Synthesis, crystal structure and blue photoluminescence of a metal-organic framework constructed from triangular [Zn33-OH)] clusters with bis(tetrazole)amine ligands

  • Xiao Xia Tian
  • , Shao Bo Qu
  • , Wu Sen Zhang
  • , Zhuo Xu

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

A new metal-organic framework, {Zn[Zn3(BTA)33-OH)(H2O)3]2}n 1, has been synthesized under hydrothermal reaction of ZnCI2 and bis(5-tetrazolyl)amine (H2BTA), and characterized by elemental analysis, FT-IR, Raman spectrum, X-ray single-crystal diffraction, TGA and photoluminescence measurements. Compound 1 crystallizes in the trigonal system, space group P-3cl, a = 13.667(3), c = 12.981(3) Å,V= 2099.6(8) Å3 and Z = 2. The BTA2- ligand in 1 assumes the μ3 tetradentate mode with both 1,2- and 1,4-tetrazole bridges, generating an unusual 2-D layer, in which the [Zn33- OH)] triangular motifs act as three-connecting nodes and the mononuclear Zn atoms as six-connecting nodes that are inter-linked by organic ligands. Adjacent 2-D metal-organic layers are linked by strong hydrogen bonds to form a novel 3-D supramolecular framework. Complex 1 exhibits blue fluorescence emission in the solid state at ambient temperature.

Original languageEnglish
Pages (from-to)1053-1060
Number of pages8
JournalJiegou Huaxue
Volume28
Issue number9
StatePublished - 2009

Keywords

  • Bis(5-tetrazolyl)amine
  • Luminescence
  • Metal-organic framework
  • Topology
  • Triangular cluster

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