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Barriers to rotation for the ammonium ion in ammonium chloride and bromide

โœ Scribed by David Smith

Publisher
Elsevier Science
Year
1974
Tongue
English
Weight
180 KB
Volume
25
Category
Article
ISSN
0009-2614

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โœฆ Synopsis

The barriers to rotation for the ammonium ion in the ordered and disordered phases of ammonium chloride and amm&ium bromide are calculated from their torsional frequencies. The results are comparec! to the activation energies determined from NMR results.

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Upon investigation of the clustering behavior of a series of alkyl quaternary ammonium bromides (MBr) in liquid secondary ion mass spectrometry (LSIMS), only the dimer ion, M,Br+, was of significant abundance in the resultant mass spectra. The ion abundance of the dimer grows relative to that of the