Syntheses, Raman and infrared vibrational spectra, normal coordinate analyses and 29Si-NMR-spectra of halogenated trisilanes MenSi3X8−n and (HmX3−mSi)2SiMe2 (X = F, Cl, Br, I)
作者:K. Schenzel、K. Hassler
DOI:10.1016/0022-2860(95)08734-d
日期:1995.4
Normalkoordinatenanalyse, Infrarot- und Ramanspektren von 2,2-dimethyltrisilan
作者:Karla Schenzel、Karl Hassler
DOI:10.1016/0584-8539(95)01611-2
日期:1996.6
The Infrared and Raman vibrational spectra of (H3Si)(2)SiMe(2) and (D(3)Si(2)SiMe(2) have been measured and assigned with the help of a normal coordinate analysis using the FG formalism. The skeletal deformation modes delta, rho, gamma, tau SiC2 and delta SiSiSi of the molecule are not coupled with motions of the hydrogen atoms and can be regarded as ''unperturbed'' deformation vibrations of the SiSiC2Si atom arrangement. Their knowledge facilitates the interpretation of the vibrational spectra of methylated chainlike silanes in the low frequency region between 250 and 100 cm(-1).