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1	Author	JaapG. Haasnoot, WillemL. Groeneveld	Requires 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

2	Author	Ger Vos, JaapG. Haasnoot, WillemL. Groeneveld	Requires 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