Single-Ion Magnets Based on Mononuclear Cobalt(II) Complexes with Sulfadiazine

被引：36

作者：

Villa-Perez, Cristian ^{[1
]}

Oyarzabal, Itziar ^{[2
]}

Echeverria, Gustavo A. ^{[3
]}

Valencia-Uribe, Gloria C. ^{[4
]}

Seco, Jose M. ^{[2
]}

Soria, Delia B. ^{[1
]}

机构：

[1] Univ Nacl La Plata, CEQUINOR, CONICET, CCT La Plata,Dept Quim,Fac Ciencias Exactas, RA-1900 La Plata, Buenos Aires, Argentina

[2] Univ Basque Country, Dept Quim Aplicada, Fac Quim, Paseo Manuel de Lardizabal 3, Donostia San Sebastian 20018, Spain

[3] Univ Nacl La Plata, IFLP, CONICET, CCT La Plata,Dept Fis,Fac Ciencias Exactas, RA-1900 La Plata, Buenos Aires, Argentina

[4] Univ Nacl Colombia Sede Medellin, Fac Ciencias, Dept Quim, GIAFOT, Calle 59 A,63-020, Medellin, Colombia

来源：

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2016年 / 29期

关键词：

Sulfadiazine; N ligands; Magnetic properties; Cobalt; X-ray diffraction; HIGH-ENERGY BARRIER; MOLECULE MAGNET; ZERO-FIELD; THEORETICAL CHARACTERIZATION; CRYSTAL-STRUCTURE; METAL-COMPLEXES; RELAXATION; ANISOTROPY; BEHAVIOR; COPPER(II);

D O I：

10.1002/ejic.201600777

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The already reported monomeric complex Co(SDZ)(2)bpy (1) and the new ternary complex Co(SDZ)(2)(6MQ)(2) (2) (SDZ = sulfadiazine, bpy = 2,2'-bipyridine, and 6MQ = 6-methoxyquinoline) have been synthesized in order to study their magnetic properties. X-ray diffraction studies indicate that in both compounds the SDZ acts as a bidentate ligand coordinating through the sulfonamide and the pyrimidine N atoms giving rise to a CoN6 coordination sphere. The complexes have been characterized based on elemental analyses, FTIR, UV/Vis spectroscopy, and thermogravimetric analysis (TGA, only for 2). Compounds 1 and 2 have been characterized magnetically, and they show slow relaxation of the magnetization below 9 and 6 K, respectively.

引用

页码：4835 / 4841

页数：7

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