Synthesis and Crystal Structure of Zn(Ⅱ) Complex with 2-Aminopyridine and Acetylacetone

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A mixed complex [Zn(C5H6N2)(HL)2] (C5H6N2 = 2-aminopyridine, H2L = acetyl- acetone) has been synthesized and characterized by IR, elemental analysis and X-ray single-crystal diffraction analysis. The crystal belongs to monoclinic, space group P21/c with a = 7.4490(15), b = 8.2650(17), c = 27.615(6) ?, β = 101.69(3)o, V = 1664.9(6) ?3, Z = 4, Mr = 357.70, Dc = 1.427 g/cm3, F(000) = 744, μ = 1.493 mm–1, R = 0.0309 and wR = 0.0771. The Zn(II) is coordinated by one nitrogen atom from 2-aminopyridine and four oxygen atoms from two acetylacetone anions to furnish a distorted square pyramid geometry. The complex forms a three-dimensional network through intermolecular hydrogen bonds. A mixed complex [Zn (C5H6N2) (HL) 2] (C5H6N2 = 2-aminopyridine, H2L = acetyl-acetone) has been synthesized and characterized by IR, elemental analysis and X-ray single- (3), V = 1664.9 (6)? 3, Z = 4 for monoclinic and space group P21 / c with a = 7.4490, b = 8.2650 and c = 27.615? , Mr = 357.70, Dc = 1.427 g / cm3, F (000) = 744, μ = 1.493 mm-1, R = 0.0309 and wR = 0.0771. The Zn (II) is coordinated by one nitrogen atom from 2-aminopyridine and four oxygen atoms from two acetylacetone anions to furnish a distorted square pyramid geometry. The complex forms a three-dimensional network through intermolecular hydrogen bonds.
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