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Raman spectroscopic evidence of the phase transition in CH3NH3HgCl3

✍ Scribed by Hossain, M. A. ;Srivastava, J. P. ;Bist, H. D. ;Khulbe, P. K.

Publisher
John Wiley and Sons
Year
1991
Tongue
English
Weight
226 KB
Volume
123
Category
Article
ISSN
0031-8965

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A Raman spectroscopic study of (CH3NH,)2HgC14 is reported in the temperature range 299-373 K. Discontinuities in the Hg-Cl symmetric stretching mode and in the frequency shift of the C-N stretching mode indicate a new phase above 330 K. A non-hnear increment of the widths of these bands confirms the