Journal
JOURNAL OF MOLECULAR STRUCTURE
Volume 526, Issue -, Pages 131-141Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0022-2860(00)00460-9
Keywords
potassium acetate; sodium acetate; magnesium acetate; Raman microscopy
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A comprehensive Raman spectroscopic study of the acetates of potassium, sodium and magnesium in the solid state have been made at both 298 and 77 K. Band separation of the C=O stretching region was not achieved in the 298 K spectra bur was in the 77 K spectra. The CO stretching vibration is observed as a single band in both the 298 and 77 K spectra and its frequency is cation dependent. Single C-C stretching bands are observed for the acetates in the 77 K spectra. The OCO deformation vibrations were also cation dependent. Low frequency vibrations of magnesium acetate are observed at 338, 253 and 268 cm(-1) and are assigned to the MgO stretching vibration of the magnesium bisacetato complex. Low frequency bands were also observed for sodium acetate at 219, 277 and 288 cm(-1). (C) 2000 Elsevier Science B.V. All rights reserved.
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