How to make weak hydrogen bonds less weak

被引：52
|
作者：
Braga, D [1 ]
Grepioni, F [1 ]
机构：
[1] Univ Bologna, Dipartimento Chim G Ciamician, I-40126 Bologna, Italy
来源：
NEW JOURNAL OF CHEMISTRY | 1998年 / 22卷 / 11期
关键词：
D O I：
10.1039/a806554c
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Interionic C-H ... O hydrogen bond distances have been investigated in organometallic and inorganic salts showing that the average lengths unequivocally follow the order [(M)C-H](+)...[O](-) < (M)C-H ... O (M = first row transition metal) and [(PPh4)C-H](+)...[O-M](-) < [(PPN)C-H](+)...[O-M](-) < [(BPh4)C-H](-)... [O-M](+), which is the order of decreasing charge assistance to the weak hydrogen bonds.
引用
收藏
页码：1159 / 1161
页数：3
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