The assignment of fundamental vibrations of BEDT-TTF and BEDT-TTF-d8
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Abstract The i.r. and Raman spectra of bis(ethylenedithio)tetrathiafulvalene (BEDT-TTF) and BEDT-TTF- d 8 , are reported. All fundamental vibrations are assigned using the correlations between the data obtained and those for compounds containing BEDT-TTF fragments. A comparative normal coordinate analysis was done. The results can be used for calculation of the electron-intramolecular vibrational coupling constants of superconductive BEDT-TTF based charge-transfer complexes.
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