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Inorg Chem. 2007 May 14;46(10):4022-7. doi: 10.1021/ic062030u. Epub 2007 Apr 21.

Density functional theory and ab initio study of electronic and electrochemistry properties of the tetranuclear sandwich complex [FeIII4(H2O)2(PW9O34)2]6-.

Inorganic chemistry

Susanna Romo, Jorge A Fernández, Joan Miquel Maestre, Bineta Keita, Louis Nadjo, Coen de Graaf, Josep M Poblet

Affiliations

  1. Departament de Química Física i Inorgànica, Universitat Rovira i Virgili, Marcel.lí Domingo s/n, 43007 Tarragona, Spain.

PMID: 17447755 DOI: 10.1021/ic062030u

Abstract

Quantum chemistry calculations have been performed to unravel the electronic and electrochemical properties of a FeIII-sandwich polyoxometalate. Using a combination of methods, it is shown that in these clusters the first reduction occurs in the so-called external Fe, which is bonded to a water ligand. Calculations also show that the electron reductions are coupled with protonation processes, in full agreement with existing experimental results.

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