On the electrochemistry of diiron dithiolate complexes related to the active site of the [FeFe]H2ase |
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Affiliation: | UMR CNRS 6521, « Chimie, électrochimie moléculaires et chimie analytique », Université de Bretagne occidentale, 6, avenue Victor-Le-Gorgeu, 29285 Brest cedex, France |
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Abstract: | A few recent electrochemical studies of diiron models of the iron-only hydrogenases' active site are summarized. Emphasis is put on the reduction mechanisms of hexacarbonyl complexes and on the different mechanisms of proton reduction that may operate depending on the nature of the complex and the strength of the acid. An attempt is made to discuss the thermodynamic and kinetic limitations of proton reduction processes supported by these compounds. |
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