Peculiarities of the crystal structure of modified banana-shaped mesogen

M. A. Zharova; N. V. Usol'Tseva; G. Ungar; I. V. Kholodkov; V. V. Rybkin

doi:10.1134/S1063774510050238

Peculiarities of the crystal structure of modified banana-shaped mesogen

M. A. Zharova
, N. V. Usol'Tseva
, G. Ungar
, I. V. Kholodkov
, V. V. Rybkin

Ivanovo State University
University of Sheffield
Ivanovo State University of Chemical Technology

Research output: Contribution to journal › Article › peer-review

Abstract

The structure and phase behavior of an achiral banana-shaped compound-bis-{3,4,5-tri[4-(4-n-nonyloxybenzoyloxy)] benzoylamino}-1,3-phenylene (I)-have been investigated. This compound exhibits an enantiotropic high-temperature chiral mesophase; upon cooling it successively passes to the crystalline (Cr) phases: Crα (281.0-176.0°C), Crβ (175.0-72.0°C), and Crγ (71.0-40.0°C) (their temperature ranges of existence are indicated). The surface topology and results of linear measurements along the cross sections of certain portions of thin films of compound I in the Cr γ phase clearly prove the effect of the preserved chirality of the previous liquid-crystal phase in the crystalline state.

Original language	English
Pages (from-to)	840-844
Number of pages	5
Journal	Crystallography Reports
Volume	55
Issue number	5
DOIs	https://doi.org/10.1134/S1063774510050238
State	Published - Sep 2010
Externally published	Yes

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title = "Peculiarities of the crystal structure of modified banana-shaped mesogen",

abstract = "The structure and phase behavior of an achiral banana-shaped compound-bis-\{3,4,5-tri[4-(4-n-nonyloxybenzoyloxy)] benzoylamino\}-1,3-phenylene (I)-have been investigated. This compound exhibits an enantiotropic high-temperature chiral mesophase; upon cooling it successively passes to the crystalline (Cr) phases: Crα (281.0-176.0°C), Crβ (175.0-72.0°C), and Crγ (71.0-40.0°C) (their temperature ranges of existence are indicated). The surface topology and results of linear measurements along the cross sections of certain portions of thin films of compound I in the Cr γ phase clearly prove the effect of the preserved chirality of the previous liquid-crystal phase in the crystalline state.",

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year = "2010",

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doi = "10.1134/S1063774510050238",

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T1 - Peculiarities of the crystal structure of modified banana-shaped mesogen

AU - Zharova, M. A.

AU - Usol'Tseva, N. V.

AU - Ungar, G.

AU - Kholodkov, I. V.

AU - Rybkin, V. V.

PY - 2010/9

Y1 - 2010/9

N2 - The structure and phase behavior of an achiral banana-shaped compound-bis-{3,4,5-tri[4-(4-n-nonyloxybenzoyloxy)] benzoylamino}-1,3-phenylene (I)-have been investigated. This compound exhibits an enantiotropic high-temperature chiral mesophase; upon cooling it successively passes to the crystalline (Cr) phases: Crα (281.0-176.0°C), Crβ (175.0-72.0°C), and Crγ (71.0-40.0°C) (their temperature ranges of existence are indicated). The surface topology and results of linear measurements along the cross sections of certain portions of thin films of compound I in the Cr γ phase clearly prove the effect of the preserved chirality of the previous liquid-crystal phase in the crystalline state.

AB - The structure and phase behavior of an achiral banana-shaped compound-bis-{3,4,5-tri[4-(4-n-nonyloxybenzoyloxy)] benzoylamino}-1,3-phenylene (I)-have been investigated. This compound exhibits an enantiotropic high-temperature chiral mesophase; upon cooling it successively passes to the crystalline (Cr) phases: Crα (281.0-176.0°C), Crβ (175.0-72.0°C), and Crγ (71.0-40.0°C) (their temperature ranges of existence are indicated). The surface topology and results of linear measurements along the cross sections of certain portions of thin films of compound I in the Cr γ phase clearly prove the effect of the preserved chirality of the previous liquid-crystal phase in the crystalline state.

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DO - 10.1134/S1063774510050238

M3 - 文章

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SN - 1063-7745

VL - 55

SP - 840

EP - 844

JO - Crystallography Reports

JF - Crystallography Reports

IS - 5

ER -

Peculiarities of the crystal structure of modified banana-shaped mesogen

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