The structure of C60 is well-known: a perfectly symmetrical sphere of 12 isolated pentagons. But this is only one of 1,812 possible isomers, and the only one to obey the isolated-pentagon rule. So far it has been the only form observed. But now two isomers without isolated pentagons have been made.
- Yuan-Zhi Tan
- Zhao-Jiang Liao
- Lan-Sun Zheng