## Raman and far-Infrared spectra of polycrystalhne CSz sxnples at 79 and 18Β°K are reported, with nssrgnments of molecular and lattice modes Observed frcquencles are compxed wv~th those from lattice dynamics calcuktrons based on atom-atom mternctlons
Biexciton spectra of molecular crystals
β Scribed by C. Mavroyannis
- Publisher
- Elsevier Science
- Year
- 1972
- Tongue
- English
- Weight
- 434 KB
- Volume
- 14
- Category
- Article
- ISSN
- 0009-2614
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Laser-excited Raman'spectra of polycrystslline samples of ehIorine, bromine and Mine have been observed at low temperatures. Lattice and molecular modes in Cl2 sad Br2 are assigned according to group theory, and isotope effects are distinguished. Strong crystal fieid perturb&ions ape observed for th