Supramolecular, bifurcated N-H•••OC-M bonding explains unusually low vCO frequencies in metal carbonyl compounds:: A case study

被引：16
作者：
Braunstein, P
Taquet, JP
Siri, O
Welter, R
机构：
[1] Univ Strasbourg 1, Chim Coordinat Lab, CNRS, Inst Bel,UMR 7513, F-67070 Strasbourg, France
[2] Univ Strasbourg 1, Lab DECMET, CNRS, Inst Bel,UMR 7513, F-67070 Strasbourg, France
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2004年 / 43卷 / 44期
关键词：
carbonyl ligands; hydrogen bonds; IR spectroscopy; structure elucidation; supramolecular chemistry;
D O I：
10.1002/anie.200461175
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
New tricks for an old dog: The solid-state structure of cis-[W(CO) 4(piperidine)2] reveals an intermolecular, bifurcated H-bonding network involving the N-H protons and the two CO ligands trans to the piperidine ligands (see X-ray crystal structure; C gray, H green, N blue, O red, W magenta). Such an arrangement accounts for vco absorptions as low as 1768cm-1!
引用
收藏
页码：5922 / 5925
页数：4
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