X-H---π (X = O, N, C) Hydrogen bonds in organometallic crystals

被引：168

作者：

Braga, D ^{[1
]}

Grepioni, F ^{[1
]}

Tedesco, E ^{[1
]}

机构：

[1] Univ Bologna, Dipartimento Chim G Ciamician, I-40126 Bologna, Italy

来源：

ORGANOMETALLICS | 1998年 / 17卷 / 12期

关键词：

D O I：

10.1021/om971096h

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The intermolecular interactions between X-H donors (X = C, N, O) and electron-rich pi-ligands (alkynes, arenes, and cyclopentadienyl ligands) in crystalline organometallic complexes have been investigated from data retrieved from the Cambridge Structural Database. Intermolecular X-H---pi interactions are weak hydrogen bonds following the common order of acidity H-OH > H-NH > H-CH but become more effective packing determinants when "charge-assisted" by the presence of an ionic charge (X-Hdelta+---pi(delta-)).

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页码：2669 / 2672

页数：4

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