13C NMR spectroscopic study of scandium dimetallofullerene, Sc2@C84vs. Sc2C2@C82
Abstract
Although Sc2C84 has been widely believed to have the form Sc2@C84, the present 13C NMR study reveals that it is a scandium carbide metallofullerene, Sc2C2@C82, which has a C82(C3v) cage.