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首页> 外文期刊>Crystal growth & design >Temperature-Induced Syntheses, Iodine Elimination, Enantiomers Resolution, and Single-Crystal-to-Single-Crystal Transformation of Imidazole-Co(II) Coordination Polymers with Amino-isophthalic Acid as Co-Ligand
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Temperature-Induced Syntheses, Iodine Elimination, Enantiomers Resolution, and Single-Crystal-to-Single-Crystal Transformation of Imidazole-Co(II) Coordination Polymers with Amino-isophthalic Acid as Co-Ligand

机译：氨基间苯二甲酸作为共配体的咪唑-Co（II）配位聚合物的温度诱导合成，消除碘，对映体拆分和单晶至单晶转化

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On the basis of a temperature-induced effect, the solvothermal reaction of Co(Ac)(2)center dot 4H(2)O, 5-amino-2,4,6-triiodoisophthalic acid (H(2)atibdc), and 1,4-bis(2-methylimidazol-1-yl)butane (bib) at 80 degrees C gave a new coordination polymer [Co(bib)(atibdc)] (1), which shows a two-dimensional (2D) network with left- and right-handed helical chains. By raising the reaction temperature to 130 degrees C, a pair of homochiral enantiomers [Co(bib)(atibdc)]center dot 2H(2)O (2, 2M, and 2P) were successfully obtained, displaying a three-dimensional (3D) framework with three kinds of unique helical chains. Keeping the temperature of the reaction system to 150 degrees C, excited, an in situ iodine elimination reaction occurred, and a new linker S-arninoisophthalic acid (H(2)aipa) was generated, which then cooperated with the bib ligand to construct a coordination polymer [Co(bib)(aipa)] (3), showing a 3D 3-fold interpenetrating architecture. The comparison of final solid structures exhibits an exclusive temperature-induced effect on the construction of the coordination polymer. Furthermore, via a single-crystal-to-single-crystal (SCSC) transformation, the 2D network of 1 can be derived from the 3D framework of 2, which presents a rare type of temperature-solvent induced SCSC transformation. In addition, the magnetic properties of 1-3 have been investigated as well.
机译：根据温度诱导的影响，Co（Ac）（2）中心点4H（2）O，5-氨基-2,4,6-三碘间苯二甲酸（H（2）atibdc）和1,4-双（2-甲基咪唑-1-基）丁烷（围嘴）在80摄氏度下得到一种新的配位聚合物[Co（bib）（atibdc）]（1），该图显示了二维（2D）网络带有左旋和右旋螺旋链。通过将反应温度提高到130摄氏度，成功获得了一对同手性对映体[Co（bib）（atibdc）]中心点2H（2）O（2、2M和2P），显示了三维（3D） ）具有三种独特的螺旋链的框架。将反应体系的温度保持在150摄氏度，激发后，发生原位碘消除反应，并生成了新的S-氨基间苯二甲酸（H（2）aipa）接头，然后与bib配体协作构建了一个配位聚合物[Co（bib）（aipa）]（3），显示3D 3倍互穿结构。最终固体结构的比较对配位聚合物的结构表现出排他的温度诱导作用。此外，通过单晶到单晶（SCSC）转换，可以从2的3D框架派生1的2D网络，这代表了温度溶剂诱导的SCSC转换的罕见类型。另外，还研究了1-3的磁性能。

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