混合配体支撑的三维七核镧系框架的磁性
Magnetic Properties of 3D Heptanuclear Lanthanide Frameworks Supported by Mixed Ligands.
作者信息
Hu Fa-Lu, Jiang Fei-Long, Zheng Jun, Wu Ming-Yan, Pang Jian-Dong, Hong Mao-Chun
机构信息
†Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China.
‡University of Chinese Academy of Sciences, Beijing 100049, China.
出版信息
Inorg Chem. 2015 Jul 6;54(13):6081-3. doi: 10.1021/acs.inorgchem.5b00917. Epub 2015 Jun 22.
Two 3D lanthanide frameworks, [Ln7(DPA)5(NA)3(μ3-OH)8(H2O)3]·2.5H2O [H2DPA = diphenic acid; HNA = nicotinic acid; Ln = Gd (1), Dy (2)], were synthesized and structurally characterized. They were rarely seen examples of 3D frameworks constructed from heptanuclear trigonal-antiprismatic lanthanide clusters with mixed H2DPA and HNA ligands. Both 1 and 2 show typical antiferromagnetic interactions. Additionally, complex 1 possesses a large magnetocaloric effect of 34.15 J kg(-1) K(-1).
合成并表征了两种三维镧系框架化合物[Ln7(DPA)5(NA)3(μ3 - OH)8(H2O)3]·2.5H2O [H2DPA = 联苯二甲酸；HNA = 烟酸；Ln = Gd (1)，Dy (2)]。它们是由七核三角反棱柱形镧系簇与混合的H2DPA和HNA配体构建的三维框架的罕见实例。1和2都表现出典型的反铁磁相互作用。此外，配合物1具有34.15 J kg(-1) K(-1)的大磁热效应。
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