Synthesis, Crystal Structure, Magnetic Properties of a Manganese(II) Coordination Polymer with Double-Helix Chains

被引：2
|
作者：
Gu, Jin-Zhong [1 ,2 ]
Gao, Zhu-Qing [3 ]
Lv, Dong-Yu [1 ,2 ]
Dou, Wei [1 ,2 ]
机构：
[1] Lanzhou Univ, Key Lab Nonferrous Met Chem & Resources Utilizat, Lanzhou 730000, Peoples R China
[2] Lanzhou Univ, Coll Chem & Chem Engn, Lanzhou 730000, Peoples R China
[3] Taiyuan Univ Sci & Technol, Sch Chem & Biol Engn, Taiyuan 030021, Peoples R China
来源：
JOURNAL OF CHEMICAL CRYSTALLOGRAPHY | 2012年 / 42卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Manganese (III) coordination polymer; 5-(4 '-Pyridyl)-3-methyl-benzoic acid; Double helical chains; Magnetic property; CRYSTALLIZATION; CATALYSIS; COMPLEX;
D O I：
10.1007/s10870-011-0225-1
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
A new heterocyclic carboxylate ligand, 5-(4'-pyridyl)-3-methyl-benzoic acid (Hpmba), was synthesized to construct a Mn(II) coordination polymer, namely [Mn(pmba)(2)](n) (1). Complex 1 crystallizes in monoclinic space group C2/c, with a = 17.44(2), b = 17.040(12), c = 8.680(15) angstrom, beta = 111.258(13), V = 2404(5) angstrom(3), and Z = 4. Single-crystal X-ray diffraction studies show that complex 1 has a 3D metal-organic supramolecular framework consisting of double helical chains. Magnetic studies for complex 1 show antiferromagnetic coupling between the nearest Mn( II) ions, with g = 2.11 and J = -10.1 cm(-1).
引用
收藏
页码：205 / 209
页数：5
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