A novel cobalt(Ⅱ) coordination polymer, [Co(tdc)(bpmp)(H2O)]n(1), was hydrothermally synthesized using 2,5-thiophenedicarboxylate(tdc) and bis(4-pyridylmethyl)piperazine(bpmp) ligand as the organic li...A novel cobalt(Ⅱ) coordination polymer, [Co(tdc)(bpmp)(H2O)]n(1), was hydrothermally synthesized using 2,5-thiophenedicarboxylate(tdc) and bis(4-pyridylmethyl)piperazine(bpmp) ligand as the organic linkers. X-ray single-crystal diffraction determination reveals that 1 crystallizes in the monoclinic Cc space group, with a = 18.836(2), b = 5.9540(7), c = 20.414(2) A, β = 97.4300(10)°, V = 2270.1(5) A3, Z = 4, Mr = 515.44, Dc = 1.508 Mg/m^3, μ = 0.890 mm-1, F(000) = 1068, the final R = 0.0263 and w R = 0.0665 for 3714 observed reflections with I 2σ(I). In compound 1, the Co(Ⅱ) ions are connected by tdc2- anions to form a 1D double chain, and such chains are further linked by bpmp ligands to form a three-dimensional(3D) structure. Topologically, the structure of 1 represents a uninodal 3D dia(6^6) topology. What's more, powder X-ray diffraction patterns and photocatalytic property for 1 have also been investigated.展开更多
基金supported by the Natural Science Foundation of Henan Province(132300410326)
文摘A novel cobalt(Ⅱ) coordination polymer, [Co(tdc)(bpmp)(H2O)]n(1), was hydrothermally synthesized using 2,5-thiophenedicarboxylate(tdc) and bis(4-pyridylmethyl)piperazine(bpmp) ligand as the organic linkers. X-ray single-crystal diffraction determination reveals that 1 crystallizes in the monoclinic Cc space group, with a = 18.836(2), b = 5.9540(7), c = 20.414(2) A, β = 97.4300(10)°, V = 2270.1(5) A3, Z = 4, Mr = 515.44, Dc = 1.508 Mg/m^3, μ = 0.890 mm-1, F(000) = 1068, the final R = 0.0263 and w R = 0.0665 for 3714 observed reflections with I 2σ(I). In compound 1, the Co(Ⅱ) ions are connected by tdc2- anions to form a 1D double chain, and such chains are further linked by bpmp ligands to form a three-dimensional(3D) structure. Topologically, the structure of 1 represents a uninodal 3D dia(6^6) topology. What's more, powder X-ray diffraction patterns and photocatalytic property for 1 have also been investigated.