Spectroscopic studies of the radical cation salt (BEDT-TTF)2Pt(NO2)4

被引：1
|
作者：
Swietlik, R
Spitsina, NG
Yagubskii, EB
机构：
[1] Polish Acad Sci, Inst Mol Phys, PL-60179 Poznan, Poland
[2] Russian Acad Sci, Inst Problems Chem Phys, Chernogolovka 142432, Russia
来源：
SYNTHETIC METALS | 2001年 / 123卷 / 01期
关键词：
charge transfer salts; infrared and Raman spectroscopy; electronic and vibrational spectra;
D O I：
10.1016/S0379-6779(00)00589-0
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report on spectroscopic studies of the charge transfer salt formed by the organic donor bis(ethelenedithio)tetrathiafulvalene (BEDT-TTF) and [Pt(NO2)(4)](2-) anions. In this salt BEDT-TTF molecules are arranged in well-isolated (BEDT-TTF+)(2) dimers. Polarized reflectance spectra of single crystals were measured in the IR region (650-6500 cm(-1)). Moreover, absorption spectra (400-15,000 cm(-1)) and Fr-NIR Raman spectra of powdered crystals dispersed in KBr pellets were recorded. Vibrational and electronic features are discussed. We suggest that the frequency of the C=C stretching nu (3)(a(g)) mode depends non-linearly on the degree of ionization of BEDT-TTF. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：129 / 133
页数：5
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