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1999 (1)
1977 (1)
1Author    F. Köksal, Ş. Bahadir, E. Başaran, Y. YerliRequires cookie*
 Title    Temperature Independent Isotropic EPR Spectra of [(CH 3 ) 4 N] 2 MnCl 4 and [(CH 3 ) 4 N] 2 FeCl 4 Single Crystals  
 Abstract    Electron paramagnetic resonance of [(CH3) 4 N] 2 MnCl 4 and [(CH 3) 4 N] 2 FeCl 4 single crystals was studied between 20 and 400 K. The peak-to-peak derivative linewidths of these crystals seem not to change in this temperature interval and approximate-ly 100 mT for [(CH 3) 4 N] 2 MnCl 4 and -20 mT for [(CH 3) 4 N] 2 FeCl 4 . The spectra were found to be isotropic, with g = 2.0039 for [(CH 3) 4 N] 2 MnCl 4 and g = 2.0042 for [(CH 3) 4 N] 2 FeCl 4 . This temperature independence is attributed to isotropic strong ex-change interactions of Mn 2+ and Fe 2+ nuclei, and it seems that hindered rotation of the MnCl 4 " and FeCl 4 " tetrahedra does not occur in this temperature interval. Temperature dependence, [MnCl 4 ] 2 ~, [FeCl 4 ] 2_ . 
  Reference    Z. Naturforsch. 54a, 557—558 (1999); received July 19 1999 
  Published    1999 
  Keywords    EPR, Exchange, Peak-to-peak linewidth 
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 TEI-XML for    default:Reihe_A/54/ZNA-1999-54a-0557_n.pdf 
 Identifier    ZNA-1999-54a-0557_n 
 Volume    54 
2Author    N.Requires cookie*
 Title    Exchange o f a H A tom s for D euterium and T ritium in Cyclic N-Nitrosamines  
  Reference    (Z. Naturforsch. 32b, 240 [1977]; received October 20 1976) 
  Published    1977 
  Keywords    Exchange, Deuterium, Tritium, Di-N-nitrosohomo-piperazine, Di-N-nitroso-2, 6-dimethylpiperazine 
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 DEBUG INFO      
 TEI-XML for    default:Reihe_B/32/ZNB-1977-32b-0240_n.pdf 
 Identifier    ZNB-1977-32b-0240_n 
 Volume    32