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以混合氨基酸为配体的一系列新型高核3d-4f簇合物{Ln6Cu24}（Ln = Gd、Tb、Pr和Sm）的合成、结构及性质

Syntheses, structures, and properties of a series of novel high-nuclear 3d-4f clusters with mixed amino acids as ligands: {Ln6Cu24}(Ln = Gd, Tb, Pr and Sm).

作者信息

Shen Chao-Jun, Hu Sheng-Min, Sheng Tian-Lu, Xue Zhen-Zhen, Wu Xin-Tao

机构信息

State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, PR China.

出版信息

Dalton Trans. 2015 Apr 14;44(14):6510-5. doi: 10.1039/c4dt03847a.

DOI:10.1039/c4dt03847a
PMID:25756855
Abstract

The first examples of high-nuclear 3d-4f heterometallic clusters with mixed amino acid ligands are reported. Four 30-nuclear clusters {Ln6Cu24}(Ln = Gd, Tb, Pr and Sm) were obtained through the self-assembly of Ln(III), Cu(II) and mixed amino acid ligands of glycine (HGly) and β-alanine (HAla). The metal skeleton of clusters may be described as a huge {Ln6Cu12} octahedron connected with 12 additional Cu(II) ions. The temperature dependence of magnetic susceptibilities of compounds were also studied.

摘要

报道了首例具有混合氨基酸配体的高核3d-4f异金属簇合物。通过Ln(III)、Cu(II)与甘氨酸（HGly）和β-丙氨酸（HAla）的混合氨基酸配体自组装，得到了四个30核簇合物{Ln6Cu24}（Ln = Gd、Tb、Pr和Sm）。簇合物的金属骨架可描述为一个巨大的{Ln6Cu12}八面体与12个额外的Cu(II)离子相连。还研究了化合物磁化率的温度依赖性。

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