Chem. J. Chinese Universities ›› 2013, Vol. 34 ›› Issue (12): 2691.doi: 10.7503/cjcu20130716

• Article: Inorganic Chemistry • Previous Articles     Next Articles

Diverse Structures of Two Zn(Ⅱ) Coordination Polymers with 5-Amino-tetrazolate and 1,4-Benzenedicarboxylate Tuned by Solvent System

LU Wen-Guan, LIU Hong-Wen, YIN Xu-Guang, LAN Lu-Mei, LIU Hai-Yao   

  1. Department of Chemistry, Shaoguan University, Shaoguan 512005, China
  • Received:2013-07-25 Online:2013-12-10 Published:2013-09-29

Abstract:

The hydrothermal reaction of 5-amino-tetrazole(HATz) and 1,4-benzenedicarboxylic acid(H2BDC) with Zn(NO3)2 gave a new coordination polymer {[Zn2(ATz)2(BDC)(H2O)2] ·H2O}n(1), and when this reaction was carried out under N,N'-dimethylformamide(DMF) solvothermal condition, another new coordination polymer {[Zn2(ATz)2(BDC)(DMF)2] }n(2) was obtained. Complexes 1 and 2 were characterized by elemental analyses, infrared spectroscopy, single-crystal X-ray diffraction, and powder X-ray diffraction. Complex 1 exhibits a 2D 3-connected(6,3) honeycomb(hcb) network with the Zn(Ⅱ) ions as 3-connected nodes, and the μ2-ATz- and μ2-BDC2- ligands as linkers, and then strong hydrogen bonding interactions extend the 2D layers into 3D supramolecular framework. While, complex 2 possesses a 3D 6-connected primitive cubic(pcu) metal-organic framework with the binuclear Zn(Ⅱ) units [Zn2(CO)2] as 6-connected nodes, and the μ2-ATz- and μ4-BDC2- ligands as linkers. Furthermore, their thermal stabilities and photoluminescence at room temperature in solid state were also investigated.

Key words: Metal-organic coordination polymer, 5-Amino-tetrazole, 1,4-Benzenedicarboxylic acid, Fluorescence property

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