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Deuteron and proton NMR study of D₂, p-dichlorobenzene and 1,3,5-trichlorobenzene in bimesogenic liquid crystals with two nematic phases

Burnell, E. E.; Ahmed, Z.; Welch, C.; Mehl, G. H.; Dong, R. Y.

Authors

E. E. Burnell

Z. Ahmed

C. Welch

R. Y. Dong



Abstract

The solutes dideuterium, 1,3,5-trichlorobenzene and p-dichlorobenzene (pdcb) are co-dissolved in a 61/39 wt% mixture of CBC9CB/5CB, a bimesogenic liquid crystal with two nematic phases. NMR spectra are collected for each solute. The local electric field gradient (FZZ) is obtained from the dideuterium spectrum. A double Maier-Saupe potential (MSMS) is used to rationalize the order parameters of pdcb. The liquid-crystal fields G₁ and G₂ are taken to be due to size and shape interactions and interactions between the solute molecular quadrupole and the mean FZZ of the medium. The FZZ’s obtained from D₂ and G₂ (from pdcb) are compared and discussed.

Citation

Burnell, E. E., Ahmed, Z., Welch, C., Mehl, G. H., & Dong, R. Y. (2016). Deuteron and proton NMR study of D₂, p-dichlorobenzene and 1,3,5-trichlorobenzene in bimesogenic liquid crystals with two nematic phases. Chemical Physics Letters, 659, 48-54. https://doi.org/10.1016/j.cplett.2016.07.005

Journal Article Type Article
Acceptance Date Jul 1, 2016
Publication Date Aug 16, 2016
Deposit Date Jul 5, 2016
Publicly Available Date Mar 29, 2024
Journal Chemical physics letters
Print ISSN 0009-2614
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 659
Pages 48-54
DOI https://doi.org/10.1016/j.cplett.2016.07.005
Keywords Dideuterium, 1,3,5-trichlorobenzene, p-dichlorobenzene
Public URL https://hull-repository.worktribe.com/output/440631
Publisher URL http://www.sciencedirect.com/science/article/pii/S0009261416304857
Additional Information Authors' accepted manuscript of article published in: Chemical physics letters, 2016, v.659.

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