X-ray powder diffraction data and thermal expansion of N(CH3)4Br and N(CH3)4I

Alex Xenopoulos, Martina Ralle, Anton Habenschuss, Bernhard Wunderlich

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The X-ray powder diffraction patterns for tetramethylammonium bromide and iodide have been measured from near room temperature up to decomposition/sublimation. The unit cell parameters were refined and the coefficients of thermal expansion calculated. Unlike N(CH3)4Cl [M. Stammler, J. Inorg. Nucl. Chem. 29, 2203-2221 (1967)], N(CH3)4Br (1Br) and N(CH3)4I (1I) undergo no solid-solid transitions before decomposition/sublimation as was observed earlier by thermal analysis [S. S. Chang and E. F. Westrum, J. Chem. Phys. 36(9), 2420-2423 (1962); Coulter et al., J. Am. Chem. Soc. 62, 2845-2851 (1940); Xenopoulos et al., Mol. Cryst. Liq. Cryst. 214, 63-79 (1992)].

Original languageEnglish (US)
Pages (from-to)246-249
Number of pages4
JournalPowder Diffraction
Volume11
Issue number3
StatePublished - Sep 1996
Externally publishedYes

Fingerprint

Sublimation
sublimation
X ray powder diffraction
Thermal expansion
thermal expansion
Decomposition
decomposition
expansion
diffraction
Thermoanalysis
Diffraction patterns
iodides
bromides
thermal analysis
x rays
diffraction patterns
room temperature
coefficients
cells
Temperature

ASJC Scopus subject areas

  • Materials Science (miscellaneous)

Cite this

Xenopoulos, A., Ralle, M., Habenschuss, A., & Wunderlich, B. (1996). X-ray powder diffraction data and thermal expansion of N(CH3)4Br and N(CH3)4I. Powder Diffraction, 11(3), 246-249.

X-ray powder diffraction data and thermal expansion of N(CH3)4Br and N(CH3)4I. / Xenopoulos, Alex; Ralle, Martina; Habenschuss, Anton; Wunderlich, Bernhard.

In: Powder Diffraction, Vol. 11, No. 3, 09.1996, p. 246-249.

Research output: Contribution to journalArticle

Xenopoulos, A, Ralle, M, Habenschuss, A & Wunderlich, B 1996, 'X-ray powder diffraction data and thermal expansion of N(CH3)4Br and N(CH3)4I', Powder Diffraction, vol. 11, no. 3, pp. 246-249.
Xenopoulos A, Ralle M, Habenschuss A, Wunderlich B. X-ray powder diffraction data and thermal expansion of N(CH3)4Br and N(CH3)4I. Powder Diffraction. 1996 Sep;11(3):246-249.
Xenopoulos, Alex ; Ralle, Martina ; Habenschuss, Anton ; Wunderlich, Bernhard. / X-ray powder diffraction data and thermal expansion of N(CH3)4Br and N(CH3)4I. In: Powder Diffraction. 1996 ; Vol. 11, No. 3. pp. 246-249.
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