Raman and far infrared spectra and conformational analysis of some dichloropropenes

The Raman spectra of gaseous, liquid and solid 2,3-dichloropropene, CH 2=C(CH 2Cl)Cl and both trans and cis-1,3-dichloropropene, ClHC=CH(CH 2Cl) have been recorded. For the first two molecules both the anticlinal ( gauche) and synclinal ( s-cis) conformers have been observed in the fluid states at a...

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Bibliographic Details
Published in:Journal of molecular structure 1993-03, Vol.293, p.19-22
Main Authors: Durig, D.T., Little, T.S., Costner, T.G., Guirgis, G.A., Durig, J.R.
Format: Article
Language:English
Subjects:
Atomic and molecular physics
Barrier heights (internal rotation, inversion, rotational isomerism, conformational dynamics)
Exact sciences and technology
Molecular properties and interactions with photons
Physics
Properties of molecules and molecular ions
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Summary:The Raman spectra of gaseous, liquid and solid 2,3-dichloropropene, CH 2=C(CH 2Cl)Cl and both trans and cis-1,3-dichloropropene, ClHC=CH(CH 2Cl) have been recorded. For the first two molecules both the anticlinal ( gauche) and synclinal ( s-cis) conformers have been observed in the fluid states at ambient temperature whereas for the latter molecule only the anticlinal conformer is present in all three physical states. Conformational stabilities have been determined from the temperature dependence of the Raman spectrum.
ISSN:0022-2860
1872-8014
DOI:10.1016/0022-2860(93)80006-H