Synthesis, magnetism and crystal structure of [V2O2(μ-OH)2(tpen)]I2·4H2O; a binuclear complex containing the syn-{VO(μ-OH)2VO} core (tpen = tetrakis(2-pyridylmethyl)ethylenediamine)期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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*Synthesis, magnetism and crystal structure of [V₂O₂(μ-OH)₂(tpen)]I₂·4H₂O; a binuclear complex containing the syn-{VO(μ-OH)₂VO} core (tpen = tetrakis(2-pyridylmethyl)ethylenediamine)*

Authors:	Ademir Neves Karl Wieghardt Bernhard Nuber and Johannes Weiss

Institution:	^aLehrstuhl für Anorganische Chemie I, Ruhr-Universität, D-4630 Bochum, F.R.G. ^bAnorganisch-chemisches Institut der Universität, D-6900 Heidelberg, F.R.G.

Abstract:	The reaction of N,N,N′,N′-tetrakis(2-pyridylmethyl)ethylenediamine (tpen) with VCl₃ in CH₃CN yields Cl₃V(tpen)VCl₃ which was hydrolyzed in water in the presence of oxygen affording V₂O₂(μ-OH)₂(tpen)]I₂·2H₂O, the crystal structure of which has been determined. Asyn-{OV(μ-OH)₂VO}²⁺ core has been identified where the V(IV) centers are antiferromagnetically coupled (J = ?150 cm^?1;g = 1.80).

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