C-7(+) IS CYCLIC - EXPERIMENTAL-EVIDENCE

被引:37
作者
VON HELDEN, G [1 ]
GOTTS, NG [1 ]
BOWERS, MT [1 ]
机构
[1] UNIV CALIF SANTA BARBARA, DEPT CHEM, SANTA BARBARA, CA 93106 USA
基金
美国国家科学基金会;
关键词
D O I
10.1016/0009-2614(93)89320-H
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
Gas-phase ion chromatography experiments with variable injection energies were performed on C-7+ made by laser vaporization of graphite and by collision-induced dissociation of C-10+ and C-12+. In all cases, the C-7+ cyclic isomer dominates over the linear isomer at lowest injection energies, indicating the cyclic isomer is the most stable form. This result is consistent with ab initio calculations and a kinetic model developed here.
引用
收藏
页码:241 / 246
页数:6
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