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Abstract

Vibrational spectra of solid tribromofluoromethane at temperatures between 12 K and the melting point were obtained using Raman and infrared techniques, with special emphasis on the lattice modes. No evidence for a solid-state phase transition was found. Lattice peaks are tentatively assigned on the basis of geometrical and intensity arguments. It is shown that the spectra are compatible with a non-centrosymmetric unit cell containing four molecules.