A new 1D coordination polymer, [Pb（L）（cis-1,4-chdc）]·0.5H2O （cis-1,4-chdc = 1,4-cyclohexanedicarboxylate and L = 2-（4-fluorophenyl）-1H-imidazo[4,5-f][1,10]phenanthroline）, has been synthesized under hydro...A new 1D coordination polymer, [Pb（L）（cis-1,4-chdc）]·0.5H2O （cis-1,4-chdc = 1,4-cyclohexanedicarboxylate and L = 2-（4-fluorophenyl）-1H-imidazo[4,5-f][1,10]phenanthroline）, has been synthesized under hydrothermal conditions and characterized by elemental analysis, TG and single-crystal X-ray diffraction. It crystallizes in triclinic, space group P1 with a = 9.153（5）, b = 10.338（5）, c = 13.074（5）, α = 80.956（5）, β = 89.725（5）, γ = 80.534（5）°, V = 1204.8（10）3 , Z = 1, C54H44F2N8O9Pb2 , Mr = 1401.35, Dc = 1.931 g/cm3 , F（000） = 678, μ（MoKa） = 7.055 mm-1 , R = 0.0277 and wR = 0.0559. Each cis-1,4-chdc anion coordinates with two Pb（Ⅱ） atoms in a bis-chelating coordination mode. In this way, cis-1,4-chdc anions bridged the neighboring Pb（Ⅱ） atoms to generate a 1D chain structure. The L ligands from neighboring chains are paired through the strong π-π interactions to generate a fascinating 2D supramolecular layer.展开更多
基金Supported by Jilin Province Science and Technology Development projects (No. 20100549)
文摘A new 1D coordination polymer, [Pb（L）（cis-1,4-chdc）]·0.5H2O （cis-1,4-chdc = 1,4-cyclohexanedicarboxylate and L = 2-（4-fluorophenyl）-1H-imidazo[4,5-f][1,10]phenanthroline）, has been synthesized under hydrothermal conditions and characterized by elemental analysis, TG and single-crystal X-ray diffraction. It crystallizes in triclinic, space group P1 with a = 9.153（5）, b = 10.338（5）, c = 13.074（5）, α = 80.956（5）, β = 89.725（5）, γ = 80.534（5）°, V = 1204.8（10）3 , Z = 1, C54H44F2N8O9Pb2 , Mr = 1401.35, Dc = 1.931 g/cm3 , F（000） = 678, μ（MoKa） = 7.055 mm-1 , R = 0.0277 and wR = 0.0559. Each cis-1,4-chdc anion coordinates with two Pb（Ⅱ） atoms in a bis-chelating coordination mode. In this way, cis-1,4-chdc anions bridged the neighboring Pb（Ⅱ） atoms to generate a 1D chain structure. The L ligands from neighboring chains are paired through the strong π-π interactions to generate a fascinating 2D supramolecular layer.
