Synthesis and crystal structure of hexacerium(IV) cluster-containing Keggin polyoxometalate trimer

A novel hexacerium(IV) cluster-containing polyoxometalate, K18Ce6-POM, was unexpectedly obtained, and unequivocally characterized by X-ray crystallography, 1H, 13C, 29Si, and 183W NMR, FTIR, complete elemental analysis, and TG/DTA.239