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Synthesis, Structure of a Novel Two-dimensional Inorganic-organic
Framework Ni(PDC)(H2O)2 with Double Helical Chains

TIAN Ge, ZHU Guang-Shan, FANG Qian-Rong, XIN Ming-Hong, GUO Xiao-Dan, XUE Ming, QIU Shi-Lun*   

  1. State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, China
  • Received:2005-04-19 Revised:1900-01-01 Online:2006-06-10 Published:2006-06-10
  • Contact: QIU Shi-Lun

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Abstract: A novel coordination polymer [Ni(PDC)(H2O)2] was synthesized under solvothermal conditions and characterized by means of single- crystal X-ray diffraction(XRD) analysis, elemental analysis, IR analysis, TG analysis. Crystal data for C7H7NO6Ni were obtained, i.e., monoclinic P21/c(No.14), a=0.720 2(3) nm, b=0.917 2(4) nm, c=0.128 79(4) nm, β=90.46(3)°, Z=4. The compound was a 2D layered coordination polymer with helical chains. In the compound, there are two helical Ni-O-C and Ni-pdc chains in one layer, and the opposite orientation of the helical chains in the adjacent layers. The layers are connected via hydrogen bonds into 3D supramolecular framework.

Key words: Inorganic-organic framework material, Pyridinecarboxylate, Helical chains

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