Resonance Raman investigation of the Au(I)-Au(I) interaction of the [dσ*pσ] excited state of Au2(dcpm)2(ClO4)2 (dcpm = bis(dicyclohexylphosphine)methane)

被引:120
作者
Leung, KH [1 ]
Phillips, DL [1 ]
Tse, MC [1 ]
Che, CM [1 ]
Miskowski, VM [1 ]
机构
[1] Univ Hong Kong, Dept Chem, Pokfulam Rd, Hong Kong, Peoples R China
关键词
D O I
10.1021/ja990195e
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
We present a resonance Raman investigation of the lowest energy dipole-allowed absorption band of [Au-2(dcpm)(2)](ClO4)(2) (dcpm bis(dicyclohexylphosphine)methane). The resonance Raman spectra provide the first experimental proof of the 5d sigma* --> 6p sigma electronic transition in dinuclear gold(I)-phosphine compounds. A resonance Raman intensity analysis of the spectra allows estimation of the structural changes of the [d sigma*p sigma] excited states relative to the ground state.
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页码:4799 / 4803
页数:5
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