N.M.R. of methanes in liquid crystal mixtures

A. J. Van Der Est, P. B. Barker, E. E. Burnell, C. A. De Lange, J. G. Snijders

Research output: Contribution to journalArticlepeer-review

14 Scopus citations


Dipolar and quadrupolar couplings are reported for methane and its deuterated analogues dissolved in the liquid crystals Merck ZLI 1132, N-(ρ-ethoxybenzylidene)- ρ'-n-butylaniline, and a mixture of these liquid crystals. Previous studies indicate that D2 dissolved in the same mixture has almost zero orientational order. This was interpreted as a reduction in the average electric field gradient on mixing. It is shown that methane in the same mixture and in its constituents experiences the same average field gradients as D2. Moreover, provided one does not neglect the variation of the relevant molecular tensors with bond stretching, the dipolar couplings of methane dissolved in liquid crystals can be described with a bond-additivity model.

Original languageEnglish (US)
Pages (from-to)161-169
Number of pages9
JournalMolecular Physics
Issue number1
StatePublished - Sep 1985
Externally publishedYes

ASJC Scopus subject areas

  • Biophysics
  • Molecular Biology
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry


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