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'Deuteron NMR spectroscopy' in keywords Facet   section ZfN Section A  [X]
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1991 (1)
1Author    Z. T. Lalowicz, S. F. SagnowskiRequires cookie*
 Abstract    u ltia x ia l R e o r ie n ta tio n s o f N D ^ Io n s S tu d ie d b y 2 H -N M R S p e c tro s c o p y The density matrix formalism is used to simulate motional averaging in the 2H-NMR spectra of reorienting ND4 ions. The development of the spectra under increasing jump frequency about a single C3 or C2 axis is followed. Next we assume a hierarchy of axes in terms of activation energies sufficient to reach extreme narrowing conditions for some axes before activating jumps about a next one. Primary reorientations about the fastest C3 or C2 symmetry axes define the shape of spectra, the width of which is then stepwise reduced by fast reorientations about the subsequent axes in a postulated sequence of statistically uncorrelated jumps. 
  Reference    Z. Naturforsch. 46a, 829 (1991); received July 11 1991 
  Published    1991 
  Keywords    Deuteron NMR spectroscopy, Molecular dynamics, Ammonium salts, Ammonium ion reorientations -PACS number 7660 
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 TEI-XML for    default:Reihe_A/46/ZNA-1991-46a-0829.pdf 
 Identifier    ZNA-1991-46a-0829 
 Volume    46