Herein, five coordination polymers, namely {[Ni₂(tptc)(4,4′-bibp)₂]·2H₂O·2cyclohexanol}_n (1), {[Co₂(tptc)(4,4′-bibp)₂]·2H₂O·2cyclohexanol}_n (2), {[Zn₂(tptc)(1,2-bimb)₂]}_n (3), {[Co(tptc)_0.5(1,4-bib)]·H₂O·DMF}_n (4), and {[Co₂(tptc)(1,2-bimb)(H₂O)]·H₂O}_n (5) (H₄tptc = terphenyl-3,3′′,5,5′′-tetracarboxylic, 4,4′-bibp = 4,4′-bis(imidazolyl)biphenyl, 1,4-bib = 1,4-bis(imidazol-1-yl)benzene, and 1,2-bimb = 1,2-bis(imidazol-1-ylmethyl)benzene) were successfully constructed based on a rigid terphenyl-tetracarboxylic acid ligand and N-containing auxiliary ligands under solvothermal conditions. Their structures were determined by single-crystal X-ray diffraction and further characterized by elemental analyses, IR spectroscopy, powder X-ray diffraction (PXRD), and thermogravimetric (TG) analyses. Complexes 1 and 2 involved a new 4,6-c 3D network structure. Complex 3 displayed an open 3D structure with the bbf topological type. Complex 4 involved an extended 3D (4,6)-c network with the point symbol of {4⁴·6¹⁰·8}{4⁴·6²}. Complex 5 had a 2D framework with the dinuclear [Co₂(COO)₂] SBUs. The variable-temperature magnetic susceptibilities of complexes 1, 2, 4, and 5 were also investigated, and the results indicated that the isophthalic acid bridge exhibited weak ferromagnetic coupling. Moreover, the fluorescence experiments showed that complex 3 had a potential application in the sensing of small organic molecules.

中文翻译：

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五种基于刚性三联苯四甲酸的配位聚合物的磁性能和发光传感

在此，五种配位聚合物，即{[Ni ₂（tptc）（4,4'-bibp）₂ ]·2H ₂ O· ₂环己醇} _n（1），{[Co ₂（tptc）（4,4'-bibp） ）₂ ]·2H ₂ O· ₂环己醇} _n（2），{[Zn ₂（tptc）（1,2-bimb）₂ ]} _n（3），{[Co（tptc）_0.5（1,4-bib） ）]·H ₂ O·DMF} _n（4）和{[Co ₂（tptc）（1,2-bimb）（H ₂ O）]·H ₂ O} _n（5）（H ₄ tptc =联苯-3,3''，5,5''-四羧酸，4,4'-bibp = 4,4'-双（咪唑基）联苯，1,4-bib = 1,4-在刚性三苯基四羧酸配体和含氮辅助配体的基础上成功构建了双（咪唑-1-基）苯和1,2-bimb = 1,2-双（咪唑-1-基甲基）苯溶剂热条件。它们的结构通过单晶X射线衍射确定，并进一步通过元素分析，红外光谱，粉末X射线衍射（PXRD）和热重分析（TG）分析来表征。络合物1和2涉及一种新的4,6--C三维网络结构。复合体3显示了具有bbf拓扑类型的开放式3D结构。复杂4涉及一个扩展的3D（4,6）-c网络，其点符号为{4 ⁴ ·6 ¹⁰ ·8} {4 ⁴ ·6 ² }。配合物5具有带有双核[Co ₂（COO）₂ ] SBU的二维框架。复合物的变温磁化率1，2，4，和5也进行了研究，结果表明，间苯二甲酸桥表现出弱的铁磁耦合。此外，荧光实验表明，配合物3在检测有机小分子方面具有潜在的应用前景。