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1996 (1)
1Author    A. D. Gordeev, A. N. Osipenko, G. B. SoiferRequires cookie*
 Title    C1 NQR in Solid Trichloroacetyl Halides  
 Abstract    By 35 C1 NQR the temperature dependences of the resonance frequencies and spin4attice relax-ation times for the 35 C1 nuclei have been studied in solid CCl 3 COHal (Hal = F, CI, Br, I). A linear correlation between the average 35 C1 NQR frequencies of the CC1 3 groups and the electronegativ-ities of the halogen atoms in the COHal groups has been discovered. The temperature-dependent NQR data reveal thermoactivated reorientations of the CCl 3 COHal molecules as a whole in the crystal lattice. The activation energies of this motion are found to lie in the range 31 -37 kJ mol 
  Reference    Z. Naturforsch. 51a, 751—754 (1996); received October 20 1995 
  Published    1996 
  Keywords    NQR spectroscopy, Molecular motion, Trichloroacetyl halides 
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 TEI-XML for    default:Reihe_A/51/ZNA-1996-51a-0751.pdf 
 Identifier    ZNA-1996-51a-0751 
 Volume    51