Structures and Magnetic Properties of Ferromagnetic Coupling 2D Ln-M Heterometallic Coordination Polymers (Ln = Ho, Er; M = Mn, Zn)

被引：63
作者：
Gao, Hong-Ling [1 ]
Zhao, Bin [1 ,2 ,3 ]
Zhao, Xiao-Oing [1 ]
Song, You [2 ,3 ]
Cheng, Peng [1 ]
Liao, Dai-Zheng [1 ]
Yan, Shi-Ping [1 ]
机构：
[1] Nankai Univ, Dept Chem, Tianjin 300071, Peoples R China
[2] Nanjing Univ, Inst Coordinat Chem, Nanjing 210093, Peoples R China
[3] Nanjing Univ, State Key Lab Coordinat Chem, Nanjing 210093, Peoples R China
来源：
INORGANIC CHEMISTRY | 2008年 / 47卷 / 23期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1021/ic801332a
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Four new heterometallic coordination polymers have been successfully synthesized, namely, {[Ho-2(HCAM)(6) Mn-3(H2O)(12)]center dot 17.5H(2)O}(n) (1), {[Er-2(HCAM)(6)Mn-3(H2O)(12)]center dot 17.5H(2)O}(n) (2), {[Ho-2(HCAM)(6)Zn-3(H2O)(12)]center dot 26H(2)O}n (3), and {[Er-2(HCAM)(6)Zn-3(H2O)(12)]center dot 26H(2)O}(n) (4) (H(3)CAM = chelidamic acid). X-ray crystallographic studies reveal that coordination polymers 1-4 are isostructural and crystallized in the rhombohedral crystal system, space group R. These compounds comprise a 2D honeycomb-type framework. A 2D water sheet is first found in 3 and 4, which exhibits a novel topological motif. The magnetic results for 1-4 show that ferromagnetic interactions take place between the Ho3+/Er3+ and Mn2+ ions within 1 and 2.
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页码：11057 / 11061
页数：5
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