Further investigation of mesophase of pyramidic liquid crystal by X-ray 
transmission diffractometry

Sarkar, M.; Spielberg, N.; Zimmermann, Herbert

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Further investigation of mesophase of pyramidic liquid crystal by X-ray transmission diffractometry

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Zimmermann, Herbert
Department of Molecular Physics, Max Planck Institute for Medical Research, Max Planck Society;
Department of Biomolecular Mechanisms, Max Planck Institute for Medical Research, Max Planck Society;

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http://www.tandfonline.com/doi/abs/10.1080/10587259808042430?needAccess=true#aHR0cDovL3d3dy50YW5kZm9ubGluZS5jb20vZG9pL3BkZi8xMC4xMDgwLzEwNTg3MjU5ODA4MDQyNDMwP25lZWRBY2Nlc3M9dHJ1ZUBAQDA=
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Citation

Sarkar, M., Spielberg, N., & Zimmermann, H. (1998). Further investigation of mesophase of pyramidic liquid crystal by X-ray transmission diffractometry. Molecular Crystals and Liquid Crystals, 312, 45-53. Retrieved from http://www.tandfonline.com/doi/abs/10.1080/10587259808042430?needAccess=true&.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002B-9DFF-3

Abstract

Further X-ray powder diffractometer measurements have been made on compound II-9 of the columnar liquid crystal series hexaalkanoyloxytribenzocyclononene. For this compound the transition temperature between the solid and the columnar phase is 26°C. Data have been collected at several temperatures from 2°C to 52°C. We compare results obtained from II-9 with results published for II-10, 12, 13 and 15. Unlike these other compounds, in the mesophase the diffraction patterns show a large number of lines, with at least four high angle lines superposed on the broad hump arising from scattering by the disordered hydrocarbon side chains. This indicates a more highly ordered structure than for the other compounds in this series.