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Kaim V, Joshi M, Stein M, Kaur-Ghumaan S. Mononuclear manganese complexes as hydrogen evolving catalysts. Front Chem 2022; 10:993085. [PMID: 36277350 PMCID: PMC9585328 DOI: 10.3389/fchem.2022.993085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 08/05/2022] [Indexed: 12/04/2022] Open
Abstract
Molecular hydrogen (H2) is one of the pillars of future non-fossil energy supply. In the quest for alternative, non-precious metal catalysts for hydrogen generation to replace platinum, biological systems such as the enzyme hydrogenase serve as a blueprint. By taking inspiration from the bio-system, mostly nickel- or iron-based catalysts were explored so far. Manganese is a known oxygen-reducing catalyst but has received much less attention for its ability to reduce protons in acidic media. Here, the synthesis, characterization, and reaction mechanisms of a series of four mono-nuclear Mn(I) complexes in terms of their catalytic performance are reported. The effect of the variation of equatorial and axial ligands in their first and second coordination spheres was assessed pertaining to their control of the turnover frequencies and overpotentials. All four complexes show reactivity and reduce protons in acidic media to release molecular hydrogen H2. Quantum chemical studies were able to assign and interpret spectral characterizations from UV–Vis and electrochemistry and rationalize the reaction mechanism. Two feasible reaction mechanisms of electrochemical (E) and protonation (C) steps were compared. Quantum chemical studies can assign peaks in the cyclic voltammetry to structural changes of the complex during the reaction. The first one-electron reduction is essential to generate an open ligand-based site for protonation. The distorted octahedral Mn complexes possess an inverted second one-electron redox potential which is a pre-requisite for a swift and facile release of molecular hydrogen. This series on manganese catalysts extends the range of elements of the periodic table which are able to catalyze the hydrogen evolution reaction and will be explored further.
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Affiliation(s)
- Vishakha Kaim
- Department of Chemistry, University of Delhi, Delhi,India
| | - Meenakshi Joshi
- Max-Planck-Institute for Dynamics of Complex Technical Systems, Molecular Simulations and Design Group, Magdeburg, Germany
| | - Matthias Stein
- Max-Planck-Institute for Dynamics of Complex Technical Systems, Molecular Simulations and Design Group, Magdeburg, Germany
- *Correspondence: Matthias Stein, ; Sandeep Kaur-Ghumaan,
| | - Sandeep Kaur-Ghumaan
- Department of Chemistry, University of Delhi, Delhi,India
- *Correspondence: Matthias Stein, ; Sandeep Kaur-Ghumaan,
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2
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Arrigoni F, Rizza F, Bertini L, De Gioia L, Zampella G. Toward diiron dithiolato biomimetics with rotated conformation of the [FeFe]‐hydrogenase active site: a DFT case study on electron rich isocyanide based scaffolds. Eur J Inorg Chem 2022. [DOI: 10.1002/ejic.202200153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Federica Arrigoni
- Università degli Studi di Milano-Bicocca Biblioteca di Ateneo: Universita degli Studi di Milano-Bicocca Biotecnologie e Bioscienze ITALY
| | - Fabio Rizza
- University of Milano–Bicocca: Universita degli Studi di Milano-Bicocca Scienze ambientali e del terrirorio ITALY
| | - Luca Bertini
- University of Milano–Bicocca: Universita degli Studi di Milano-Bicocca Biotecnologie e Bioscienze ITALY
| | - Luca De Gioia
- University of Milano–Bicocca: Universita degli Studi di Milano-Bicocca Biotecnologie e Bioscienze ISRAEL
| | - Giuseppe Zampella
- Universita degli Studi di Milano-Bicocca Biotechnology and Biosciences Piazza della Scienza 2 20126 Milan ITALY
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3
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Natarajan M, Kumar N, Joshi M, Stein M, Kaur‐Ghumaan S. Mechanism of Diiron Hydrogenase Complexes Controlled by Nature of Bridging Dithiolate Ligand. ChemistryOpen 2022; 11:e202100238. [PMID: 34981908 PMCID: PMC8734113 DOI: 10.1002/open.202100238] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 12/12/2021] [Indexed: 01/22/2023] Open
Abstract
Bio-inorganic complexes inspired by hydrogenase enzymes are designed to catalyze the hydrogen evolution reaction (HER). A series of new diiron hydrogenase mimic complexes with one or two terminal tris(4-methoxyphenyl)phosphine and different μ-bridging dithiolate ligands and show catalytic activity towards electrochemical proton reduction in the presence of weak and strong acids. A series of propane- and benzene-dithiolato-bridged complexes was synthesized, crystallized, and characterized by various spectroscopic techniques and quantum chemical calculations. Their electrochemical properties as well as the detailed reaction mechanisms of the HER are elucidated by density functional theory (DFT) methods. The nature of the μ-bridging dithiolate is critically controlling the reaction and performance of the HER of the complexes. In contrast, terminal phosphine ligands have no significant effects on redox activities and mechanism. Mono- or di-substituted propane-dithiolate complexes afford a sequential reduction (electrochemical; E) and protonation (chemical; C) mechanism (ECEC), while the μ-benzene dithiolate complexes follow a different reaction mechanism and are more efficient HER catalysts.
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Affiliation(s)
| | - Naveen Kumar
- Department of ChemistryUniversity of DelhiDelhi110007India
| | - Meenakshi Joshi
- Max-Planck-Institute for Dynamics of Complex Technical SystemsMolecular Simulations and Design GroupSandtorstrasse 139106MagdeburgGermany
| | - Matthias Stein
- Max-Planck-Institute for Dynamics of Complex Technical SystemsMolecular Simulations and Design GroupSandtorstrasse 139106MagdeburgGermany
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4
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Catalytic systems mimicking the [FeFe]-hydrogenase active site for visible-light-driven hydrogen production. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.214172] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Pandey I, Agarwal T, Mobin SM, Stein M, Kaur-Ghumaan S. Switching Site Reactivity in Hydrogenase Model Systems by Introducing a Pendant Amine Ligand. ACS OMEGA 2021; 6:4192-4203. [PMID: 33644543 PMCID: PMC7906588 DOI: 10.1021/acsomega.0c04901] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Accepted: 12/24/2020] [Indexed: 06/12/2023]
Abstract
Hydrogenases are versatile enzymatic catalysts with an unmet hydrogen evolution reactivity (HER) from synthetic bio-inspired systems. The binuclear active site only has one-site reactivity of the distal Fed atom. Here, binuclear complexes [Fe2(CO)5(μ-Mebdt)(P(4-C6H4OCH3)3)] 1 and [Fe2(CO)5(μ-Mebdt)(PPh2Py)] 2 are presented, which show electrocatalytic activity in the presence of weak acids as a proton source for the HER. Despite almost identical structural and spectroscopic properties (bond distances and angles from single-crystal X-ray; IR, UV/vis, and NMR), introduction of a nitrogen base atom in the phosphine ligand in 2 markedly changes site reactivity. The bridging benzenedithiolate ligand Mebdt interacts with the terminal ligand's phenyl aromatic rings and stabilizes the reduced states of the catalysts. Although 1 with monodentate phosphine terminal ligands only shows a distal iron atom HER activity by a sequence of electrochemical and protonation steps, the lone pair of pyridine nitrogen in 2 acts as the primary site of protonation. This swaps the iron atom catalytic activity toward the proximal iron for complex 2. Density-functional theory (DFT) calculations reveal the role of terminal phosphines ligands without/with pendant amines by directing the proton transfer steps. The reactivity of 1 is a thiol-based protonation of a dangling bond in 1- and distal iron hydride mechanism, which may follow either an ECEC or EECC sequence, depending on the choice of acid. The pendant amine in 2 enables a terminal ligand protonation and an ECEC reactivity. The introduction of a terminal nitrogen atom enables the control of site reactivity in a binuclear system.
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Affiliation(s)
| | - Tashika Agarwal
- Department
of Chemistry, University of Delhi, Delhi 110007, India
| | - Shaikh M. Mobin
- Discipline
of Chemistry, Indian Institute of Technology
Indore, Simrol, Khandwa Road, Indore 453552, India
| | - Matthias Stein
- Max
Planck Institute for Dynamics of Complex Technical Systems, Sandtorstrasse 1, 39106 Magdeburg, Germany
| | - Sandeep Kaur-Ghumaan
- Department
of Chemistry, University of Delhi, Delhi 110007, India
- Max
Planck Institute for Dynamics of Complex Technical Systems, Sandtorstrasse 1, 39106 Magdeburg, Germany
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6
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Abul-Futouh H, Almazahreh LR, Abaalkhail SJ, Görls H, Stripp ST, Weigand W. Ligand effects on structural, protophilic and reductive features of stannylated dinuclear iron dithiolato complexes. NEW J CHEM 2021. [DOI: 10.1039/d0nj04790b] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The synthesis and characterization of Fe2(CO)5(L){μ-(SCH2)2SnMe2} (L = PPh3 (2) and P(OMe)3 (3)) derived from the parent hexacarbonyl complex Fe2(CO)6{μ-(SCH2)2}SnMe2 (1) are reported.
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Affiliation(s)
- Hassan Abul-Futouh
- Department of Pharmacy
- Al-Zaytoonah University of Jordan
- Amman 11733
- Jordan
| | - Laith R. Almazahreh
- ERCOSPLAN Ingenieurbüro Anlagentechnik GmbH
- 99096 Erfurt
- Germany
- Institut für Anorganische und Analytische Chemie
- Friedrich-Schiller-Universität Jena
| | - Sara J. Abaalkhail
- Department of Pharmacy
- Al-Zaytoonah University of Jordan
- Amman 11733
- Jordan
| | - Helmar Görls
- Institut für Anorganische und Analytische Chemie
- Friedrich-Schiller-Universität Jena
- 07743 Jena
- Germany
| | - Sven T. Stripp
- Bioinorganic Spectroscopy
- Department of Physics
- Freie Universität Berlin
- 1495 Berlin
- Germany
| | - Wolfgang Weigand
- Institut für Anorganische und Analytische Chemie
- Friedrich-Schiller-Universität Jena
- 07743 Jena
- Germany
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7
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Kleinhaus JT, Wittkamp F, Yadav S, Siegmund D, Apfel UP. [FeFe]-Hydrogenases: maturation and reactivity of enzymatic systems and overview of biomimetic models. Chem Soc Rev 2021; 50:1668-1784. [DOI: 10.1039/d0cs01089h] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
[FeFe]-hydrogenases recieved increasing interest in the last decades. This review summarises important findings regarding their enzymatic reactivity as well as inorganic models applied as electro- and photochemical catalysts.
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Affiliation(s)
| | | | - Shanika Yadav
- Inorganic Chemistry I
- Ruhr University Bochum
- 44801 Bochum
- Germany
| | - Daniel Siegmund
- Department of Electrosynthesis
- Fraunhofer UMSICHT
- 46047 Oberhausen
- Germany
| | - Ulf-Peter Apfel
- Inorganic Chemistry I
- Ruhr University Bochum
- 44801 Bochum
- Germany
- Department of Electrosynthesis
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8
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Collado A, Torres A, Gómez‐Gallego M, Casarrubios L, Sierra MA. A Model for the Prediction of the Redox Potentials in [FeFe]‐Clusters from the Electronic Properties of Isocyanide Ligands. ChemistrySelect 2020. [DOI: 10.1002/slct.202001820] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Alba Collado
- Departamento de Química Orgánica and Centro de Innovación en Química Avanzada (ORFEO-CINQA)Facultad de QuímicaUniversidad Complutense 28040 Madrid Spain
| | - Alejandro Torres
- Departamento de Química Orgánica and Centro de Innovación en Química Avanzada (ORFEO-CINQA)Facultad de QuímicaUniversidad Complutense 28040 Madrid Spain
| | - Mar Gómez‐Gallego
- Departamento de Química Orgánica and Centro de Innovación en Química Avanzada (ORFEO-CINQA)Facultad de QuímicaUniversidad Complutense 28040 Madrid Spain
| | - Luis Casarrubios
- Departamento de Química Orgánica and Centro de Innovación en Química Avanzada (ORFEO-CINQA)Facultad de QuímicaUniversidad Complutense 28040 Madrid Spain
| | - Miguel A. Sierra
- Departamento de Química Orgánica and Centro de Innovación en Química Avanzada (ORFEO-CINQA)Facultad de QuímicaUniversidad Complutense 28040 Madrid Spain
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9
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Etinski M, Stanković IM, Puthenkalathil RC, Ensing B. A DFT study of structure and electrochemical properties of diiron-hydrogenase models with benzenedithiolato and benzenediselenato ligands. NEW J CHEM 2020. [DOI: 10.1039/c9nj04887a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The chalcogen atom substitution in the Fe2(bdt)(CO)6 complex results in higher and lower proton affinities of iron and chalcogen atoms, respectively.
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Affiliation(s)
- Mihajlo Etinski
- Faculty of Physical Chemistry
- University of Belgrade
- 11000 Belgrade
- Serbia
| | | | - Rakesh C. Puthenkalathil
- Van't Hoff Institute for Molecular Sciences (HIMS)
- University of Amsterdam
- 1098 XH Amsterdam
- The Netherlands
| | - Bernd Ensing
- Van't Hoff Institute for Molecular Sciences (HIMS)
- University of Amsterdam
- 1098 XH Amsterdam
- The Netherlands
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10
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Arrigoni F, Bertini L, Breglia R, Greco C, De Gioia L, Zampella G. Catalytic H 2 evolution/oxidation in [FeFe]-hydrogenase biomimetics: account from DFT on the interplay of related issues and proposed solutions. NEW J CHEM 2020. [DOI: 10.1039/d0nj03393f] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A DFT overview on selected issues regarding diiron catalysts related to [FeFe]-hydrogenase biomimetic research, with implications for both energy conversion and storage strategies.
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Affiliation(s)
- Federica Arrigoni
- Department of Biotechnology and Biosciences
- University of Milano – Bicocca
- 20126 Milan
- Italy
| | - Luca Bertini
- Department of Biotechnology and Biosciences
- University of Milano – Bicocca
- 20126 Milan
- Italy
| | - Raffaella Breglia
- Department of Biotechnology and Biosciences
- University of Milano – Bicocca
- 20126 Milan
- Italy
- Department of Earth and Environmental Sciences
| | - Claudio Greco
- Department of Biotechnology and Biosciences
- University of Milano – Bicocca
- 20126 Milan
- Italy
- Department of Earth and Environmental Sciences
| | - Luca De Gioia
- Department of Biotechnology and Biosciences
- University of Milano – Bicocca
- 20126 Milan
- Italy
| | - Giuseppe Zampella
- Department of Biotechnology and Biosciences
- University of Milano – Bicocca
- 20126 Milan
- Italy
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11
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Gao S, Liu Y, Shao Y, Jiang D, Duan Q. Iron carbonyl compounds with aromatic dithiolate bridges as organometallic mimics of [FeFe] hydrogenases. Coord Chem Rev 2020. [DOI: 10.1016/j.ccr.2019.213081] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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12
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Birrell JA, Pelmenschikov V, Mishra N, Wang H, Yoda Y, Tamasaku K, Rauchfuss TB, Cramer SP, Lubitz W, DeBeer S. Spectroscopic and Computational Evidence that [FeFe] Hydrogenases Operate Exclusively with CO-Bridged Intermediates. J Am Chem Soc 2019; 142:222-232. [PMID: 31820961 PMCID: PMC6956316 DOI: 10.1021/jacs.9b09745] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
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[FeFe] hydrogenases are extremely active H2-converting
enzymes. Their mechanism remains highly controversial, in particular,
the nature of the one-electron and two-electron reduced intermediates
called HredH+ and HsredH+. In one model, the HredH+ and HsredH+ states contain a semibridging CO, while in the other
model, the bridging CO is replaced by a bridging hydride. Using low-temperature
IR spectroscopy and nuclear resonance vibrational spectroscopy, together
with density functional theory calculations, we show that the bridging
CO is retained in the HsredH+ and HredH+ states in the [FeFe] hydrogenases from Chlamydomonas
reinhardtii and Desulfovibrio desulfuricans, respectively. Furthermore, there is no evidence for a bridging
hydride in either state. These results agree with a model of the catalytic
cycle in which the HredH+ and HsredH+ states are integral, catalytically competent components.
We conclude that proton-coupled electron transfer between the two
subclusters is crucial to catalysis and allows these enzymes to operate
in a highly efficient and reversible manner.
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Affiliation(s)
- James A Birrell
- Max Planck Institute for Chemical Energy Conversion , Stiftstrasse 34-36 , 45470 Mülheim an der Ruhr , Germany
| | - Vladimir Pelmenschikov
- Institut für Chemie , Technische Universität Berlin , Strasse des 17 Juni 135 , 10623 Berlin , Germany
| | - Nakul Mishra
- Department of Chemistry , University of California, Davis , One Shields Avenue , Davis , California 95616 , United States
| | - Hongxin Wang
- Department of Chemistry , University of California, Davis , One Shields Avenue , Davis , California 95616 , United States
| | - Yoshitaka Yoda
- JASRI Spring-8, 1-1-1 Kouto, Mikazuki-cho , Sayo-gun , Hyogo 679-5198 , Japan
| | - Kenji Tamasaku
- JASRI Spring-8, 1-1-1 Kouto, Mikazuki-cho , Sayo-gun , Hyogo 679-5198 , Japan
| | - Thomas B Rauchfuss
- School of Chemical Sciences , University of Illinois , 600 S. Mathews Avenue , Urbana , Illinois 61801 , United States
| | - Stephen P Cramer
- SETI Institute , Mountain View , California 94043 , United States
| | - Wolfgang Lubitz
- Max Planck Institute for Chemical Energy Conversion , Stiftstrasse 34-36 , 45470 Mülheim an der Ruhr , Germany
| | - Serena DeBeer
- Max Planck Institute for Chemical Energy Conversion , Stiftstrasse 34-36 , 45470 Mülheim an der Ruhr , Germany
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