Distinction between the weak hydrogen bond and the van der Waals interaction

被引:655
作者
Steiner, T
Desiraju, GR
机构
[1] Free Univ Berlin, Inst Kristallog, D-14195 Berlin, Germany
[2] Univ Hyderabad, Sch Chem, Hyderabad 500046, Andhra Pradesh, India
关键词
D O I
10.1039/a708099i
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The angular distributions of C-H ... O interactions for different types of C-H groups show that the directionality decreases with decreasing C-H polarisation, but that it is still clearly recognisable for methyl groups; for C-H ... H-C van der Waals contacts, in contrast, isotropic angular characteristics are observed.
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页码:891 / 892
页数:2
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