Nuclear magnetic resonance study of polycrystalline NH4ClO 4

James A. Ibers*

*Corresponding author for this work

Research output: Contribution to journalArticle

16 Scopus citations

Abstract

The second moments of the proton resonance absorption line in polycrystalline NH4ClO4 are found to be 1.27±0.02 gauss2 at 70°K and 1.18±0.01 gauss 2 at 298°K; these results are interpreted in terms of reorientation of the ammonium ion about random or nearly random axes. Spin-lattice relaxation times for polycrystalline NH4ClO4 have been measured between 77° and 298°K by the progressive saturation method. These relaxation times are consistent with a barrier hindering reorientation of 2.0±0.6 kcal.

Original languageEnglish (US)
Pages (from-to)1448-1449
Number of pages2
JournalThe Journal of Chemical Physics
Volume32
Issue number5
DOIs
StatePublished - Jan 1 1960

ASJC Scopus subject areas

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

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