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首页> 外文期刊>Crystal growth & design >Series of metal-organic frameworks including novel architectural features based on a star-like tri(4-pyridylphenyl)amine ligand
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Series of metal-organic frameworks including novel architectural features based on a star-like tri(4-pyridylphenyl)amine ligand

机译:金属-有机骨架系列,包括基于星形三(4-吡啶基苯基)胺配体的新颖建筑特征

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Six new metal-organic frameworks with novel structural features based on a star-like ligand tri(4-pyridylphenyl)amine (TPPA), namely, {[Cd(TPPA)(pht) (H_2O)](H_2O)_2}_n (1), {[Zn(TPPA)(pht)](H_2O)_2}_n (2), {[Zn(TPPA)(trans-chdc)_(0.5)(NO_3)]·(H _2O)}_n (3), {[Co(TPPA)(bdc)(H_2O)]·(H _2O)}_n (4), {[Co(TPPA)(bdc)(H_2O)]·(H _2O)_4}_n (5), and {[Co(TPPA)(bdc)]}_n (6) (H2pht = phthalic acid, trans-H_2chdc = trans-1,4-cyclohexanedicarboxylic acid, H_2bdc = benzene-p- dicarboxylic acid), have been synthesized under solvothermal conditions. Compounds 1-3 all exhibit fascinating 2D → 3D frameworks with coexistence of inclined polycatenation and polythreading characters. On the other hand, compounds 4-6 are three supramolecular isomers. Even though the compositions of 4-6 are almost same, they generate different structures. Compound 4 shows a 2D → 3D framework with parallel polycatenation of undulated square layers. Compound 5 reveals 3-fold interpenetrating 3D frameworks with {4.6 ~2}{4~3.6~7} crs topology. Compound 6 shows a 4-fold interpenetrating 3D metal-organic polyrotaxane framework. In addition, photophysical properties of 1-3 and the TPPA ligand in the solid state have also been studied.
机译:基于星形配体三(4-吡啶基苯基)胺(TPPA)的六个具有新颖结构特征的新金属有机骨架,即{[Cd(TPPA)(pht)(H_2O)](H_2O)_2} _n( 1),{[Zn(TPPA)(pht)](H_2O)_2} _n(2),{[Zn(TPPA)(trans-chdc)_(0.5)(NO_3)]·(H _2O)} _ n( 3),{[Co(TPPA)(bdc)(H_2O)]·(H _2O)} _ n(4),{[Co(TPPA)(bdc)(H_2O)]·(H _2O)_4} _n(5 )和{[Co(TPPA)(bdc)]} _ n(6)(H2pht =邻苯二甲酸,反-H_2chdc =反-1,4-环己烷二甲酸,H_2bdc =苯-对-二羧酸)已合成在溶剂热条件下。化合物1-3都具有引人入胜的2D→3D框架,并同时存在倾斜的聚级联和多线程特征。另一方面,化合物4-6是三种超分子异构体。即使4-6的成分几乎相同,它们也会产生不同的结构。化合物4显示了2D→3D框架,具有起伏的正方形层的平行聚串联。化合物5揭示了具有{4.6〜2} {4〜3.6〜7} crs拓扑结构的3倍互穿3D框架。化合物6显示了4倍互穿的3D金属-有机聚轮烷骨架。另外,还研究了1-3的光物理性质和TPPA配体的固态。

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