Electrochemical catalysis investigation into the dynamic coordination properties of a pyridine-substituted [2Fe2S] model complex

A pyridine substituted [2Fe2S] model complex 1 was fully characterized by spectroscopic methods and single-crystal structure analysis. The investigation of complex 1 has demonstrated that a reversible transformation reaction between the complex 1 and (μ-dmedt)Fe2(CO)5(NCCH3), which could mimic the function of the flexible coordination site in the hydrogenases. Electrochemical studies showed complex 1 has the ability to catalyze hydrogen evolution from HOAc and aqueous media at −1.26 V.285