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Catalytic Hydrogen Evolution from Mononuclear Iron(II) Carbonyl Complexes as Minimal Functional Models of the [FeFe] Hydrogenase Active Site
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Photochemistry and Molecular Science, Molecular Biomimetics.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Photochemistry and Molecular Science, Molecular Biomimetics.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Photochemistry and Molecular Science, Chemical Physics.
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2010 (English)In: Angewandte Chemie International Edition, ISSN 1433-7851, E-ISSN 1521-3773, Vol. 49, no 43, 8033-8036 p.Article in journal (Refereed) Published
Abstract [en]

How much iron does it take? Mononuclear complexes [FeII(3,6-R2bdt)(CO)2(PMe3)2] (bdt=1,2-C6H4(Sāˆ’)2; R=H, Cl) can be reversibly protonated at the sulfur ligands, can catalyze the electrochemical reduction of protons, and are thus minimal functional models of the [FeFe] hydrogenases (see scheme). DFT calculations show that cleavage of an FeS bond leads to the generation of a free coordination site, which is crucial for the formation of hydrides that are key intermediates in the generation of hydrogen.

Place, publisher, year, edition, pages
2010. Vol. 49, no 43, 8033-8036 p.
Keyword [en]
bioinorganic chemistry, enzyme catalysis, hydrogen production, hydrogenases, iron complexes
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-135378DOI: 10.1002/anie.201002719ISI: 000283818600042OAI: oai:DiVA.org:uu-135378DiVA: diva2:374869
Available from: 2010-12-06 Created: 2010-12-06 Last updated: 2017-12-11

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Lomoth, ReinerOtt, Sascha

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