Synthesis, structure, and magnetic properties of the oxalate-based bimetallic ferromagnetic chain {[K(18-crown-6)][Mn(H2O)2Cr(ox)3]}∞ (18-crown-6=C12H24O6, ox = C2O42-)

被引：57

作者：

Coronado, E ^{[1
]}

Galán-Mascarós, JR ^{[1
]}

Gómez-García, CJ ^{[1
]}

Martí-Gastaldo, C ^{[1
]}

机构：

[1] Univ Valencia, Inst Ciencia Mol, E-46100 Burjassot, Spain

来源：

INORGANIC CHEMISTRY | 2005年 / 44卷 / 18期

关键词：

D O I：

10.1021/ic050258w

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The salt [K(18-crown-6)][Mn(H2O)(2)Cr(ox)(3)](.)0.5(18-crown-6) (1) has been prepared and structurally and magnetically characterized. It crystallizes in the P2(1)/c space group [a = 21.011(2) angstrom, b = 11.265(2) angstrom, c = 15.748(3) angstrom, beta = 105.952(6)degrees, V = 3584(1) angstrom(3), and Z = 4] and contains [Mn(H2O)(2)Cr(ox)(3)](infinity) chains connected through hydrogen bonding to form 2D anionic networks. The magnetic exchange is ferromagnetic [J = + 2.23(2) cm(-1)] in the chain and also in between chains, reaching bulk ferromagnetic ordering below 3.5 K.

引用

页码：6197 / 6202

页数：6

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