZ, United Kingdom
| | - Suzanne M. Hamilton
- Department
of Chemistry, University of Oxford, Physical and Theoretical Chemistry Laboratory, Oxford OX1 3QZ, United Kingdom
| | - O. Petru Balaj
- Institut
für Physikalische Chemie, Christian-Albrechts-Universität zu Kiel, Olshausenstr. 40, 24098 Kiel, Germany
| | - Martin K. Beyer
- Institut
für Physikalische Chemie, Christian-Albrechts-Universität zu Kiel, Olshausenstr. 40, 24098 Kiel, Germany
| | - Stuart R. Mackenzie
- Department
of Chemistry, University of Oxford, Physical and Theoretical Chemistry Laboratory, Oxford OX1 3QZ, United Kingdom
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Lang SM, Fleischer I, Bernhardt TM, Barnett RN, Landman U. Pd6O4+: An Oxidation Resistant yet Highly Catalytically Active Nano-oxide Cluster. J Am Chem Soc 2012; 134:20654-9. [DOI: 10.1021/ja308189w] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Samdra M. Lang
- Institute of Surface Chemistry
and Catalysis, University of Ulm, Albert-Einstein-Allee
47, 89069 Ulm, Germany
| | - Irene Fleischer
- Institute of Surface Chemistry
and Catalysis, University of Ulm, Albert-Einstein-Allee
47, 89069 Ulm, Germany
| | - Thorsten M. Bernhardt
- Institute of Surface Chemistry
and Catalysis, University of Ulm, Albert-Einstein-Allee
47, 89069 Ulm, Germany
| | - Robert N. Barnett
- School of Physics, Georgia Institute of Technology, Atlanta, Georgia 30332-0430,
United States
| | - Uzi Landman
- School of Physics, Georgia Institute of Technology, Atlanta, Georgia 30332-0430,
United States
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Reveles JU, Köster AM, Calaminici P, Khanna SN. Structural changes of Pd13 upon charging and oxidation/reduction. J Chem Phys 2012; 136:114505. [DOI: 10.1063/1.3692612] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
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Romo-Ávila SL, Guirado-López RA. Adsorption of Nitric Oxide on Small Rhn± Clusters: Role of the Local Atomic Environment on the Dissociation of the N–O Bond. J Phys Chem A 2012; 116:1059-68. [DOI: 10.1021/jp208847r] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- S. L. Romo-Ávila
- Facultad de Ciencias, Universidad Autónoma de San Luis Potosí, Lateral Av. Salvador Nava s/n, 78290, San Luis Potosí, México
| | - R. A. Guirado-López
- Instituto de Física “Manuel Sandoval Vallarta”, Universidad Autónoma de San Luis Potośi, Alvaro Obregón 64, 78000, San Luis Potosí, México
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Yamada A, Miyajima K, Mafuné F. Catalytic reactions on neutral Rh oxide clusters more efficient than on neutral Rh clusters. Phys Chem Chem Phys 2012; 14:4188-95. [DOI: 10.1039/c2cp24036j] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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47
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Xie H, Ren M, Lei Q, Fang W. Nitric oxide adsorption and reduction reaction mechanism on the Rh7(+) cluster: a density functional theory study. J Phys Chem A 2011; 115:14203-8. [PMID: 22029266 DOI: 10.1021/jp2044652] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The transition metal rhodium has been proved the effective catalyst to convert from NO(x) to N(2.) In the present work, we are mainly focused on the NO adsorption and decomposition reaction mechanism on the surface of the Rh(7)(+) cluster, and the calculated results suggest that the reaction can proceed via three steps. First, the NO can adsorb on the surface of the Rh(7)(+) cluster; second, the NO decomposes to N and O atoms; finally, the N atom reacts with the second adsorbed NO and reduces to a N(2) molecule. The N-O bond breaks to yield N and O atoms in the second step, which is the rate-limiting step of the whole catalytic cycle. This step goes over a relatively high barrier (TS(12)) of 39.6 kcal/mol and is strongly driven by a large exothermicity of 55.1 kcal/mol during the formation of stable compound 3, accompanied by the N and O atoms dispersed on the different Rh atoms of the Rh(7)(+) cluster. In addition, the last step is very complex due to the different possibilities of reaction mechanism. On the basis of the calculations, in contrast to the reaction path II that generates N(2) from two nitrogen atoms coupling, the reaction path I for the formation of intermediate N(2)O is found to be energetically more favorable. Present work would provide some valuable fundamental insights into the behavior of the nitric oxide adsorption and reduction reaction mechanism on the Rh(7)(+) cluster.
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Affiliation(s)
- Hujun Xie
- Department of Applied Chemistry, Zhejiang Gongshang University, Hangzhou, China.
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Abstract
The adsorption of nitrogen monoxide NO with charged and neutral [Formula: see text] clusters at atop, bridge, and threefold hollow sites had been investigated by density functional theory calculations. The results showed that rhodium clusters had strong orbital interactions with NO and formed the complex [ Rh n NO ]-/0/+. The stretching vibrational frequencies of the N–O bonds changed with the different adsorption sites and clusters sizes. The interactions between rhodium clusters and NO molecular could be described through the donation and back-donation of their frontier orbitals. The more back donation from Rh to NO , the weaker the N–O bonds, exhibiting that the lengthening of the N–O bond length and the lowering of its vibrational frequency. In general, the donation and back-donation interactions followed the tendencies: anionic > neutral > cationic, big size > small size, threefold hollow site > bridge site > atop site.
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Affiliation(s)
- JIAN CHEN
- State Key Laboratory for Physical Chemistry of Solid Surfaces and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - KAI TAN
- State Key Laboratory for Physical Chemistry of Solid Surfaces and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - MENG-HAI LIN
- State Key Laboratory for Physical Chemistry of Solid Surfaces and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
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50
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Hamilton SM, Hopkins WS, Harding DJ, Walsh TR, Haertelt M, Kerpal C, Gruene P, Meijer G, Fielicke A, Mackenzie SR. Infrared-Induced Reactivity of N2O on Small Gas-Phase Rhodium Clusters. J Phys Chem A 2011; 115:2489-97. [DOI: 10.1021/jp201171p] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Suzanne M. Hamilton
- Department of Chemistry, Physical and Theoretical Chemistry Laboratory, University of Oxford, South Parks Road, Oxford, OX1 3QZ, U.K
| | - W. Scott Hopkins
- Department of Chemistry, Physical and Theoretical Chemistry Laboratory, University of Oxford, South Parks Road, Oxford, OX1 3QZ, U.K
| | - Dan J. Harding
- Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, D-14195 Berlin, Germany
| | - Tiffany R. Walsh
- Department of Chemistry, University of Warwick, Coventry, CV4 7AL, U.K
- Centre for Scientific Computing, University of Warwick, Coventry, CV4 7AL, U.K
| | - Marko Haertelt
- Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, D-14195 Berlin, Germany
| | - Christian Kerpal
- Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, D-14195 Berlin, Germany
| | - Philipp Gruene
- Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, D-14195 Berlin, Germany
| | - Gerard Meijer
- Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, D-14195 Berlin, Germany
| | - André Fielicke
- Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, D-14195 Berlin, Germany
| | - Stuart R. Mackenzie
- Department of Chemistry, Physical and Theoretical Chemistry Laboratory, University of Oxford, South Parks Road, Oxford, OX1 3QZ, U.K
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