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Authors: | Sellmann Geipel Moll |
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Affiliation: | Institut für Anorganische Chemie Universit?t Erlangen-Nürnberg Egerlandstrasse 1, 91058 Erlangen (Germany). |
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Abstract: | How do [NiFe] hydrogenases activate H(2)? Hydrogenases are key enzymes in the biological hydrogen and energy metabolism; the mechanism of H(2) activation, however, is unclarified. In particular, the oxidation states of the metals involved are discussed controversially. The title complex demonstrates that a distorted diamagnetic Ni(II) center and thiolate donors are sufficient (see picture) to catalyze the key reaction of hydrogenases, the H(2) heterolysis. |
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