Controlling the bonding of CO on cobalt clusters by coadsorption of H2

被引：19
|
作者：
Swart, Ingmar
Fielicke, Andre
Rayner, David M.
Meijer, Gerard
Weckhuysen, Bert M.
de Groot, Frank M. F.
机构：
[1] Max Planck Gesell, Fritz Haber Inst, D-14195 Berlin, Germany
[2] Univ Utrecht, Fac Sci, Dept Chem, NL-3584 CA Utrecht, Netherlands
[3] Natl Res Council Canada, Steacie Inst Mol Sci, Ottawa, ON K1A 0R6, Canada
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2007年 / 46卷 / 28期
关键词：
carbon monoxide; cluster compounds; coadsorption; cobalt; IR spectroscopy;
D O I：
10.1002/anie.200605165
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
H in control (of the electrons): The bond strength of CO on small cationic cobalt clusters, as indicated by the C-O stretching band in the IR spectrum, can be precisely controlled by coadsorption of H2 molecules. Each coadsorbed H atom reduces the electron density available for back-donation by about 0.09-0.25 electrons, depending on cluster size. (Graph Presented). © 2007 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码：5317 / 5320
页数：4
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