SIGMA-BRIDGED-PI BONDING IN SMALL-RING COMPOUNDS

被引：74

作者：

LIANG, CX ^{[1
]}

ALLEN, LC ^{[1
]}

机构：

[1] PRINCETON UNIV,DEPT CHEM,PRINCETON,NJ 08544

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 1991年 / 113卷 / 06期

关键词：

D O I：

10.1021/ja00006a002

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Sigma-bridged-pi orbitals characterize the three-center bonds that often occur in electron-sufficient, small-ring compounds made of atoms such as C, N, O, Si, P, and S. This bonding pattern proves efficient in explaining bond length changes and strain energies in three-membered rings and the unusual geometries of some four-membered rings. It is also shown that explanations based on this type of orbital are compatible with a number of other theoretical models in the literature and that use of the sigma-bridged-pi-bonding concept helps extend and unify them.

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页码：1878 / 1884

页数：7

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