Characterization of Liquid Crystals: The Low Frequency Raman Scattering of Cholesteryl Propionate Nonanoate and Palmitate
- 1 January 1971
- journal article
- research article
- Published by Taylor & Francis in Molecular Crystals and Liquid Crystals
- Vol. 12 (2) , 105-111
- https://doi.org/10.1080/15421407108082765
Abstract
The low frequency Stokes Raman spectra of polycrystalline cholesteryl propionate, nonanoate and palmitate at room temperature are reported. Two high intensity peaks (18 and 26 cm−1) and two lower intensity peaks (52 and 60 cm−1) were found in all three materials. The bands were shown to be very sensitive to the degree of short range ordering. It is tempting to associate the 18 cm−1 band with the LO mode and the 26 cm−1 band with the TO mode of the intermolecular vibrations.Keywords
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