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Liquid Crystals and their Application
Russian Journal

Zhidkie kristally i ikh prakticheskoe ispol'zovanie

Жидкие кристаллы и их практическое использование

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Rus Eng


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Zhidk. krist. ikh prakt. ispol'z. = Liq. Cryst. and their Appl., 2011, 4, 23—31.

Crystalline Structure and Mesomorphic Properties of 4-(ω-Hydroxy)Octyloxy-4'-Cyanazobenzene

Sv. A. Syrbu1,5, A. S. Antsyshkina2, G. G. Sadikov2, M. N. Rodnikova2, M. R. Kiselev3, V. A. Burmistrov4, S. A. Kuvshinova4, A. A. Syrbu5

Author affiliations
1Ivanovo State University,
Ermak 39, Ivanovo, 153025 Russia. 
2Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences,
Leninskii pr., 31, Moscow, 119991 Russia
3Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences,
Leninskii pr., 31, Moscow, 119991 Russia
4 Ivanovo State University of Chemical Technology,
F. Engels pr., 7, Ivanovo, 153000 Russia
5 Ivanovo Institute of the State Fire Service,
Stroitelei pr. 33, Ivanovo, 153040 Russia

The molecular packing in the crystalline phase of 4-(ω-hydroxy)octyloxy-4'-cyanazobenzene is studied by X-ray-structural analysis method. It is shown, that determined influence on the molecular packing is putting up H-bond of compete intermolecular interactions. Mesophase properties of the compound are studied by polarization thermomicroscopy and differential scanning calorimetry methods. The enantiotropic nematic phase presence is established.

Keywords: liquid crystals, H-bond, mesophase properties, X-ray-structural analysis, molecular packing in the crystalline phase, polarization thermomicroscopy, differential scanning calorimetry

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