Proton distance ratios and order tensor elements for several halobenzenes obtained in a lyotropic potassium lauratemesophase

R. C. Long, E. E. Babcock, J. H. Goldstein

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Abstract

Proton distance ratios and elements of the order tensor are obtained from nuclear magnetic resonance spectra of chloro-, bromo-, and iodo- benzene partially oriented in a potassium laurate lyotropic mesophase. Corrections for harmonic vibrations are applied and it is shown that even for proton distance ratios these corrections are significant. Furthermore, the effects of solvent on the ratios determined are comparable to the effect of the substituent. Particular attention to weighting of the dipolar coupling in the structural analysis is necessary if values are to be judged significant to 1 part in 104. The elements of the order tensor are discussed in terms of the orienting influence of the interface and alkyl chains of the mesophase surfactant.

Original languageEnglish (US)
Pages (from-to)1423-1436
Number of pages14
JournalMolecular Physics
Volume39
Issue number6
DOIs
StatePublished - Apr 20 1980

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ASJC Scopus subject areas

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

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