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  Proton-decoupled deuterium NMR study of an asymmetric liquid crystal dimer having two nematic phases

Chamignon, C., Lelli, M., Emsley, J. W., Luckhurst, G. R., & Zimmermann, H. (2023). Proton-decoupled deuterium NMR study of an asymmetric liquid crystal dimer having two nematic phases. Physical Review E, 108: 024702, pp. 024702-1-024702-9. doi:10.1103/PhysRevE.108.024702.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000D-B4BE-2 Version Permalink: https://hdl.handle.net/21.11116/0000-000D-B4BF-1
Genre: Journal Article

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PhysRevE_108_2023_024702.pdf (Any fulltext), 765KB
 
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https://journals.aps.org/pre/abstract/10.1103/PhysRevE.108.024702 (Any fulltext)
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 Creators:
Chamignon, C., Author
Lelli, M., Author
Emsley, J. W., Author
Luckhurst, G. R., Author
Zimmermann, H.1, Author           
Affiliations:
1Department of Biomolecular Mechanisms, Max Planck Institute for Medical Research, Max Planck Society, ou_1497700              

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 Abstract: Proton-decoupled deuterium NMR spectra were obtained for an asymmetric liquid crystal dimer 1-(4-cyanobiphenyl-4′-yloxy)-6-(4-cyanobiphenyl-4′-yl)hexane (CB6OCB) containing a single -CD2- group. The sample has two nematic liquid crystal phases: a twist-bend nematic, NTB, at the lowest temperature followed by a uniaxial nematic, NU, on increasing the temperature. Proton decoupling reduces the linewidths of the peaks in the deuterium spectrum from kHz to ∼100Hz, enabling quadrupolar splittings, Δν, to be obtained with enhanced precision as well as the dipolar coupling between deuterium nuclei within the CD2 group, hence enhancing the information content.

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Language(s): eng - English
 Dates: 2022-10-122023-05-082023-08-14
 Publication Status: Published online
 Pages: 9
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevE.108.024702
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Title: Physical Review E
  Other : Phys. Rev. E
Source Genre: Journal
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Publ. Info: Melville, NY : American Physical Society
Pages: - Volume / Issue: 108 Sequence Number: 024702 Start / End Page: 024702-1 - 024702-9 Identifier: ISSN: 1539-3755
CoNE: https://pure.mpg.de/cone/journals/resource/954925225012