Pressure-Tuning Raman Spectra of the Arene Chromium(0) Chalcocarbonyl Complexes, (η6-C6H5CO2CH3)Cr(CO)2(CX) (X = O, S)

被引：0

作者：

Edwards, Clare M. ^{[1
]}

Moore, Rebecca J. ^{[1
]}

Barsan, Mirela M. ^{[1
]}

Butler, Ian S. ^{[1
]}

机构：

[1] McGill Univ, Dept Chem, Montreal, PQ H3A 2K6, Canada

来源：

SPECTROSCOPY LETTERS | 2012年 / 45卷 / 01期

基金：

加拿大自然科学与工程研究理事会;

关键词：

chalcocarbonyl; diamond-anvil cell; pressure-tuning; Raman spectroscopy; thiocarbonyl; MICRO-RAMAN; VIBRATIONAL-SPECTRA; TRANSITION; THIOCARBONYL; LIGANDS;

D O I：

10.1080/00387010.2011.591219

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

The pressure-tuning Raman spectra of the two methylbenzoate complexes, (eta(6)-C6H5CO2CH3)Cr(CO)(2)(CX) (X = O, S), have been examined up to similar to 35 kbar. Structural changes occurred for both complexes in the 10-15 kbar pressure range, most probably as the result of second-order phase transitions. From the observed pressure dependences, replacement of a CO group in the piano-stool (eta(6)-C6H5CO2CH3)Cr(CO)(3) molecule by a CS group has a marked influence on the Cr-arene ring vibrational modes, and the arene ring clearly plays a role in determining the nature of the Cr-CO and Cr-CS bonding interactions.

引用

页码：40 / 44

页数：5

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