A Pentanuclear Cobalt Complex with two [CoII(CH3O)3]- Units Wrapping a Triangular [CoIII3O]7+ Core: Synthesis, Structure, and Magnetic Properties

被引：2
|
作者：
Yang, Hua [1 ]
Li, Ruiling [1 ]
Li, Dacheng [1 ]
Zeng, Suyuan [1 ]
Dou, Jianmin [1 ]
机构：
[1] Liaocheng Univ, Sch Chem & Chem Engn, Shandong Prov Key Lab Chem Energy Storage & Novel, Liaocheng 252000, Peoples R China
来源：
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 2018年 / 644卷 / 12-13期
基金：
中国国家自然科学基金;
关键词：
Phenyl 2-pyridyl ketone oxime; Mixed-valence cobalt; Synthesis; Structure elucidation; Magnetic properties; SINGLE-MOLECULE MAGNET; CRYSTAL-STRUCTURE; CARBOXYLATE CHEMISTRY; SLOW-RELAXATION; ION-MAGNET; CLUSTER; FIELD; METALLACROWNS; BEHAVIOR;
D O I：
10.1002/zaac.201800138
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The reaction of Hppko (Hppko = phenyl 2-pyridyl ketone oxime) and CoCl(2)6H(2)O in the CH3OH solvent with the presence of triethylamine (NEt3) at room temperature and the exposure to air resulted in the formation of a new pentanuclear, mixed-valence cobalt complex with the molecular formula [{Co-II(CH3O)(3)}(2){Co-3(III)((3)-O)(ppko)(3)}Cl-2]. X-ray single crystal analysis displays a trigonal bipyramid configuration with the terminal two Co-II ions wrapping an triangle [(Co3O)-O-III](7+) core. The intermolecular C-HO and C-HCl interactions form a 2D network framework. The analysis of magnetic susceptibility revealed the dominant antiferromagnetic interactions and strong orbital contribution of Co-II ions.
引用
收藏
页码：585 / 589
页数：5
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