Isolation and characterization of a new isomer of Ca@C-72

Ichikawa T; Kodama T; Suzuki S; Fujii R; Nishikawa H; Ikemoto I; Kikuchi K; Achiba Y

Chemistry Letters, Vol.33, No.8, 1008-1009, 2004

DOI10.1246/cl.2004.1008 Export Citation

Isolation and characterization of a new isomer of Ca@C-72

Ichikawa T, Kodama T, Suzuki S, Fujii R, Nishikawa H, Ikemoto I, Kikuchi K, Achiba Y

We isolated a new (second) isomer of Ca@C-72. As a result of this discovery, it was confirmed that at least one of the two Ca@C-72 isomers has a C-72 cage that does not satisfy the so-called isolated pentagon rule (IPR), because C-72 has only one IPR cage structure.