Synthesis, structure, and magnetic properties of [(S)-[PhCH(CH3)N(CH3)3]][Mn(CH3CN)2/3Cr(OX)3]•(CH3CN)_(solvate), a 2D chiral magnet containing a quaternary ammonium chiral cation

被引：56
作者：
Clemente-Leon, Miguel [1 ]
Coronado, Eugenio [1 ]
Dias, Joao C. [1 ]
Soriano-Portillo, Alejandra [1 ]
Willett, Roger D. [2 ]
机构：
[1] Univ Valencia, Inst Ciencia Mol, Paterna 46980, Spain
[2] Washington State Univ, Dept Chem, Pullman, WA 99164 USA
来源：
INORGANIC CHEMISTRY | 2008年 / 47卷 / 14期
关键词：
D O I：
10.1021/ic800597w
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The synthesis, structure, and magnetic properties of a novel oxalate-based bimetallic magnet obtained by using the chiral (S)-trimethyl-(1-phenyl-ethyl)-ammonium, ((S)-[PhCH(CH3)N(CH3)(3)](+)), cation as template is reported. This compound can be formulated as [(S)-[PhCH(CH3)N(CH3)(3)]][Mn(CH3CN)(2/3)Cr(ox)(3)]center dot(CH3CN)_(solvate), and it crystallizes in the chiral trigonal space group P3. It shows a distorted two-dimensional honeycomb structure formed by Mn-II and Cr-III ions connected through oxalate anions with [(S)-[PhCH(CH3)N(CH3)(3)](+) cations and solvent molecules intercalated between the oxalate layers. Two-thirds of the Mn-II ions of the honeycomb anionic network are heptacoordinated. This compound behaves as a soft ferromagnet with an ordering temperature of 5.6 K.
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收藏
页码：6458 / 6463
页数：6
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