A Novel 6-Connected Self-interpenetrated Zn(Ⅱ) Coordination Polymer Based on 1,4-Bis(2-methylimidazole-3-ium-1-yl)biphenyl and Dicarboxylate Ligand: Synthesis, Crystal Structure and Luminescent Property

A novel coordination polymer {[Zn2(pda)2(bmp)1.5]·2H2O}n(1, H2 pda = 1,4-phenyl enediacetic acid and bmp = 1,4-bis(2-methy limidazol-3-ium-1-yl)biphenyl) was synthesized under hydrothermal conditions and characterized by single-crystal X-ray diffraction analyses and further characterized by elemental analyses, IR spectroscopy and powder X-ray diffraction(PXRD). Complex {[Zn2(pda)2(bmp)1.5]·2H2O}n(1) is of triclinic system, space group P1 with a = 10.132(5), b = 11.854(5), c = 18.784(5) ?, α = 80.256(5), β = 75.163(5), γ = 75.620(5)°, Z = 2, V = 2099.0(15) ?3, Mr = 908.54, Dc = 1.437 g/cm3, F(000) = 938 and μ = 1.206 mm-1. The final R = 0.0541 and wR = 0.1397 for 8017 observed reflections with I > 2σ(I). Complex 1 displays a three-dimensional(3D) self-interpenetrated 6-connected topological net with point symbol(48.67). Furthermore, the luminescent property of complex 1 was investigated in the solid state at room temperature.