An unprecedented twelve-connected 3D metal-organic framework based on heptanuclear cobalt cluster building blocks

被引：5
|
作者：
Liang, Li-Li [1 ,2 ]
Xu, Lei [1 ]
Xue, Yan-Chun [2 ]
Chen, Fei-Jian [2 ]
Du, Hong-Bin [1 ]
机构：
[1] Nanjing Univ, State Key Lab Coordinat Chem, Sch Chem & Chem Engn, Nanjing 210093, Jiangsu, Peoples R China
[2] Bengbu Med Coll, Dept Chem, Bengbu 233030, Peoples R China
来源：
INORGANIC CHEMISTRY COMMUNICATIONS | 2015年 / 62卷
基金：
中国国家自然科学基金;
关键词：
Metal-organic framework; Heptacobalt cluster; Tetrakis[4-(carboxyphenyl)oxamethyl]methane acid; (4,12)-connected topology; COMPLEXES;
D O I：
10.1016/j.inoche.2015.10.034
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Solvothermal reaction of flexible tetrapodal linker tetrakis[4-(carboxyphenyl) oxamethyl]methane acid (H4L) with cobalt salt yields a new metal-organic framework [Co-7(L)(3)(mu(3)-O)(3)(DMF)(3)]center dot(DMF)(13)(H2O)(25). X-ray crystallography reveals that the structure exhibits a unique 2-nodal (4,12)-connected topology with the Schlafli symbol of (4(33).6(30).8(3))(4(6))(3), constructed from heptanuclear cobalt clusters as 12-connected nodes and tetrahedral ligands as 4-connected nodes. Temperature-dependent magnetic susceptibility measurements reveal that the heptanuclear cobalt clusters exhibit antiferromagnetic property. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：98 / 102
页数：5
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