Unprecedented binodal (7,9)-connected network based on distinct tricobalt(II) clusters: structure, topology and cooperative magnetism

被引：29
作者：
Chen, Qing [2 ]
Xue, Wei [2 ]
Wang, Bao-Ying [2 ]
Zeng, Ming-Hua [1 ]
Chen, Xiao-Ming [2 ]
机构：
[1] Guangxi Normal Univ, Key Lab Chem & Mol Engn Med Resources, Minist Educ China, Sch Chem & Chem Engn, Guilin 541004, Peoples R China
[2] Sun Yat Sen Univ, MOE Key Lab Bioinorgan & Synthet Chem, State Key Lab Optoelect Mat & Technol, Sch Chem & Chem Engn, Guangzhou 510275, Guangdong, Peoples R China
来源：
CRYSTENGCOMM | 2012年 / 14卷 / 06期
关键词：
METAL-ORGANIC FRAMEWORKS; SINGLE-MOLECULE-MAGNET; BUILDING-BLOCKS; SLOW RELAXATION; DESIGN; CARBOXYLATE; TRINUCLEAR; OXYGEN;
D O I：
10.1039/c2ce06020e
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A new Co(II)-based coordination polymer, [{Co-3(ina)(7.5)(mu(3)-O)}{Co-3(ina)(2.5)(mu(3)-OH)(mu-OH) (C2H5OH)=(H2O)(2)}(3)]NO3 center dot 3C(2)H(5)OH center dot 24H(2)O (1, also denoted as MCF-39), has been synthesized from the solvothermal reaction of cobalt(II) nitrate and the ligand isonicotinic acid (Hina) with the presence of hmq (2-(hydroxymethyl)-quinolin-8-ol) as a necessary additive. The crystal structure of 1 consists of the 7- and 9-connected trinuclear clusters, and exhibits the first highly-connected binodal network with (3(4)center dot 4(9)center dot 5(6)center dot 6(2))(3)(3(6)center dot 4(15)center dot 5(15)) topology. Magnetic studies show that the spin canting and spin-glass-like behaviours were found in 1, and the cooperative effect among intra- and inter-trimer could greatly influence the bulk magnetic behaviour of the three-dimensional (3D) framework.
引用
收藏
页码：2009 / 2014
页数：6
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