Development of an incremental system for the prediction of the nematic-isotropic phase transition temperature of liquid crystals with two aromatic rings

Thies Thiemann; Volkmar Vill

doi:10.1080/026782997209252

Development of an incremental system for the prediction of the nematic-isotropic phase transition temperature of liquid crystals with two aromatic rings

Thies Thiemann, Volkmar Vill

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

14 Citations (Scopus)

Abstract

It is possible to express the transition temperature nematic-isotropic (T_ni) for nematogens with just two aromatic ring systems as the sum of incremental values of substructural elements, denoted as substituents and bridging moieties. Of the 1426 mesogens that can be constructed by the elements for which the increments have been given, the T_ni values of most can be predicted to within 10°C, the only notable exception being the 1,2-diphenylethenes.

Original language	English
Pages (from-to)	519-523
Number of pages	5
Journal	Liquid Crystals
Volume	22
Issue number	4
DOIs	https://doi.org/10.1080/026782997209252
Publication status	Published - 1997
Externally published	Yes

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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10.1080/026782997209252

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abstract = "It is possible to express the transition temperature nematic-isotropic (Tni) for nematogens with just two aromatic ring systems as the sum of incremental values of substructural elements, denoted as substituents and bridging moieties. Of the 1426 mesogens that can be constructed by the elements for which the increments have been given, the Tni values of most can be predicted to within 10°C, the only notable exception being the 1,2-diphenylethenes.",

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AB - It is possible to express the transition temperature nematic-isotropic (Tni) for nematogens with just two aromatic ring systems as the sum of incremental values of substructural elements, denoted as substituents and bridging moieties. Of the 1426 mesogens that can be constructed by the elements for which the increments have been given, the Tni values of most can be predicted to within 10°C, the only notable exception being the 1,2-diphenylethenes.

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Development of an incremental system for the prediction of the nematic-isotropic phase transition temperature of liquid crystals with two aromatic rings

Abstract

ASJC Scopus subject areas

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