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Issue 3, 2012
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A series of pillar-layer metal–organic frameworks based on 5-aminoisophthalic acid and 4,4′-bipyridine

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Abstract

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(H2O)]·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 I2 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.

Graphical abstract: A series of pillar-layer metal–organic frameworks based on 5-aminoisophthalic acid and 4,4′-bipyridine

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Supplementary files

Article information


Submitted
08 Jul 2011
Accepted
24 Oct 2011
First published
22 Nov 2011

Dalton Trans., 2012,41, 1047-1053
Article type
Paper

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

H. Wang, X. Meng, C. Qin, X. Wang, G. Yang and Z. Su, Dalton Trans., 2012, 41, 1047
DOI: 10.1039/C1DT11304F

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