SPECTROSCOPIC OBSERVATION OF COUPLED METAL-LIGAND VIBRATIONAL-MODES IN THE LUMINESCENCE SPECTRUM OF TRANS-[REO2(1-METHYLIMIDAZOLE)(4)]I

被引：24

作者：

SAVOIE, C ^{[1
]}

REBER, C ^{[1
]}

BELANGER, S ^{[1
]}

BEAUCHAMP, AL ^{[1
]}

机构：

[1] UNIV MONTREAL, DEPT CHEM, MONTREAL, PQ H3C 3J7, CANADA

来源：

INORGANIC CHEMISTRY | 1995年 / 34卷 / 15期

关键词：

D O I：

10.1021/ic00119a001

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Near-infrared luminescence with resolved vibronic structure between 700 and 1200 nm has been observed from the title compound at 15 K. Its emitting state is lower in energy by more than 3000 cm(-1) than those in other trans-dioxo compounds of rhenium(V). The vibrational modes forming the resolved structure are the totally symmetric Re-O and Re-N(imidazole) stretching vibrations. The intensity distribution within the vibronic progressions can be rationalized only qualitatively with a harmonic model (coupling = 0 in the diagram), but it is quantitatively calculated by including nonzero coupling between the normal coordinates for the metal-ore and metal-imidazole vibrational modes, an effect observed and analyzed for the first time in a coordination compound.

引用

页码：3851 / +

页数：1

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