【摘 要】
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A new copper(Ⅱ) complex with formula CuL(py), where L2- is the dianion of 2,4-dihydroxybenzylidene benzoylhydrazone, has been synthesized and characterized by
【机 构】
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Department of Chemistry
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A new copper(Ⅱ) complex with formula CuL(py), where L2- is the dianion of 2,4-dihydroxybenzylidene benzoylhydrazone, has been synthesized and characterized by IR spectra and single-crystal X-ray diffraction method. The crystal belongs to monoclinic, space group P21/c with a = 0.9630(4), b = 1.4808(6), c = 1.2320(5) nm, β= 104.969(6)°, V= 1.6973(11)nm3, Z = 4, Dc = 1.553 g/cm3, μ(MoKa) = 1.311 mm-1, F(000) = 812, R = 0.0694 and wR = 0.1727 for 1511 observed reflections (I ＞ 2σ(Ⅰ)). The crystal structure analysis indicates that the copper(Ⅱ) ion lies in a distorted square-planar environment composed of two oxygen atoms, one nitrogen atom from the tridentate acylhydrazone Schiff base ligand L2- and one nitrogen atom teractions to form dimers, which are further linked to generate a two-dimensional layer structure via interdimeric hydrogen bonds.
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