Structure and Magnetic Properties of a Manganese Complex with 1-Carboxymethylpyridinium-3-carboxylate

被引：0
|
作者：
Wang Yan-Qin [1 ]
Liu Zhi-Liang [1 ]
Gao En-Qing [2 ]
机构：
[1] Inner Mongolia Univ, Coll Chem & Chem Engn, Hohhot 010021, Peoples R China
[2] E China Normal Univ, Dept Chem, Shanghai Key Lab Green Chem & Chem Proc, Shanghai 200062, Peoples R China
来源：
CHINESE JOURNAL OF STRUCTURAL CHEMISTRY | 2013年 / 32卷 / 12期
关键词：
zwitterionic ligand; manganese complex; structure; mixed bridges; magnetic properties; COORDINATION POLYMERS; METAMAGNETIC BEHAVIOR; MIXED AZIDE; CARBOXYLATE; CLUSTERS; BRIDGES; LIGANDS; COMPOUND; SYSTEMS; MN(II);
D O I：
暂无
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
One complex with a,zwitterionic dicarboxylate ligand, [Mn(L)(N-3)](n) 1 (L = 1-carboxymethylpyridinium-3-carboxylate), was synthesized and structurally characterized. Complex 1 crystallizes in triclinic, space group P (1) over bar with a = 7.570(2), b = 7.808(2), c = 9.232(3) angstrom, 8 = 94.450(19)degrees, V = 489.0(3) angstrom(3), Z= 2, M-r = 277.11, D-c = 1.882 g/cm(3), F(000) = 278,,mu = 1.359 mm(-1), S = 1.021, the final R = 0.0509 and wR = 0.1149 for 2236 observed reflections with I > 2 sigma(I). Complex 1 consists of two-dimensional coordination layers in which the anionic uniform chains with mixed triple bridges (one end-on (EO) azide and two syn-syn carboxylates) are cross-linked by the flexible cationic N-methylpyridinium spacers. Magnetic studies demonstrated that the triple bridge in 1 transmits antiferromagnetic coupling between the Mn(II) ions.
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收藏
页码：1761 / 1766
页数：6
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