1
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Yong WW, Zhang HT, Guo YH, Xie F, Zhang MT. Redox-Active Ligand Assisted Multielectron Catalysis: A Case of Electrocatalyzed CO 2-to-CO Conversion. ACS ORGANIC & INORGANIC AU 2023; 3:384-392. [PMID: 38075450 PMCID: PMC10704577 DOI: 10.1021/acsorginorgau.3c00027] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 07/31/2023] [Accepted: 08/10/2023] [Indexed: 03/16/2024]
Abstract
The selective reduction of carbon dioxide remains a significant challenge due to the complex multielectron/proton transfer process, which results in a high kinetic barrier and the production of diverse products. Inspired by the electrostatic and H-bonding interactions observed in the second sphere of the [NiFe]-CODH enzyme, researchers have extensively explored these interactions to regulate proton transfer, stabilize intermediates, and ultimately improve the performance of catalytic CO2 reduction. In this work, a series of cobalt(II) tetraphenylporphyrins with varying numbers of redox-active nitro groups were synthesized and evaluated as CO2 reduction electrocatalysts. Analyses of the redox properties of these complexes revealed a consistent relationship between the number of nitro groups and the corresponding accepted electron number of the ligand at -1.59 V vs. Fc+/0. Among the catalysts tested, TNPPCo with four nitro groups exhibited the most efficient catalytic activity with a turnover frequency of 4.9 × 104 s-1 and a catalytic onset potential 820 mV more positive than that of the parent TPPCo. Furthermore, the turnover frequencies of the catalysts increased with a higher number of nitro groups. These results demonstrate the promising design strategy of incorporating multielectron redox-active ligands into CO2 reduction catalysts to enhance catalytic performance.
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Affiliation(s)
- Wen-Wen Yong
- Center
of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, Beijing 100084, China
- Institute
of Materials, China Academy of Engineering Physics (CAEP), Jiangyou 621908, China
| | - Hong-Tao Zhang
- Center
of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Yu-Hua Guo
- Center
of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Fei Xie
- Center
of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Ming-Tian Zhang
- Center
of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, Beijing 100084, China
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2
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Dinda S, Pramanik S, Basu J, Patra SC, Pramanik K, Ganguly S. Azo-oximate metal-carbonyl to metallocarboxylic acid via the intermediate Ir(III) radical congener: quest for co-ligand driven stability of open- and closed-shell complexes. Dalton Trans 2022; 51:10121-10135. [PMID: 35731229 DOI: 10.1039/d2dt00345g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
The redox non-innocent behavior of the diaryl-azo-oxime ligand LNOH1 has been accentuated via the synthesis of metastable anion radical complexes of type trans-[Ir(LNO˙-)Cl(CO)(PPh3)2] 2 (CO is trans to azo group of the ligand) by the oxidative coordination reaction of 1 with Vaska's complex. The stereochemical role of co-ligands vis-à-vis the interplay of π-bonding has been found to be decisive in controlling the aptitude of the coordinated redox non-innocent ligand to accept or reject an electron. This has been clarified via the isolation of quite a few complexes as well as the failure to synthesize some others. The oxidized analogues of type trans-[Ir(LNO-)Cl(CO)(PPh3)2]+2+ (CO and azo group of the ligand are trans) as well as its cis isomer cis-[Ir(LNO-)Cl(CO)(PPh3)2]+3+ (CO and azo group of the ligand are cis) have been structurally characterized but the radical anion congener of the latter could not be synthesized. Furthermore, the closed shell complexes [Ir(LNO-)Cl2(PPh3)2] 4 and [Ir(LNO-)2Cl(PPh3)] 5 have been well characterized by diffraction as well as spectral techniques but their corresponding azo anion radical complexes could not be isolated and this is attributed to the trans influence of ancillary ligands. The anion radical complexes trans-[Ir(LNO˙-)Cl(CO)(PPh3)2] 2 may be rapidly transformed to the metallocarboxylic acids trans-[Ir(LNO-)Cl(CO2H)(PPh3)2] 6via a proton-coupled electron transfer (PCET) process, thereby demonstrating the role of odd electron over the coordinated ligand framework to trigger metal-mediated carbonyl to carboxylic acid functionalization. Complexes 6 are further stabilized via intramolecular -CO2H⋯ON- (carboxylic acid⋯oximato) H-bonding. The optoelectronic properties as well as the origin of transitions in the complexes were analyzed by TD-DFT and theoretical analysis, which further disclose that the odd electron in trans-[Ir(LNO˙-)Cl(CO)(PPh3)2] 2 is primarily azo-oxime centric with very low contribution from the iridium center.
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Affiliation(s)
- Soumitra Dinda
- Department of Chemistry, St. Xavier's College (Autonomous), Kolkata - 700016, India.
| | - Shuvam Pramanik
- Department of Chemistry, Jadavpur University, Kolkata 700032, India
| | - Jaydeep Basu
- Department of Chemistry, St. Xavier's College (Autonomous), Kolkata - 700016, India.
| | | | | | - Sanjib Ganguly
- Department of Chemistry, St. Xavier's College (Autonomous), Kolkata - 700016, India.
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3
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Pal S, Dinda S, Ganguly S. A perspective on exploration of synthetic reaction pathways of stable metallocarboxylic acids and structural features of MCOOH moiety. J Organomet Chem 2022. [DOI: 10.1016/j.jorganchem.2022.122355] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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4
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Imanishi T, Nishikawa K, Taketa M, Higuchi K, Tai H, Hirota S, Hojo H, Kawakami T, Hataguchi K, Matsumoto K, Ogata H, Higuchi Y. Structural and spectroscopic characterization of CO inhibition of [NiFe]-hydrogenase from Citrobacter sp. S-77. Acta Crystallogr F Struct Biol Commun 2022; 78:66-74. [PMID: 35102895 PMCID: PMC8805213 DOI: 10.1107/s2053230x22000188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 01/05/2022] [Indexed: 02/03/2023] Open
Abstract
Hydrogenases catalyze the reversible oxidation of H2. Carbon monoxide (CO) is known to be a competitive inhibitor of O2-sensitive [NiFe]-hydrogenases. Although the activities of some O2-tolerant [NiFe]-hydrogenases are unaffected by CO, the partially O2-tolerant [NiFe]-hydrogenase from Citrobacter sp. S-77 (S77-HYB) is inhibited by CO. In this work, the CO-bound state of S77-HYB was characterized by activity assays, spectroscopic techniques and X-ray crystallography. Electron paramagnetic resonance spectroscopy showed a diamagnetic Ni2+ state, and Fourier-transform infrared spectroscopy revealed the stretching vibration of the exogenous CO ligand. The crystal structure determined at 1.77 Å resolution revealed that CO binds weakly to the nickel ion in the Ni-Fe active site of S77-HYB. These results suggest a positive correlation between O2 and CO tolerance in [NiFe]-hydrogenases.
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Affiliation(s)
- Takahiro Imanishi
- Graduate School of Science, University of Hyogo, 3-2-1 Koto, Kamigori, Ako, Hyogo 678-1297, Japan
| | - Koji Nishikawa
- Graduate School of Science, University of Hyogo, 3-2-1 Koto, Kamigori, Ako, Hyogo 678-1297, Japan
| | - Midori Taketa
- Graduate School of Science, University of Hyogo, 3-2-1 Koto, Kamigori, Ako, Hyogo 678-1297, Japan
| | - Katsuhiro Higuchi
- Graduate School of Science, University of Hyogo, 3-2-1 Koto, Kamigori, Ako, Hyogo 678-1297, Japan
| | - Hulin Tai
- Division of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara 630-0192, Japan
- Department of Chemistry, Yanbian University, Yanji 133002, Jilin, People’s Republic of China
| | - Shun Hirota
- Division of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara 630-0192, Japan
| | - Hironobu Hojo
- Institute for Protein Research, Osaka University, 3-2 Yamadaoka, Suita-shi, Osaka 565-0871, Japan
| | - Toru Kawakami
- Institute for Protein Research, Osaka University, 3-2 Yamadaoka, Suita-shi, Osaka 565-0871, Japan
| | - Kiriko Hataguchi
- Graduate School of Science, University of Hyogo, 3-2-1 Koto, Kamigori, Ako, Hyogo 678-1297, Japan
| | - Kayoko Matsumoto
- Graduate School of Science, University of Hyogo, 3-2-1 Koto, Kamigori, Ako, Hyogo 678-1297, Japan
| | - Hideaki Ogata
- Division of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara 630-0192, Japan
| | - Yoshiki Higuchi
- Graduate School of Science, University of Hyogo, 3-2-1 Koto, Kamigori, Ako, Hyogo 678-1297, Japan
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5
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Azaiza‐Dabbah D, Vogt C, Wang F, Masip‐Sánchez A, Graaf C, Poblet JM, Haviv E, Neumann R. Molecular Transition Metal Oxide Electrocatalysts for the Reversible Carbon Dioxide–Carbon Monoxide Transformation. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202112915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Dima Azaiza‐Dabbah
- Department of Molecular Chemistry and Materials Science Weizmann Institute of Science 76100 Rehovot Israel
| | - Charlotte Vogt
- Department of Molecular Chemistry and Materials Science Weizmann Institute of Science 76100 Rehovot Israel
| | - Fei Wang
- Department de Química Física i Inorgànica Universitat Rovira i Virgili Domingo 1 43007 Tarragona Spain
| | - Albert Masip‐Sánchez
- Department de Química Física i Inorgànica Universitat Rovira i Virgili Domingo 1 43007 Tarragona Spain
| | - Coen Graaf
- Department de Química Física i Inorgànica Universitat Rovira i Virgili Domingo 1 43007 Tarragona Spain
- ICREA Passeig Lluís Companys 23 08010 Barcelona Spain
| | - Josep M. Poblet
- Department de Química Física i Inorgànica Universitat Rovira i Virgili Domingo 1 43007 Tarragona Spain
| | - Eynat Haviv
- Department of Molecular Chemistry and Materials Science Weizmann Institute of Science 76100 Rehovot Israel
| | - Ronny Neumann
- Department of Molecular Chemistry and Materials Science Weizmann Institute of Science 76100 Rehovot Israel
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6
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Chapman A, Ertekin E, Kubota M, Nagao A, Bertsch K, Macadre A, Tsuchiyama T, Masamura T, Takaki S, Komoda R, Dadfarnia M, Somerday B, Staykov AT, Sugimura J, Sawae Y, Morita T, Tanaka H, Yagi K, Niste V, Saravanan P, Onitsuka S, Yoon KS, Ogo S, Matsushima T, Tumen-Ulzii G, Klotz D, Nguyen DH, Harrington G, Adachi C, Matsumoto H, Kwati L, Takahashi Y, Kosem N, Ishihara T, Yamauchi M, Saha BB, Islam MA, Miyawaki J, Sivasankaran H, Kohno M, Fujikawa S, Selyanchyn R, Tsuji T, Higashi Y, Kirchheim R, Sofronis P. Achieving a Carbon Neutral Future through Advanced Functional Materials and Technologies. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2022. [DOI: 10.1246/bcsj.20210323] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Andrew Chapman
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
| | - Elif Ertekin
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
- Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Masanobu Kubota
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
| | - Akihide Nagao
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
| | - Kaila Bertsch
- Lawrence Livermore National Laboratory, California, USA
| | - Arnaud Macadre
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
- Department of Mechanical Engineering, Yamaguchi University, Yamaguchi, Japan
| | - Toshihiro Tsuchiyama
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
- Department of Materials Science and Engineering, Kyushu University, Fukuoka, Japan
| | - Takuro Masamura
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
- Department of Materials Science and Engineering, Kyushu University, Fukuoka, Japan
| | - Setsuo Takaki
- Netsuren Co., Ltd., Hyogo, Japan
- Emeritus Professor, Kyushu University, Fukuoka, Japan
| | - Ryosuke Komoda
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
- Department of Mechanical Engineering, Fukuoka University, Fukuoka, Japan
| | - Mohsen Dadfarnia
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
- Department of Mechanical Engineering, Seattle University, Washington, USA
| | - Brian Somerday
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
- Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Illinois, USA
- Somerday Consulting LLC, Pennsylvania, USA
| | - Alexander Tsekov Staykov
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
| | - Joichi Sugimura
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
- Research Center for Hydrogen Industrial Use and Storage, Kyushu University, Fukuoka, Japan
- Department of Mechanical Engineering, Fukuoka University, Fukuoka, Japan
| | - Yoshinori Sawae
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
- Department of Mechanical Engineering, Fukuoka University, Fukuoka, Japan
| | - Takehiro Morita
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
- Department of Mechanical Engineering, Fukuoka University, Fukuoka, Japan
| | - Hiroyoshi Tanaka
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
- Research Center for Hydrogen Industrial Use and Storage, Kyushu University, Fukuoka, Japan
- Department of Mechanical Engineering, Fukuoka University, Fukuoka, Japan
| | - Kazuyuki Yagi
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
- Research Center for Hydrogen Industrial Use and Storage, Kyushu University, Fukuoka, Japan
- Department of Mechanical Engineering, Fukuoka University, Fukuoka, Japan
| | | | - Prabakaran Saravanan
- Department of Mechanical Engineering, Birla Institute of Technology & Science - Pilani, Hyderabad, Telangana, India
| | - Shugo Onitsuka
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
| | - Ki-Seok Yoon
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
| | - Seiji Ogo
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
| | - Toshinori Matsushima
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
| | - Ganbaatar Tumen-Ulzii
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
| | - Dino Klotz
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
| | - Dinh Hoa Nguyen
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
| | - George Harrington
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
| | - Chihaya Adachi
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
| | - Hiroshige Matsumoto
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
| | - Leonard Kwati
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
| | - Yukina Takahashi
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
| | - Nuttavut Kosem
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
| | - Tatsumi Ishihara
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
| | - Miho Yamauchi
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
| | - Bidyut Baran Saha
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
| | - Md. Amirul Islam
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
| | - Jin Miyawaki
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
| | - Harish Sivasankaran
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
| | - Masamichi Kohno
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
| | - Shigenori Fujikawa
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
| | - Roman Selyanchyn
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
| | - Takeshi Tsuji
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
| | - Yukihiro Higashi
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
| | - Reiner Kirchheim
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
- Institute of Materials Physics, University of Gottingen, Germany
| | - Petros Sofronis
- International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Fukuoka, Japan
- Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Illinois, USA
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7
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Azaiza-Dabbah D, Vogt C, Wang F, Masip-Sánchez A, de Graaf C, Poblet JM, Haviv E, Neumann R. Molecular Transition Metal Oxide Electrocatalysts for the Reversible Carbon Dioxide-Carbon Monoxide Transformation. Angew Chem Int Ed Engl 2021; 61:e202112915. [PMID: 34842316 DOI: 10.1002/anie.202112915] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 11/07/2021] [Indexed: 11/09/2022]
Abstract
Carbon monoxide dehydrogenase (CODH) enzymes are active for the reversible CO oxidation-CO2 reduction reaction and are of interest in the context of CO2 abatement and carbon-neutral solar fuels. Bioinspired by the active-site composition of the CODHs, polyoxometalates triply substituted with first-row transition metals were modularly synthesized. The polyanions, in short, {SiM3 W9 } and {SiM'2 M''W9 }, M, M', M''=CuII , NiII , FeIII are shown to be electrocatalysts for reversible CO oxidation-CO2 reduction. A catalytic Tafel plot showed that {SiCu3 W9 } was the most reactive for CO2 reduction, and electrolysis reactions yielded significant amounts of CO with 98 % faradaic efficiency. In contrast, Fe-Ni compounds such as {SiFeNi2 W9 } preferably catalyzed the oxidation of CO to CO2 similar to what is observed for the [NiFe]-CODH enzyme. Compositional control of the heterometal complexes, now and in the future, leads to control of reactivity and selectivity for CO2 electrocatalytic reduction.
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Affiliation(s)
- Dima Azaiza-Dabbah
- Department of Molecular Chemistry and Materials Science, Weizmann Institute of Science, 76100, Rehovot, Israel
| | - Charlotte Vogt
- Department of Molecular Chemistry and Materials Science, Weizmann Institute of Science, 76100, Rehovot, Israel
| | - Fei Wang
- Department de Química Física i Inorgànica, Universitat Rovira i Virgili, Domingo 1, 43007, Tarragona, Spain
| | - Albert Masip-Sánchez
- Department de Química Física i Inorgànica, Universitat Rovira i Virgili, Domingo 1, 43007, Tarragona, Spain
| | - Coen de Graaf
- Department de Química Física i Inorgànica, Universitat Rovira i Virgili, Domingo 1, 43007, Tarragona, Spain.,ICREA, Passeig Lluís Companys 23, 08010, Barcelona, Spain
| | - Josep M Poblet
- Department de Química Física i Inorgànica, Universitat Rovira i Virgili, Domingo 1, 43007, Tarragona, Spain
| | - Eynat Haviv
- Department of Molecular Chemistry and Materials Science, Weizmann Institute of Science, 76100, Rehovot, Israel
| | - Ronny Neumann
- Department of Molecular Chemistry and Materials Science, Weizmann Institute of Science, 76100, Rehovot, Israel
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8
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Isegawa M, Matsumoto T, Ogo S. H 2 activation by hydrogenase-inspired NiFe catalyst using frustrated Lewis pair: effect of buffer and halide ion in the heterolytic H-H bond cleavage. RSC Adv 2021; 11:28420-28432. [PMID: 35480737 PMCID: PMC9038005 DOI: 10.1039/d1ra05928a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 08/17/2021] [Indexed: 11/21/2022] Open
Abstract
Hydrogen is a clean fuel alternative to fossil fuels, and it is vital to develop catalysts for its efficient activation and production. We investigate the reaction mechanism of H2 activation in an aqueous solution by the recently developed NiFe complex (Ogo et al. Sci. Adv. 2020, 6, eaaz8181) using density functional theory (DFT) calculation. Our computational results showed that H2 is activated using frustrated Lewis pair. That is, H2 binds to the Fe site of the NiFe complex, acting as a Lewis acid, while the added buffer, acting as Lewis base, abstracts protons to form a hydride complex. Furthermore, the higher basicity in the proton abstraction reaction characterises reaction more exergonic and lowers the reaction barrier. In addition, in the proton abstraction by the water molecule, the reaction barrier was lowered when anion such as Cl− is in the vicinity of the water. Understanding the chemical species that contribute to the catalytic process in cooperation with the metal catalyst at the atomic level should help to maximise the function of the catalyst. Hydrogen is a clean fuel alternative to fossil fuels, and it is vital to develop catalysts for its efficient activation and production.![]()
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Affiliation(s)
- Miho Isegawa
- International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University 744 Moto-oka, Nishi-ku Fukuoka 819-0395 Japan
| | - Takahiro Matsumoto
- International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University 744 Moto-oka, Nishi-ku Fukuoka 819-0395 Japan
| | - Seiji Ogo
- International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University 744 Moto-oka, Nishi-ku Fukuoka 819-0395 Japan
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9
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Ghosh AC, Duboc C, Gennari M. Synergy between metals for small molecule activation: Enzymes and bio-inspired complexes. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2020.213606] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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10
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Wang XZ, Meng SL, Xiao H, Feng K, Wang Y, Jian JX, Li XB, Tung CH, Wu LZ. Identifying a Real Catalyst of [NiFe]-Hydrogenase Mimic for Exceptional H 2 Photogeneration. Angew Chem Int Ed Engl 2020; 59:18400-18404. [PMID: 32667116 DOI: 10.1002/anie.202006593] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 06/22/2020] [Indexed: 11/09/2022]
Abstract
Inspired by the natural [NiFe]-H2 ase, we designed mimic 1, (dppe)Ni(μ-pdt)(μ-Cl)Ru(CO)2 Cl to realize effective H2 evolution under photocatalytic conditions. However, a new species 2 was captured in the course of photo-, electro-, and chemo- one-electron reduction. Experimental studies of in situ IR spectroscopy, EPR, NMR, X-ray absorption spectroscopy, and DFT calculations corroborated a dimeric structure of 2 as a closed-shell, symmetric structure with a RuI center. The isolated dimer 2 showed the real catalytic role in photocatalysis with a benchmark turnover frequency (TOF) of 1936 h-1 for H2 evolution, while mimic 1 worked as a pre-catalyst and evolved H2 only after being reduced to 2. The remarkably catalytic activity and unique dimer structure of 2 operated in photocatalysis unveiled a broad research prospect in hydrogenases mimics for advanced H2 evolution.
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Affiliation(s)
- Xu-Zhe Wang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.,School of Future Technology, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Shu-Lin Meng
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.,School of Future Technology, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Hongyan Xiao
- Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Ke Feng
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.,School of Future Technology, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yang Wang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.,School of Future Technology, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Jing-Xin Jian
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.,School of Future Technology, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xu-Bing Li
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.,School of Future Technology, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Chen-Ho Tung
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.,School of Future Technology, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Li-Zhu Wu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.,School of Future Technology, University of Chinese Academy of Sciences, Beijing, 100049, China
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11
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Wang X, Meng S, Xiao H, Feng K, Wang Y, Jian J, Li X, Tung C, Wu L. Identifying a Real Catalyst of [NiFe]‐Hydrogenase Mimic for Exceptional H
2
Photogeneration. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202006593] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Xu‐Zhe Wang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 China
- School of Future Technology University of Chinese Academy of Sciences Beijing 100049 China
| | - Shu‐Lin Meng
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 China
- School of Future Technology University of Chinese Academy of Sciences Beijing 100049 China
| | - Hongyan Xiao
- Key Laboratory of Bio-inspired Materials and Interfacial Science Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 China
| | - Ke Feng
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 China
- School of Future Technology University of Chinese Academy of Sciences Beijing 100049 China
| | - Yang Wang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 China
- School of Future Technology University of Chinese Academy of Sciences Beijing 100049 China
| | - Jing‐Xin Jian
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 China
- School of Future Technology University of Chinese Academy of Sciences Beijing 100049 China
| | - Xu‐Bing Li
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 China
- School of Future Technology University of Chinese Academy of Sciences Beijing 100049 China
| | - Chen‐Ho Tung
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 China
- School of Future Technology University of Chinese Academy of Sciences Beijing 100049 China
| | - Li‐Zhu Wu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 China
- School of Future Technology University of Chinese Academy of Sciences Beijing 100049 China
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12
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Song LC, Liu WB, Liu BB. Nickel(II)–Nickel(II) Azadithiolates: Synthesis, Structural Characterization, and Electrocatalytic H 2 Production. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00130] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Li-Cheng Song
- Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, People’s Republic of China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, People’s Republic of China
| | - Wen-Bo Liu
- Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, People’s Republic of China
| | - Bei-Bei Liu
- Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, People’s Republic of China
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13
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Nishikawa K, Ogata H, Higuchi Y. Structural Basis of the Function of [NiFe]-hydrogenases. CHEM LETT 2020. [DOI: 10.1246/cl.190814] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Koji Nishikawa
- Graduate School of Life Science, University of Hyogo, 3-2-1 Koto, Kamigori-cho, Ako-gun, Hyogo 678-1297, Japan
| | - Hideaki Ogata
- Institute of Low Temperature Science, Hokkaido University, Kita19Nishi8, Kita-ku, Sapporo, Hokkaido 060-0819, Japan
| | - Yoshiki Higuchi
- Graduate School of Life Science, University of Hyogo, 3-2-1 Koto, Kamigori-cho, Ako-gun, Hyogo 678-1297, Japan
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14
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Isegawa M, Matsumoto T, Ogo S. Selective Oxidation of H 2 and CO by NiIr Catalyst in Aqueous Solution: A DFT Mechanistic Study. Inorg Chem 2020; 59:1014-1028. [PMID: 31898897 DOI: 10.1021/acs.inorgchem.9b02400] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
One of the challenges in utilizing hydrogen gas (H2) as a sustainable fossil fuel alternative is the inhibition of H2 oxidation by carbon monoxide (CO), which is involved in the industrial production of H2 sources. To solve this problem, a catalyst that selectively oxidizes either CO or H2 or one that co-oxidizes H2 and CO is needed. Recently, a NiIr catalyst [NiIICl(X)IrIIICl(η5-C5Me5)], (X = N,N'-dimethyl-3,7-diazanonane-1,9-dithiolate), which efficiently and selectively oxidizes either H2 or CO depending on the pH, has been developed (Angew. Chem. Int. Ed. 2017, 56, 9723-9726). In the present work, density functional theory (DFT) calculations are employed to elucidate the pH-dependent reaction mechanisms of H2 and CO oxidation catalyzed by this NiIr catalyst. During H2 oxidation, our calculations suggest that dihydrogen binds to the Ir center and generates an Ir(III)-dihydrogen complex, followed by subsequent isomerization to an Ir(V)-dihydride species. Then, a proton is abstracted by a buffer base, CH3COO-, resulting in the formation of a hydride complex. The catalytic cycle completes with electron transfer from the hydride complex to a protonated 2,6-dichlorobenzeneindophenol (DCIP) and a proton transfer from the oxidized hydride complex to a buffer base. The CO oxidation mechanism involves three distinct steps, i.e., (1) formation of a metal carbonyl complex, (2) formation of a metallocarboxylic acid, and (3) conversion of the metallocarboxylic acid to a hydride complex. The formation of the metallocarboxylic acid involves nucleophilic attack of OH- to the carbonyl-C followed by a large structural change with concomitant cleavage of the Ir-S bond and rotation of the COOH group along the NiIr axis. During the conversion of the metallocarboxylic acid to the hydride complex, intramolecular proton transfer followed by removal of CO2 leads to the formation of the hydride complexes. In addition, the barrier heights for the binding of small molecules (H2, OH-, H2O, and CO) to Ir were calculated, and the results indicated that dissociation from Ir is a faster process than the binding of H2O and H2. These calculations indicate that H2 oxidation is inhibited by CO and OH- and thus prefers acidic conditions. In contrast, the CO oxidation reactions occur more favorably under basic conditions, as the formation of the metallocarboxylic acid involves OH- attack to a carbonyl-C and the binding of OH- to Ni largely stabilizes the triplet spin state of the complex. Taken together, these calculations provide a rationale for the experimentally observed pH-dependent, selective oxidations of H2 and CO.
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Affiliation(s)
- Miho Isegawa
- International Institute for Carbon-Neutral Energy Research (WPI-I2CNER) , Kyushu University , 744 Moto-oka , Nishi-ku, Fukuoka 819-0395 , Japan
| | - Takahiro Matsumoto
- International Institute for Carbon-Neutral Energy Research (WPI-I2CNER) , Kyushu University , 744 Moto-oka , Nishi-ku, Fukuoka 819-0395 , Japan
| | - Seiji Ogo
- International Institute for Carbon-Neutral Energy Research (WPI-I2CNER) , Kyushu University , 744 Moto-oka , Nishi-ku, Fukuoka 819-0395 , Japan
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15
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Wang D, Moutet J, Tricoire M, Cordier M, Nocton G. Reactive Heterobimetallic Complex Combining Divalent Ytterbium and Dimethyl Nickel Fragments. INORGANICS 2019; 7:58. [PMID: 31463301 PMCID: PMC6713561 DOI: 10.3390/inorganics7050058] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
This article presented the synthesis and characterization of original heterobimetallic species combining a divalent lanthanide fragment and a divalent nickel center bridged by the bipyrimidine ligand, a redox-active ligand. X-ray crystal structures were obtained for the Ni monomer (bipym)NiMe2, 1, as well as the heterobimetallic dimer compounds, Cp*2Yb(bipym)NiMe2, 2, along with 1H solution NMR, solid-state magnetic data, and DFT calculations only for 1. The reactivity with CO was investigated on both compounds and the stoichiometric acetone formation is discussed based on kinetic and mechanistic studies. The key role of the lanthanide fragment was demonstrated by the relatively slow CO migratory insertion step, which indicated the stability of the intermediate.
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16
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Protective effect of Xin-Ji-Er-Kang on cardiovascular remodeling in high-salt induced hypertensive mice: Role ofoxidative stress and endothelial dysfunction. Biomed Pharmacother 2019; 115:108937. [DOI: 10.1016/j.biopha.2019.108937] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2019] [Revised: 04/17/2019] [Accepted: 04/29/2019] [Indexed: 11/18/2022] Open
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17
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Kumar N, Darmon JM, Weiss CJ, Helm ML, Raugei S, Morris Bullock R. Outer Coordination Sphere Proton Relay Base and Proximity Effects on Hydrogen Oxidation with Iron Electrocatalysts. Organometallics 2019. [DOI: 10.1021/acs.organomet.8b00805] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Neeraj Kumar
- Center for Molecular Electrocatalysis, Pacific Northwest National Laboratory, P.O. Box 999, K2-12, Richland, Washington 99352, United States
| | - Jonathan M. Darmon
- Center for Molecular Electrocatalysis, Pacific Northwest National Laboratory, P.O. Box 999, K2-12, Richland, Washington 99352, United States
| | - Charles J. Weiss
- Center for Molecular Electrocatalysis, Pacific Northwest National Laboratory, P.O. Box 999, K2-12, Richland, Washington 99352, United States
| | - Monte L. Helm
- Center for Molecular Electrocatalysis, Pacific Northwest National Laboratory, P.O. Box 999, K2-12, Richland, Washington 99352, United States
| | - Simone Raugei
- Center for Molecular Electrocatalysis, Pacific Northwest National Laboratory, P.O. Box 999, K2-12, Richland, Washington 99352, United States
| | - R. Morris Bullock
- Center for Molecular Electrocatalysis, Pacific Northwest National Laboratory, P.O. Box 999, K2-12, Richland, Washington 99352, United States
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18
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Mori Y, Ando T, Matsumoto T, Yatabe T, Kikkawa M, Yoon K, Ogo S. Multifunctional Catalysts for H
2
O
2
‐Resistant Hydrogen Fuel Cells. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201810270] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Yuki Mori
- Department of Chemistry and Biochemistry Graduate School of Engineering, Center for Small Molecule Energy International Institute for Carbon-Neutral Energy Research (WPI-I2CNER) Kyushu University, 744 Moto-oka, Nishi-ku Fukuoka 819-0395 Japan
| | - Tatsuya Ando
- Department of Chemistry and Biochemistry Graduate School of Engineering, Center for Small Molecule Energy International Institute for Carbon-Neutral Energy Research (WPI-I2CNER) Kyushu University, 744 Moto-oka, Nishi-ku Fukuoka 819-0395 Japan
| | - Takahiro Matsumoto
- Department of Chemistry and Biochemistry Graduate School of Engineering, Center for Small Molecule Energy International Institute for Carbon-Neutral Energy Research (WPI-I2CNER) Kyushu University, 744 Moto-oka, Nishi-ku Fukuoka 819-0395 Japan
| | - Takeshi Yatabe
- Department of Chemistry and Biochemistry Graduate School of Engineering, Center for Small Molecule Energy International Institute for Carbon-Neutral Energy Research (WPI-I2CNER) Kyushu University, 744 Moto-oka, Nishi-ku Fukuoka 819-0395 Japan
| | - Mitsuhiro Kikkawa
- Department of Chemistry and Biochemistry Graduate School of Engineering, Center for Small Molecule Energy International Institute for Carbon-Neutral Energy Research (WPI-I2CNER) Kyushu University, 744 Moto-oka, Nishi-ku Fukuoka 819-0395 Japan
| | - Ki‐Seok Yoon
- Department of Chemistry and Biochemistry Graduate School of Engineering, Center for Small Molecule Energy International Institute for Carbon-Neutral Energy Research (WPI-I2CNER) Kyushu University, 744 Moto-oka, Nishi-ku Fukuoka 819-0395 Japan
| | - Seiji Ogo
- Department of Chemistry and Biochemistry Graduate School of Engineering, Center for Small Molecule Energy International Institute for Carbon-Neutral Energy Research (WPI-I2CNER) Kyushu University, 744 Moto-oka, Nishi-ku Fukuoka 819-0395 Japan
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19
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Zhao Y, Yu X, Hu H, Hu X, Raje S, Angamuthu R, Tung CH, Wang W. Synthetic [FeFe]-H2ase models bearing phosphino thioether chelating ligands. CHINESE CHEM LETT 2018. [DOI: 10.1016/j.cclet.2018.03.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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20
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Mori Y, Ando T, Matsumoto T, Yatabe T, Kikkawa M, Yoon K, Ogo S. Multifunctional Catalysts for H
2
O
2
‐Resistant Hydrogen Fuel Cells. Angew Chem Int Ed Engl 2018; 57:15792-15796. [PMID: 30303292 DOI: 10.1002/anie.201810270] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Indexed: 01/01/2023]
Affiliation(s)
- Yuki Mori
- Department of Chemistry and Biochemistry Graduate School of Engineering, Center for Small Molecule Energy International Institute for Carbon-Neutral Energy Research (WPI-I2CNER) Kyushu University, 744 Moto-oka, Nishi-ku Fukuoka 819-0395 Japan
| | - Tatsuya Ando
- Department of Chemistry and Biochemistry Graduate School of Engineering, Center for Small Molecule Energy International Institute for Carbon-Neutral Energy Research (WPI-I2CNER) Kyushu University, 744 Moto-oka, Nishi-ku Fukuoka 819-0395 Japan
| | - Takahiro Matsumoto
- Department of Chemistry and Biochemistry Graduate School of Engineering, Center for Small Molecule Energy International Institute for Carbon-Neutral Energy Research (WPI-I2CNER) Kyushu University, 744 Moto-oka, Nishi-ku Fukuoka 819-0395 Japan
| | - Takeshi Yatabe
- Department of Chemistry and Biochemistry Graduate School of Engineering, Center for Small Molecule Energy International Institute for Carbon-Neutral Energy Research (WPI-I2CNER) Kyushu University, 744 Moto-oka, Nishi-ku Fukuoka 819-0395 Japan
| | - Mitsuhiro Kikkawa
- Department of Chemistry and Biochemistry Graduate School of Engineering, Center for Small Molecule Energy International Institute for Carbon-Neutral Energy Research (WPI-I2CNER) Kyushu University, 744 Moto-oka, Nishi-ku Fukuoka 819-0395 Japan
| | - Ki‐Seok Yoon
- Department of Chemistry and Biochemistry Graduate School of Engineering, Center for Small Molecule Energy International Institute for Carbon-Neutral Energy Research (WPI-I2CNER) Kyushu University, 744 Moto-oka, Nishi-ku Fukuoka 819-0395 Japan
| | - Seiji Ogo
- Department of Chemistry and Biochemistry Graduate School of Engineering, Center for Small Molecule Energy International Institute for Carbon-Neutral Energy Research (WPI-I2CNER) Kyushu University, 744 Moto-oka, Nishi-ku Fukuoka 819-0395 Japan
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21
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Chambers GM, Wiedner ES, Bullock RM. H
2
Oxidation Electrocatalysis Enabled by Metal‐to‐Metal Hydrogen Atom Transfer: A Homolytic Approach to a Heterolytic Reaction. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201807510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Geoffrey M. Chambers
- Center for Molecular Electrocatalysis Pacific Northwest National Laboratory Richland WA 99352 USA
| | - Eric S. Wiedner
- Center for Molecular Electrocatalysis Pacific Northwest National Laboratory Richland WA 99352 USA
| | - R. Morris Bullock
- Center for Molecular Electrocatalysis Pacific Northwest National Laboratory Richland WA 99352 USA
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22
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Chambers GM, Wiedner ES, Bullock RM. H
2
Oxidation Electrocatalysis Enabled by Metal‐to‐Metal Hydrogen Atom Transfer: A Homolytic Approach to a Heterolytic Reaction. Angew Chem Int Ed Engl 2018; 57:13523-13527. [DOI: 10.1002/anie.201807510] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Indexed: 02/03/2023]
Affiliation(s)
- Geoffrey M. Chambers
- Center for Molecular Electrocatalysis Pacific Northwest National Laboratory Richland WA 99352 USA
| | - Eric S. Wiedner
- Center for Molecular Electrocatalysis Pacific Northwest National Laboratory Richland WA 99352 USA
| | - R. Morris Bullock
- Center for Molecular Electrocatalysis Pacific Northwest National Laboratory Richland WA 99352 USA
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23
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Perotto CU, Sodipo CL, Jones GJ, Tidey JP, Blake AJ, Lewis W, Davies ES, McMaster J, Schröder M. Heterobimetallic [NiFe] Complexes Containing Mixed CO/CN - Ligands: Analogs of the Active Site of the [NiFe] Hydrogenases. Inorg Chem 2018; 57:2558-2569. [PMID: 29465237 DOI: 10.1021/acs.inorgchem.7b02905] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The development of synthetic analogs of the active sites of [NiFe] hydrogenases remains challenging, and, in spite of the number of complexes featuring a [NiFe] center, those featuring CO and CN- ligands at the Fe center are under-represented. We report herein the synthesis of three bimetallic [NiFe] complexes [Ni( N2 S2)Fe(CO)2(CN)2], [Ni( S4)Fe(CO)2(CN)2], and [Ni( N2 S3)Fe(CO)2(CN)2] that each contain a Ni center that bridges through two thiolato S donors to a {Fe(CO)2(CN)2} unit. X-ray crystallographic studies on [Ni( N2 S3)Fe(CO)2(CN)2], supported by DFT calculations, are consistent with a solid-state structure containing distinct molecules in the singlet ( S = 0) and triplet ( S = 1) states. Each cluster exhibits irreversible reduction processes between -1.45 and -1.67 V vs Fc+/Fc and [Ni( N2 S3)Fe(CO)2(CN)2] possesses a reversible oxidation process at 0.17 V vs Fc+/Fc. Spectroelectrochemical infrared (IR) and electron paramagnetic resonance (EPR) studies, supported by density functional theory (DFT) calculations, are consistent with a NiIIIFeII formulation for [Ni( N2 S3)Fe(CO)2(CN)2]+. The singly occupied molecular orbital (SOMO) in [Ni( N2 S3)Fe(CO)2(CN)2]+ is based on Ni 3dz2 and 3p S with the S contributions deriving principally from the apical S-donor. The nature of the SOMO corresponds to that proposed for the Ni-C state of the [NiFe] hydrogenases for which a NiIIIFeII formulation has also been proposed. A comparison of the experimental structures, and the electrochemical and spectroscopic properties of [Ni( N2 S3)Fe(CO)2(CN)2] and its [Ni( N2 S3)] precursor, together with calculations on the oxidized [Ni( N2 S3)Fe(CO)2(CN)2]+ and [Ni( N2 S3)]+ forms suggests that the binding of the {Fe(CO)(CN)2} unit to the {Ni(CysS)4} center at the active site of the [NiFe] hydrogenases suppresses thiolate-based oxidative chemistry involving the bridging thiolate S donors. This is in addition to the role of the Fe center in modulating the redox potential and geometry and supporting a bridging hydride species between the Ni and Fe centers in the Ni-C state.
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Affiliation(s)
- Carlo U Perotto
- School of Chemistry , University of Nottingham , Nottingham , NG7 2RD , United Kingdom
| | - Charlene L Sodipo
- School of Chemistry , University of Nottingham , Nottingham , NG7 2RD , United Kingdom
| | - Graham J Jones
- School of Chemistry , University of Nottingham , Nottingham , NG7 2RD , United Kingdom
| | - Jeremiah P Tidey
- School of Chemistry , University of Nottingham , Nottingham , NG7 2RD , United Kingdom
| | - Alexander J Blake
- School of Chemistry , University of Nottingham , Nottingham , NG7 2RD , United Kingdom
| | - William Lewis
- School of Chemistry , University of Nottingham , Nottingham , NG7 2RD , United Kingdom
| | - E Stephen Davies
- School of Chemistry , University of Nottingham , Nottingham , NG7 2RD , United Kingdom
| | - Jonathan McMaster
- School of Chemistry , University of Nottingham , Nottingham , NG7 2RD , United Kingdom
| | - Martin Schröder
- The University of Manchester , Oxford Road , Manchester , M13 9PL , United Kingdom
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24
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Yuki M, Sakata K, Nakajima K, Kikuchi S, Sekine S, Kawai H, Nishibayashi Y. Dicationic Thiolate-Bridged Diruthenium Complexes for Catalytic Oxidation of Molecular Dihydrogen. Organometallics 2017. [DOI: 10.1021/acs.organomet.7b00764] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Masahiro Yuki
- Department
of Systems Innovation, School of Engineering, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Ken Sakata
- Faculty
of Pharmaceutical Sciences, Hoshi University, Ebara, Shinagawa-ku, Tokyo 142-8501, Japan
| | - Kazunari Nakajima
- Department
of Systems Innovation, School of Engineering, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Syoma Kikuchi
- Faculty
of Pharmaceutical Sciences, Hoshi University, Ebara, Shinagawa-ku, Tokyo 142-8501, Japan
| | - Shinobu Sekine
- Fuel Cell System Engineering & Development Division, Toyota Motor Corporation, Mishuku, Susono, Shizuoka 410-1193, Japan
| | - Hiroyuki Kawai
- Fuel Cell System Engineering & Development Division, Toyota Motor Corporation, Mishuku, Susono, Shizuoka 410-1193, Japan
| | - Yoshiaki Nishibayashi
- Department
of Systems Innovation, School of Engineering, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
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