A series of pillar-layer metal-organic frameworks based on 5-aminoisophthalic acid and 4,4'-bipyridine

Four new compounds, [Cd(5-aip)(bpy)]·1.5DMA (1), [Cu(5-aip)(bpy)]·1.3DMA (2), [Co(5-aip)(bpy)]·1.6DMA (3), and [Cd(5-aip)(bpy)(0.5)(H(2)O)]·1.3DMA (4), based on 5-aminoisophthalic acid and 4,4'-bipyridine, have been synthesized by the solvothermal method and structurally determined using single...

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Bibliographic Details
Published in:Dalton transactions : an international journal of inorganic chemistry 2012-01, Vol.41 (3), p.1047-1053
Main Authors: Wang, Hai-Ning, Meng, Xing, Qin, Chao, Wang, Xin-Long, Yang, Guang-Sheng, Su, Zhong-Min
Format: Article
Language:English
Subjects:
Channels
Displays
Metal-organic frameworks
Methyl alcohol
Quenching
Single crystals
Three dimensional
Transformations
Two dimensional
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Summary:Four new compounds, [Cd(5-aip)(bpy)]·1.5DMA (1), [Cu(5-aip)(bpy)]·1.3DMA (2), [Co(5-aip)(bpy)]·1.6DMA (3), and [Cd(5-aip)(bpy)(0.5)(H(2)O)]·1.3DMA (4), based on 5-aminoisophthalic acid and 4,4'-bipyridine, have been synthesized by the solvothermal method and structurally determined using single crystal X-ray diffraction. Compounds 1-3 are structurally similar and show non-interpenetrating three-dimensional (3D) pillar-layer frameworks, while compound 4 displays a two-dimensional (2D) (3,4)-connected parallel non-interpenetrating architecture. In all these compounds, 1D rectangular channels are observed and the ligand 5-aminoisophthalic acid exhibits three kinds of coordination modes. Furthermore, 1 displays a single-crystal-to-single-crystal transformation when immersed in a methanol solution. More significantly, 1 can absorb and deliver I(2) molecules by means of its channels, and could induce a reversible luminescent transformation from quenching to the initial state. The luminescent properties of 1 and 4 have also been studied.
ISSN:1477-9226
1477-9234
DOI:10.1039/c1dt11304f