New Synthetic Route toward Heterometallic 3d-3d′ and 3d-4f Single-Molecule Magnets. The First CoII-MnIII Heterometallic Complex

被引：33

作者：

Guedes, Guilherme P. ^{[1
,2
]}

Soriano, Stephane ^{[3
]}

Mercante, Luiza A. ^{[1
]}

Speziali, Nivaldo L. ^{[4
]}

Novak, Miguel A. ^{[5
]}

Andruh, Marius ^{[6
]}

Vaz, Maria G. F. ^{[1
]}

机构：

[1] Univ Fed Fluminense, Inst Quim, BR-24020150 Niteroi, RJ, Brazil

[2] Univ Fed Rural Rio de Janeiro, Dept Quim, Inst Ciencias Exatas, BR-23870000 Seropedica, RJ, Brazil

[3] Univ Fed Fluminense, Inst Fis, BR-24210346 Niteroi, RJ, Brazil

[4] Univ Fed Minas Gerais, Dept Fis, Inst Ciencias Exatas, BR-31270901 Belo Horizonte, MG, Brazil

[5] Univ Fed Rio de Janeiro, Inst Fis, BR-21941972 Rio De Janeiro, RJ, Brazil

[6] Univ Bucharest, Inorgan Chem Lab, Fac Chem, Bucharest 020464, Romania

来源：

INORGANIC CHEMISTRY | 2013年 / 52卷 / 15期

关键词：

ANISOTROPY; CRYSTAL;

D O I：

10.1021/ic401479d

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Four tetranuclear heterometallic complexes, [(Co2Mn2III)-Mn-II(dpm)(4)(MeO)(6)] (1) and [Ln(2)(III)Mn(2)(III)(dPm)(6)(MeO)(6)(MeOH)(n)], where Ln = Gd (2, n = 2), Tb (3, n = 2), and Dy (4, n = 0), have been obtained following the same general synthetic route, namely, the one-pot reaction between 2,2,6,6-tetrametil-3,5-heptanodione (Hdpm), MnCl2 and CoCl2 or Ln(NO3)(3) in the presence of sodium methoxide. Within the four compounds, the metal ions bridged by methoxide ligands display a defect-diheterocubane core. Compounds 1, 3, and 4 show slow relaxation of the magnetization below 4 K.

引用

页码：8309 / 8311

页数：3

共 38 条

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