101
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Song LC, Wang LX, Jia GJ, Li QL, Ming JB. Synthesis, Structural Characterization, and Properties of Some Functionalized Phosphine-Containing Diiron Complexes As Models for the Active Site of [FeFe]-Hydrogenases. Organometallics 2012. [DOI: 10.1021/om300418z] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Li-Cheng Song
- Department of Chemistry, State Key
Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
| | - Liang-Xing Wang
- Department of Chemistry, State Key
Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
| | - Guo-Jun Jia
- Department of Chemistry, State Key
Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
| | - Qian-Li Li
- Department of Chemistry, State Key
Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
| | - Jiang-Bo Ming
- Department of Chemistry, State Key
Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
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102
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Bingaman JL, Kohnhorst CL, Van Meter GA, McElroy BA, Rakowski EA, Caplins BW, Gutowski TA, Stromberg CJ, Webster CE, Heilweil EJ. Time-Resolved Vibrational Spectroscopy of [FeFe]-Hydrogenase Model Compounds. J Phys Chem A 2012; 116:7261-71. [DOI: 10.1021/jp2121774] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Jamie L. Bingaman
- Department of Chemistry and Physics, Hood College, 401 Rosemont Avenue, Frederick, Maryland
21701-8524, United States
| | - Casey L. Kohnhorst
- Department of Chemistry and Physics, Hood College, 401 Rosemont Avenue, Frederick, Maryland
21701-8524, United States
| | - Glenn A. Van Meter
- Department of Chemistry and Physics, Hood College, 401 Rosemont Avenue, Frederick, Maryland
21701-8524, United States
| | - Brent A. McElroy
- Department of Chemistry and Physics, Hood College, 401 Rosemont Avenue, Frederick, Maryland
21701-8524, United States
| | - Elizabeth A. Rakowski
- Department of Chemistry and Physics, Hood College, 401 Rosemont Avenue, Frederick, Maryland
21701-8524, United States
| | - Benjamin W. Caplins
- Department of Chemistry and Physics, Hood College, 401 Rosemont Avenue, Frederick, Maryland
21701-8524, United States
| | - Tiffany A. Gutowski
- Department of Chemistry and Physics, Hood College, 401 Rosemont Avenue, Frederick, Maryland
21701-8524, United States
| | - Christopher J. Stromberg
- Department of Chemistry and Physics, Hood College, 401 Rosemont Avenue, Frederick, Maryland
21701-8524, United States
| | - Charles Edwin Webster
- Department of Chemistry, The University of Memphis, 213 Smith
Chemistry Building, Memphis, Tennessee 38152-3550, United States
| | - Edwin J. Heilweil
- Radiation and Biomolecular Physics Division, Physical Measurement
Laboratory, National Institute of Standards and Technology, 100 Bureau Drive, Gaithersburg, Maryland 20899-8443, United States
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103
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Synthesis, crystal structure and electrocatalysis of 1,2-ene dithiolate bridged diiron carbonyl complexes in relevance to the active site of [FeFe]-hydrogenases. J Organomet Chem 2012. [DOI: 10.1016/j.jorganchem.2012.01.021] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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104
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Leidel N, Chernev P, Havelius KGV, Ezzaher S, Ott S, Haumann M. Site-Selective X-ray Spectroscopy on an Asymmetric Model Complex of the [FeFe] Hydrogenase Active Site. Inorg Chem 2012; 51:4546-59. [DOI: 10.1021/ic2024154] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Nils Leidel
- Freie Universität Berlin, Institut für Experimentalphysik, 14195
Berlin, Germany
| | - Petko Chernev
- Freie Universität Berlin, Institut für Experimentalphysik, 14195
Berlin, Germany
| | - Kajsa G. V. Havelius
- Freie Universität Berlin, Institut für Experimentalphysik, 14195
Berlin, Germany
| | - Salah Ezzaher
- University of Uppsala, Department of Chemistry, Ångström
Laboratories, 75120
Uppsala, Sweden
| | - Sascha Ott
- University of Uppsala, Department of Chemistry, Ångström
Laboratories, 75120
Uppsala, Sweden
| | - Michael Haumann
- Freie Universität Berlin, Institut für Experimentalphysik, 14195
Berlin, Germany
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105
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Wang W, Rauchfuss TB, Bertini L, Zampella G. Unsensitized Photochemical Hydrogen Production Catalyzed by Diiron Hydrides. J Am Chem Soc 2012; 134:4525-8. [DOI: 10.1021/ja211778j] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Wenguang Wang
- School of Chemical Sciences, University of Illinois, Urbana, Illinois 61801, United States
| | - Thomas B. Rauchfuss
- School of Chemical Sciences, University of Illinois, Urbana, Illinois 61801, United States
| | - Luca Bertini
- Department
of Biotechnology and Biosciences, University of Milano—Bicocca, Piazza della Scienza
2, 20126-Milan, Italy
| | - Giuseppe Zampella
- Department
of Biotechnology and Biosciences, University of Milano—Bicocca, Piazza della Scienza
2, 20126-Milan, Italy
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106
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Wright RJ, Zhang W, Yang X, Fasulo M, Tilley TD. Isolation, observation, and computational modeling of proposed intermediates in catalyticprotonreductions with the hydrogenase mimic Fe2(CO)6S2C6H4. Dalton Trans 2012; 41:73-82. [DOI: 10.1039/c1dt11428j] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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107
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Frederix PWJM, Kania R, Wright JA, Lamprou DA, Ulijn RV, Pickett CJ, Hunt NT. Encapsulating [FeFe]-hydrogenase model compounds in peptide hydrogels dramatically modifies stability and photochemistry. Dalton Trans 2012; 41:13112-9. [DOI: 10.1039/c2dt30307h] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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108
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Wen HM, Wang JY, Hu MQ, Li B, Chen ZN, Chen CN. Photoswitchable electrochemical behaviour of a [FeFe] hydrogenase model with a dithienylethene derivative. Dalton Trans 2012; 41:11813-9. [DOI: 10.1039/c2dt31507f] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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109
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Song LC, Sun XJ, Zhao PH, Li JP, Song HB. Synthesis, characterization and some properties of mononuclear Ni and trinuclear NiFe2 complexes related to the active site of [NiFe]-hydrogenases. Dalton Trans 2012; 41:8941-50. [DOI: 10.1039/c2dt30609c] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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110
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Cui HH, Hu MQ, Wen HM, Chai GL, Ma CB, Chen H, Chen CN. Efficient [FeFe] hydrogenase mimic dyads covalently linking to iridium photosensitizer for photocatalytic hydrogen evolution. Dalton Trans 2012; 41:13899-907. [DOI: 10.1039/c2dt31618h] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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111
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Daraosheh AQ, Apfel U, Görls H, Friebe C, Schubert US, El‐khateeb M, Mloston G, Weigand W. New Approach to [FeFe]‐Hydrogenase Models Using Aromatic Thioketones. Eur J Inorg Chem 2011. [DOI: 10.1002/ejic.201101032] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Ahmad Q. Daraosheh
- Institut für Anorganische und Analytische Chemie, Friedrich‐Schiller‐Universität, Humboldtstraße 8, 07743 Jena, Germany, Fax: +49‐3641‐948102
| | - Ulf‐Peter Apfel
- Institut für Anorganische und Analytische Chemie, Friedrich‐Schiller‐Universität, Humboldtstraße 8, 07743 Jena, Germany, Fax: +49‐3641‐948102
- Current address: Department of Chemistry, MassachusettsInstitute of Technology, Cambridge, MA 02139, USA
| | - Helmar Görls
- Institut für Anorganische und Analytische Chemie, Friedrich‐Schiller‐Universität, Humboldtstraße 8, 07743 Jena, Germany, Fax: +49‐3641‐948102
| | - Christian Friebe
- Laboratory of Organic and Macromolecular Chemistry (IOMC) and Jena Center for Soft Matter (JCSM), Friedrich‐Schiller‐Universität Jena, Humboldtstr. 10, 07743 Jena, Germany
| | - Ulrich S. Schubert
- Laboratory of Organic and Macromolecular Chemistry (IOMC) and Jena Center for Soft Matter (JCSM), Friedrich‐Schiller‐Universität Jena, Humboldtstr. 10, 07743 Jena, Germany
| | - Mohammad El‐khateeb
- Faculty of Science and Arts at Alkamil, King Abdul Aziz University, P. O. Box 110, Alkamil 21931, Kingdom of Saudi Arabia
- Permanent address: Chemistry Department, Jordan University of Science and Technology, P. O. Box 3030, Irbid 22110, Jordan
| | - Grzegorz Mloston
- University of Lodz, Department of Organic and Applied Chemistry, Tamka 12, 91‐403 Lodz, Poland
| | - Wolfgang Weigand
- Institut für Anorganische und Analytische Chemie, Friedrich‐Schiller‐Universität, Humboldtstraße 8, 07743 Jena, Germany, Fax: +49‐3641‐948102
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112
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Mebi CA, Karr DS, Gao R. Diironhexacarbonyl clusters with imide and amine ligands: hydrogen evolution catalysts. J COORD CHEM 2011. [DOI: 10.1080/00958972.2011.638714] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Affiliation(s)
- Charles A. Mebi
- a Department of Physical Sciences , Arkansas Tech University , Russellville , AR , USA
| | - Derek S. Karr
- a Department of Physical Sciences , Arkansas Tech University , Russellville , AR , USA
| | - Ruixiao Gao
- a Department of Physical Sciences , Arkansas Tech University , Russellville , AR , USA
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113
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Xu F, Du S, Liu Y, Hassan J, Zhang J, Bond AM. Synthesis and characterization of diiron dithiolate complexes containing a quinoxaline bridge. Dalton Trans 2011; 40:10907-17. [PMID: 21879091 DOI: 10.1039/c1dt10953g] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A potential model complex for the hydrogenase active site, [Fe(2){(μ-CH(2)S)(2)R}(CO)(6)] (1) (R = quinoxaline), was synthesized by condensation of [(μ-LiS)(2)Fe(2)(CO)(6)] with 2,3-bis(bromomethyl)quinoxaline. Reactions of 1 with bis(diphenylphosphino)methane (dppm) under a range of conditions yielded substituted complexes [Fe(2){(μ-CH(2)S)(2)R}(CO)(5)(dppm)] (2), [Fe(2){(μ-CH(2)S)(2)R}(CO)(4)(k(2)-dppm)] (3) and [Fe(2){(μ-CH(2)S)(2)R}(CO)(4)(μ-dppm)] (4). X-ray crystallography confirms that in 2, the dppm is terminally bonded to an iron atom via one phosphorus atom, whereas in 3, it acts as a chelating ligand to coordinate to an iron center in a dibasal-substituted manner. In 4, the dppm bridges the two iron atoms in a cis basal/basal fashion with one phosphorus bonded to each iron atom. Treatment of 1 with various tertiary phosphines at room temperature in acetonitrile (MeCN) generates a range of mono-substituted products [Fe(2){(μ-CH(2)S)(2)R}(CO)(5)L] (5, L = PEt(3); 6, PMe(3); 7, PPh(3); 8, Me(2)PPh). With Bu(t)NC, mono- and di-substituted [Fe(2){(μ-CH(2)S)(2)R}(CO)(5)(Bu(t)NC)] (9) and [Fe(2){(μ-CH(2)S)(2)R}(CO)(4)(Bu(t)NC)(2)] (10) complexes are generated. All the complexes were characterized by elemental analysis, IR, MS and NMR spectroscopy. IR and NMR spectroscopic studies suggest that addition of excess HBF(4)·OEt(2) acid to 1-4 led to the protonation of quinoxaline nitrogen atoms. In contrast, 5-10 were not stable in acidic media. Electrochemistry of 1-4 was investigated in the acetonitrile medium (0.1 M Bu(4)NPF(6)). The electrochemical instability of the reduced ligand, quinoxaline, and the reduced forms of these complexes revealed from the electrochemical studies suggests that they do not provide ideal models of the hydrogenase active site.
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Affiliation(s)
- Fenfen Xu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
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114
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Ligand rearrangement and oxidation during preparation of diiron hydrogenase active site models [(μ-SCH2)2NCH2CO2Me]Fe2(CO)5(Ph2PNHPy-4) and [(μ-SCH2)2NCH2CO2Me]Fe2(CO)5[Ph2PP(O)Ph2]. Inorganica Chim Acta 2011. [DOI: 10.1016/j.ica.2011.09.012] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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115
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Kilgore UJ, Stewart MP, Helm ML, Dougherty WG, Kassel WS, DuBois MR, DuBois DL, Bullock RM. Studies of a Series of [Ni(PR2NPh2)2(CH3CN)]2+ Complexes as Electrocatalysts for H2 Production: Substituent Variation at the Phosphorus Atom of the P2N2 Ligand. Inorg Chem 2011; 50:10908-18. [DOI: 10.1021/ic201461a] [Citation(s) in RCA: 125] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Uriah J. Kilgore
- Center for Molecular Electrocatalysis, Pacific Northwest National Laboratory, P.O. Box 999, K2-57, Richland, Washington 99352, United States
| | - Michael P. Stewart
- Center for Molecular Electrocatalysis, Pacific Northwest National Laboratory, P.O. Box 999, K2-57, Richland, Washington 99352, United States
| | - Monte L. Helm
- Center for Molecular Electrocatalysis, Pacific Northwest National Laboratory, P.O. Box 999, K2-57, Richland, Washington 99352, United States
- Department of Chemistry, Fort Lewis College, Durango, Colorado 81301
| | - William G. Dougherty
- Department of Chemistry, Villanova University, Villanova, Pennsylvania 19085, United States
| | - W. Scott Kassel
- Department of Chemistry, Villanova University, Villanova, Pennsylvania 19085, United States
| | - Mary Rakowski DuBois
- Center for Molecular Electrocatalysis, Pacific Northwest National Laboratory, P.O. Box 999, K2-57, Richland, Washington 99352, United States
| | - Daniel L. DuBois
- Center for Molecular Electrocatalysis, Pacific Northwest National Laboratory, P.O. Box 999, K2-57, Richland, Washington 99352, United States
| | - R. Morris Bullock
- Center for Molecular Electrocatalysis, Pacific Northwest National Laboratory, P.O. Box 999, K2-57, Richland, Washington 99352, United States
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116
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Gao W, Song LC, Yin BS, Zan HN, Wang DF, Song HB. Synthesis and Characterization of Single, Double, and Triple Butterfly [2Fe2E] (E = Se, S) Cluster Complexes Related to the Active Site of [FeFe]-Hydrogenases. Organometallics 2011. [DOI: 10.1021/om200395g] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Wei Gao
- Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
| | - Li-Cheng Song
- Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
| | - Bang-Shao Yin
- Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
| | - Hui-Ning Zan
- Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
| | - De-Fu Wang
- Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
| | - Hai-Bin Song
- Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
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117
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Yu L, Greco C, Bruschi M, Ryde U, De Gioia L, Reiher M. Targeting intermediates of [FeFe]-hydrogenase by CO and CN vibrational signatures. Inorg Chem 2011; 50:3888-900. [PMID: 21443182 DOI: 10.1021/ic102039z] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
In this work, we employ density functional theory to assign vibrational signatures of [FeFe]-hydrogenase intermediates to molecular structures. For this purpose, we perform an exhaustive analysis of structures and harmonic vibrations of a series of CN and CO containing model clusters of the [FeFe]-hydrogenase enzyme active site considering also different charges, counterions, and solvents. The pure density functional BP86 in combination with a triple-ζ polarized basis set produce reliable molecular structures as well as harmonic vibrations. Calculated CN and CO stretching vibrations are analyzed separately. Scaled vibrational frequencies are then applied to assign intermediates in [FeFe]-hydrogenase's reaction cycle. The results nicely complement the previous studies of Darensbourg and Hall, and Zilberman et al. The infrared spectrum of the H(ox) form is in very good agreement with the calculated spectrum of the Fe(I)Fe(II) model complex featuring a free coordination site at the distal Fe atom, as well as, with the calculated spectra of the complexes in which H(2) or H(2)O are coordinated at this site. The spectrum of H(red) measured from Desulfovibrio desulfuricans is compatible with a mixture of a Fe(I)Fe(I) species with all terminal COs, and a Fe(I)Fe(I) species with protonated dtma ligand, while the spectrum of H(red) recently measured from Chlamydomonas reinhardtii is compatible with a mixture of a Fe(I)Fe(I) species with a bridged CO, and a Fe(II)Fe(II) species with a terminal hydride bound to the Fe atom.
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Affiliation(s)
- Lian Yu
- Laboratorium für Physikalische Chemie, ETH Zürich, Wolfgang-Pauli-Strasse 10, CH-8093 Zürich, Switzerland
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118
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Galinato MGI, Whaley CM, Roberts D, Wang P, Lehnert N. Favorable Protonation of the (μ-edt)[Fe(2)(PMe(3))(4)(CO)(2)(H-terminal)](+) Hydrogenase Model Complex Over Its Bridging μ-H Counterpart: A Spectroscopic and DFT Study. Eur J Inorg Chem 2011; 2011:1147-1154. [PMID: 23162378 PMCID: PMC3498055 DOI: 10.1002/ejic.201001037] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2010] [Indexed: 11/11/2022]
Abstract
The mechanism of hydrogen production in [FeFe] hydrogenase remains elusive. However, a species featuring a terminal hydride bound to the distal Fe is thought to be the key intermediate leading to hydrogen production. In this study, density functional theory (DFT) calculations on the terminal (H-term) and bridging (μ-H) hydride isomers of (μ-edt)-[Fe(2)(PMe(3))(4)(CO)(2)H](+) are presented in order to understand the factors affecting their propensity for protonation. Relative to H-term, μ-H is 12.7 kcal/mol more stable, which contributes to its decreased reactivity towards an acid. Potential energy surface (PES) calculations for the reaction of the H-term isomer with 4-nitropyridinium, a proton source, further reveal a lower activation energy barrier (14.5 kcal/mol) for H-term than for μ-H (29 kcal/mol). Besides these energetic considerations, the H-term isomer displays a key molecular orbital (MO <139>) that has a relatively strong hydride (1s) contribution (23%), which is not present in the μ-H isomer. This indicates a potential orbital control of the reaction of the hydride complexes with acid. The lower activation energy barrier and this key MO together control the overall catalytic activity of (μ-edt)[Fe(2)(PMe(3))(4)(CO)(2)(H-term)](+). Lastly, Raman and IR spectroscopy were performed in order to probe the ν(Fe-H) stretching mode of the two isomers and their deuterated counterparts. A ν(Fe-H) stretching mode was observed for the μ-H complex at 1220 cm(-1). However, the corresponding mode is not observed for the less stable H-term isomer.
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Affiliation(s)
| | - C. Matthew Whaley
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - Dean Roberts
- Bruker Optics Inc. 19 Fortune Drive, Manning Park, Billerica, MA 01821, USA
| | - Peng Wang
- Bruker Optics Inc. 19 Fortune Drive, Manning Park, Billerica, MA 01821, USA
| | - Nicolai Lehnert
- Department of Chemistry, University of Michigan, Ann Arbor, MI 48109, USA
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119
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Hong G, Cornish AJ, Hegg EL, Pachter R. On understanding proton transfer to the biocatalytic [Fe-Fe](H) sub-cluster in [Fe-Fe]H(2)ases: QM/MM MD simulations. BIOCHIMICA ET BIOPHYSICA ACTA-BIOENERGETICS 2011; 1807:510-7. [PMID: 21296047 DOI: 10.1016/j.bbabio.2011.01.011] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2010] [Revised: 01/26/2011] [Accepted: 01/31/2011] [Indexed: 11/19/2022]
Abstract
Proton transfer to the [Fe-Fe](H) sub-cluster in the Desulfovibrio desulfuricans (DdH) and Clostridium pasteurianum (CpI) [Fe-Fe] hydrogenases was investigated by a combination of first principles and empirical molecular dynamics simulations. Pathways that can be inferred from the X-ray crystal structures of DdH and CpI, i.e., (Glu159→Ser198→Glu156→water460→Cys178→DTMA([Fe-Fe](H)) and (Glu282→Ser319→Glu279→water612→Cys299), respectively, were considered. Proton transfer from Cys178 to DTMA in the [Fe-Fe](H) sub-cluster in DdH was readily observed in our results, specifically when [Fe-Fe](H) was in the reduced state ([Fe(I)-Fe(I)]) or in the mixed valence state for the protonated distal iron Fe(d) ([Fe(I)-Fe(II)-H(-)](H)). A concerted mechanism is proposed, where proton transfer in DdH from Glu159 to Glu156 via Ser198 and Glu156 to Cys178 via water460 readily occurred, as well as from Glu282 to Glu279 via Ser319 and Glu279 to Cys299 via water612 in CpI. The theoretical prediction of the proton transfer characteristics is consistent with the assumed biocatalytic mechanism of the [Fe-Fe] hydrogenases in which the proton binds at Fe(d), providing confirmation that has not been explored so far. The computational results were qualitatively validated by the agreement with experimental hydrogen production activity data for mutated CpI enzymes, relative to the wild-type protein. Finally, the insight provided by the simulations, combined, in part, with experimental validation, are important for establishing an approach in future exploration of proton transfer to the active site in this class of enzymes, and possibly also for biomimetic analogs.
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Affiliation(s)
- G Hong
- Air Force Research Laboratory, Materials and Manufacturing Directorate, Wright-Patterson Air Force Base, OH 45433, USA
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120
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Streich D, Karnahl M, Astuti Y, Cady CW, Hammarström L, Lomoth R, Ott S. Comparing the Reactivity of Benzenedithiolate- versus Alkyldithiolate-Bridged Fe2(CO)6 Complexes with Competing Ligands. Eur J Inorg Chem 2011. [DOI: 10.1002/ejic.201001152] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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121
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Liu YC, Lee CH, Lee GH, Chiang MH. Influence of a Redox-Active Phosphane Ligand on the Oxidations of a Diiron Core Related to the Active Site of Fe-Only Hydrogenase. Eur J Inorg Chem 2011. [DOI: 10.1002/ejic.201000972] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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122
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Wang M, Chen L, Li X, Sun L. Approaches to efficient molecular catalyst systems for photochemical H2 production using [FeFe]-hydrogenase active site mimics. Dalton Trans 2011; 40:12793-800. [DOI: 10.1039/c1dt11166c] [Citation(s) in RCA: 106] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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123
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Dance I. Calculated vibrational frequencies for FeMo-co, the active site of nitrogenase, bearing hydrogen atoms and carbon monoxide. Dalton Trans 2011; 40:6480-9. [DOI: 10.1039/c1dt10505a] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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124
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Apfel UP, Halpin Y, Görls H, Vos JG, Weigand W. Influence of the Introduction of Cyanido and Phosphane Ligands in Multifunctionalized (Mercaptomethyl)silane [FeFe] Hydrogenase Model Systems. Eur J Inorg Chem 2010. [DOI: 10.1002/ejic.201000918] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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125
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Binuclear Iron(I) Complex Containing Bridging Phenanthrene-4,5-dithiolate Ligand: Preparation, Spectroscopy, Crystal Structure, and Electrochemistry. Z Anorg Allg Chem 2010. [DOI: 10.1002/zaac.201000236] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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126
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127
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Harb MK, Görls H, Sakamoto T, Felton GAN, Evans DH, Glass RS, Lichtenberger DL, El-khateeb M, Weigand W. Synthesis and Characterization of [FeFe]-Hydrogenase Models with Bridging Moieties Containing (S, Se) and (S, Te). Eur J Inorg Chem 2010. [DOI: 10.1002/ejic.201000278] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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128
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Huo F, Hou J, Chen G, Guo D, Peng X. [FeFe]-Hydrogenase Models: Overpotential Control for Electrocatalytic H2 Production by Tuning of the Ligand π-Acceptor Ability. Eur J Inorg Chem 2010. [DOI: 10.1002/ejic.201000304] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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129
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Song LC, Mei SZ, Feng CP, Gong FH, Ge JH, Hu QM. Reactions of Monoanions [(μ-RE)(μ-E)Fe2(CO)6]− and Dianions [(μ-E)2Fe2(CO)6]2− (E = Se, S) with N-Substituted Benzimidoyl Chlorides, Leading to Novel Butterfly Fe/E Cluster Complexes. Organometallics 2010. [DOI: 10.1021/om1002655] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Li-Cheng Song
- Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, People’s Republic of China
| | - Shu-Zhen Mei
- Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, People’s Republic of China
| | - Cui-Ping Feng
- Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, People’s Republic of China
| | - Feng-Hua Gong
- Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, People’s Republic of China
| | - Jian-Hua Ge
- Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, People’s Republic of China
| | - Qing-Mei Hu
- Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, People’s Republic of China
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130
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Liu YC, Tu LK, Yen TH, Lee GH, Yang ST, Chiang MH. Secondary Coordination Sphere Interactions within the Biomimetic Iron Azadithiolate Complexes Related to Fe-Only Hydrogenase: Dynamic Measure of Electron Density about the Fe Sites. Inorg Chem 2010; 49:6409-20. [DOI: 10.1021/ic100484a] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Yu-Chiao Liu
- Institute of Chemistry, Academia Sinica, Nankang, Taipei 115, Taiwan
| | - Ling-Kuang Tu
- Institute of Chemistry, Academia Sinica, Nankang, Taipei 115, Taiwan
| | - Tao-Hung Yen
- Institute of Chemistry, Academia Sinica, Nankang, Taipei 115, Taiwan
| | - Gene-Hsiang Lee
- Instrumentation Center, National Taiwan University, Taipei 106, Taiwan
| | - Shu-Ting Yang
- Institute of Chemistry, Academia Sinica, Nankang, Taipei 115, Taiwan
| | - Ming-Hsi Chiang
- Institute of Chemistry, Academia Sinica, Nankang, Taipei 115, Taiwan
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131
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Wang WG, Wang F, Wang HY, Si G, Tung CH, Wu LZ. Photocatalytic Hydrogen Evolution by [FeFe] Hydrogenase Mimics in Homogeneous Solution. Chem Asian J 2010; 5:1796-803. [DOI: 10.1002/asia.201000087] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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132
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Windhager J, Apfel UP, Yoshino T, Nakata N, Görls H, Rudolph M, Ishii A, Weigand W. Reactions of 7,8-Dithiabicyclo[4.2.1]nona-2,4-diene 7-exo-Oxide with Dodecacarbonyl Triiron Fe3(CO)12: A Novel Type of Sulfenato Thiolato Diiron Hexacarbonyl Complexes. Chem Asian J 2010; 5:1600-10. [DOI: 10.1002/asia.200900733] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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133
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Bertini L, Greco C, Bruschi M, Fantucci P, De Gioia L. CO Affinity and Bonding Properties of [FeFe] Hydrogenase Active Site Models. A DFT Study. Organometallics 2010. [DOI: 10.1021/om900658b] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Luca Bertini
- Department of Biotechnology and Biosciences, Università degli Studi di Milano-Bicocca, Piazza della Scienza, 2, 20126 Milan, Italy
| | - Claudio Greco
- Department of Biotechnology and Biosciences, Università degli Studi di Milano-Bicocca, Piazza della Scienza, 2, 20126 Milan, Italy
| | - Maurizio Bruschi
- Department of Environmental Sciences, Università degli Studi di Milano-Bicocca, Piazza della Scienza, 1, 20126 Milan, Italy
| | - Piercarlo Fantucci
- Department of Biotechnology and Biosciences, Università degli Studi di Milano-Bicocca, Piazza della Scienza, 2, 20126 Milan, Italy
| | - Luca De Gioia
- Department of Biotechnology and Biosciences, Università degli Studi di Milano-Bicocca, Piazza della Scienza, 2, 20126 Milan, Italy
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134
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Galinato MGI, Whaley CM, Lehnert N. Vibrational analysis of the model complex (mu-edt)[Fe(CO)(3)](2) and comparison to iron-only hydrogenase: the activation scale of hydrogenase model systems. Inorg Chem 2010; 49:3201-15. [PMID: 20225804 PMCID: PMC2860110 DOI: 10.1021/ic9022135] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Research on simple [FeFe] hydrogenase model systems of type (mu-S(2)R)[Fe(CO)(3)](2) (R = C(2)H(4) (edt), C(3)H(6) (pdt)) which have been shown to function as robust electrocatalysts for proton reduction, provides a reference to understand the electronic and vibrational properties of the active site of [FeFe] hydrogenases and of more sophisticated model systems. In this study, the solution and solid state Raman spectra of (mu-edt)[Fe(CO)(3)](2) and of the corresponding (13)CO-labeled complex are presented and analyzed in detail, with focus on the nu(C=O) and nu(Fe-CO)/delta(Fe-C=O) vibrational regions. These regions are specifically important as vibrations involving CO ligands serve as probes for the "electron richness" of low-valent transition metal centers and the geometric structures of the complexes. The obtained vibrational spectra have been completely assigned in terms of the nu(C=O), nu(Fe-CO), and delta(Fe-C=O) modes, and the force constants of the important C=O and Fe-CO bonds have been determined using our Quantum Chemistry Centered Normal Coordinate Analysis (QCC-NCA). In the 400-650 cm(-1) region, fifteen mixed nu(Fe-CO)/delta(Fe-C=O) modes have been identified. The most prominent Raman peaks at 454, 456, and 483 cm(-1) correspond to a combination of nu(Fe-CO) stretching and delta(Fe-C=O) linear bending modes. The less intense peaks at 416 cm(-1) and 419 cm(-1) correspond to pure delta(Fe-C=O) linear bends. In the nu(C=O) region, the nu(C=O) normal modes at lower energy (1968 and 1964 cm(-1)) are almost pure equatorial (eq) nu(C=O)(eq) stretching vibrations, whereas the remaining four nu(C=O) normal modes show dominant (C=O)(eq) (2070 and 1961 cm(-1)) and (C=O)(ax) (2005 and 1979 cm(-1); ax = axial) contributions. Importantly, an inverse correlation between the f(C=O)(ax/eq) and f(Fe-CO)(ax/eq) force constants is obtained, in agreement with the idea that the Fe(I)-CO bond in these types of complexes is dominated by pi-backdonation. Compared to the reduced form of [FeFe] hydrogenase (H(red)), the nu(C=O) vibrational frequencies of (mu-edt)[Fe(CO)(3)](2) are higher in energy, indicating that the dinuclear iron core in (mu-edt)[Fe(CO)(3)](2) is less electron rich compared to H(red) in the actual enzyme. Finally, quantum yields for the photodecomposition of (mu-edt)[Fe(CO)(3)](2) have been determined.
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Affiliation(s)
| | - C. Matthew Whaley
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - Nicolai Lehnert
- Department of Chemistry, University of Michigan, Ann Arbor, MI 48109, USA
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135
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Song LC, Li QS, Yang ZY, Hua YJ, Bian HZ, Hu QM. Synthesis and Characterization of Diiron Thiadithiolate Complexes Related to the Active Site of [FeFe]-Hydrogenases. Eur J Inorg Chem 2010. [DOI: 10.1002/ejic.200901023] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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136
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Xiao Z, Xu F, Long L, Liu Y, Zampella G, Gioia LD, Zeng X, Luo Q, Liu X. Influence of the basicity of internal bases in diiron model complexes on hydrides formation and their transformation into protonated diiron hexacarbonyl form. J Organomet Chem 2010. [DOI: 10.1016/j.jorganchem.2009.12.007] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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137
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Jones MB, Newell BS, Hoffert WA, Hardcastle KI, Shores MP, MacBeth CE. Chelating tris(amidate) ligands: versatile scaffolds for nickel(ii). Dalton Trans 2010:401-10. [DOI: 10.1039/b914301g] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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138
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Zhan C, Wang X, Wei Z, Evans DJ, Ru X, Zeng X, Liu X. Synthesis and characterisation of polymeric materials consisting of {Fe2(CO)5}-unit and their relevance to the diiron sub-unit of [FeFe]-hydrogenase. Dalton Trans 2010; 39:11255-62. [DOI: 10.1039/c0dt00687d] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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139
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Jablonskytė A, Wright JA, Pickett CJ. Mechanistic aspects of the protonation of [FeFe]-hydrogenase subsite analogues. Dalton Trans 2010; 39:3026-34. [DOI: 10.1039/b923191a] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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140
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Song LC, Yan J, Li YL, Wang DF, Hu QM. Synthetic and Structural Studies on l-Cysteinyl Group-Containing Diiron/Triiron Azadithiolates as Active Site Models of [FeFe]-Hydrogenases. Inorg Chem 2009; 48:11376-81. [DOI: 10.1021/ic9006179] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Li-Cheng Song
- Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
| | - Jing Yan
- Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
| | - Yu-Long Li
- Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
| | - De-Fu Wang
- Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
| | - Qing-Mei Hu
- Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
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141
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Daraosheh AQ, Harb MK, Windhager J, Görls H, El-khateeb M, Weigand W. Substitution Reactions at [FeFe] Hydrogenase Models Containing [2Fe3S] Assembly by Phosphine or Phosphite Ligands. Organometallics 2009. [DOI: 10.1021/om9005752] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ahmad Q. Daraosheh
- Institut für Anorganische und Analytische Chemie, Friedrich-Schiller-Universität Jena, August-Bebel-Strasse 2, 07743 Jena, Germany
| | - Mohammad K. Harb
- Institut für Anorganische und Analytische Chemie, Friedrich-Schiller-Universität Jena, August-Bebel-Strasse 2, 07743 Jena, Germany
| | - Jochen Windhager
- Institut für Anorganische und Analytische Chemie, Friedrich-Schiller-Universität Jena, August-Bebel-Strasse 2, 07743 Jena, Germany
| | - Helmar Görls
- Institut für Anorganische und Analytische Chemie, Friedrich-Schiller-Universität Jena, August-Bebel-Strasse 2, 07743 Jena, Germany
| | - Mohammad El-khateeb
- Chemistry Department, Jordan University of Science and Technology, 22110 Irbid, Jordan
| | - Wolfgang Weigand
- Institut für Anorganische und Analytische Chemie, Friedrich-Schiller-Universität Jena, August-Bebel-Strasse 2, 07743 Jena, Germany
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142
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Song LC, Gao W, Feng CP, Wang DF, Hu QM. Investigations on Synthesis, Structure, and Properties of New Butterfly [2Fe2Se] Cluster Complexes Relevant to Active Sites of Some Hydrogenases. Organometallics 2009. [DOI: 10.1021/om900572t] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Li-Cheng Song
- Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Wei Gao
- Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Cui-Ping Feng
- Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - De-Fu Wang
- Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Qing-Mei Hu
- Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, People's Republic of China
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143
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Wright R, Lim C, Tilley T. Diiron Proton Reduction Catalysts Possessing Electron-Rich and Electron-Poor Naphthalene-1,8-dithiolate Ligands. Chemistry 2009; 15:8518-8525. [DOI: 10.1002/chem.200900989] [Citation(s) in RCA: 71] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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144
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Tard C, Pickett CJ. Structural and functional analogues of the active sites of the [Fe]-, [NiFe]-, and [FeFe]-hydrogenases. Chem Rev 2009; 109:2245-74. [PMID: 19438209 DOI: 10.1021/cr800542q] [Citation(s) in RCA: 1016] [Impact Index Per Article: 67.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Cédric Tard
- Laboratoire d'Electrochimie Moléculaire, Unité Mixte de Recherche Université-CNRS 7591, Université Paris Diderot, 75013 Paris, France
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145
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Felton GA, Mebi CA, Petro BJ, Vannucci AK, Evans DH, Glass RS, Lichtenberger DL. Review of electrochemical studies of complexes containing the Fe2S2 core characteristic of [FeFe]-hydrogenases including catalysis by these complexes of the reduction of acids to form dihydrogen. J Organomet Chem 2009. [DOI: 10.1016/j.jorganchem.2009.03.017] [Citation(s) in RCA: 301] [Impact Index Per Article: 20.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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146
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Harb MK, Windhager J, Daraosheh A, Görls H, Lockett LT, Okumura N, Evans DH, Glass RS, Lichtenberger DL, El-khateeb M, Weigand W. Phosphane- and Phosphite-Substituted Diiron Diselenolato Complexes as Models for [FeFe]-Hydrogenases. Eur J Inorg Chem 2009. [DOI: 10.1002/ejic.200900252] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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147
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Morvan D, Capon JF, Gloaguen F, Pétillon FY, Schollhammer P, Talarmin J, Yaouanc JJ, Michaud F, Kervarec N. Modeling [FeFe] hydrogenase: Synthesis and protonation of a diiron dithiolate complex containing a phosphine-N-heterocyclic-carbene ligand. J Organomet Chem 2009. [DOI: 10.1016/j.jorganchem.2009.01.018] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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148
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Synthesis and characterization of carboxy-functionalized diiron model complexes of [FeFe]-hydrogenases: Decarboxylation of Ph2PCH2COOH promoted by a diiron azadithiolate complex. J Organomet Chem 2009. [DOI: 10.1016/j.jorganchem.2009.03.039] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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149
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150
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Song LC, Wang LX, Tang MY, Li CG, Song HB, Hu QM. Synthesis, Structure, and Photoinduced Catalysis of [FeFe]-Hydrogenase Active Site Models Covalently Linked to a Porphyrin or Metalloporphyrin Moiety. Organometallics 2009. [DOI: 10.1021/om900141x] [Citation(s) in RCA: 65] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Li-Cheng Song
- Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Liang-Xing Wang
- Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Ming-Yi Tang
- Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Chang-Gong Li
- Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Hai-Bin Song
- Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Qing-Mei Hu
- Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, People's Republic of China
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