1H and 19F NMR studies on molecular motions in two solid phases of t-butylammonium tetrafluoroborate

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2 Citations (Scopus)

Abstract

Differential thermal analysis (DTA), differential scanning calorimetry (DSC), and the temperature dependence of the spin-lattice relaxation time (T1) and the second moment (M2) of 1H and 19F NMR were studied in (CH3)3CNH3BF4 and (CH3)3CND3BF4. DTA and DSC revealed a solid-solid phase transition at 219 K for (CH3)3CNH3BF4 and at 221 K for (CH3)3CND3BF4. The motions of cations and anions in the two solid phases were studied by T1 and M2 experiments. The motional modes of the ions and their motional parameters were determined.

Original languageEnglish
Pages (from-to)796-800
Number of pages5
JournalZeitschrift fur Naturforschung - Section A Journal of Physical Sciences
Volume53
Issue number9
DOIs
Publication statusPublished - Sep 1998

Keywords

  • Molecular motion
  • Nuclear magnetic resonance
  • Phase transition

ASJC Scopus subject areas

  • Mathematical Physics
  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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