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Synthesis, structure and luminescence properties of a three-dimensional Cd(II) coordination polymer with (3, 7)-connected topology
Journal of Sulfur Chemistry ( IF 2.1 ) Pub Date : 2020-05-20 , DOI: 10.1080/17415993.2020.1766462
Zhao-Hao Li 1 , Jun Zhang 1 , Qiu-Pei Qin 1
Affiliation  

Solvothermal reaction of 2,5-thiophenedicarboxylic acid and 3,5-bis(imidazol-1′-yl)pyridine with cadmium nitrate provided a new coordination polymer, namely {[Cd2(tdc)2(bimpy)](2H2O)(2DMF)}n (1) where H2tdc = 2,5-thiophenedicarboxylic acid, and bimpy = 3,5-bis(imidazol-1′-yl)pyridine. The compound has been structurally characterized by single-crystal X-ray diffraction analyses and further characterized by elemental analyses, IR spectroscopy, powder X-ray diffraction, and thermogravimetric analyses. Crystallographic data show that the compound crystallizes in the monoclinic P21/n space group and exhibits an interesting three-dimensional network comprising binuclear Cd(II) structural unit, which could be described as a (3,7)-connected topology. At room temperature, compound 1 exhibits strong fluorescence emission in the solid state. GRAPHICAL ABSTRACT

中文翻译:

具有(3, 7)连接拓扑结构的三维Cd(II)配位聚合物的合成、结构和发光特性

2,5-噻吩二甲酸和3,5-双(咪唑-1'-基)吡啶与硝酸镉的溶剂热反应提供了一种新的配位聚合物,即{[Cd2(tdc)2(bimpy)](2H2O)(2DMF) )}n (1) 其中 H2tdc = 2,5-噻吩二甲酸,bimpy = 3,5-双(咪唑-1'-基)吡啶。该化合物已通过单晶 X 射线衍射分析进行结构表征,并通过元素分析、红外光谱、粉末 X 射线衍射和热重分析进一步表征。晶体学数据表明,该化合物在单斜 P21/n 空间群中结晶,并表现出一个有趣的三维网络,包括双核 Cd(II) 结构单元,可描述为 (3,7) 连接拓扑。在室温下,化合物 1 在固态下表现出强烈的荧光发射。
更新日期:2020-05-20
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