Transition Metal Chemistry ( IF 1.6 ) Pub Date : 2021-07-29 , DOI: 10.1007/s11243-021-00472-6 Ya-Xin Kang 1 , Dong-Cheng Hu 1 , Dan-Dan Zhang 1 , Man-Na Zhao 1 , Jia-Cheng Liu 1 , Ji Zhang 2
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Template-induced synthesis of coordination polymers (CPs) is of increasing interest. Herein, we report the synthesis of two Co(II)-complexes from 4-[(1-carboxynaphthalen-2-yl)oxy]phthalic acid (H3L) and 1,10-phenanthroline (phen) templates by two anions ( NO3−, CH3COO−) under solvothermal conditions. The compounds were characterized by single-crystal X-ray diffraction, elemental analysis, infrared spectroscopy, powder X-ray diffraction and thermogravimetry measurement, respectively. Compound 1 possesses an infinite 2D layer structure with a (6, 3)-connected topology. Compound 2 exhibits 2D → 3D supermolecular frameworks by π⋯π stacking interactions among adjacent layers. Moreover, magnetization data for 2 with the {Co2} units showed the antiferromagnetic coupling in the {Co2} units.
Graphical abstract
Two novel Co(II) coordination polymers have been successfully synthesized by templating two different anions ( NO3−, CH3COO−) under solvothermal conditions. Due to the templating role of the anions, the compounds showed different topological structure. Compound 1 possess an infinite 2D layer structure with a (6,3)-connected topology. Compound 2 exhibit 2D → 3D supermolecular frameworks by π⋯π stacking interactions among adjacent layers.
中文翻译：
基于半刚性羧酸配体的 Co(II) 配合物的阴离子模板组装：合成、结构和磁性
模板诱导的配位聚合物 (CP) 合成越来越受到关注。在此，我们报告了由 4-[(1-carboxynaphthalen-2-yl)oxy]phthalic acid (H 3 L) 和 1,10-phenanthroline (phen) 模板通过两个阴离子（ NO 3 - , CH 3 COO - ) 在溶剂热条件下。分别通过单晶X射线衍射、元素分析、红外光谱、粉末X射线衍射和热重法对化合物进行了表征。化合物1具有无限 2D 层结构，具有 ( 6 , 3 )-连通拓扑。化合物2通过相邻层之间的π ⋯ π堆积相互作用展示 2D → 3D 超分子框架。此外，用于磁化数据2与{钴2 }单位显示在{钴的反铁磁性耦合2 }单元。
图形概要
通过在溶剂热条件下对两种不同的阴离子（NO 3 -、CH 3 COO -）进行模板化，已成功合成了两种新型 Co(II) 配位聚合物。由于阴离子的模板作用，化合物表现出不同的拓扑结构。化合物 1 具有无限 2D 层结构，具有 (6,3) 连接拓扑。化合物 2 通过相邻层之间的π ⋯ π堆积相互作用表现出 2D → 3D 超分子框架。
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