Multifunctional Magnetic Materials Obtained by Insertion of Spin-Crossover FeIII Complexes into Chiral 3D Bimetallic Oxalate-Based Ferromagnets

被引：47

作者：

Clemente-Leon, Miguel ^{[1
]}

Coronado, Eugenio ^{[1
]}

Lopez-Jorda, Maurici ^{[1
]}

Waerenborgh, Joao C. ^{[2
]}

机构：

[1] Univ Valencia, Inst Ciencia Mol, Paterna 46980, Spain

[2] ITN CFMC UL, Dept Quim, P-2686953 Sacavem, Portugal

来源：

INORGANIC CHEMISTRY | 2011年 / 50卷 / 18期

关键词：

MOLECULE-BASED MAGNETS; X-RAY; LINKAGE ISOMERISM; MIXED-VALENCY; OX; MN; CO; CATIONS; SERIES; ZN;

D O I：

10.1021/ic201293f

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The syntheses, structures, and magnetic properties of compounds of formula [Fe-III(5-Clsal(2)-trien)][(MnCrIII)-Cr-II(ox)(3)] center dot 0.5(CH3NO2) (1), [Fe-III(5-Brsal(2)-trien)][(MnCrIII)-Cr-II(ox)(3)] (2), and [In-III(5-Clsal(2)-trien)][(MnCrIII)-Cr-II(ox)(3)] (3) are reported. The structure of the three compounds, which crystallize in the orthorhombic P2(1)2(1)2(1) chiral space group, presents a 3D chiral anionic network formed by Mn-II and Cr-III ions linked through oxalate ligands with inserted [Fe-III(5-Clsal(2)-trien)](+), [Fe-III(5-Brsal(2)-trien)](+), and [In-III(5-Clsal(2)-trien)](+) cations. The magnetic properties indicate that the three compounds undergo long-range ferromagnetic ordering at ca. 5 K. On the other hand, the inserted Fe-III cations undergo a partial spin crossover in the case of 1 and 2.

引用

页码：9122 / 9130

页数：9

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