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Neutron inelastic scattering spectra and phase transition of 1,2-dichloroethane crystal

✍ Scribed by A. Ozora; M. Ito; N. Niimura; N. Watanabe

Publisher
Elsevier Science
Year
1973
Tongue
English
Weight
268 KB
Volume
18
Category
Article
ISSN
0009-2614

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✦ Synopsis

Neut:on inelastic scntterinf spectra of 1,2-dichloroethane crystal have been measured at three temperatures above and below 177Β°K where the crystal undergoes a broad phase transition. Tfvo and three peaks have been observed in the hi& and low temperature phases, respectively. The frcqucncy distribution g(o) has been calculated in the first Briibuin zcnc for the low tempcrnture phnsc and is comp3rcd v.+th the observed spectra. The results show that the phase transition at 177Β°K is associated with rotational motion bf the molecule around the axis passing t!lrou$ two chlorine atoms.

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