101
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Belkova NV, Epstein LM, Filippov OA, Shubina ES. Hydrogen and Dihydrogen Bonds in the Reactions of Metal Hydrides. Chem Rev 2016; 116:8545-87. [PMID: 27285818 DOI: 10.1021/acs.chemrev.6b00091] [Citation(s) in RCA: 148] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The dihydrogen bond-an interaction between a transition-metal or main-group hydride (M-H) and a protic hydrogen moiety (H-X)-is arguably the most intriguing type of hydrogen bond. It was discovered in the mid-1990s and has been intensively explored since then. Herein, we collate up-to-date experimental and computational studies of the structural, energetic, and spectroscopic parameters and natures of dihydrogen-bonded complexes of the form M-H···H-X, as such species are now known for a wide variety of hydrido compounds. Being a weak interaction, dihydrogen bonding entails the lengthening of the participating bonds as well as their polarization (repolarization) as a result of electron density redistribution. Thus, the formation of a dihydrogen bond allows for the activation of both the MH and XH bonds in one step, facilitating proton transfer and preparing these bonds for further transformations. The implications of dihydrogen bonding in different stoichiometric and catalytic reactions, such as hydrogen exchange, alcoholysis and aminolysis, hydrogen evolution, hydrogenation, and dehydrogenation, are discussed.
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Affiliation(s)
- Natalia V Belkova
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences , Vavilov Street 28, 119991 Moscow, Russia
| | - Lina M Epstein
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences , Vavilov Street 28, 119991 Moscow, Russia
| | - Oleg A Filippov
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences , Vavilov Street 28, 119991 Moscow, Russia
| | - Elena S Shubina
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences , Vavilov Street 28, 119991 Moscow, Russia
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102
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Zhang S, Li H, Appel AM, Hall MB, Bullock RM. Facile P−C/C−H Bond‐Cleavage Reactivity of Nickel Bis(diphosphine) Complexes. Chemistry 2016; 22:9493-7. [DOI: 10.1002/chem.201601469] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2016] [Indexed: 11/07/2022]
Affiliation(s)
- Shaoguang Zhang
- Pacific Northwest National Laboratory P.O. Box 999, K2-12 Richland WA 99352 USA
| | - Haixia Li
- Department of Chemistry Texas A&M University College Station TX 77845 USA
| | - Aaron M. Appel
- Pacific Northwest National Laboratory P.O. Box 999, K2-12 Richland WA 99352 USA
| | - Michael B. Hall
- Department of Chemistry Texas A&M University College Station TX 77845 USA
| | - R. Morris Bullock
- Pacific Northwest National Laboratory P.O. Box 999, K2-12 Richland WA 99352 USA
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103
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Chen X, Jing Y, Yang X. Computational Design of Iron Diphosphine Complexes with Pendant Amines for Hydrogenation of CO2
to Methanol: A Mimic of [NiFe] Hydrogenase. Chemistry 2016; 22:8897-902. [DOI: 10.1002/chem.201600764] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2016] [Indexed: 11/06/2022]
Affiliation(s)
- Xiangyang Chen
- Beijing National Laboratory for Molecular Sciences; State Key Laboratory for Structural Chemistry of Unstable and Stable Species; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 P.R. China
- University of Chinese Academy of Sciences; Beijing 100049 P.R. China
| | - Yuanyuan Jing
- Beijing National Laboratory for Molecular Sciences; State Key Laboratory for Structural Chemistry of Unstable and Stable Species; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 P.R. China
| | - Xinzheng Yang
- Beijing National Laboratory for Molecular Sciences; 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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104
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Deng X, Dang Y, Wang ZX, Wang X. How Does an Earth-Abundant Copper-Based Catalyst Achieve Anti-Markovnikov Hydrobromination of Alkynes? A DFT Mechanistic Study. Organometallics 2016. [DOI: 10.1021/acs.organomet.6b00246] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Xi Deng
- School
of Chemistry and Chemical Engineering, University of the Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
| | - Yanfeng Dang
- School
of Chemistry and Chemical Engineering, University of the Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
| | - Zhi-Xiang Wang
- School
of Chemistry and Chemical Engineering, University of the Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, People’s Republic of China
| | - Xiaotai Wang
- Department
of Chemistry, University of Colorado Denver, Campus Box 194, P.O. Box 173364, Denver, Colorado 80217-3364, United States
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105
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Pruski M, Sadow AD, Slowing II, Marshall CL, Stair P, Rodriguez J, Harris A, Somorjai GA, Biener J, Matranga C, Wang C, Schaidle JA, Beckham GT, Ruddy DA, Deutsch T, Alia SM, Narula C, Overbury S, Toops T, Bullock RM, Peden CHF, Wang Y, Allendorf MD, Nørskov J, Bligaard T. Virtual Special Issue on Catalysis at the U.S. Department of Energy’s National Laboratories. ACS Catal 2016. [DOI: 10.1021/acscatal.6b00823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Yong Wang
- Pacific Northwest National Laboratory
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106
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Chen X, Yang X. Bioinspired Design and Computational Prediction of Iron Complexes with Pendant Amines for the Production of Methanol from CO2 and H2. J Phys Chem Lett 2016; 7:1035-1041. [PMID: 26937854 DOI: 10.1021/acs.jpclett.6b00161] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Inspired by the active site structure of [FeFe]-hydrogenase, we built a series of iron dicarbonyl diphosphine complexes with pendant amines and predicted their potentials to catalyze the hydrogenation of CO2 to methanol using density functional theory. Among the proposed iron complexes, [(P(tBu)2N(tBu)2H)FeH(CO)2(COOH)](+) (5COOH) is the most active one with a total free energy barrier of 23.7 kcal/mol. Such a low barrier indicates that 5COOH is a very promising low-cost catalyst for high-efficiency conversion of CO2 and H2 to methanol under mild conditions. For comparison, we also examined Bullock's Cp iron diphosphine complex with pendant amines, [(P(tBu)2N(tBu)2H)FeHCp(C5F4N)](+) (5Cp-C5F4N), as a catalyst for hydrogenation of CO2 to methanol and obtained a total free energy barrier of 27.6 kcal/mol, which indicates that 5Cp-C5F4N could also catalyze the conversion of CO2 and H2 to methanol but has a much lower efficiency than our newly designed iron complexes.
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Affiliation(s)
- Xiangyang Chen
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, People's Repubic of China
- University of Chinese Academy of Sciences , Beijing 100049, People's Repubic of China
| | - Xinzheng Yang
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190, People's Repubic of China
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107
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Affiliation(s)
- Robert H. Crabtree
- Department of Chemistry, Yale University, 225 Prospect Street, New Haven, Connecticut 06520-8107, United States
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108
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Abstract
Transition metal hydride complexes are usually amphoteric, not only acting as hydride donors, but also as Brønsted-Lowry acids. A simple additive ligand acidity constant equation (LAC for short) allows the estimation of the acid dissociation constant Ka(LAC) of diamagnetic transition metal hydride and dihydrogen complexes. It is remarkably successful in systematizing diverse reports of over 450 reactions of acids with metal complexes and bases with metal hydrides and dihydrogen complexes, including catalytic cycles where these reactions are proposed or observed. There are links between pKa(LAC) and pKa(THF), pKa(DCM), pKa(MeCN) for neutral and cationic acids. For the groups from chromium to nickel, tables are provided that order the acidity of metal hydride and dihydrogen complexes from most acidic (pKa(LAC) -18) to least acidic (pKa(LAC) 50). Figures are constructed showing metal acids above the solvent pKa scales and organic acids below to summarize a large amount of information. Acid-base features are analyzed for catalysts from chromium to gold for ionic hydrogenations, bifunctional catalysts for hydrogen oxidation and evolution electrocatalysis, H/D exchange, olefin hydrogenation and isomerization, hydrogenation of ketones, aldehydes, imines, and carbon dioxide, hydrogenases and their model complexes, and palladium catalysts with hydride intermediates.
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Affiliation(s)
- Robert H Morris
- Department of Chemistry, University of Toronto , 80 Saint George Street, Toronto, Ontario M5S 3H6, Canada
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109
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Darensbourg MY, Llobet A. Preface for Small Molecule Activation: From Biological Principles to Energy Applications. Part 3: Small Molecules Related to (Artificial) Photosynthesis. Inorg Chem 2016; 55:371-7. [PMID: 26782691 DOI: 10.1021/acs.inorgchem.5b02925] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Marcetta Y Darensbourg
- Department of Chemistry, Texas A&M University , College Station, Texas 77845, United States
| | - Antoni Llobet
- Departament de Quı́mica, Universitat Autònoma de Barcelona , Cerdanyola del Vallès, 08193 Barcelona, Spain
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110
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Dub PA, Scott BL, Gordon JC. First-row transition metal complexes of ENENES ligands: the ability of the thioether donor to impact the coordination chemistry. Dalton Trans 2016; 45:1560-71. [DOI: 10.1039/c5dt03855c] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The reactions of two variants of ENENES ligands, E(CH2)2NH(CH)2SR, where E = 4-morpholinyl, R = Ph (a), Bn (b) with MCl2 (M = Mn, Fe, Co, Ni and Cu) in coordinating solvents (MeCN, EtOH) affords isolable complexes, whose magnetic susceptibility measurements suggest paramagnetism and a high-spin formulation.
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Affiliation(s)
- Pavel A. Dub
- Chemistry Division
- Los Alamos National Laboratory
- Los Alamos
- USA
| | - Brian L. Scott
- Materials and Physics Applications Division
- Los Alamos National Laboratory
- Los Alamos
- USA
| | - John C. Gordon
- Chemistry Division
- Los Alamos National Laboratory
- Los Alamos
- USA
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111
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Stubbs JM, Bow JPJ, Hazlehurst RJ, Blacquiere JM. Catalytic cyclization and competitive deactivation with Ru(PR2NR′2) complexes. Dalton Trans 2016; 45:17100-17103. [DOI: 10.1039/c6dt03694e] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Cooperative ligands present the challenge of balancing productive catalytic cyclization with competitive deactivation.
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Affiliation(s)
- J. M. Stubbs
- Department of Chemistry
- University of Western Ontario
- London
- Canada
| | - J.-P. J. Bow
- Department of Chemistry
- University of Western Ontario
- London
- Canada
| | - R. J. Hazlehurst
- Department of Chemistry
- University of Western Ontario
- London
- Canada
| | - J. M. Blacquiere
- Department of Chemistry
- University of Western Ontario
- London
- Canada
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112
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Kandemir B, Chakraborty S, Guo Y, Bren KL. Semisynthetic and Biomolecular Hydrogen Evolution Catalysts. Inorg Chem 2015; 55:467-77. [DOI: 10.1021/acs.inorgchem.5b02054] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Banu Kandemir
- Department of Chemistry, University of Rochester, Rochester New York 14627-0216, United States
| | - Saikat Chakraborty
- Department of Chemistry, University of Rochester, Rochester New York 14627-0216, United States
| | - Yixing Guo
- Department of Chemistry, University of Rochester, Rochester New York 14627-0216, United States
| | - Kara L. Bren
- Department of Chemistry, University of Rochester, Rochester New York 14627-0216, United States
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113
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Raugei S, Helm ML, Hammes-Schiffer S, Appel AM, O’Hagan M, Wiedner ES, Bullock RM. Experimental and Computational Mechanistic Studies Guiding the Rational Design of Molecular Electrocatalysts for Production and Oxidation of Hydrogen. Inorg Chem 2015; 55:445-60. [DOI: 10.1021/acs.inorgchem.5b02262] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Simone Raugei
- Center for Molecular Electrocatalysis,
Physical Sciences Division, Pacific Northwest National Laboratory, P.O. Box 999, K2−12, Richland, Washington 99352, United States
| | - Monte L. Helm
- Center for Molecular Electrocatalysis,
Physical Sciences Division, Pacific Northwest National Laboratory, P.O. Box 999, K2−12, Richland, Washington 99352, United States
| | - Sharon Hammes-Schiffer
- Department of Chemistry, University of Illinois at Urbana—Champaign, 600 South Mathews Avenue, Urbana, Illinois 61801, United States
| | - Aaron M. Appel
- Center for Molecular Electrocatalysis,
Physical Sciences Division, Pacific Northwest National Laboratory, P.O. Box 999, K2−12, Richland, Washington 99352, United States
| | - Molly O’Hagan
- Center for Molecular Electrocatalysis,
Physical Sciences Division, Pacific Northwest National Laboratory, P.O. Box 999, K2−12, Richland, Washington 99352, United States
| | - Eric S. Wiedner
- Center for Molecular Electrocatalysis,
Physical Sciences Division, Pacific Northwest National Laboratory, P.O. Box 999, K2−12, Richland, Washington 99352, United States
| | - R. Morris Bullock
- Center for Molecular Electrocatalysis,
Physical Sciences Division, Pacific Northwest National Laboratory, P.O. Box 999, K2−12, Richland, Washington 99352, United States
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114
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Pegis ML, Roberts JAS, Wasylenko DJ, Mader EA, Appel AM, Mayer JM. Standard Reduction Potentials for Oxygen and Carbon Dioxide Couples in Acetonitrile and N,N-Dimethylformamide. Inorg Chem 2015; 54:11883-8. [PMID: 26640971 DOI: 10.1021/acs.inorgchem.5b02136] [Citation(s) in RCA: 133] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
A variety of next-generation energy processes utilize the electrochemical interconversions of dioxygen and water as the oxygen reduction reaction (ORR) and the oxygen evolution reaction (OER). Reported here are the first estimates of the standard reduction potential of the O2 + 4e(-) + 4H(+) ⇋ 2H2O couple in organic solvents. The values are +1.21 V in acetonitrile (MeCN) and +0.60 V in N,N-dimethylformamide (DMF), each versus the ferrocenium/ferrocene couple (Fc(+/0)) in the respective solvent (as are all of the potentials reported here). The potentials have been determined using a thermochemical cycle that combines the free energy for transferring water from aqueous solution to organic solvent, -0.43 kcal mol(-1) for MeCN and -1.47 kcal mol(-1) for DMF, and the potential of the H(+)/H2 couple, - 0.028 V in MeCN and -0.662 V in DMF. The H(+)/H2 couple in DMF has been directly measured electrochemically using the previously reported procedure for the MeCN value. The thermochemical approach used for the O2/H2O couple has been extended to the CO2/CO and CO2/CH4 couples to give values of -0.12 and +0.15 V in MeCN and -0.73 and -0.48 V in DMF, respectively. Extensions to other reduction potentials are discussed. Additionally, the free energy for transfer of protons from water to organic solvent is estimated as +14 kcal mol(-1) for acetonitrile and +0.6 kcal mol(-1) for DMF.
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Affiliation(s)
- Michael L Pegis
- Department of Chemistry, Yale University , PO Box 208107, New Haven, Connecticut 06520-8107, United States
| | - John A S Roberts
- Center for Molecular Electrocatalysis, Pacific Northwest National Laboratory , P.O. Box 999 (K2-57), Richland, Washington 99352, United States
| | - Derek J Wasylenko
- Department of Chemistry, University of Washington , Campus Box 351700, Seattle, Washington 98195-1700, United States
| | - Elizabeth A Mader
- Department of Chemistry, Yale University , PO Box 208107, New Haven, Connecticut 06520-8107, United States
| | - Aaron M Appel
- Center for Molecular Electrocatalysis, Pacific Northwest National Laboratory , P.O. Box 999 (K2-57), Richland, Washington 99352, United States
| | - James M Mayer
- Department of Chemistry, Yale University , PO Box 208107, New Haven, Connecticut 06520-8107, United States
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115
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Hulley EB, Kumar N, Raugei S, Bullock RM. Manganese-Based Molecular Electrocatalysts for Oxidation of Hydrogen. ACS Catal 2015. [DOI: 10.1021/acscatal.5b01751] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Elliott B. Hulley
- Center for Molecular Electrocatalysis,
Physical Sciences Division, Pacific Northwest National Laboratory, P.O. Box 999, K2-12, Richland, Washington 99352, United States
| | - Neeraj Kumar
- Center for Molecular Electrocatalysis,
Physical Sciences Division, Pacific Northwest National Laboratory, P.O. Box 999, K2-12, Richland, Washington 99352, United States
| | - Simone Raugei
- Center for Molecular Electrocatalysis,
Physical Sciences Division, Pacific Northwest National Laboratory, P.O. Box 999, K2-12, Richland, Washington 99352, United States
| | - R. Morris Bullock
- Center for Molecular Electrocatalysis,
Physical Sciences Division, Pacific Northwest National Laboratory, P.O. Box 999, K2-12, Richland, Washington 99352, United States
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