Synthesis, characterization and fluorescent property of two mixed ligand coordination polymers constructed from 4-cyclohexene-1,2-dicarboxylate and nitrogen-containing ligands

摘要

Two new coordination polymers [Cd(1,2′-cy) (btx)_(0.5)H _2O]_n 1 and {[Ni(1,2-cy)(2,2′-bipy)(H _2O)_2] 3H_2O}_n 2 (1,2′-cy=4- cyclohexene-1,2-dicarboxylate, btx=1,4-bis(triazol-1-ylmethyl)benzene, 2,2′-bipy=2,2′-bipyridine) had been synthesized. Their structures were characterized by elemental analysis, IR, TG and X-ray single-crystal diffraction analysis. Crystal data for complex 1: Triclinic, space group P-1, a = 6.4303(13) ?, b = 10.399(2) ?, c = 11.713(2), α = 83.04(3)°, β = 81.87(3)°, γ = 83.84(3)°, and Z = 2. For complex 2: Orthorhombic, space group Pbcn, a = 15.613(3) ?, b = 13.970(3) ?, c = 21.290(4) ?, and Z = 4. Complex 1 exhibits an interesting two-dimensional wavelike covalent layer structure. When Ni salt was replaced by Cd salt, and reacts with 1,2′-cy and 2,2′-bipy, one-dimensional chainlike complex 2 was obtained. Furthermore, the fluorescent property of complex 1 was reported.