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Grygoryeva K, Rakovský J, Votava O, Fárník M. Long time scale dynamics of vibrationally excited (HBr) n clusters. J Chem Phys 2018; 149:094303. [PMID: 30195297 DOI: 10.1063/1.5034245] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
We investigated the photodissociation dynamics of vibrationally excited HBr molecules and clusters. The species were generated in a molecular beam and excited with an IR laser to a v = 1 vibrational state. A subsequent ultraviolet (UV)-pulse with 243 nm radiation photolysed the molecules to yield H-fragments, which were resonantly ionized by the same UV-pulse (2 + 1 REMPI) and detected in a velocity map imaging (VMI) experiment. We performed action spectroscopy to distinguish between two expansion regimes: (i) expansion leading to isolated HBr molecules and (ii) generation of large (HBr)n clusters. Photodissociation of isolated HBr ( v = 1) molecules in particular J ro-vibrational states yielded faster H-fragments (by approximately 0.3 eV) with respect to the photodissociation of the ground state HBr ( v = 0). On the contrary, the IR excitation of molecules in (HBr) n clusters enhanced the yield of the H-fragments UV-photodissociated from the ground-state HBr ( v = 0) molecules. Our findings show that these molecules are photodissociated within clusters, and they are not free molecules evaporated from clusters after the IR excitation. Nanosecond IR-UV pump-probe experiments show that the IR-excitation enhances the H-fragment UV-photodissociation yield up to ∼100 ns after the IR excitation. After these long IR-UV delays, excitation of HBr molecules in clusters does not originate from the IR-excitation but from the UV-photodissociation and subsequent caging of HBr molecules in v > 0 states. We show that even after ∼100 ns the IR-excited larger (HBr) n clusters do not decay to individual molecules, and the excitation is still present in some form within these clusters enhancing their UV-photodissociation.
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Affiliation(s)
- K Grygoryeva
- J. Heyrovský Institute of Physical Chemistry v.v.i., Academy of Sciences of the Czech Republic, Dolejškova 3, 18223 Prague, Czech Republic
| | - J Rakovský
- J. Heyrovský Institute of Physical Chemistry v.v.i., Academy of Sciences of the Czech Republic, Dolejškova 3, 18223 Prague, Czech Republic
| | - O Votava
- J. Heyrovský Institute of Physical Chemistry v.v.i., Academy of Sciences of the Czech Republic, Dolejškova 3, 18223 Prague, Czech Republic
| | - M Fárník
- J. Heyrovský Institute of Physical Chemistry v.v.i., Academy of Sciences of the Czech Republic, Dolejškova 3, 18223 Prague, Czech Republic
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Parker DH, Delmdahl RF, Bakker BBLG, Loock HP. Ion Recoil Following (2+1) REMPI of Nascent Atoms - The Effect on Nascent Velocity Distributions in Velocity Map Imaging. J CHIN CHEM SOC-TAIP 2013. [DOI: 10.1002/jccs.200100050] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Kasai T, Che DC, Tsai PY, Lin KC. Reaction Dynamics with Molecular Beams and Oriented Molecular Beams: A Tool for Looking Closer to Chemical Reactions and Photodissociations. J CHIN CHEM SOC-TAIP 2012. [DOI: 10.1002/jccs.201100735] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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5
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Wang Z, McElmurry BA, Lucchese RR, Bevan JW, Coudert LH. Paired hydrogen bonds in the hydrogen halide homodimer (HI)2. J Chem Phys 2011; 134:064317. [DOI: 10.1063/1.3551621] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Baumfalk R, Buck U, Frischkorn C, Gandhi SR, Lauenstein C. Photodissociation and size analysis of (HBr)n clusters. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/bbpc.19971010338] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Coudert L, Belov S, Willaert F, McElmurry B, Bevan J, Hougen J. Submillimeter spectrum and analysis of vibrational and hyperfine coupling effects in (HI)2. Chem Phys Lett 2009. [DOI: 10.1016/j.cplett.2009.09.098] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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8
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Vidma KV, Parker DH, Bogdanchikov GA, Baklanov AV, Kochubei SA. Ionic Pathways following UV Photoexcitation of the (HI)2 van der Waals Dimer. J Phys Chem A 2009; 114:3067-73. [DOI: 10.1021/jp9067679] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Konstantin V. Vidma
- Institute for Molecules and Materials, Radboud University Nijmegen, Heijendaalseweg 135, 6525 ED Nijmegen, The Netherlands, Institute of Chemical Kinetics and Combustion, Institutskaya Street 3, Novosibirsk 630090 Russia, Novosibirsk State University, Pirogova Street 2, Novosibirsk 630090, Russia, and Institute of Semiconductor Physics, Academician Lavrentiev Ave. 13, Novosibirsk 630090, Russia
| | - David H. Parker
- Institute for Molecules and Materials, Radboud University Nijmegen, Heijendaalseweg 135, 6525 ED Nijmegen, The Netherlands, Institute of Chemical Kinetics and Combustion, Institutskaya Street 3, Novosibirsk 630090 Russia, Novosibirsk State University, Pirogova Street 2, Novosibirsk 630090, Russia, and Institute of Semiconductor Physics, Academician Lavrentiev Ave. 13, Novosibirsk 630090, Russia
| | - Georgii A. Bogdanchikov
- Institute for Molecules and Materials, Radboud University Nijmegen, Heijendaalseweg 135, 6525 ED Nijmegen, The Netherlands, Institute of Chemical Kinetics and Combustion, Institutskaya Street 3, Novosibirsk 630090 Russia, Novosibirsk State University, Pirogova Street 2, Novosibirsk 630090, Russia, and Institute of Semiconductor Physics, Academician Lavrentiev Ave. 13, Novosibirsk 630090, Russia
| | - Alexey V. Baklanov
- Institute for Molecules and Materials, Radboud University Nijmegen, Heijendaalseweg 135, 6525 ED Nijmegen, The Netherlands, Institute of Chemical Kinetics and Combustion, Institutskaya Street 3, Novosibirsk 630090 Russia, Novosibirsk State University, Pirogova Street 2, Novosibirsk 630090, Russia, and Institute of Semiconductor Physics, Academician Lavrentiev Ave. 13, Novosibirsk 630090, Russia
| | - Sergei A. Kochubei
- Institute for Molecules and Materials, Radboud University Nijmegen, Heijendaalseweg 135, 6525 ED Nijmegen, The Netherlands, Institute of Chemical Kinetics and Combustion, Institutskaya Street 3, Novosibirsk 630090 Russia, Novosibirsk State University, Pirogova Street 2, Novosibirsk 630090, Russia, and Institute of Semiconductor Physics, Academician Lavrentiev Ave. 13, Novosibirsk 630090, Russia
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Zhang XP, Lee WB, Zhao DF, Hsiao MK, Chen YL, Lin KC. Photodissociation of (ICN)2 van der Waals dimer using velocity imaging technique. J Chem Phys 2009; 130:214305. [DOI: 10.1063/1.3148376] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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10
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Chen F, McCoy AB. Quantum/Classical Studies of Vibrationally Mediated Photodissociation of Ar·H2O. J Phys Chem A 2008; 112:9477-82. [DOI: 10.1021/jp8027287] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Feng Chen
- Department of Chemistry, The Ohio State University, Columbus, Ohio 43210
| | - Anne B. McCoy
- Department of Chemistry, The Ohio State University, Columbus, Ohio 43210
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11
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Softley TP. Applications of molecular Rydberg states in chemical dynamics and spectroscopy. INT REV PHYS CHEM 2007. [DOI: 10.1080/01442350310001652940] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- T. P. Softley
- a Department of Chemistry , Chemistry Research Laboratory, University of Oxford , Mansfield Rd, Oxford OX1 3TA, UK
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Moskun AC, Bradforth SE, Thøgersen J, Keiding S. Absence of a Signature of Aqueous I(2P1/2) after 200-nm Photodetachment of I-(aq). J Phys Chem A 2006; 110:10947-55. [PMID: 16986827 DOI: 10.1021/jp053992+] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Ultrafast pump-broadband probe spectroscopy was used to study the transient photoproducts following 200-nm photodetachment of I(-)(aq). Resonant detachment at 200 nm in the second charge-transfer-to-solvent (CTTS) band of I(-)(aq) is expected to produce an electron and iodine in its spin-orbit excited state, I*((2)P(1/2)). The transients in solution following photodetachment were probed from 200 to 620 nm. Along with strong absorption in the visible region due to solvated electrons and a strong bleach of the I(-)(aq) ground-state absorption, a weaker transient absorption near 260 nm was observed that is consistent with a previously assigned ground-state I((2)P(3/2)) charge-transfer band. However, no evidence was found for an equivalent I*(aq) charge-transfer absorption, and I((2)P(3/2)) was produced within the instrument response. This suggests either that I* is electronically relaxed in less than 300 fs or that excitation in the second CTTS band does not in fact lead to I*. The consequences for previous experimental work where I*(aq) production has been postulated, as well as for halogen electron ejection mechanisms, are discussed. In addition, the broad spectral coverage of this study reveals in the bleach recovery the rapid cooling of the solvent surrounding the re-formed iodide after geminate recombination of the iodine with the solvated electron.
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Affiliation(s)
- Amy C Moskun
- Department of Chemistry, University of Southern California, Los Angeles, California 90089, USA
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Fárník M, Nahler NH, Buck U, Slavíček P, Jungwirth P. Photodissociation of HBr on the surface of Arn clusters at 193nm. Chem Phys 2005. [DOI: 10.1016/j.chemphys.2005.03.025] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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14
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Vidma KV, Baklanov AV, Khvorostov EB, Ishchenko VN, Kochubei SA, Eppink ATJB, Chestakov DA, Parker DH. UV photodissociation of the van der Waals dimer (CH3I)2 revisited: Pathways giving rise to ionic features. J Chem Phys 2005; 122:204301. [PMID: 15945718 DOI: 10.1063/1.1909083] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
The CH(3)I A-state-assisted photofragmentation of the (CH(3)I)(2) van der Waals dimer at 248 nm and nearby wavelengths has been revisited experimentally using the time-of-flight mass spectrometry with supersonic and effusive molecular beams and the "velocity map imaging" technique. The processes underlying the appearance of two main (CH(3)I)(2) cluster-specific features in the mass spectra, namely, I(2)(+) and translationally "hot" I(+) ions, have been studied. Translationally hot I(+) ions with an average kinetic energy of 0.94+/-0.02 eV appear in the one-quantum photodissociation of vibrationally excited I(2)(+)((2)Pi(32,g)) ions (E(vib)=0.45+/-0.11 eV) via a "parallel" photodissociation process with an anisotropy parameter beta=1.55+/-0.03. Comparison of the images of I(+) arising from the photoexcitation of CH(3)I clusters versus those from neutral I(2) shows that "concerted" photodissociation of the ionized (CH(3)I)(2)(+) dimer appears to be the most likely mechanism for the formation of molecular iodine ion I(2)(+), instead of photoionization of neutral molecular iodine.
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Affiliation(s)
- Konstantin V Vidma
- Institute of Chemical Kinetics and Combustion, Institutskaja Street 3, Novosibirsk 630090, Russia
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Prosmiti R, López-López S, GarcÍa-Vela * A. Effect of the initial excitation of the intermolecular stretching mode in Ar–HBr photolysis. Mol Phys 2004. [DOI: 10.1080/00268970412331290625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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16
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López-López S, Prosmiti R, García-Vela A. Quantum treatment of the Ar-HI photodissociation dynamics. J Chem Phys 2004; 121:1802-9. [PMID: 15260731 DOI: 10.1063/1.1767092] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
A wave packet simulation of the ultraviolet photolysis dynamics of Ar-HI(upsilon = 0) is reported. Cluster photodissociation is started from two different initial states, namely, the ground van der Waals (vdW) and the first excited vdW bending state, associated with the Ar-I-H and Ar-H-I isomeric forms of the system, respectively. Formation of Ar-I radical products is investigated over the energy range of the cluster absorption spectrum. It is found that the yield of bound Ar-I radical complexes is typically 90%-100% and 70%-80% for the initial states associated with the Ar-I-H and Ar-H-I isomers, respectively. This result is in agreement with the experimentally observed time-of-flight spectrum of the hydrogen fragment produced after Ar-HI photodissociation. The high Ar-I yield is explained mainly by the small amount of energy available for the radical that is converted into internal energy in the photofragmentation process, which enhances the Ar-I survival probability. Quantum interference effects manifest themselves in structures in the angular distribution of the hydrogen fragment, and in pronounced rainbow patterns in the rotational distributions of the Ar-I radical.
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Affiliation(s)
- Sergio López-López
- Instituto de Matemáticas y Física Fundamental, C.S.I.C., Serrano 123, 28006 Madrid, Spain.
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López-López S, García-Vela A. Photodissociation dynamics of the Kr-HBr cluster: the effect of the rare gas atom substitution. J Chem Phys 2004; 120:660-8. [PMID: 15267900 DOI: 10.1063/1.1631251] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
The ultraviolet photolysis dynamics of Kr-HBr(v=0) is investigated by means of wave packet calculations, focusing on the fragmentation pathway Kr-HBr+ variant Planck's over 2pi omega-->H+Kr-Br. Photolysis is simulated by starting from two different cluster initial states, namely the ground van der Waals (vdW) and an excited vdW bending state, associated with the Kr-H-Br and Kr-Br-H isomers, respectively. The results show that, for the two initial states of the cluster, the Kr-Br product yield is lower than that of Ar-Br radicals found in previous studies on Ar-HBr photolysis. Despite this decrease, the Kr-Br yield is found to be still rather high, in particular for the initial excited vdW state of Kr-HBr(v=0). In addition, the Kr-Br product state distributions exhibit a remarkably higher excitation (mainly rotational) than the corresponding Ar-Br distributions. The lower yield and higher excitation of Kr-Br as compared to Ar-Br, are attributed to a larger share of the energy available for the radical going to internal excitation in the case of the Kr-Br product. The different partition of the energy available for Kr-Br also causes significant deviations in the photolysis behavior of Kr-HBr when compared to that of Ar-HBr, in the case of the initial excited vdW state of both clusters. A common feature of the photodissociation of Kr-HBr and Ar-HBr is the manifestation of quantum interference effects in the Kr-Br and Ar-Br rotational state distributions, in the form of pronounced structures of supernumerary rotational rainbows.
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Affiliation(s)
- S López-López
- Instituto de Matemáticas y Física Fundamental, C.S.I.C., Serrano 123, 28006 Madrid, Spain
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Meuwly M, Hutson JM. Potential energy surfaces and bound states for the open-shell van der Waals cluster Br–HF. J Chem Phys 2003. [DOI: 10.1063/1.1615238] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Chastaing D, Underwood J, Wittig C. Intracluster superelastic scattering via sequential photodissociation in small HI clusters. J Chem Phys 2003. [DOI: 10.1063/1.1574014] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Prosmiti R, García-Vela A. Photodissociation Quantum Dynamics of the Ar−HF(v = 0) Cluster. J Phys Chem A 2003. [DOI: 10.1021/jp0303873] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- R. Prosmiti
- Instituto de Matemáticas y Fısica Fundamental, C.S.I.C., Serrano 123, 28006 Madrid, Spain
| | - A. García-Vela
- Instituto de Matemáticas y Fısica Fundamental, C.S.I.C., Serrano 123, 28006 Madrid, Spain
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Prosmiti R, Garcı́a-Vela A. Wave packet study of the Ar–HBr photolysis: Stereodynamical effects. J Chem Phys 2003. [DOI: 10.1063/1.1565312] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Hendrik Nahler N, Baumfalk R, Buck U, Vach H, Slavíček P, Jungwirth P. Photodissociation of HBr in and on Arnclusters: the role of the position of the molecule. Phys Chem Chem Phys 2003. [DOI: 10.1039/b304511k] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Auer BM, McCoy AB. Using Diffusion Monte Carlo to Evaluate the Initial Conditions for Classical Studies of the Photodissociation Dynamics of HCl Dimer. J Phys Chem A 2002. [DOI: 10.1021/jp021826l] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Benjamin M. Auer
- Department of Chemistry, The Ohio State University, Columbus, Ohio 43210
| | - Anne B. McCoy
- Department of Chemistry, The Ohio State University, Columbus, Ohio 43210
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Manzhos S, Loock HP, Bakker BLG, Parker DH. Photodissociation of hydrogen iodide in the A-band region 273–288 nm. J Chem Phys 2002. [DOI: 10.1063/1.1513250] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Buck U. Photodissociation of Hydrogen Halide Molecules in Different Cluster Environments. J Phys Chem A 2002. [DOI: 10.1021/jp0208079] [Citation(s) in RCA: 57] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Udo Buck
- Max-Planck-Institut für Strömungsforschung, Bunsenstrasse 10, D-37073 Göttingen, Germany
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Prosmiti R, Garcı́a-Vela A. Stereodynamics and control effects in the ultraviolet photolysis of Ar–HBr. J Chem Phys 2002. [DOI: 10.1063/1.1480866] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Katz G, Zeiri Y, Kosloff R. Three-dimensional quantum time-dependent study of the photodissociation dynamics of Na⋯FH/D. Chem Phys Lett 2002. [DOI: 10.1016/s0009-2614(02)00741-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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28
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Juanes-Marcos JC, García-Vela A. Quantum Interference Effects in the Ultraviolet Photolysis of Ar−HCl Following Total Fragmentation into H + Ar + Cl. J Phys Chem A 2002. [DOI: 10.1021/jp020081g] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- J. C. Juanes-Marcos
- Instituto de Matemáticas y Física Fundamental, CSIC, Serrano 123, 28006 Madrid, Spain
| | - A. García-Vela
- Instituto de Matemáticas y Física Fundamental, CSIC, Serrano 123, 28006 Madrid, Spain
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29
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Juanes-Marcos JC, García-Vela A. Quantum Interference Effects in the Ultraviolet Photolysis of Ar−HCl Following Partial Fragmentation into H + Ar−Cl. J Phys Chem A 2001. [DOI: 10.1021/jp0136213] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- J. C. Juanes-Marcos
- Instituto de Matemáticas y Fısica Fundamental, C.S.I.C., Serrano 123, 28006 Madrid, Spain
| | - A. García-Vela
- Instituto de Matemáticas y Fısica Fundamental, C.S.I.C., Serrano 123, 28006 Madrid, Spain
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Oudejans L, Miller R. Photofragment translational spectroscopy of weakly bound complexes: probing the interfragment correlated final state distributions. Annu Rev Phys Chem 2001; 52:607-37. [PMID: 11326076 DOI: 10.1146/annurev.physchem.52.1.607] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The vibrational predissociation dynamics of weakly bound complexes is well known to be highly nonstatistical. In particular, the associated photofragment final state distributions are often far from statistical, consequently reflecting the nature of the dissociation process. For binary complexes consisting of two molecules, a complete description of the final state of the system must include the associated interfragment correlations, specifically between their internal states. Information of this type is imprinted in the translational energies of the fragments, which can be measured using a number of recently developed translational spectroscopy methods. These data can provide detailed insights into the nature of the bond rupture process, as well as accurate values for the dissociation energy of the complexes. The focus of the present review is on experiments that provide correlated final state distributions for weakly bound binary complexes. Where possible, comparisons with theoretical calculations are made.
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Affiliation(s)
- L Oudejans
- Department of Chemistry, University of North Carolina, Chapel Hill, North Carolina 27599, USA
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31
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Picconatto CA, Ni H, Srivastava A, Valentini JJ. Quantum state distributions of HCl from the ultraviolet photodissociation of HCl dimer. J Chem Phys 2001. [DOI: 10.1063/1.1360786] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Tunneling motion in (HCl)2 hydrogen-bonded dimer probed by electrostatic hexapole and Doppler-selected TOF measurement for the internal energy distribution of [ClHCl]. J Mol Struct 2000. [DOI: 10.1016/s0022-2860(00)00472-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Baumfalk R, Nahler NH, Buck U, Niv MY, Gerber RB. Photodissociation of HBr adsorbed on the surface and embedded in large Arn clusters. J Chem Phys 2000. [DOI: 10.1063/1.481798] [Citation(s) in RCA: 45] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
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35
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Jabs W, McIntosh AL, Lucchese RR, Bevan JW, Brugh DJ, Suenram RD. Structure and dynamics of N2–IH. J Chem Phys 2000. [DOI: 10.1063/1.481791] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
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36
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Juanes-Marcos JC, García-Vela A. An energy-resolved study of the partial fragmentation dynamics of Ar–HCl into H+Ar–Cl after ultraviolet photodissociation. J Chem Phys 2000. [DOI: 10.1063/1.481053] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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37
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Baumfalk R, Buck U, Frischkorn C, Nahler NH, Hüwel L. Photodissociation of HBr molecules and clusters: Anisotropy parameters, branching ratios, and kinetic energy distributions. J Chem Phys 1999. [DOI: 10.1063/1.479535] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
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Liu K, Kolessov A, Partin J, Bezel I, Wittig C. Probing the Cl–HCl complex via bond-specific photodissociation of (HCl)2. Chem Phys Lett 1999. [DOI: 10.1016/s0009-2614(98)01293-7] [Citation(s) in RCA: 46] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Gendron DJ, Hepburn JW. Dynamics of HI photodissociation in the A band absorption via H-atom Doppler spectroscopy. J Chem Phys 1998. [DOI: 10.1063/1.477356] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Callicoatt BE, Förde K, Ruchti T, Jung L, Janda KC, Halberstadt N. Capture and ionization of argon within liquid helium droplets. J Chem Phys 1998. [DOI: 10.1063/1.476389] [Citation(s) in RCA: 89] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Langford SR, Regan PM, Orr-Ewing AJ, Ashfold MN. On the UV photodissociation dynamics of hydrogen iodide. Chem Phys 1998. [DOI: 10.1016/s0301-0104(98)00013-5] [Citation(s) in RCA: 50] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Zhong D, Zewail AH. Femtosecond Real-Time Probing of Reactions. 23. Studies of Temporal, Velocity, Angular, and State Dynamics from Transition States to Final Products by Femtosecond-Resolved Mass Spectrometry. J Phys Chem A 1998. [DOI: 10.1021/jp9805196] [Citation(s) in RCA: 121] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Dongping Zhong
- Arthur Amos Noyes Laboratory of Chemical Physics, California Institute of Technology, Pasadena, California 91125
| | - Ahmed H. Zewail
- Arthur Amos Noyes Laboratory of Chemical Physics, California Institute of Technology, Pasadena, California 91125
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Ning CL, Pfab J. Generation and 355 nm Laser Photodissociation of Nitrous Acid (HONO) and HONO−Water Clusters. J Phys Chem A 1997. [DOI: 10.1021/jp9711712] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- C. L. Ning
- Department of Chemistry, Heriot-Watt University, Riccarton, Edinburgh, EH14 4AS, Scotland, U.K
| | - J. Pfab
- Department of Chemistry, Heriot-Watt University, Riccarton, Edinburgh, EH14 4AS, Scotland, U.K
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Schatz GC. Quasiclassical trajectory studies of H(D)+HF(DF) collisions at 2 eV. J Chem Phys 1997. [DOI: 10.1063/1.473088] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Bergmann K, Huber JR. Photoinduced Bimolecular Reactions in Homogeneous [CH3ONO]n Clusters. J Phys Chem A 1997. [DOI: 10.1021/jp962507v] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- K. Bergmann
- Physikalisch-Chemisches Institut der Universität Zürich, Winterthurerstrasse 190, CH-8057 Zürich, Switzerland
| | - J. Robert Huber
- Physikalisch-Chemisches Institut der Universität Zürich, Winterthurerstrasse 190, CH-8057 Zürich, Switzerland
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Mackenzie SR, Votava O, Fair JR, Nesbitt DJ. ‘‘Gentle recoil’’ synthesis of free‐radical clusters via unimolecular photolysis of closed shell complexes. J Chem Phys 1996. [DOI: 10.1063/1.472985] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
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Zhong D, Cheng PY, Zewail AH. Bimolecular reactions observed by femtosecond detachment to aligned transition states: Inelastic and reactive dynamics. J Chem Phys 1996. [DOI: 10.1063/1.472606] [Citation(s) in RCA: 64] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
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DeBoer G, Burnett JW, Fujimoto A, Young MA. Photodissociation Dynamics of the Charge-Transfer State of the C6H6−I2 Complex. ACTA ACUST UNITED AC 1996. [DOI: 10.1021/jp9614308] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Gary DeBoer
- Department of Chemistry, University of Iowa, Iowa City, Iowa 52242
| | | | - Akira Fujimoto
- Department of Chemistry, University of Iowa, Iowa City, Iowa 52242
| | - Mark A. Young
- Department of Chemistry, University of Iowa, Iowa City, Iowa 52242
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Bačić Z, Miller RE. Molecular Clusters: Structure and Dynamics of Weakly Bound Systems. ACTA ACUST UNITED AC 1996. [DOI: 10.1021/jp960574j] [Citation(s) in RCA: 145] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Zlatko Bačić
- Department of Chemistry, New York University, New York, New York 10003
| | - Roger E. Miller
- Department of Chemistry, University of North Carolina, Chapel Hill, North Carolina 27599
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