Quantum-chemical study of the four-electron catalytic oxidation of water to dioxygen in the presence of dinuclear and tetranuclear hydroxide complexes of cobalt(III) and iron(III): Intermediates of the catalytic cycle and their relative energiesM.J. Filatov; G.L. Elizarova; O.V. Gerasimov; G.M. Zhidomirov; V.N. Parmon · 1994