Smectic liquid crystals from supramolecular guanidinium alkanesulfonates

Fabrice Mathevet, Patrick Masson, Jean François Nicoud, Antoine Skoulios

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Abstract

The thermotropic polymorphism of a series of guanidinium alkanesulfonates (6 ≤ n ≤ 18) was investigated by optical microscopy and differential scanning calorimetry. Hydrogen bonding was analyzed by infrared spectroscopy. Molecular volumes were measured by dilatometry. The structure of the crystal, smectic A, and ordered smectic phases observed were studied by X-ray diffraction and utilized to prove that the supramolecular arrangement of the molecules in the crystal survives in the smectic phases at high temperature.

Original languageEnglish
Pages (from-to)9053-9061
Number of pages9
JournalJournal of the American Chemical Society
Volume127
Issue number25
DOIs
Publication statusPublished - Jun 29 2005

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All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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