Preparation and crystal structure of D2d-C84(23)Cl24 chlorofullerene

Chlorofullerene D_2d-C₈₄(23)Cl₂₄ was prepared by chlorination of D_2d-C₈₄(23) with VCl₄ or SbCl₅ at 320–350 °C. An X-ray crystallographic study with the use of synchrotron radiation revealed the addition pattern of 24 Cl atoms stabilized by the formation of isolated C=C bonds and benzenoid rings on the carbon cage.