摘要:The coordination polymer [Mn2(cipt)2(aic)2]n(cipt = 2-(3-chlorophenyl)-1Himidazo[4,5-f][1,10]phenanthroline, aic = 5-amino-isophthalic acid) has been obtained from hydrothermal reaction and characterized by elemental analysis, IR, TG and single-crystal X-ray diffraction. The title compound crystallizes in the triclinic system, space group P1, with a = 11.523(3), b = 12.162(3), c = 18.706(5) ?, β = 81.789(5)o, V = 2455.2(1) ?3, C54H32Cl2Mn2N10O8, Mr = 1129.68, Z = 2, Dc = 1.528 g/cm3, μ = 0.692 mm-1, F(000) = 1148, R = 0.064 and wR = 0.145 for 9571 observed reflections(I > 2σ(I)). In this polymer, the Mn(Ⅱ) atoms adopt different coordination modes. The Mn(1) atom is five-coordinated, forming a distorted tetragonal pyramidal geometry. Mn(2) atom is six-coordinated to get a distorted octahedral geometry, which is different from the Mn(1) atom. Each Mn(Ⅱ) atom is linked by aic ligands with neighboring Mn(Ⅱ) atoms, forming an infinite one-dimensional(1D) double-chain structure. The existence of N–H···O hydrogen bonding interactions leads the 1D chains to generate a 2D structure. Luminescent properties for the ligand cipt and compound 1 have also been discussed in detail.
- DOI:
10.14102/j.cnki.0254-5861.2011-1163
- 专辑:
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- 分类号:
O641.4
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