Self-assembly and characterization of cyano-bridged bimetallic [Ln-Fe] and [Ln-Co] complexes (Ln = La, Pr, Nd and Sm).: Nature of the magnetic interactions between the Ln3+ and Fe3+ ions

被引：40

作者：

Chen, Wen-Tong

Guo, Guo-Cong ^{[1
]}

Wang, Ming-Sheng

Xu, Gang

Cai, Li-Zhen

Akitsu, Takashiro

Akita-Tanaka, Motoko

Matsushita, Akiyuki

Huang, Jin-Shun

机构：

[1] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fujian 350002, Peoples R China

[2] Keio Univ, Dept Chem, Fac Sci & Technol, Kohoku Ku, Kanagawa 2238522, Japan

[3] Inst Mol Sci, Okazaki, Aichi 4448585, Japan

[4] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan

来源：

INORGANIC CHEMISTRY | 2007年 / 46卷 / 06期

关键词：

D O I：

10.1021/ic061609p

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Two structural series, including seven isomorphous heterodinuclear complexes, [Ln(DMSO)(4)(H2O)(3)(mu-CN)M(CN)(5)]center dot H2O ([La-Fe] (1), [Pr-Fe] (2), [Pr-Co] (3), [Nd-Fe] (4), [Nd-Co] (5), [Sm-Fe] (6) and [Sm-Co] (7)), and seven isostructural 2-D stairlike cyano-bridged bimetallic assemblies, [Ln(DMSO)(2)(H2O)(mu-CN)(4)M(CN)(2)](n) ([La-Fe](n) (8), [Pr-Fe](n) (9), [Pr-Co](n) (10), [Nd-Fe](n) (11), [Nd-Co](n) (12), [Sm-Fe](n) (13) and [Sm-Co](n) (14)) (DMSO = dimethylsulfoxide), have been rationally prepared by a facile approach, a ball-milling method, and characterized by X-ray diffraction and magnetic measurements. The isomorphous structures, in conjunction with the diamagnetism of the Co3+ and La3+ ions, allow an approximation to the nature of coupling between the iron(III) and lanthanide(III) ions in the Ln(3+)-Fe3+ complexes. The Ln(3+)-Fe3+ interaction is ferromagnetic for the dinuclear [Pr-Fe] (2), [Nd-Fe] (4), and [Sm-Fe] (6) systems and for the 2-D [Pr-Fe](n) (9), [Nd-Fe](n) (11), and [Sm-Fe](n) (13) assemblies.

引用

页码：2105 / 2114

页数：10

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