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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-3454

VandeVondele, J; Ayala, R; Sulpizi, M; Sprik, M (2007). Redox free energies and one-electron energy levels in density functional theory based ab initio molecular dynamics. Journal of Electroanalytical Chemistry, 607(1-2):113-120.

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Abstract

The density functional theory based ab initio molecular dynamics method combines electronic structure calculation and statistical mechanics and should, therefore, ideally be a tool for ``first principle'' computation of redox free energies in the sense that the redox active solutes and solvent are treated at the same level of theory. In this paper, we give a brief outline how such an approach call be implemented in the framework of the Marcus theory of electron transfer. The method is illustrated and validated using results of previous work. We then continue with a theoretical analysis of the correlation between the energies of one-electron states and redox potentials exploiting the separation in vertical ionization and reorganization contributions inherent in Marcus theory. Testing this relation on the limited set of reactions investigated sofar we find that it is satisfied within the uncertainties of the computation.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Chemistry
DDC:540 Chemistry
Language:English
Date:2007
Deposited On:22 Mar 2009 20:17
Last Modified:05 Jun 2014 13:51
Publisher:Elsevier
ISSN:0022-0728
Publisher DOI:10.1016/j.jelechem.2007.01.009

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