NEAR-INFRARED-EXCITED FT-RAMAN SPECTRA OF COVALENTLY LINKED PORPHYRIN NITROBENZENE COMPOUNDS

被引:17
作者
AKINS, DL
GUO, C
ZHU, HR
机构
[1] Department of Chemistry, City College of the City University of New York, New York
关键词
D O I
10.1021/j100118a008
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
FT-Raman spectra for three covalently linked porphyrin-nitrobenzene compounds have been acquired using near-infrared (1064 nm) excitation. The relative intensities of several Raman bands are found to depend on the substitution pattern of the porphyrin macrocycle and on whether the covalent linkage is through single or double bonds. Spectra are interpreted as indicating that ground-state electronic coupling between the porphyrin and nitrobenzene moieties occurs by way of a through-bond mechanism.
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页码:3974 / 3977
页数:4
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