刘强, 刘宇奇, 蒙斌芳, 王新颖, 李玮. 基于1,4-双(咪唑-1-基)丁烷配位的三种三维金属配合物的合成、结构和磁性研究[J]. 云南大学学报(自然科学版), 2019, 41(3): 557-564. doi: 10.7540/j.ynu.20180456
引用本文: 刘强, 刘宇奇, 蒙斌芳, 王新颖, 李玮. 基于1,4-双(咪唑-1-基)丁烷配位的三种三维金属配合物的合成、结构和磁性研究[J]. 云南大学学报(自然科学版), 2019, 41(3): 557-564. doi: 10.7540/j.ynu.20180456
LIU Qiang, LIU Yu-qi, MENG Bin-fang, WANG Xin-ying, LI Wei. Synthesis, crystal structure and magnetic property of three 3D complexes based on 1,1′-(1,4-butanediyl)bis(imidazole)[J]. Journal of Yunnan University: Natural Sciences Edition, 2019, 41(3): 557-564. DOI: 10.7540/j.ynu.20180456
Citation: LIU Qiang, LIU Yu-qi, MENG Bin-fang, WANG Xin-ying, LI Wei. Synthesis, crystal structure and magnetic property of three 3D complexes based on 1,1′-(1,4-butanediyl)bis(imidazole)[J]. Journal of Yunnan University: Natural Sciences Edition, 2019, 41(3): 557-564. DOI: 10.7540/j.ynu.20180456

基于1,4-双(咪唑-1-基)丁烷配位的三种三维金属配合物的合成、结构和磁性研究

Synthesis, crystal structure and magnetic property of three 3D complexes based on 1,1′-(1,4-butanediyl)bis(imidazole)

  • 摘要: 利用水热法合成3种金属有机功能配合物Co(NCS)2(BBI)2n(1), Ni(NCS)2(BBI)2n(2), Mn(NCS)2(BBI)2n(3)(BBI=1, 4-双(咪唑-1-基)丁烷),通过X射线单晶衍射、X射线粉末衍射、元素分析和红外光谱对其进行表征. 结果表明:文中3种配合物均为六配位八面体构型. 过渡金属均与配体的N原子配位,BBI有机配体将前后、左右、上下方向上的Co2+连接起来,拓展成一个三维网状结构. 此外,对配合物的磁学性质研究发现:3种配合物在特定的温度范围内均符合居里−外斯定律,其中配合物1表现为弱的反铁磁性,配合物2和3表现为弱的顺铁磁性.

     

    Abstract: Three metal-organic frameworks Co(NCS)2(BBI)2n(1), Ni(NCS)2(BBI)2n(2), Mn(NCS)2(BBI)2n(3) have been hydrothermally synthesized. The structures were characterized by techniques of single-crystal X-ray diffraction analysis, powder X-ray diffraction, elemental analysis, infrared spectra, revealing that the three complexes in this article are hexacoordinated octahedral molecular geometry. The transition metal forms a coordination bond with the N atoms of all ligands, and the BBI organic ligand connects Co2+ in the front, back, left and upper directions, forming a three-dimensional network structure. In addition, magnetic studies show that the three complexes obey Curie-Weiss law in a specific temperature range, in which the complex 1 shows weak antiferromagnetism and the complexes 2, 3 show weak cis Ferromagnetic.

     

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