1H NMR study of natural and partially deuterated ammonium hexachlorotellurate.

@article{Grabias19981HNS,
  title={1H NMR study of natural and partially deuterated ammonium hexachlorotellurate.},
  author={T. Grabias and N. Piślewski},
  journal={Solid state nuclear magnetic resonance},
  year={1998},
  volume={12 1},
  pages={
          37-44
        }
}
  • T. Grabias, N. Piślewski
  • Published 1998
  • Medicine, Chemistry
  • Solid state nuclear magnetic resonance
  • The proton spin-lattice relaxation times in natural and partially deuterated ammonium hexachlorotellurate have been measured. At high temperature (above 50 K) the relaxation curve reveals the classical, hindered reorientation of the ammonium ion with the same activation energy for all studied samples Ea = 5.6 kJ/mol. Below 50 K, the minima which appear in the T1 temperature dependencies are related to the level-crossing. The tunnelling splitting of the ground torsional level in isotopic pure… CONTINUE READING
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