期刊
CRYSTAL GROWTH & DESIGN
卷 10, 期 10, 页码 4590-4595出版社
AMER CHEMICAL SOC
DOI: 10.1021/cg100885e
关键词
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资金
- Zhejiang Provincial Natural Science Foundation of China [R406209]
- Chinese Universities Scientific Fund [2010QNA3013]
- Doctoral Program of Higher Education of China [20090101110017]
A new flexible bowl-shaped zwitterionic complex, 1,1',1 ''-(2,4,6-trimethylbenzene-1,3,5-triyl)tris(methylene)tris(4-carboxypyridinium) tribromide (H3LBr3) was designed and synthesized, which was subsequently used as an efficient ligand to construct four interesting coordination polymers of [Cu2Cl2L2(H2O)(2)]center dot Cl center dot Br center dot 4H(2)O (1), [ZnLBr]center dot NO3 center dot H2O (2), [Cd2L2Br2]center dot 2NO(3)center dot 4H(2)O (3), and [Cd2L2(Inic)(H2O)(4)(MeOH)(2)center dot Br center dot 2NO(3)center dot 3H(2)O (Inic = isonicotinlate, 4) by reaction of L ligand with corresponding metal salts or in the presence of isonicotinic acid. In these coordination polymers, L ligands link up metal nodes to form distinct linear networks. Two bowl mouths of two L ligands surround each other to form a ball-shaped building synthon in compounds 1 and 4, while the linear networks in 2 and 3 are in cylinder-shaped configurations. The luminescent spectra of L and compounds 1, 2, 3, and 4 suggested that the potential field around L ligand should be an important factor on the fluorescent emissions. The successful construction of the four novel coordination polymers based on the flexible zwitterionic L ligand should provide valuable information for further generation of novel topological networks with interesting properties.
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