Literature DB >> 29552681

Spontaneous chirality through mixing achiral components: a twist-bend nematic phase driven by hydrogen-bonding between unlike components.

R Walker1, D Pociecha2, J P Abberley1, A Martinez-Felipe3, D A Paterson1, E Forsyth1, G B Lawrence1, P A Henderson1, J M D Storey1, E Gorecka2, C T Imrie1.   

Abstract

The spontaneous formation of a chiral phase via molecular recognition in a system consisting of achiral components is reported. Specifically, the liquid crystalline behaviour of two molecular complexes assembled by hydrogen bonding between a stilbazole-based template and alkoxybenzoic acids has been characterised. The complexes exhibit the heliconical twist-bend nematic phase (NTB) over a broad temperature range despite the hydrogen-bond acceptor not being liquid crystalline and the donor exhibiting the conventional achiral nematic phase.

Entities:  

Year:  2018        PMID： 29552681     DOI： 10.1039/C8CC00525G

Source DB:  PubMed          Journal:  Chem Commun (Camb)        ISSN： 1359-7345            Impact factor:   6.222


  16 in total

Review 1.  Recent synthetic advances in pyridine-based thermotropic mesogens.

Authors:  Deepak Devadiga; T N Ahipa
Journal:  RSC Adv       Date:  2019-07-26       Impact factor: 4.036

2.  Induced Wide Nematic Phase by Seven-Ring Supramolecular H-Bonded Systems: Experimental and Computational Evaluation.

Authors:  Latifah Abdullah Alshabanah; Laila A Al-Mutabagani; Hoda A Ahmed; Mohamed Hagar
Journal:  Molecules       Date:  2020-04-07       Impact factor: 4.411

3.  Polymorphic Phases of Supramolecular Liquid Crystal Complexes Laterally Substituted with Chlorine.

Authors:  Fowzia S Alamro; Omaima A Alhaddad; Magdi M Naoum; Hoda A Ahmed
Journal:  Polymers (Basel)       Date:  2021-12-08       Impact factor: 4.329

4.  New Liquid Crystal Assemblies Based on Cyano-Hydrogen Bonding Interactions.

Authors:  Mohamed Hagar; Hoda A Ahmed; Rua B Alnoman; Mariusz Jaremko; Abdul-Hamid Emwas; Salim Sioud; Khulood A Abu Al-Ola
Journal:  Front Chem       Date:  2021-06-04       Impact factor: 5.221

5.  Molecular Recognition via Hydrogen Bonding in Supramolecular Complexes: A Fourier Transform Infrared Spectroscopy Study.

Authors:  Alfonso Martinez-Felipe; Fraser Brebner; Daniel Zaton; Alberto Concellon; Sara Ahmadi; Milagros Piñol; Luis Oriol
Journal:  Molecules       Date:  2018-09-06       Impact factor: 4.411

6.  Induced Phases of New H-bonded Supramolecular Liquid Crystal Complexes; Mesomorphic and Geometrical Estimation.

Authors:  Rua B Alnoman; Hoda A Ahmed; Mohamed Hagar; Khulood A Abu Al-Ola; Bedor Sh Alrefay; Bashayer A Haddad; Raghad F Albalawi; Razan H Aljuhani; Lama D Aloqebi; Shoaa F Alsenani
Journal:  Molecules       Date:  2020-03-28       Impact factor: 4.411

7.  Chair- and V-Shaped of H-bonded Supramolecular Complexes of Azophenyl Nicotinate Derivatives; Mesomorphic and DFT Molecular Geometry Aspects.

Authors:  Omaima A Alhaddad; Khulood A Abu Al-Ola; Mohamed Hagar; Hoda A Ahmed
Journal:  Molecules       Date:  2020-03-26       Impact factor: 4.411

8.  New Symmetrical U- and Wavy-Shaped Supramolecular H-Bonded Systems; Geometrical and Mesomorphic Approaches.

Authors:  Laila A Al-Mutabagani; Latifah Abdullah Alshabanah; Hoda A Ahmed; Mohamed Hagar; Khulood A Abu Al-Ola
Journal:  Molecules       Date:  2020-03-20       Impact factor: 4.411

9.  Experimental and Theoretical Approaches of New Nematogenic Chair Architectures of Supramolecular H-Bonded Liquid Crystals.

Authors:  O A Alhaddad; H A Ahmed; M Hagar
Journal:  Molecules       Date:  2020-01-16       Impact factor: 4.411

10.  Controlling Mirror Symmetry Breaking and Network Formation in Liquid Crystalline Cubic, Isotropic Liquid and Crystalline Phases of Benzil-Based Polycatenars.

Authors:  Tino Reppe; Silvio Poppe; Carsten Tschierske
Journal:  Chemistry       Date:  2020-10-29       Impact factor: 5.236
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