Synthesis, Structures, and Magnetic Properties of Three Decanuclear Ln2Cu8 Clusters of Alkylsulfonate

被引：37
作者：
Zhang, Han [1 ,2 ]
Zhuang, Gui-Lin [3 ]
Kong, Xiang-Jian [1 ,2 ]
Ren, Yan-Ping [1 ,2 ]
Long, La-Sheng [1 ,2 ]
Huang, Rong-Bin [1 ,2 ]
Zheng, Lan-Sun [1 ,2 ]
机构：
[1] Xiamen Univ, Coll Chem & Chem Engn, State Key Lab Phys Chem Solid Surface, Xiamen 361005, Peoples R China
[2] Xiamen Univ, Coll Chem & Chem Engn, Dept Chem, Xiamen 361005, Peoples R China
[3] Zhejiang Univ Technol, Coll Chem Engn & Mat Sci, Hangzhou 310032, Zhejiang, Peoples R China
来源：
CRYSTAL GROWTH & DESIGN | 2013年 / 13卷 / 06期
关键词：
SINGLE-MOLECULE-MAGNET; 3D-4F CLUSTER; AMINO-ACID; BEHAVIOR; COMPLEXES; DY; LN; TETRANUCLEAR; RELAXATION; CUBANE;
D O I：
10.1021/cg400206s
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Three isomorphic decanuclear heterometallic 3d-4f Ln(2)Cu(8) clusters, formulated as [Ln(2)Cu(8)(mu(2)-OH)(2)(mu(3)-OH)(2)(ClO4)(2)(HTMHSA)(4)(H2O)(10)]center dot 15H(2)O (Ln = La (1, LA(2)Cu(8)); Ln = Gd (2, Gd2Cu8); Ln = Dy (3, Dy2Cu8), H(5)TMHSA = 3-[N-tris(hydroxymethyl)methylamino]-2-hydroxyprop-anesulfonic acid), were obtained through the reaction of H(5)TMHSA, Ln(ClO4)(3), and Cu(NO3)(2)center dot 3H(2)O. The present three Ln(2)Cu(8) compounds are rare examples of alkylsulfonate-based plynuclear 3d-4f clusters. Magnetic studies indicate that the cluster La2Cu8 exhibits antiferromagentic behavior, Gd2Cu8 displays ferromagnetic behavior and a large magnetocaloric effect at low temperature, while Dy2Cu8 shows slow magnetic relaxation.
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页码：2493 / 2498
页数：6
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