Synthesis and magnetic properties of polymeric complexes containing ruthenium(II)-ruthenium(III) tetracarboxylato units linked by cyanato, thiocyanato, and selenocyanato ligands

被引：13

作者：

Handa, Makoto ^{[1
]}

Ishida, Hideaki ^{[2
,3
]}

Ito, Kayoko ^{[1
]}

Adachi, Toshihiro ^{[1
]}

Ikeue, Takahisa ^{[1
]}

Hiromitsu, Ichiro ^{[1
]}

Mikuriya, Masahiro ^{[2
,3
]}

Kasuga, Kuninobu ^{[1
]}

机构：

[1] Shimane Univ, Interdisciplinary Fac Sci & Engn, Dept Mat Sci, Matsue, Shimane 6908504, Japan

[2] Kwansei Gakuin Univ, Sch Sci & Technol, Dept Chem, Sanda 6691337, Japan

[3] Kwansei Gakuin Univ, Sch Sci & Technol, Open Res Ctr Coordinat Mol Based Devices, Sanda 6691337, Japan

来源：

CHEMICAL PAPERS | 2008年 / 62卷 / 04期

关键词：

polymeric complexes; ruthenium(II)-ruthenium(III); tetracarboxylate; alkyl chains; cyanate; magnetic properties;

D O I：

10.2478/s11696-008-0049-4

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Polymeric complexes of ruthenium(II)-ruthenium(III) tetracarboxylato units linked by cyanato, thiocyanato, and selenocyanato ligands [Ru-2{O2C(CH2)(m)CH3}(4)(L)] (n) (m = 0, 4-7; L = OCN-, SCN-, and SeCN-) were prepared and characterized based on the elemental analyses, IR, and diffuse reflectance spectra. Magnetic susceptibilities were measured at the temperature range of 4.5 K to 300 K, where the interdimer antiferromagnetic interactions were revealed. The strongest interaction was exhibited in case of m = 7 and L = OCN-. H-1-NMR spectra of [Ru{O2C(CH2)(7)CH3}(4)(SCN)] (n) in CD2Cl2 showed broad signals which can be ascribed to polymeric species, as the addition of tetrabutylammonium thiocyanate caused sharper signals due to the formation of [Ru-2{O2C(CH2)(7)CH3}(4)(SCN)(2)](-) adduct as the main species in the solution. (C) 2008 Institute of Chemistry, Slovak Academy of Sciences.

引用

页码：410 / 416

页数：7

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