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1981 (1)
1979 (1)
1Author    JaapG. Haasnoot, WillemL. GroeneveldRequires cookie*
 Title    Complexes of 1,2,4-Triazoles, VII [1] Preparation and Vibrational Spectra of 4,4'-Bi-l,2,4-triazole and Some of its Complexes with Transition Metal(II) Thiocyanates  
 Abstract    The preparation and characterization of 4,4'-bi-l,2,4-triazole is described. The com-pound is a strong, polydentate, polynucleating nitrogen donor. Two complexes, M(btr)2(NCS)2H20 M = Co, Ni, are described. The vibrational spectra of ligand and complexes are compared. A structure for the complexes is proposed. 
  Reference    Z. Naturforsch. 34b, 1500—1506 (1979); received July 2 1979 
  Published    1979 
  Keywords    4, 4'-Bi-l, 2, 4-triazole, IR, Ligand Field, Polynuclear Complexes 
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 TEI-XML for    default:Reihe_B/34/ZNB-1979-34b-1500.pdf 
 Identifier    ZNB-1979-34b-1500 
 Volume    34 
2Author    Ger Vos, JaapG. Haasnoot, WillemL. GroeneveldRequires cookie*
 Title    Complexes of 1,2,4-Triazoles, Part XVI Binuclear Complexes of Transition Metal(II)thiocyanates with 4-Ethyl-l,2,4-triazole  
 Abstract    Coordination compounds of 4-ethyl-l,2,4-triazole (Ettrz) with Mn, Fe, Co, Ni, Cu and Zn are reported. The compounds have been identified and characterized by chemical analyses, infrared and ligand field spectra, electron paramagnetic resonance (e.p.r.) measurements, magnetic susceptibility measurements and thermoanalytical experiments. Except for the Cu compound, which is polynuclear, all compounds appear to be binuclear, with both bridging bidentate and non-bridging triazole ligands. The overall formula is M(Ettrz)2(NCS)2(H20)3/2 for Mn, Fe, Co and Ni. The copper and zinc compounds have the formula Cu(Ettrz)2(NCS)2 and Zn(Ettrz)3/2(NCS)2. 
  Reference    Z. Naturforsch. 36b, 802—808 (1981); received March 2 1981 
  Published    1981 
  Keywords    4-Ethyl-l, 2, 4-triazole, Ligand Field, Magnetic Exchange, Binuclear Complexes 
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 TEI-XML for    default:Reihe_B/36/ZNB-1981-36b-0802.pdf 
 Identifier    ZNB-1981-36b-0802 
 Volume    36