【摘 要】
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The title compound, [Ni(acac)2(Im)2] (acac = acetylacetone), has been obtained by the reaction of Ni(acac)2 with imidazole ligand in the ethanol solvent. The bl
【机 构】
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New Materials & Function Coordination Chemistry Laboratory
论文部分内容阅读
The title compound, [Ni(acac)2(Im)2] (acac = acetylacetone), has been obtained by the reaction of Ni(acac)2 with imidazole ligand in the ethanol solvent. The blue crystal is of triclinic, space group Pī with a = 7.472(2), b = 9.456(2), c = 13.823(3)A, α = 85.55(3), β = 89.03(3), γ = 80.63(3)o, C16H22N4NiO4, Mr = 393.09, V = 960.7(3)A3, Z = 2, Dc = 1.359 g/cm3, F(000) = 412, μ = 1.036 mm－1, R = 0.0549 and wR = 0.1615. The crystal structure consists of two disconnected structural units. Each Ni atom coordinated by two N atoms from two imidazole ligands and four O atoms from two acetylactone ligands adopts a slightly distorted octahedron. The structure characterization was performed by means of IR, UV, TG, elemental analysis and single-crystal X-ray analysis. The thermal gravity (TG) data indicate that thermal decomposition of the title compound takes place in two steps, and the residue is NiO.
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