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'Tetramethylammonium crystals' in keywords
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1993 (1)
1Author    W. Medycki, R. Jakubas, N. Piślewski, J. LefebvreRequires cookie*
 Title    NMR and Dilatometric Studies on [N(CH 3 ) 4 1 3 M 2 X 9 (M = Sb, Bi; X = C1, Br)  
 Abstract    Thermal expansion studies on [N(CH 3) 4 ] 3 Sb-,Cl 9 and [N(CH 3) 4 ] 3 Sb 2 Br 9 are reported. The relax-ation times 'H T, were measured for [N(CH 3) 4 ] 3 Bi 2 Cl 9 , [N(CH 3) 4 ] 3 Sb 2 Br 9 , and [N(CH 3) 4 ] 3 Bi 2 Br 9 in the temperature range 100-290 K. To interpret the 7\ data on [N(CH 3) 4 ] 3 Bi 2 Cl 9 the method of Tj calculation reported by Takeda et al. has been applied successfully. Two different, inequivalent types of [N(CH 3) 4 ] 3 cations for all tetramethylammonium crystals are found. 
  Reference    Z. Naturforsch. 48a, 748—752 (1993); received January 31 1993 
  Published    1993 
  Keywords    Tetramethylammonium crystals, Phase transitions, Thermal expansion, 'H spin-lattice relaxation time 
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 TEI-XML for    default:Reihe_A/48/ZNA-1993-48a-0748.pdf 
 Identifier    ZNA-1993-48a-0748 
 Volume    48