A novel zeolite-like metal-organic framework, [Cd12(trz)12'F10'(SiF6)3]·(H3O)4 (Htrz = 1,2,4-triazole), has been synthesized under solvothermal conditions using 1H-l,2,4-triazole-3- carboxylic acid and ...A novel zeolite-like metal-organic framework, [Cd12(trz)12'F10'(SiF6)3]·(H3O)4 (Htrz = 1,2,4-triazole), has been synthesized under solvothermal conditions using 1H-l,2,4-triazole-3- carboxylic acid and CdF2 as the starting materials. The complex has been characterized by elemental analysis, IR, SEM-EDS, gas adsorption, powder and single-crystal X-ray diffraction analyses. The title complex crystallizes in the cubic 1-43m space group, with a = 14.6436(8), V= 3140.1(3)A3, Z = 2, Mr = 2857.96, D,.= 3.023 g/cm3 and F(000) = 2668. The final R = 0.0653 and wR = 0.1880 for 586 observed reflections with 1 〉 2σ(I). In the title complex, three adjacent Cd(ll) centers are connected by three p3-bridging triazole ligands to form triagonal secondary building units (SBUs), which are further interconnected to form a three-dimensional skeleton with tetrahedral cages.展开更多
基金National Natural Science Foundation of China(21101090)Natural Science Foundation of Jiangxi Province(20114BAB213001)Education Department of Jiangxi Province(GJJ12041)
文摘A novel zeolite-like metal-organic framework, [Cd12(trz)12'F10'(SiF6)3]·(H3O)4 (Htrz = 1,2,4-triazole), has been synthesized under solvothermal conditions using 1H-l,2,4-triazole-3- carboxylic acid and CdF2 as the starting materials. The complex has been characterized by elemental analysis, IR, SEM-EDS, gas adsorption, powder and single-crystal X-ray diffraction analyses. The title complex crystallizes in the cubic 1-43m space group, with a = 14.6436(8), V= 3140.1(3)A3, Z = 2, Mr = 2857.96, D,.= 3.023 g/cm3 and F(000) = 2668. The final R = 0.0653 and wR = 0.1880 for 586 observed reflections with 1 〉 2σ(I). In the title complex, three adjacent Cd(ll) centers are connected by three p3-bridging triazole ligands to form triagonal secondary building units (SBUs), which are further interconnected to form a three-dimensional skeleton with tetrahedral cages.