ChemInform Abstract: Large Positive Activation Volume (+38 cm3 mol‐1) for the Intramolecular Electron‐Transfer Reaction from Iron(II) to Cobalt(III) in (μ‐Pyrazine‐N,N′)(pentaamminecobalt(III))pentacyanoiron(II) in Aqueous Solution.

Abstract

The title reaction shown gives an activation volume of +38 ± 1 cm3mol‐1, which is among the largest positive activation volumes ever observed for electron‐transfer reactions of metal complexes.