SPECTROSCOPIC STUDIES ON THE AVERAGE-VALENCE COPPER SITE [CU-2](3+)

被引:49
作者
FARRAR, JA
MCKEE, V
ALOBAIDI, AHR
MCGARVEY, JJ
NELSON, J
THOMSON, AJ
机构
[1] QUEENS UNIV BELFAST,SCH CHEM,BELFAST BT9 5AG,ANTRIM,NORTH IRELAND
[2] UNIV E ANGLIA,SCH CHEM SCI,NORWICH NR4 7TJ,NORFOLK,ENGLAND
关键词
D O I
10.1021/ic00110a002
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The average-valence Cu-2(3+) Site in bis(copper) complexes with three azacryptands has been probed by electronic absorption, resonance Raman (RR), and magnetic circular dichroism (MCD) spectroscopy. The X-ray structure of one of the complexes is presented. RR excitation profiles of low-frequency Cu-Cu and Cu-N modes establish that at least two vibronic transitions contribute to the absorption intensity in the range 700-900 nm, in agreement with the MCD data and indicative of vibronic transitions involving substantial motion of both copper nuclei.
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页码:1302 / &
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