By varying the spacer angles of phenylenediacetic acid, two novel Zn(II) coordination polymers based on semirigid N-heterocyclic ligand 1,4-bis(2-ethylbenzimidazol-1-ylmethyl) benzene, [Zn(beb)0.5(m-phda)]n(1...By varying the spacer angles of phenylenediacetic acid, two novel Zn(II) coordination polymers based on semirigid N-heterocyclic ligand 1,4-bis(2-ethylbenzimidazol-1-ylmethyl) benzene, [Zn(beb)0.5(m-phda)]n(1) and {[Zn(beb)(p-phda)]·2H2O}n(2), were synthesized and fully structurally characterized. Polymer 1 exhibits a 2D grid-layer with a 44 topology. Polymer 2 shows a 2D layer with rare meso-helix. In addition, the thermal stability and photoluminescence properties of polymers 1 and 2 have also been investigated.展开更多
基金Financially supported by the National Natural Science Foundation(No.21372112)the Science and Technology Research Key Project of the Education Department of Henan Province(2014A150025)
文摘By varying the spacer angles of phenylenediacetic acid, two novel Zn(II) coordination polymers based on semirigid N-heterocyclic ligand 1,4-bis(2-ethylbenzimidazol-1-ylmethyl) benzene, [Zn(beb)0.5(m-phda)]n(1) and {[Zn(beb)(p-phda)]·2H2O}n(2), were synthesized and fully structurally characterized. Polymer 1 exhibits a 2D grid-layer with a 44 topology. Polymer 2 shows a 2D layer with rare meso-helix. In addition, the thermal stability and photoluminescence properties of polymers 1 and 2 have also been investigated.