Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Lamellar Tetragonal Symmetry of Amphiphilic Thermotropic Ionic Liquid Crystals in the Framework of Other Closely Related Highly Ordered Organizations

Version 1 : Received: 18 January 2022 / Approved: 19 January 2022 / Online: 19 January 2022 (08:45:23 CET)

A peer-reviewed article of this Preprint also exists.

Arkas, M.; Douloudi, M.; Vardavoulias, M.; Katsika, T. Lamellar Tetragonal Symmetry of Amphiphilic Thermotropic Ionic Liquid Crystals in the Framework of Other Closely Related Highly Ordered Structures. Symmetry 2022, 14, 394. Arkas, M.; Douloudi, M.; Vardavoulias, M.; Katsika, T. Lamellar Tetragonal Symmetry of Amphiphilic Thermotropic Ionic Liquid Crystals in the Framework of Other Closely Related Highly Ordered Structures. Symmetry 2022, 14, 394.

Abstract

An overview of the chemical compounds forming the rare smectic T phases is cited with references to the historical context. Thermodynamics (transition temperatures, enthalpies) along with the factors (stereochemical constraints, electrostatic interactions, aliphatic chain stacking, intermolecular forces) contributing to the adoption of tetragonal scaffolds are also discussed. Characteristic optical microscopy textures and x-rays diffraction patterns are presented. In parallel, a comparison of the geometrical parameters such as distances between atoms, molecular areas, volumes, and lattice parameters with the closest two-dimensional and three-dimensional organizations, is performed.

Keywords

smectic T; lamellar; tetragonal symmetry; liquid crystals; square lattice; lattice parameter; thermotropic; two-dimensional organization; 2D positional order; quaternary ammonium

Subject

Chemistry and Materials Science, Theoretical Chemistry

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