Weak interactions induce asymmetry in the crystal structures of triaryl derivatives of group 14 elements

被引：22

作者：

Prince, PD ^{[1
]}

McGrady, GS ^{[1
]}

Steed, JW ^{[1
]}

机构：

[1] Kings Coll London, Dept Chem, London WC2R 2LS, England

来源：

NEW JOURNAL OF CHEMISTRY | 2002年 / 26卷 / 04期

关键词：

D O I：

10.1039/b105457k

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A search of the CSD shows that 42% of compounds of type Ph3EX (E = group 14 element, X = halogen) possess more than one molecule in the asymmetric unit (Z' > 1). This phenomenon is rationalised in terms of CH X hydrogen bonding and confirmed by the preparation of Ph3GeI. A remarkable Z' = 4 structure of Ph3GeCl is shown to arise from site-selective inclusion of Ph3GeH impurity.

引用

页码：457 / 461

页数：5

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