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Construction of a new acentric metal–organic framework with isolated tetrahedral {Zn4O} clusters as building subunits

Authors
Journal
Inorganic Chemistry Communications
1387-7003
Publisher
Elsevier
Volume
46
Identifiers
DOI: 10.1016/j.inoche.2014.04.029
Keywords
  • Solvothermal Synthesis
  • Tetrahedral {Zn4O} Cluster
  • Sxbtopology
  • Luminescence
Disciplines
  • Mathematics

Abstract

Abstract A new noncentrosymmetric Zn(II) compound, namely [Zn4(mbdc)3(μ4-O)(DMA)(H2O)]n·2n(DMA) (1, H2mbdc=isophthalic acid, DMA=N,N′-dimethylacetamide), has been solvothermally synthesized by the combination of H2mbdc and Zn(NO3)2. Single crystal X-ray analysis reveals that compound 1 is a complicated 3D framework based on isolated tetrahedral {Zn4O} clusters as building subunits, which can be simplified into a 6-connected sxb topological network. Second-harmonic generation (SHG) measurements on powder samples reveal that compound 1 exhibits moderate SHG signals approximately 1.67 times that of KDP (KH2PO4). Luminescent investigations show that compound 1 emits intense blue luminescence at room temperature.

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