Deactivation of biacetyl triplets by cyanocobaltate(III) complexes
Abstract
The rate of electronic energy transfer from biacetyl triplets to Co(CN)5(X)n–(X = CN–, MeCN, pyridine, N3–, H2O, or SCN–) is strongly dependent on the energy of the first spin-allowed d–d transition of Co(CN)5(X)n–, and (for X = CN–, N3–, and SCN–) the direct and sensitized photosubstitution yields are the same, implying a common reactive state.