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.

引用

页码：11057 / 11061

页数：5

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