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Issue 15, 2013
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A novel (3,3,6)-connected luminescent metal–organic framework for sensing of nitroaromatic explosives

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Abstract

A novel metal–organic framework [Cd3(CPEIP)2(DMF)3]·solvent (1) based on a neutral non-oxo triangular [Cd3(COO)6] secondary building unit (SBU), was synthesized under solvothermal conditions by using a rigid unsymmetrical tricarboxylate ligand 5-((4-carboxyphenyl)ethynyl)isophthalic acid (H3CPEIP). Single-crystal X-ray diffraction analysis reveals that compound 1 crystallizes in the monoclinic space group C2/c. The crystal structure exhibits a rare (3,3,6)-connected three-dimensional (3-D) framework with vertex symbol of (42.6)(43)(45.64.86). The incorporation of CPEIP3+ into 1 gives rise to high luminescence in solid state. The emission of micrometer-sized compound 1 (1′) dispersed in ethanol could be quenched efficiently by picric acid (PA), indicating that this compound could be utilized as a chemosensor for detection of aromatic explosives.

Graphical abstract: A novel (3,3,6)-connected luminescent metal–organic framework for sensing of nitroaromatic explosives

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Publication details

The article was received on 28 Nov 2012, accepted on 16 Jan 2013 and first published on 17 Jan 2013


Article type: Paper
DOI: 10.1039/C3DT32851A
Dalton Trans., 2013,42, 5508-5513

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    A novel (3,3,6)-connected luminescent metal–organic framework for sensing of nitroaromatic explosives

    L. Sun, H. Xing, J. Xu, Z. Liang, J. Yu and R. Xu, Dalton Trans., 2013, 42, 5508
    DOI: 10.1039/C3DT32851A

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