Electron transfer mechanisms: a mechanistic changeover induced by an intramolecular spacer in a model reaction of the NH3/C2H4˙+ pair
Abstract
Computational evidence is reported for a reversal in the type of an electron transfer (ET) mechanism, induced by an intramolecular linkage of the donor (amine) and acceptor (cation radical) moieties via a single –CH2– spacer. An isotope effect probe is suggested to detect this mechanistic changeover.