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Kaupp M, Karton A, Bischoff FA. [Al2O4](-), a Benchmark Gas-Phase Class II Mixed-Valence Radical Anion for the Evaluation of Quantum-Chemical Methods. J Chem Theory Comput 2016; 12:3796-806. [PMID: 27434425 DOI: 10.1021/acs.jctc.6b00594] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The radical anion [Al2O4](-) has been identified as a rare example of a small gas-phase mixed-valence system with partially localized, weakly coupled class II character in the Robin/Day classification. It exhibits a low-lying C2v minimum with one terminal oxyl radical ligand and a high-lying D2h minimum at about 70 kJ/mol relative energy with predominantly bridge-localized-hole character. Two identical C2v minima and the D2h minimum are connected by two C2v-symmetrical transition states, which are only ca. 6-10 kJ/mol above the D2h local minimum. The small size of the system and the absence of environmental effects has for the first time enabled the computation of accurate ab initio benchmark energies, at the CCSDT(Q)/CBS level using W3-F12 theory, for a class-II mixed-valence system. These energies have been used to evaluate wave function-based methods [CCSD(T), CCSD, SCS-MP2, MP2, UHF] and density functionals ranging from semilocal (e.g., BLYP, PBE, M06L, M11L, N12) via global hybrids (B3LYP, PBE0, BLYP35, BMK, M06, M062X, M06HF, PW6B95) and range-separated hybrids (CAM-B3LYP, ωB97, ωB97X-D, LC-BLYP, LC-ωPBE, M11, N12SX), the B2PLYP double hybrid, and some local hybrid functionals. Global hybrids with about 35-43% exact-exchange (EXX) admixture (e.g., BLYP35, BMK), several range hybrids (CAM-B3LYP, ωB97X-D, ω-B97), and a local hybrid provide good to excellent agreement with benchmark energetics. In contrast, too low EXX admixture leads to an incorrect delocalized class III picture, while too large EXX overlocalizes and gives too large energy differences. These results provide support for previous method choices for mixed-valence systems in solution and for the treatment of oxyl defect sites in alumosilicates and SiO2. Vibrational gas-phase spectra at various computational levels have been compared directly to experiment and to CCSD(T)/aug-cc-pV(T+d)Z data.
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Affiliation(s)
- Martin Kaupp
- Institut für Chemie, Theoretische Chemie/Quantenchemie Technische, Sekr. C7, Universität Berlin , Straße des 17. Juni 135, D-10623, Berlin, Germany
| | - Amir Karton
- School of Chemistry and Biochemistry, The University of Western Australia , 35 Stirling Highway, Crawley, Perth 6009, Australia
| | - Florian A Bischoff
- Institut für Chemie, Theoretische Chemie/Quantenchemie, Humboldt-Universität zu Berlin , Brook-Taylor-Strasse 2, 12489 Berlin, Germany
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2
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Cave RJ, Stanton JF. A simple quasi-diabatization scheme suitable for spectroscopic problems based on one-electron properties of interacting states. J Chem Phys 2016; 144:054110. [DOI: 10.1063/1.4940426] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Affiliation(s)
- Robert J. Cave
- Department of Chemistry, Harvey Mudd College, 241 Platt Blvd., Claremont, California 91711, USA
| | - John F. Stanton
- Department of Chemistry and Biochemistry, The University of Texas at Austin, 1 University Ave., Austin, Texas 78712, USA
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Sakaki S. Theoretical and Computational Study of a Complex System Consisting of Transition Metal Element(s): How to Understand and Predict Its Geometry, Bonding Nature, Molecular Property, and Reaction Behavior. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2015. [DOI: 10.1246/bcsj.20150119] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Shigeyoshi Sakaki
- Fukui Institute for Fundamental Chemistry, Kyoto University
- CREST, Japan Science and Technology Agency (JST)
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4
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Parthey M, Kaupp M. Quantum-chemical insights into mixed-valence systems: within and beyond the Robin–Day scheme. Chem Soc Rev 2014; 43:5067-88. [DOI: 10.1039/c3cs60481k] [Citation(s) in RCA: 139] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
The application of quantum-chemical methods to both organic and transition-metal mixed-valence systems is reviewed, with particular emphasis on how to describe correctly delocalisation vs. localisation near the borderline between Robin–Day classes II and III.
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Affiliation(s)
- M. Parthey
- Technische Universität Berlin
- Institut für Chemie
- Theoretische Chemie
- Sekr. C7
- 10623 Berlin, Germany
| | - M. Kaupp
- Technische Universität Berlin
- Institut für Chemie
- Theoretische Chemie
- Sekr. C7
- 10623 Berlin, Germany
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5
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Conductivity by Electron Pairs. Chem Phys 2012. [DOI: 10.1201/b11524-20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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6
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Tokunaga K. Signal transmission through molecular quantum-dot cellular automata: a theoretical study on Creutz–Taube complexes for molecular computing. Phys Chem Chem Phys 2009; 11:1474-83. [DOI: 10.1039/b816103h] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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7
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Todorova T, Delley B. The Creutz−Taube Complex Revisited: DFT Study of the Infrared Frequencies. Inorg Chem 2008; 47:11269-77. [DOI: 10.1021/ic8018748] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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8
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Fleming CN, Dattelbaum DM, Thompson DW, Ershov AY, Meyer TJ. Excited State Intervalence Transfer in a Rigid Polymeric Film. J Am Chem Soc 2007; 129:9622-30. [PMID: 17630735 DOI: 10.1021/ja068074j] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The ligand-bridged complex cis,cis-[(bpy)2ClRu(pz)RuCl(bpy)2]2+ as the PF6- salt, (1)(PF6)2, is stabilized toward photochemical ligand loss in poly(methyl methacrylate) (PMMA). Stabilization allows measurement of metal-to-ligand charge transfer (MLCT) photophysical properties--emission and transient absorption. This includes appearance of an intervalence transfer absorption band in the near IR spectrum of the photochemically prepared, mixed valence form, [(bpy)2ClRuIII(pz(-*))RuIICl(bpy)2](PF6)2* (1*(PF6)2). Comparison of its IT band properties with those of ground state cis,cis-(bpy)2ClRuIII(pz)RuIICl(bpy)2]3+ in CD3CN allows a comparison to be made between pz and pz(-*) as bridging ligands. A model based on differences between rigid and fluid media provides an explanation for decreased IT band energies and widths in PMMA and provides important insight into electron transfer in rigid media.
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Affiliation(s)
- Cavan N Fleming
- Department of Chemistry, University of North Carolina, Chapel Hill, North Carolina 27599, USA
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9
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Yokogawa D, Sato H, Nakao Y, Sakaki S. Localization or Delocalization in the Electronic Structure of Creutz−Taube-Type Complexes in Aqueous Solution. Inorg Chem 2007; 46:1966-74. [PMID: 17298050 DOI: 10.1021/ic060173a] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Creutz-Taube complex, [(NH3)5Ru-pyrazine-Ru(NH3)5]5+ (1), and its analogues, [(NH3)5Os-pyrazine-Os(NH3)5]5+ (2), [(NH3)5Ru(4,4'-bipyridine)Ru(NH3)5]5+ (3), and [(NH3)5Os(4,4'-bipyridine)Os(NH3)5]5+ (4), were theoretically investigated by the combination of a two-state model and the dielectric continuum model. Their electronic structures are very sensitive to the metal, ligand, and solvent. In the gas phase, the electronic structures of 1-4 would be completely delocalized. In aqueous solution, that of 3 becomes localized because the polar solvent stabilizes the localized electronic structure with the large dipole moment. However, 1 and 2 are still delocalized in aqueous solution. In 4, the electronic structure would be localized when the dihedral angle between two pyridyl rings is 80 degrees , while it would become delocalized when the angle is small. The origins of the difference are the smaller overlap integral and larger energy difference between two diabatic states, of which electronic structure is almost localized on each metal center.
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Affiliation(s)
- Daisuke Yokogawa
- Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
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11
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Lundberg M, Siegbahn PEM. Optimized Spin Crossings and Transition States for Short-range Electron Transfer in Transition Metal Dimers. J Phys Chem B 2005; 109:10513-20. [PMID: 16852273 DOI: 10.1021/jp051116q] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Electron-transfer reactions in eight mixed-valence manganese dimers are studied using B3LYP. One of the dimers is a model of the active site of manganese catalase, while another represents a basic building block of the oxygen-evolving complex in photosystem II. The adiabatic reactions are characterized by fully optimized transition states where the single imaginary frequency represents the electron-transfer coordinate. When there is antiferromagnetic coupling between different high-spin centers, electron transfer must be accompanied by a spin transition. Spin transitions are characterized by minimum-energy crossing points between spin surfaces. Three reaction mechanisms have been investigated. First, a single-step reaction where spin flip is concerted with electron transfer. Second, an initial transition to a center with intermediate spin that can be followed by electron transfer. Third, an initial transition to a ferromagnetic state from which the electron can be transferred adiabatically. The complexes prefer the third route with rate-determining barriers ranging from 5.7 kcal/mol to 17.2 kcal/mol for different complexes. The origins of these differences are discussed in terms of oxidation states and ligand environments. Many DFT functionals overestimate charge-transfer interactions, but for the present complexes, the error should be limited because of short Mn-Mn distances.
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Affiliation(s)
- Marcus Lundberg
- Department of Physics, Stockholm University, AlbaNova University Center, SE-106 91 Stockholm, Sweden.
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Prytkova TR, Kurnikov IV, Beratan DN. Ab Initio Based Calculations of Electron-Transfer Rates in Metalloproteins. J Phys Chem B 2005; 109:1618-25. [PMID: 16851133 DOI: 10.1021/jp0457491] [Citation(s) in RCA: 73] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A long-standing challenge in electron-transfer theory is to compute accurate rates of long-distance reactions in proteins. We describe an ab initio Hartree-Fock approach to compute electronic-coupling interactions and electron-transfer rates in proteins that allows the favorable comparison with experiment. The method includes the following key features; each is essential for reliable rate computations: (1) summing contributions over multiple tunneling pathways, (2) averaging couplings over thermally accessible protein conformations, (3) describing donor and acceptor electronic structure explicitly, including solvation effects, and averaging coupling over multiple energy-level crossings of the nearly degenerate donor-acceptor ligand-field states, and (4) eliminating basis set artifacts associated with diffuse basis functions. The strong dependence of coupling on donor-acceptor distance and on pathway interferences causes large variations of the computed electron-coupling values with protein geometry, and the strongest coupled conformers dominate the electron-transfer rate. As such, averaging over thermally accessible conformers of the protein and of the redox cofactors is essential. This approach was tested on six ruthenium-modified azurin derivatives using the high temperature nonadiabatic rate expression and compared with simpler pathways, average barrier, and semiempirical INDO models. Results of ab initio Hartree-Fock calculations with a split-valence basis set are in good agreement with the experimental rates. Predicted rates in the longer-distance derivatives are underestimated by 3-8-fold. This analysis indicates that the key ingredients needed for quantitatively reliable protein electron-transfer rate calculations are accessible.
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Affiliation(s)
- Tatiana R Prytkova
- Departments of Chemistry and Biochemistry, Duke University, Durham, NC 27708, USA
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Pourtois G, Beljonne D, Moucheron C, Schumm S, Kirsch-De Mesmaeker A, Lazzaroni R, Brédas JL. Photophysical Properties of Ruthenium(II) Polyazaaromatic Compounds: A Theoretical Insight. J Am Chem Soc 2003; 126:683-92. [PMID: 14719968 DOI: 10.1021/ja034444h] [Citation(s) in RCA: 112] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Quantum-chemical methods are applied to study the nature of the excited states relevant in the photophysical processes (absorption and emission) of a series of polyazaaromatic-ligand-based ruthenium(II) complexes. The electronic and optical properties of the free polyazaaromatic ligands and their corresponding ruthenium(II) complexes are determined on the basis of correlated Hartree-Fock semiempirical approaches. While the emission of complexes containing small-size ligands, such as 1,10-phenanthroline or 2,2'-bipyridine, arises from a manifold of metal-to-ligand charge-transfer triplet states ((3)MLCTs), an additional ligand-centered triplet state ((3)L) is identified in the triplet manifold of complexes containing a pi-extended ligand such as dipyrido[3,2-a:2',3'-c]phenazine, tetrapyrido[3,2-a:2',3'-c:3'',2''-h:2''',3'''-j]phenazine, and 1,10-phenanthrolino[5,6-b]-1,4,5,8,9,12-hexaazatriphenylene. Recent experimental data are interpreted in light of these theoretical results; namely, the origin for the abnormal solvent- and temperature-dependent emission measured in pi-extended Ru complexes is revisited.
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Affiliation(s)
- Geoffrey Pourtois
- Laboratory for Chemistry of Novel Materials, University of Mons-Hainaut, 20 Place du Parc, B-7000 Mons, Belgium
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Braun-Sand SB, Wiest O. Biasing Mixed-Valence Transition Metal Complexes in Search of Bistable Complexes for Molecular Computing. J Phys Chem B 2003. [DOI: 10.1021/jp034208t] [Citation(s) in RCA: 56] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Sonja B. Braun-Sand
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556-5670
| | - Olaf Wiest
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556-5670
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15
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Kobayashi C, Baldridge K, Onuchic JN. Multiple versus single pathways in electron transfer in proteins: Influence of protein dynamics and hydrogen bonds. J Chem Phys 2003. [DOI: 10.1063/1.1588293] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
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16
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Braun-Sand SB, Wiest O. Theoretical Studies of Mixed-Valence Transition Metal Complexes for Molecular Computing. J Phys Chem A 2002. [DOI: 10.1021/jp0265945] [Citation(s) in RCA: 98] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Sonja B. Braun-Sand
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556-5670
| | - Olaf Wiest
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556-5670
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Demadis KD, Hartshorn CM, Meyer TJ. The localized-to-delocalized transition in mixed-valence chemistry. Chem Rev 2001; 101:2655-86. [PMID: 11749392 DOI: 10.1021/cr990413m] [Citation(s) in RCA: 852] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- K D Demadis
- Department of Chemistry, Venable and Kenan Laboratories, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3290, USA
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18
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Hush NS, Reimers JR. Solvent effects on the electronic spectra of transition metal complexes. Chem Rev 2000; 100:775-86. [PMID: 11749250 DOI: 10.1021/cr980409v] [Citation(s) in RCA: 86] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- N S Hush
- School of Chemistry and Department of Biochemistry, University of Sydney, NSW 2006, Australia
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de Sousa Moreira I, Batista de Lima J, Wagner Franco D. Manifestation of sulfur-to-sulfur interaction in complexes of iron, ruthenium and osmium. Coord Chem Rev 2000. [DOI: 10.1016/s0010-8545(99)00219-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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20
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Demadis KD, Neyhart GA, Kober EM, White PS, Meyer TJ. Intervalence Transfer at the Localized-to-Delocalized, Mixed-Valence Transition in Osmium Polypyridyl Complexes. Inorg Chem 1999; 38:5948-5959. [PMID: 11671300 DOI: 10.1021/ic9907765] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The mixed-valence complexes [(bpy)(2)(Cl)Os(III)(BL)Os(II)(Cl)(bpy)(2)](3+) and [(tpy)(bpy)Os(III)(BL)Os(II)(bpy)(tpy)](5+) (bpy is bipyridine; tpy is 2,2':6',2' '-terpyridine; BL is a bridging ligand, either 4,4'-bipyridine (4,4'-bpy) or pyrazine (pz)) have been prepared and studied by infrared and near-infrared measurements in different solvents. For BL = 4,4'-bpy, there is clear evidence for localized Os(II) and Os(III) oxidation states in the appearance of the expected two interconfigurational dpi --> dpi bands at Os(III) and additional, broad absorption features in the near-infrared arising from intervalence transfer (IT) transitions. For [(bpy)(2)(Cl)Os(pz)Os(Cl)(bpy)(2)](3+) and [(tpy)(bpy)Os(pz)Os(bpy)(tpy)](5+), unusually intense nu(pz) bands appear in the infrared at 1599 cm(-)(1) (epsilon = 2600 M(-)(1) cm(-)(1)) for the former and at 1594 cm(-)(1) (epsilon = 2020 M(-)(1) cm(-)(1)) for the latter. They provide an oxidation state marker and evidence for localized oxidation states. A series of bands appear in the near-infrared from 2500 to 8500 cm(-)(1) that can be assigned to a combination of interconfigurational dpi --> dpi and IT transitions. In CD(3)CN, in the mid-infrared, bands arising from nu(bpy) ring stretching modes from 1400 to 1500 cm(-)(1) are averaged for [(bpy)(2)(Cl)Os(pz)Os(Cl)(bpy)(2)](3+) or significantly perturbed for [(tpy)(bpy)Os(pz)Os(bpy)(tpy)](5+) compared to electronically isolated Os(II) and Os(III) complexes. The pyrazine-bridged complexes have properties that place them in a new class of mixed-valence molecules, Class II-III having properties associated with both Class II and Class III in the Robin and Day classification scheme. The characteristic features of this class are that oxidation states are localized because of vibrational coupling but that solvent orientational motions are uncoupled because of rapid intramolecular electron transfer.
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Affiliation(s)
- Konstantinos D. Demadis
- Venable and Kenan Laboratories, Department of Chemistry, CB 3290, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, and Global Water Research, Nalco Chemical Company, One Nalco Center, Naperville, Illinois 60563-1198
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Leshchev DV, Baranovskii VI, Sizova OV, Panin AI. Quantum chemical study of the magnetic properties and electronic structure of the Creutz-Taube ion [(NH3)5Ru-pyz-Ru(NH3)5]5+. J STRUCT CHEM+ 1999. [DOI: 10.1007/bf02700709] [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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22
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Reimers JR, Hush NS. Electron and Energy Transfer through Bridged Systems. 9. Toward a Priori Evaluation of the Intermetallic Coupling in Bis-metal Complexes. J Phys Chem A 1999. [DOI: 10.1021/jp984598x] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jeffrey R. Reimers
- School of Chemistry and Department of Biochemistry, University of Sydney, N.S.W. 2006 Australia
| | - Noel S. Hush
- School of Chemistry and Department of Biochemistry, University of Sydney, N.S.W. 2006 Australia
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23
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Balabin IA, Onuchic JN. A New Framework for Electron-Transfer CalculationsBeyond the Pathways-like Models. J Phys Chem B 1998. [DOI: 10.1021/jp9819442] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ilya A. Balabin
- Department of Physics, University of California at San Diego, 9500 Gilman Drive, La Jolla, California 92093-0350
| | - José Nelson Onuchic
- Department of Physics, University of California at San Diego, 9500 Gilman Drive, La Jolla, California 92093-0350
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Demadis KD, Neyhart GA, Kober EM, Meyer TJ. Vibrational Mapping at the Mixed-Valence, Localized-to-Delocalized Transition. J Am Chem Soc 1998. [DOI: 10.1021/ja980374g] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Konstantinos D. Demadis
- Department of Chemistry Venable and Kenan Laboratories CB# 3290 University of North Carolina at Chapel Hill Chapel Hill, North Carolina 27599-3290
| | - Gregory A. Neyhart
- Department of Chemistry Venable and Kenan Laboratories CB# 3290 University of North Carolina at Chapel Hill Chapel Hill, North Carolina 27599-3290
| | - Edward M. Kober
- Department of Chemistry Venable and Kenan Laboratories CB# 3290 University of North Carolina at Chapel Hill Chapel Hill, North Carolina 27599-3290
| | - Thomas J. Meyer
- Department of Chemistry Venable and Kenan Laboratories CB# 3290 University of North Carolina at Chapel Hill Chapel Hill, North Carolina 27599-3290
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Affiliation(s)
- Pingyun Chen
- Department of Chemistry, University of North Carolina, Chapel Hill, North Carolina 27599minus sign3290
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Calzado CJ, Malrieu JP, Sanz JF. Physical Factors Governing the Amplitude of the Electron Transfer Integral in Mixed-Valence Compounds. J Phys Chem A 1998. [DOI: 10.1021/jp980105c] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Carmen J. Calzado
- Departamento de Química Física, Universidad de Sevilla, c/Profesor García González, s/n 41006 Sevilla, Spain, and Laboratoire de Physique Quantique, URA 505, Université Paul Sabatier, 118 route de Narbonne, 31062 Toulouse Cedex, France
| | - Jean-Paul Malrieu
- Departamento de Química Física, Universidad de Sevilla, c/Profesor García González, s/n 41006 Sevilla, Spain, and Laboratoire de Physique Quantique, URA 505, Université Paul Sabatier, 118 route de Narbonne, 31062 Toulouse Cedex, France
| | - Javier F. Sanz
- Departamento de Química Física, Universidad de Sevilla, c/Profesor García González, s/n 41006 Sevilla, Spain, and Laboratoire de Physique Quantique, URA 505, Université Paul Sabatier, 118 route de Narbonne, 31062 Toulouse Cedex, France
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Broo A, Lincoln P. Ab Initio and Semiempirical Calculations of Geometry and Electronic Spectra of Ruthenium Organic Complexes and Modeling of Spectroscopic Changes upon DNA Binding. Inorg Chem 1997. [DOI: 10.1021/ic961193n] [Citation(s) in RCA: 63] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Anders Broo
- Department of Physical Chemistry, Chalmers University of Technology, 412 96 Göteborg, Sweden
| | - Per Lincoln
- Department of Physical Chemistry, Chalmers University of Technology, 412 96 Göteborg, Sweden
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28
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Sizova OV, Panin AI, Ivanova NV, Baranovskii VI. Electronic structure, spectrum, and intramolecular electron transfer model of [(NH3)5Ru-(4,4’-bipy)-Ru(NH3)5]5+. J STRUCT CHEM+ 1997. [DOI: 10.1007/bf02763600] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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29
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Balabin IA, Onuchic JN. Connection between Simple Models and Quantum Chemical Models for Electron-Transfer Tunneling Matrix Element Calculations: A Dyson's Equations-Based Approach. ACTA ACUST UNITED AC 1996. [DOI: 10.1021/jp953568g] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ilya A. Balabin
- Department of Physics, University of California at San Diego, 9500 Gilman Drive, La Jolla, California 92093-0319
| | - José Nelson Onuchic
- Department of Physics, University of California at San Diego, 9500 Gilman Drive, La Jolla, California 92093-0319
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Neyhart GA, Timpson CJ, Bates WD, Meyer TJ. Solvent-Induced Electron Transfer and Electronic Delocalization in Mixed-Valence Complexes. Spectral Properties. J Am Chem Soc 1996. [DOI: 10.1021/ja9535672] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Gregory A. Neyhart
- Contribution from the Department of Chemistry, The University of North Carolina, Chapel Hill, North Carolina 27599-3290
| | - Cliff J. Timpson
- Contribution from the Department of Chemistry, The University of North Carolina, Chapel Hill, North Carolina 27599-3290
| | - W. Douglas Bates
- Contribution from the Department of Chemistry, The University of North Carolina, Chapel Hill, North Carolina 27599-3290
| | - Thomas J. Meyer
- Contribution from the Department of Chemistry, The University of North Carolina, Chapel Hill, North Carolina 27599-3290
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Zeng J, Hush NS, Reimers JR. Solvent Effects on Molecular and Ionic Spectra. 7. Modeling the Absorption and Electroabsorption Spectra of Pentaammine- ruthenium(II) Pyrazine and Its Conjugate Acid in Water. J Am Chem Soc 1996. [DOI: 10.1021/ja952993k] [Citation(s) in RCA: 80] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- J. Zeng
- Contribution from the Department of Physical and Theoretical Chemistry and Department of Biochemistry, University of Sydney, NSW 2006, Australia
| | - N. S. Hush
- Contribution from the Department of Physical and Theoretical Chemistry and Department of Biochemistry, University of Sydney, NSW 2006, Australia
| | - J. R. Reimers
- Contribution from the Department of Physical and Theoretical Chemistry and Department of Biochemistry, University of Sydney, NSW 2006, Australia
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Timpson CJ, Bignozzi CA, Sullivan BP, Kober EM, Meyer TJ. Influence of Solvent on the Spectroscopic Properties of Cyano Complexes of Ruthenium(II). ACTA ACUST UNITED AC 1996. [DOI: 10.1021/jp953179m] [Citation(s) in RCA: 132] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Cliff J. Timpson
- Department of Chemistry, University of North Carolina, Chapel Hill, North Carolina 27599-3290, Dipartimento di Chimica, Universita di Ferrara, via L. Borsari No. 46, 44100 Ferrara, Italy, and Theoretical Division, Los Alamos National Labs, Los Alamos, New Mexico 87545
| | - Carlo A. Bignozzi
- Department of Chemistry, University of North Carolina, Chapel Hill, North Carolina 27599-3290, Dipartimento di Chimica, Universita di Ferrara, via L. Borsari No. 46, 44100 Ferrara, Italy, and Theoretical Division, Los Alamos National Labs, Los Alamos, New Mexico 87545
| | - B. Patrick Sullivan
- Department of Chemistry, University of North Carolina, Chapel Hill, North Carolina 27599-3290, Dipartimento di Chimica, Universita di Ferrara, via L. Borsari No. 46, 44100 Ferrara, Italy, and Theoretical Division, Los Alamos National Labs, Los Alamos, New Mexico 87545
| | - Edward M. Kober
- Department of Chemistry, University of North Carolina, Chapel Hill, North Carolina 27599-3290, Dipartimento di Chimica, Universita di Ferrara, via L. Borsari No. 46, 44100 Ferrara, Italy, and Theoretical Division, Los Alamos National Labs, Los Alamos, New Mexico 87545
| | - Thomas J. Meyer
- Department of Chemistry, University of North Carolina, Chapel Hill, North Carolina 27599-3290, Dipartimento di Chimica, Universita di Ferrara, via L. Borsari No. 46, 44100 Ferrara, Italy, and Theoretical Division, Los Alamos National Labs, Los Alamos, New Mexico 87545
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Shin YGK, Brunschwig BS, Creutz C, Newton MD, Sutin N. Orbital Analysis of Metal-to-Ligand Charge Transfer and Oxidation in (NH3)5RuL2+ Complexes: Effective t2g Orbital Ordering and the Role of Ligand π and π* Orbitals. ACTA ACUST UNITED AC 1996. [DOI: 10.1021/jp9517817] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yeung-gyo K. Shin
- Chemistry Department, Brookhaven National Laboratory, P.O. Box 5000, Upton, New York 11973-5000
| | - Bruce S. Brunschwig
- Chemistry Department, Brookhaven National Laboratory, P.O. Box 5000, Upton, New York 11973-5000
| | - Carol Creutz
- Chemistry Department, Brookhaven National Laboratory, P.O. Box 5000, Upton, New York 11973-5000
| | - Marshall D. Newton
- Chemistry Department, Brookhaven National Laboratory, P.O. Box 5000, Upton, New York 11973-5000
| | - Norman Sutin
- Chemistry Department, Brookhaven National Laboratory, P.O. Box 5000, Upton, New York 11973-5000
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Electronic structure of donor-spacer-acceptor molecules of potential interest for molecular electronics. IV. Geometry and device properties of P3CNQ and Q3CNQ. Chem Phys 1995. [DOI: 10.1016/0301-0104(95)00137-d] [Citation(s) in RCA: 27] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Petrov E, Tolokh I, Demidenko A, Gorbach V. Electron-transfer properties of quantum molecular wires. Chem Phys 1995. [DOI: 10.1016/0301-0104(95)00426-o] [Citation(s) in RCA: 50] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Broo A, Zerner MC. Calculations of the absorption and emission spectra of p-N,N-dimethylaminobenzonitrile and analogues in solution. ACTA ACUST UNITED AC 1995. [DOI: 10.1007/bf01113543] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Crutchley RJ. Intervalence Charge Transfer and Electron Exchange Studies of Dinuclear Ruthenium Complexes. ADVANCES IN INORGANIC CHEMISTRY 1994. [DOI: 10.1016/s0898-8838(08)60174-9] [Citation(s) in RCA: 58] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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41
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Broo A. Electronic structure of donor-spacer-acceptor molecules of potential interest for molecular electronics. I. Donor-π-spacer-acceptor. Chem Phys 1993. [DOI: 10.1016/0301-0104(93)80072-h] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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42
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Broo A. Electronic structure of donor-spacer-acceptor molecules of potential interest for molecular electronics. II. Donor-σ spacer-acceptor. Chem Phys 1993. [DOI: 10.1016/0301-0104(93)80073-i] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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