Ab initio analysis of pentadienyllithium, pentadienylsodium, and the pentadienyl ions

被引:24
作者
Pratt, LM [1 ]
Streitwieser, A [1 ]
机构
[1] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA
关键词
D O I
10.1021/jo990674w
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Ab initio calculations were used to determine the equilibrium geometries and rotational barriers of the pentadienyl cation, anion, and metalated pentadienes. Pentadienyllithium and pentadienylsodium are most stable in a U-shaped structure. This geometry is a higher energy local minimum for the pentadienyl anion and is not a stationary point for the pentadienyl cation. The atomic and group charges were analyzed by natural population analysis and were determined for each of the conformations studied.
引用
收藏
页码:290 / 294
页数:5
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