由2-(对溴)苯基-4,5-咪唑二羧酸构筑的镍(Ⅱ)配位聚合物的合成、结构及性质研究

引用本文: 贾洪亮, 侯立芬, 张宇, 袁鹏飞, 李纲. 由2-(对溴)苯基-4,5-咪唑二羧酸构筑的镍(Ⅱ)配位聚合物的合成、结构及性质研究[J]. 无机化学学报, 2013, 29(9): 1897-1902. doi: 10.3969/j.issn.1001-4861.2013.00.285 shu

Citation: JIA Hong-Liang, HOU Li-Fen, ZHANG Yu, YUAN Peng-Fei, LI Gang. Synthesis, Structure and Properties of a 2-(p-Bromophenyl)-Imidazole Dicarboxylate-Based Ni(Ⅱ) Coordination Polymer[J]. Chinese Journal of Inorganic Chemistry, 2013, 29(9): 1897-1902. doi: 10.3969/j.issn.1001-4861.2013.00.285 shu

由2-(对溴)苯基-4,5-咪唑二羧酸构筑的镍(Ⅱ)配位聚合物的合成、结构及性质研究

贾洪亮 ^2, ,
侯立芬 ^1, ,
张宇 ^1, ,
袁鹏飞 ^1, ,
李纲 ^1,

基金项目:
国家自然科学基金(No.21071127) (No.21071127)

教育部新世纪优秀人才项目(No.NCET-10-0139)资助项目。 (No.NCET-10-0139)

摘要: 本文首先合成了多功能有机桥联配体:2-(对溴)苯基-4,5-咪唑二羧酸(p-BrPhH₃IDC),使之与Ni(Ⅱ)在溶剂热条件下自组装,得到了一个二维配位聚合物{[Ni(p-BrPhH₂IDC)₂]·2H₂O}_n (1)。采用红外光谱、元素分析以及X-ray单晶衍射表征了这个配合物的分子结构。结果表明:H₃BrPhIDC配体表现出比较强的配位能力,这和通过量子化学计算给出的预测一致。研究了此配聚物在空气气氛下的热稳定性以及采用变温磁化率研究了在2.0~300 K范围内的磁性质。结果表明:在配合物1中,相邻镍离子间存在着弱的反铁磁偶合作用。

关键词:

配位聚合物;咪唑二羧酸;合成;晶体结构;磁性质

English

Synthesis, Structure and Properties of a 2-(p-Bromophenyl)-Imidazole Dicarboxylate-Based Ni(Ⅱ) Coordination Polymer

1.
1 College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou 450001, China;
Received Date: 17 December 2012
Fund Project:
国家自然科学基金(No.21071127)

教育部新世纪优秀人才项目(No.NCET-10-0139)资助项目。

Abstract: By the reaction of 2-(p-bromophenyl)-1H-imidazole-4,5-dicarboxylic acid (p-BrPhH₃IDC) with Ni(Ⅱ) ion, one coordination polymer, namely,[Ni(p-BrPhH₂IDC)₂]·2H₂O}_n (1) has been synthesized under solvothermal condition. Its molecular structure has been characterized by single-crystal X-ray diffraction, elemental analysis and IR spectrum. The results reveal that it is a two-dimensional polymer, and the ligand p-BrPhH₃IDC shows strong coordination ability. Furthermore, the existence of intermolecular hydrogen bonds and π…π stacking interactions between the aromatic groups supplies the additional stabilization for the solid-state supramolecular structure of polymer 1. The thermal properties of 1 and its magnetic behaviors have been studied in the temperature range of 2.0~300 K. Magnetic measurement shows that the antiferromagnetic coupling between the Ni(Ⅱ) ions in complex 1 can be observed. CCDC: 913845.

Key words:

coordination polymer;imidazole dicarboxylate;synthesis;crystal structure;magnetic property

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

由2-(对溴)苯基-4,5-咪唑二羧酸构筑的镍(Ⅱ)配位聚合物的合成、结构及性质研究

English

Synthesis, Structure and Properties of a 2-(p-Bromophenyl)-Imidazole Dicarboxylate-Based Ni(Ⅱ) Coordination Polymer

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

由2-(对溴)苯基-4,5-咪唑二羧酸构筑的镍(Ⅱ)配位聚合物的合成、结构及性质研究

English

Synthesis, Structure and Properties of a 2-(p-Bromophenyl)-Imidazole Dicarboxylate-Based Ni(Ⅱ) Coordination Polymer

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

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CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

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CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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