Synthesis, crystal structures and magnetic properties of Pyrazole-Carboxylic acid complexes

Xiuqing Zhang, Chichi Zhou, Qing Wen, Jia-Le Chen, Jianfei Song, Hanfu Liu
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引用次数: 0

Abstract

Three new complexes, {[Ni2(3-PCA)2(DMAP)4(H2O)2]·2H2O}2, [Cu2(3-PCA)2(4-PP)2·2H2O]n, and [Cu2(4-PCA)2(2,2′-bpy)2·2H2O]n, are synthesized by the solvothermal method with pyrazole-3-carboxylic acid or pyrazole-4-carboxylic acid as the main ligands and 2,2′-bipyridine, 4-dimethylaminopyridine, or 4-phenylpyridine as auxiliary ligands. The crystal structures of the three complexes are determined by single-crystal X-ray diffraction, powder X-ray diffraction, thermogravimetric analysis, and Fourier transform infrared analysis. The magnetic detection proves that the three complexes are all antiferromagnetic.
吡唑-羧酸配合物的合成、晶体结构和磁性能
以吡唑-3-羧酸或吡唑-4-羧酸为主配体,以2,2 ' -联吡啶、4-二甲氨基吡啶、4-苯基吡啶为辅助配体,采用溶剂热法合成了三个新的配合物{[Ni2(3-PCA)2(DMAP)4(H2O)2]·2H2O}2、[Cu2(3-PCA)2(4- pp)2·2H2O]n和[Cu2(4- pca)2(2,2 ' -bpy)2·2H2O]n。通过单晶x射线衍射、粉末x射线衍射、热重分析和傅里叶变换红外分析确定了这三种配合物的晶体结构。磁检测证明这三种配合物都是反铁磁性的。
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来源期刊
Journal of Chemical Research-s
Journal of Chemical Research-s 化学科学, 有机化学, 有机合成
自引率
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0
审稿时长
1 months
期刊介绍: The Journal of Chemical Research is a peer reviewed journal that publishes full-length review and research papers in all branches of experimental chemistry. The journal fills a niche by also publishing short papers, a format which favours particular types of work, e.g. the scope of new reagents or methodology, and the elucidation of the structure of novel compounds. Though welcome, short papers should not result in fragmentation of publication, they should describe a completed piece of work. The Journal is not intended as a vehicle for preliminary publications. The work must meet all the normal criteria for acceptance as regards scientific standards. Papers that contain extensive biological results or material relating to other areas of science may be diverted to more appropriate specialist journals. Areas of coverage include: Organic Chemistry; Inorganic Chemistry; Materials Chemistry; Crystallography; Computational Chemistry.
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