A Monte Carlo simulation of free energy relationships for the electron transfer reaction between Fe+ and Fe2+ in water

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Abstract

A free energy barrier ΔF≠ = 174.2 kJ/mol for the self‐exchange electron transfer reaction model Fe+/Fe2+ in water has been calculated by combining Monte Carlo simulations and the statistical perturbation theory. We have shown that, even for those electron transfer reactions that present a very high free energy barrier of activation, the free energy curve behaves parabolically versus the reaction coordinate, which justifies the quadratic expression for the activation free energy done by Marcus. Copyright © 1991 John Wiley & Sons, Inc.
Original languageEnglish
Pages (from-to)1165-1171
JournalJournal of Computational Chemistry
Volume12
Issue number10
DOIs
Publication statusPublished - 1 Jan 1991

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