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Crystal structure of mesogenic material IV-nematogenic 4-($4^{\prime}$-ethoxyphenylazo)phenyl heptanoate

Shaikh, AM and Shivaprakash, NC and Abdoh, MMM and Prasad, Shashidhara J (1984) Crystal structure of mesogenic material IV-nematogenic 4-($4^{\prime}$-ethoxyphenylazo)phenyl heptanoate. In: Zeitschrift fuer Kristallographie, 169 (1-4). pp. 109-115.

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4-($4^{\prime}$-Ethoxyphenylazo)phenyl heptanoate is triclinic, space group P.hivin.1, with a=7.935(3), b=8.568(4), $c=16.216(4) \AA$, $\alpha=73.61(3)$, $\beta=75.01(3)$, and $\gamma=71.26(4)$; d.(calculated) = 1.156 for Z = 2. The structure was solved by direct method (MULTAN 80) using 1922 reflections and refined by block-diagonal least-squares and Fourier methods to R = 0.0457. At. parameters are given. The molecular is almost linear and planar. The angle between the 2 Ph rings is $15.02^0$. The pairs of molecules related by a center of symmetry form an imbricated arrangement. The crystalline cohesion is a result of a large number of feeble dispersion forces and dipole-dipole interaction.

Item Type: Journal Article
Publication: Zeitschrift fuer Kristallographie
Publisher: Oldenbourg Wissenschaftsverlag GmbH
Additional Information: Copyright of this article belongs to Oldenbourg Wissenschaftsverlag GmbH.
Department/Centre: Division of Physical & Mathematical Sciences > Instrumentation Appiled Physics
Date Deposited: 22 May 2008
Last Modified: 22 Feb 2012 06:41
URI: http://eprints.iisc.ac.in/id/eprint/14033

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