Polynuclear reaction sites are implicated for mediating reactivity in both heterogeneous catalysis and at biological cluster cofactors. Within the reaction site, the role of the individual metal remains unclear. To address this question, we have synthesized bimetallic heterotrinuclear clusters featuring iron and redox-inactive zinc. We are examining how the presence of the redox-inactive zinc site(s) influence how redox is mediated at the iron positions by spectroscopic examination of an electron transfer series. An examination of the resultant reaction chemistry for the bimetallic cores will also help illuminate the role of electronic structure in reactivity.

Electronic structure and reactivity of mixed metal zinc-iron trinuclear species

248th National Meeting (2014)

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