Hydrothermal reaction between mixed ligand(1,2,4-triazole and benzoic acid) and Zn(NO3)2·6H2O afforded a three-dimensional(3D) metal-organic framework Zn3(C2H2N3)2(C7H5O2)4(C2H2N3=1,2,4-triazole, C7H5O...Hydrothermal reaction between mixed ligand(1,2,4-triazole and benzoic acid) and Zn(NO3)2·6H2O afforded a three-dimensional(3D) metal-organic framework Zn3(C2H2N3)2(C7H5O2)4(C2H2N3=1,2,4-triazole, C7H5O2=benzoic acid). The compound was crystallized in the hexagonal system with space group R3: a=2.90234(9) nm, b=2.90234(9) nm, c=1.08597(5) nm, γ=120°, V=7.9222(5) nm^3, Mr=816.68, Dc=1.541 g/cm^3, Z=9, F(000)=3708, R=0.0636, and wR=0. 1777. Its structure consists of ZnN2O2 tetrahedron and ZnN204 octahedron, which are connected by 1,2,4-triazole and benzoic acid ligands to form a 3D framework with helical units. This compound forms an interpenetrated NbO topology. The compound was characterized by single-crystal X-ray diffraction, elemental analysis, FTIR spectra, and TGA measurements.展开更多
基金Supported by the National Natural Science Foundation of China(Nos.20121103, 20671040 and 20601010)the National High Technology Research and Development Program of ChinaFox Ying Dong Education Foundation, China.
文摘Hydrothermal reaction between mixed ligand(1,2,4-triazole and benzoic acid) and Zn(NO3)2·6H2O afforded a three-dimensional(3D) metal-organic framework Zn3(C2H2N3)2(C7H5O2)4(C2H2N3=1,2,4-triazole, C7H5O2=benzoic acid). The compound was crystallized in the hexagonal system with space group R3: a=2.90234(9) nm, b=2.90234(9) nm, c=1.08597(5) nm, γ=120°, V=7.9222(5) nm^3, Mr=816.68, Dc=1.541 g/cm^3, Z=9, F(000)=3708, R=0.0636, and wR=0. 1777. Its structure consists of ZnN2O2 tetrahedron and ZnN204 octahedron, which are connected by 1,2,4-triazole and benzoic acid ligands to form a 3D framework with helical units. This compound forms an interpenetrated NbO topology. The compound was characterized by single-crystal X-ray diffraction, elemental analysis, FTIR spectra, and TGA measurements.