3D Coordination Polymer of Cd(II) with an Imidazolium-Based Linker Showing Parallel Polycatenation Forming Channels with Aligned Imidazolium Groups

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  • Susan Sen
    Department of Chemistry, Indian Institute of Technology, Kanpur 208016, India
  • Teppei Yamada
    Division of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto, 606-8502, Japan
  • Hiroshi Kitagawa
    Division of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto, 606-8502, Japan
  • Parimal K. Bharadwaj
    Department of Chemistry, Indian Institute of Technology, Kanpur 208016, India

書誌事項

公開日
2014-01-28
資源種別
journal article
DOI
  • 10.1021/cg401760m
公開者
American Chemical Society (ACS)

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説明

A novel entangled architecture formed on solvothermal reaction of a imidazolium based bent ligand with Cd(NO3)2, showing 1D channels decorated with imidazolium groups, is reported. The polymer, {[Cd2(L)3(DMF)(NO3)](DMF)3(H2O)8}n (1) (where H2L = 1,3-bis(4-carboxyphenyl)imidazolium, DMF = dimethylformamide), shows an interesting 6,3-connected polycatenated structure with channels along the crystallographic b-axis occupied with large number of DMF and water molecules. On removal of these solvent molecules the compound maintains its overall structure. Proton conductivity investigation affords a proton conductivity of 1.3 × 10–5 Scm–1 at 25 °C and 98% RH when water molecules are introduced into the empty channels.

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