Ionic plastic phases in trimethylammonium trifluoroacetate studied by 1H and 19F NMR spectroscopy, X-ray diffraction and thermal measurements

K. Kuchitsu, H. Ono, S. Ishimaru, R. Ikeda, Hiroyuki Ishida

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

1H and 19F NMR, differential scanning calorimetric and X-ray powder diffraction measurements were carried out in solid trimethylammonium trifluoroacetate, (CH3)3NHCOOCF3. Two solid-solid phase transitions were observed at 307 and 330 K. The structures of the solid phases obtained above 330 K and between 307 and 330 K are CsCl-type cubic and tetragonal, respectively. In the two phases, both cations and anions perform self-diffusion and isotropic rotation. From the dynamic behaviour of the ions together with thermal data, both phases are assignable as ionic plastic phases.

Original languageEnglish
Pages (from-to)3883-3885
Number of pages3
JournalPhysical Chemistry Chemical Physics
Volume2
Issue number17
DOIs
Publication statusPublished - 2000
Externally publishedYes

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Trifluoroacetic Acid
Nuclear magnetic resonance spectroscopy
solid phases
plastics
Plastics
X ray diffraction
nuclear magnetic resonance
diffraction
spectroscopy
x rays
anions
cations
scanning
X ray powder diffraction
Anions
Cations
ions
Phase transitions
Nuclear magnetic resonance
Ions

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Atomic and Molecular Physics, and Optics

Cite this

Ionic plastic phases in trimethylammonium trifluoroacetate studied by 1H and 19F NMR spectroscopy, X-ray diffraction and thermal measurements. / Kuchitsu, K.; Ono, H.; Ishimaru, S.; Ikeda, R.; Ishida, Hiroyuki.

In: Physical Chemistry Chemical Physics, Vol. 2, No. 17, 2000, p. 3883-3885.

Research output: Contribution to journalArticle

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AU - Ikeda, R.

AU - Ishida, Hiroyuki

PY - 2000

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