Adsorption and thermal decomposition of cobalticenium ions on AIPO4-5 studied by X-ray absorption spectroscopy, 13C solid-state NMR and FTIR

Abstract

A pentane solution of cobaltocene has been adsorbed on the aluminophosphate molecular sieve AlPO₄-5. The product (after exposure to air) contains pentane and water as well as the metallocene in its oxidised form, i.e. cobalticenium. The guest : host material was thermally decomposed at 500 °C in vacuo. XAS, FTIR and ¹³C NMR show that the thermal decomposition product (ampoules opened in air) contains cobalt atoms bonded to oxygen lattice atoms and possibly some absorbed water.