Highly symmetric 3D ferrimagnets, [Mn(dien)]3[M(CN)6]2•2H2O (M = Cr, Mn; dien = diethylenetriamine): Synthesis, structures and magnetic properties

被引：2

作者：

Kaneko, Wakako ^{[1
]}

Mishima, Akio ^{[2
]}

Ohba, Hisayoshi ^{[2
]}

Kitagawa, Susumu ^{[1
,3
]}

Ohba, Masaaki ^{[2
]}

机构：

[1] Kyoto Univ, Grad Sch Engn, Dept Synthet Chem & Biol Chem, Nishikyo Ku, Kyoto 6158510, Japan

[2] Kyushu Univ, Fac Sci, Dept Chem, Fukuoka 8128581, Japan

[3] Kyoto Univ, Inst Integrated Cell Mat Sci iCeMS, Sakyo Ku, Kyoto 6068501, Japan

来源：

POLYHEDRON | 2013年 / 64卷

关键词：

Coordination polymer; Ferrimagnet; Cyanide-bridge; CRYSTAL; FERROMAGNETISM; TRANSITION; BEHAVIOR; TRIAMINE;

D O I：

10.1016/j.poly.2013.03.006

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Cyanide-bridged (MnMIII)-M-II coordination polymers, [Mn(dien)](3)[M(CN)(6)](2)center dot 2H(2)O (M = Cr (1), Mn (2); dien = diethylenetriamine), have been prepared by using [M(CN)(6)](3-) building units and a tridentate dien as a coligand. Single crystal and powder X-ray diffraction results of 1 and 2 proposed that the compounds are isomorphous and form a highly symmetric 3D network based on M8Mn12 cubes consist of [Mn(dien)](2+) cations and mu(6)-, mu(4)-, and unbridged [M(CN)(6)](3-) anions. Both compounds exhibited a ferrimagnetic ordering at 63.4 K (1) and 24.8 K (2) with coercive field of similar to 0 G (1) and 1 kG (2). Their magnetic properties were compared with other cyanide-bridged (MnMIII)-M-II ferrimagnets and the differences were discussed based on the structure and the electric configuration. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：122 / 127

页数：6

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