Two solvent-dependent zinc(II) supramolecular isomers: Rare kgd and Lonsdaleite network topologies based on a tripodal flexible ligand

Cui P.; Wu J.; Zhao X.; Zhang L.; Guo J.; Sun D.

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Two solvent-dependent zinc(II) supramolecular isomers: Rare kgd and Lonsdaleite network topologies based on a tripodal flexible ligand

机译：两种溶剂依赖性锌（II）超分子异构体：基于三脚架柔性配体的稀有kgd和Lonsdaleite网络拓扑

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Two Zn(II) supramolecular isomeric metal-organic frameworks (MOFs) based on well-designed tripodal tris(2-carboxyethyl)isocyanuric acid (H3tci), formulated as [(Me_2NH_2)Zn(tci)?0.5DMF]_n (1) and [(Me_2NH_2)Zn(tci)?2DMF]_n (2) (Me_2NH_2 = protonated dimethylamine, DMF = N,N-dimethylformamide) have been solvothermally synthesized and characterized. Compounds 1 and 2 are supramolecular isomers controlled by solvent systems and exhibit a structural progression from a rare two-dimensional kgd sheet to a three-dimensional framework with unusual Lonsdaleite (lon) topology. The structural dissimilarity between them was dependent on the coordination environments of the Zn(II) ion and linking modes of the tci ligand influenced by solvent systems. The photoluminescence behaviors of 1 and 2 are also discussed.

机译：基于精心设计的三脚架三（2-羧乙基）异氰尿酸（H3tci）的两个Zn（II）超分子异构金属有机骨架（MOF），配制成[（Me_2NH_2）Zn（tci）？0.5DMF] _n（1）和[（Me_2NH_2）Zn（tci）→2DMF] _n（2）（Me_2NH_2 =质子化的二甲胺，DMF = N，N-二甲基甲酰胺）已被溶剂热合成和表征。化合物1和2是受溶剂系统控制的超分子异构体，并表现出从稀有的二维kgd片到具有不寻常的Lonsdaleite（lon）拓扑的三维构架的结构演变。它们之间的结构差异取决于Zn（II）离子的配位环境和受溶剂体系影响的tci配体的连接方式。还讨论了1和2的光致发光行为。

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《Crystal growth & design》 |2011年第12期|共6页
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Cui P.; Wu J.; Zhao X.; Zhang L.; Guo J.; Sun D.;
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Two solvent-dependent zinc(II) supramolecular isomers: Rare kgd and Lonsdaleite network topologies based on a tripodal flexible ligand

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