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Anion-dependent construction of three Cd(II) coordination polymers containing helical chains: Structures and luminescence properties

Authors
Journal
Inorganic Chemistry Communications
1387-7003
Publisher
Elsevier
Identifiers
DOI: 10.1016/j.inoche.2014.10.005
Keywords
  • Chiral
  • Helicity
  • Anion-Dependent
  • Cd(Ii) Coordination Polymers

Abstract

Abstract Three new coordination polymers, [Cd(μ3-PyBIE)(NO3)]n (1), [Cd(μ2-HPyBIE)2(ClO4)2]n (2) and {[Cd1.5(μ2-HPyBIE)Cl3]·2H2O}n (3), were synthesized by the solvothermal reactions of a new benzimidazole derivative ligand, 1-(1-(pyridin-4-ylmethyl)-1H-benzoimidazol-2-yl)ethanol (HPyBIE). Crystal structure analysis showed that all the compounds were two-dimensional (2D) layer structures based on 1D helical secondary building units (SBUs). The helicity of 1D helical chain is dependent on the chiral conformation of HPyBIE ligand. Investigation of their structural diversity reveals that anions play an important role in the assembly procedure. Furthermore, the luminescence properties of compounds 1–3 were also studied.

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