Vibrational spectra and infrared dichroism of tetraphenyl-silane,Ph4Si. II. |
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| Authors: | G Varsányi B Zelei K Kósa M Gál |
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| Institution: | 1. Polytechnical University of Budapest, Department for Physical Chemistry, H-1521 Budapest, Budafoki út 8, Hungary;2. Research Laboratory for Inorgarnic Chemistry, Hungarian Academy of Sciences, H-1502 Budapest, POB: 132, Hungary;3. Eötvös Loránd University, Department for General and Inorganic Chemistry, H-1088 Budapest, Muzeum krt. 6-8, Hungary |
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| Abstract: | Vibrational spectra of Ph4Si have been studied from 600 to 20 cm?1 in solution, in the melt and in the crystalline state. The assignments proposed for the substituent sensitive benzene ring vibrations, for the skeletal bending modes and ring librations have been supported by polarized IR and Raman measurements. The crystal spectra are interpreted on the basis of the S4 site symmetry of the molecules in the crystal. Two skeletal bending and four ring librational modes are supposed to appear below 120 cm?1, in the range of the lattice vibrations. |
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