Reflectivity and magnetic measurements show that Co(CTH)(Phendiox)]PF6 . H2O (CTH = DL-5,7,7,12,14,14-9,10-hexamethyl-1,4,8,11-tetraazacyclotetradecane and Phendiox = semiquinonato or catecholato forms of 9,10-dioxophenantherene) undergoes valence tautomeric interconversion cobalt(III)-catecholato to cobalt(II)-semiquinonato upon light irradiation. This compound is the simplest cobalt-o-dioxolene complex undergoing this transition. The critical temperatures of the photoinduced transition and of the entropy driven transition seem to be related by the same empirical relationships observed for iron(II) spin crossover compounds.
Optically switchable behaviour of a dioxolene adduct of a cobalt-macrocycle complex
Sangregorio C;
2004
Abstract
Reflectivity and magnetic measurements show that Co(CTH)(Phendiox)]PF6 . H2O (CTH = DL-5,7,7,12,14,14-9,10-hexamethyl-1,4,8,11-tetraazacyclotetradecane and Phendiox = semiquinonato or catecholato forms of 9,10-dioxophenantherene) undergoes valence tautomeric interconversion cobalt(III)-catecholato to cobalt(II)-semiquinonato upon light irradiation. This compound is the simplest cobalt-o-dioxolene complex undergoing this transition. The critical temperatures of the photoinduced transition and of the entropy driven transition seem to be related by the same empirical relationships observed for iron(II) spin crossover compounds.File in questo prodotto:
Non ci sono file associati a questo prodotto.
I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
