Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy p. 797 - 804 (1987)
Update date:2022-08-10
Topics:
Fawcett, Allan H.
Fee, Sean
Stuckey, Michael
Walkden, Peter
The infrared and Raman spectra of methyl ethyl sulphone, methyl ethyl sulphone-1,1,1-d3 and methyl ethyl sulphone-1,1,1,3,3-d5 have been presented with vibrational assignmets.Two solid states have been identified in which the molecules are either the trans or the gauche rotational isomers: one solid, the A form, occurs in cooled KBr disks used for infrared spectra while the other was found in CsI disks under ambient conditions.A mixed crystal form has also been found.In the liquid state the enthalpy of the B rotational isomer is slightly less than that of the A isomer by 90 (+/- 140) J mol-1.
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