辅助配体调控的甲基-3-羟基-5-羧基-2-噻吩羧酸甲酯类Cd(II)配位聚合物

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摘要

本文合成了两个含氮配体调控的配位聚合物, [Cd(L)(dmpz)2]n (1) 和 {[Cd(L)(atr)0.5(H2O)](H2O)}n (2) (H2L =甲基-3-羟基-5-羧基-2-噻吩羧酸甲酯, dmpz = 3,5-二甲基吡唑, atr = 4-氨基-1,2,4-三氮唑)。通过X-射线单晶衍射、元素分析和红外光谱对其结构进行了表征。结构分析表明化合物1是一个一维链结构，通过分子间氢键扩展成一个三维超分子结构。化合物2是基于双核结构具有4-连结sql拓扑结构的二维结构，再通过分子间氢键扩展成一个三维超分子结构。化合物1和2显示出高的热稳定性和强的荧光发射，具有潜在的成为荧光材料的潜质。

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	李召好
	李振元
	陈云
	路远远
	赵邦屯

关键词 ： coordination polymer, methyl-3-hydroxy-5-carboxy-2-thiophenecarboxylate, 3,5-dimethylpyrazole, 4-amino-1,2,4-triazole, photoluminescent properties

Abstract：

Two N-donor ligands mediated Cd(II) coordination polymers, namely, [Cd(L)(dmpz)2]n (1) and {[Cd(L)(atr)0.5(H2O)](H2O)}n (2) (H2L = methyl-3-hydroxy-5-carboxy- 2-thiophenecarboxylate, dmpz = 3,5-dimethylpyrazole, and atr = 4-amino-1,2,4-triazole), have been produced. Their structures were characterized by single-crystal X-ray diffraction analysis, elemental analyses and infrared spectra. Compound 1 possesses a one-dimensional (1D) chain structure and is finally extended into a three-dimensional (3D) supramolecular architecture though hydrogen bonding interactions. Compound 2 features a two-dimensional (2D) network with 4-connected sql topology based on dinuclear Cd(II) clusters as nodes, which is also assembled into a 3D supramolecular architecture through hydrogen bonding interactions. Furthermore, compounds 1 and 2 exhibit high thermal stabilities and intense fluorescent emission in the solid, and can be explored as potential luminescent materials.

Key words： coordination polymer methyl-3-hydroxy-5-carboxy-2-thiophenecarboxylate 3,5-dimethylpyrazole 4-amino-1,2,4-triazole photoluminescent properties

收稿日期: 2017-09-05 出版日期: 2018-04-10

基金资助:

This work was supported by the National Natural Science of Foundation of China (No. 21671094)

通讯作者: lylizh@126.com E-mail: lylizh@126.com

引用本文:

李召好;李振元;陈云;路远远;赵邦屯. 辅助配体调控的甲基-3-羟基-5-羧基-2-噻吩羧酸甲酯类Cd(II)配位聚合物[J]. 结构化学, 2018, 37(4): 617-623.
LI Zhao-Hao; LI Zhen-Yuan;CHEN Yun;LU Yuan-Yuan;ZHAO Bang-Tun . Auxiliary Ligands Mediated One- and Two-dimensional Cd(II) Coordination Polymers Incorporating Methyl-3- hydroxy-5-carboxy-2-Thiophenecarboxylate Ligand. CHINESE JOURNAL OF STRUCTURAL CHEMISTRY, 2018, 37(4): 617-623.

链接本文:

http://manu30.magtech.com.cn/jghx/CN/ 或 http://manu30.magtech.com.cn/jghx/CN/Y2018/V37/I4/617

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