A variety of new diiron-carbonyl complexes as models for the active site of [Fe-Fe] hydrogenase enzyme containing polyaromatic thiolato groups have been synthesized and characterized via spectroscopic methods and X-ray crystallography. The electrochemical properties of these complexes have been determined by cyclic voltammetry and will be presented. Electrocatalytic reduction of protons to molecular hydrogen using these complexes has been conducted. The effect of the ligands on the electrochemical properties and catalytic activity is examined.

Synthetic models of iron-sulfur enzymes: Catalysts for hydrogen evolution

243rd National Meeting (2012)

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