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Temperature‐dependent Raman study of tin(II) chloride
Author(s) -
Kuok M. H.,
Lim L. H.
Publication year - 1990
Publication title -
journal of raman spectroscopy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.748
H-Index - 110
eISSN - 1097-4555
pISSN - 0377-0486
DOI - 10.1002/jrs.1250211007
Subject(s) - raman spectroscopy , tin , chemistry , chloride , lattice vibration , atmospheric temperature range , spectral line , molecular vibration , lattice (music) , analytical chemistry (journal) , crystal structure , crystallography , phonon , condensed matter physics , optics , physics , thermodynamics , organic chemistry , astronomy , acoustics
The Raman spectra (10–250 cm −1 ) of tin(II) chloride were recorded in the range 290–10 K. The low‐temperature spectra afford better resolution and vibrational modes not previously reported were observed. These include the 18 cm −1 band which exhibits an anomalous shift of 8 cm −1 to lower frequency when the crystal temperature drops from 290 to 10 K. This band is interpreted as a lattice mode arising from the vibration of the chains of pyramidal (SnCl 3 ) groups against one another.