THE GEOMETRY OF SMALL FULLERENE CAGES - C-20 TO C-70

被引:151
|
作者
ZHANG, BL [1 ]
WANG, CZ [1 ]
HO, KM [1 ]
XU, CH [1 ]
CHAN, CT [1 ]
机构
[1] IOWA STATE UNIV SCI & TECHNOL,DEPT PHYS & ASTRON,AMES,IA 50011
来源
JOURNAL OF CHEMICAL PHYSICS | 1992年 / 97卷 / 07期
关键词
D O I
10.1063/1.463854
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The ground-state structures of small fullerenes below C70 were determined by tight-binding molecular-dynamics total energy optimization. An efficient simulated annealing scheme was used to generate closed, hollow, spheroidal cage structures for all even-numbered carbon clusters from C20 to C70. As a general trend, fullerenes prefer geometries which separate the pentagonal rings as far apart as possible. Except for C60, C70, and C50, most fullerenes have relatively low symmetries.
引用
收藏
页码:5007 / 5011
页数:5
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