Investigation of alkylcyanobiphenyl compounds in meso- and crystalline phase

Jan I. Kukielski; N. Ponikwicki; Bogumil J. Linde

doi:10.1117/12.569831

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20 July 2004 Investigation of alkylcyanobiphenyl compounds in meso- and crystalline phase

Jan I. Kukielski, N. Ponikwicki, Bogumil J. Linde

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Proceedings Volume 5507, XVI International Conference on Spectroscopy of Molecules and Crystals; (2004) https://doi.org/10.1117/12.569831
Event: XVI International Conference on Spectroscopy of Molecules and Crystals, 2003, Sevastopol, Ukraine

Abstract

Two compounds from alkylcyanobiphenyl series, 4-n-pentyl-4'-cyanobiphenyl (5CB) and 4-n-hexyl-4'-cyanobiphenyl (6CB) were investigated by FTIR spectroscopy in the two phase states, namely crystalline and liquid crystal ones. The differences in the band shapes in the FTIR spectra of the two phases have been observed and analyzed in order to verify theoretical results regarding orientational order in the two phases of LC compounds. The spectral -structural correlations, which reflect the development of spatial geometry of the LC molecules, has been found.

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Jan I. Kukielski, N. Ponikwicki, and Bogumil J. Linde "Investigation of alkylcyanobiphenyl compounds in meso- and crystalline phase", Proc. SPIE 5507, XVI International Conference on Spectroscopy of Molecules and Crystals, (20 July 2004); https://doi.org/10.1117/12.569831

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