Synthesis, Crystal Structure and Catalytic Properties of a 2D Cobalt(II) Coordination Polymer Based on Mixed Ligands
张旭葛明HECKE Kristof Van崔广华
College of Chemical Engineering, Hebei United UniversityDepartment of Inorganic and Physical Chemistry, Ghent University
摘要:A new Co(II) metal-organic coordination polymer based on flexible bis(imidazole) and aromatic dicarboxylate co-ligands, namely [Co(bix)(nph)]n(H2nph = 3-nitrophthalic acid, bix = 1,4-bis(imidazole-1-ylmethyl)benzene), has been hydrothermally synthesized and characterized by elemental analyses, TG, IR spectroscopy and single-crystal X-ray diffraction. It crystallizes in the triclinic space group P1 with a = 9.3767(14), b = 10.1451(15), c = 12.1488(17), α = 102.6450(10), β = 108.856(2), γ = 98.807(2)°, V = 1035.3(3)3, Z = 2, C22H17 Co N5O6, Mr = 506.34, Dc = 1.624 g/cm3, μ = 0.882 mm-1 and F(000) = 518. In the complex, the nph2- ligands connect neighbouring cobalt atoms to form binuclear [Co(nph)]2 subunits, which are linked by pairs of bix ligands to form a 2D honeycomb-like(6,3) network. In addition, the compound is further extended into a 3D supramolecular architecture by π···π stacking interactions. Moreover, the luminescence and catalytic properties of the complex are investigated.
- DOI:
10.14102/j.cnki.0254-5861.2011-0542
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- 分类号:
O634
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