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半经验分子轨道法的电子密度拓扑分析(Ⅰ)
The Method of Topologization on the Distribution of Electronic Density from Semi-experimental SCF-MO Method(Ⅰ)
【摘要】 在CNDO/2基础上,考虑到内层电子校正,对一些小分子的键鞍点、环鞍点等量子扑学性质做了计算与讨论,取得了和Bader等在从头算基础上的结果定性一致的结论。
【Abstract】 The topological analysis on the electronic density distributions of which based on CNDO calculations has been studied. Adding the inner-electron contri-bution the total charge distributions were obtained, on which the topblbgical properties of small molecules and B2H6 (bridge), CH5+ were discussed. The results of calculations in this paper are accordant with the conclusions of Barter’s work qualitatively.
【关键词】 量子拓扑;
电子密度;
CNDO/2;
键鞍点;
【Key words】 Topologization; Electronic density; CNDO/2; Bond critical point;
【Key words】 Topologization; Electronic density; CNDO/2; Bond critical point;
【基金】 国家自然科学基金
- 【文献出处】 高等学校化学学报 ,Chemical Research In Chinese Universities , 编辑部邮箱 ,1988年11期
- 【被引频次】3
- 【下载频次】70