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Acc Chem Res. 2002 Apr;35(4):247-54. doi: 10.1021/ar0101077.

Intermolecular electron transfer reactivity determined from cross-rate studies.

Accounts of chemical research

Stephen F Nelsen, Jack R Pladziewicz

Affiliations

  1. Department of Chemistry, University of Wisconsin-Madison, Wisconsin 53706-1396, USA.

PMID: 11955053 DOI: 10.1021/ar0101077

Abstract

Electron-transfer cross-reactions between neutral molecules and their radical cations spanning a wide range of structural type and intrinsic reactivity have been analyzed using classical Marcus theory. The principal factor found to govern intrinsic reactivity is the inner-shell bond reorganization energy. The HOMO-LUMO overlap of alkyl groups on reacting molecules is generally sufficient to provide facile electron transfer; however, a significant steric effect on this overlap is observed for hydrazines with alkyl groups larger than methyl.

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