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采用溶剂热合成法,利用T型三羧酸配体3,4′,5-联苯三羧酸(H3BPT=biphenyl-3,4′,5-tricarboxylic acid)制备并表征了2个2D→3D穿插结构的金属有机框架结构,{[Ni3(BPT)2(bpe)2(H2O)6]·2DMF·7H2O}n(1)和{[Ni3(BPT)2(bpea)2(H2O)6]·2DMF·5H2O}n(2)(bpe=1,2-bis(4-pyridyl)ethylene,bpea=1,2-bis(4-pyridyl)ethane,DMF=N,N-dimethylformamide)。在这2个化合物中,BPT配体和含氮配体bpe或bpea共同连接相邻的Ni髤中心,形成(3,4)-连接的(63)(65.8)二维双层结构。相邻双层结构间相互穿插,形成具有聚轮烷结构的2D→3D互锁结构。气体吸附性质表明,化合物1对CO2和N2具有一定的吸附能力。
Solvothermal synthesis was used to prepare and characterize two 2D → 3D (3-tricarboxylic acid) tricarboxylic acid ligands 3,4 ’, 5-tricarboxylic acid (H3BPT = biphenyl- A metal-organic framework structure of interspersed structures, {[Ni3 (BPT) 2 (bpe) 2 (H2O) 6] 2DMF7H2O} n (1) and {[Ni3 (BPT) 2 (bpea) 2 · 2DMF · 5H2O} n (2) (bpe = 1,2-bis (4-pyridyl) ethylene, bpea = 1,2-bis (4-pyridyl) ethane, DMF = N, N-dimethylformamide. Of these two compounds, the BPT ligand and the nitrogen-containing ligands bpe or bpea join together adjacent Ni 髤 centers to form a (3,4) -linked (63) (65.8) two-dimensional bilayer structure. Adjacent double-layer structures interspersed with each other to form a 2D → 3D interlock structure with a polyrotaxane structure. Gas adsorption properties show that compound 1 has certain adsorption capacity for CO2 and N2.