Self- Assembly of a Mixed- Valent Co32 Ring

被引：13

作者：

Bai, Yue-Ling ^{[1
]}

Bao, Xiaoli ^{[1
]}

Zhu, Shourong ^{[1
]}

Fang, Jianhui ^{[1
]}

Shao, Min ^{[1
]}

Shi, Haiyan ^{[2
]}

机构：

[1] Shanghai Univ, Dept Chem, Coll Sci, Shanghai 200444, Peoples R China

[2] Xiamen Univ, Coll Chem & Chem Engn, State Key Lab Phys Chem Solid Surfaces, Xiamen 361005, Peoples R China

来源：

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2014年 / 2014卷 / 08期

基金：

中国国家自然科学基金;

关键词：

Cluster compounds; Cobalt; Mixed-valent compounds; Magnetic properties; Electrochemical properties; POROUS COORDINATION POLYMER; TRIPODAL FLEXIBLE LIGAND; SINGLE-MOLECULE MAGNETS; HIGH-SPIN MOLECULES; HIGH-NUCLEARITY; COBALT(II) CLUSTERS; CRYSTAL-STRUCTURES; GROUND-STATE; COMPLEX; FRAMEWORKS;

D O I：

10.1002/ejic.201301530

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Solvothermal reaction of CoCl2 center dot 6H(2)O with H(3)tci [H(3)tci = tris(2-carboxyethyl)isocyanurate] in H2O/CH3COCH3 in the presence of triethylamine gave rise to a mixed-valent thirty-two nuclear cobalt cluster, namely, [(Co16Co16III)-Co-II(mu(4)-O)(16)(tci)(16)(H2O)(12)]center dot 40H(2)O (1). Crystal structural analysis showed that four octanuclear [(Co4Co4III)-Co-II(mu(4)-O)(4)](12+) units were bridged by the carbonyl oxygen atoms of the tci(3-) ligands to give a Co-32 ring. Magnetic studies confirmed the paramagnetic nature of this cluster, and cyclic voltammetry showed an irreversible oxidation at 1.0 V versus saturated calomel electrode.

引用

页码：1275 / 1278

页数：4

共 27 条

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