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Issue 16, 2011
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Cadmium(II) and zinc(II) metal–organic frameworks with anthracene-based dicarboxylic ligands: solvothermal synthesis, crystal structures, and luminescent properties

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Abstract

Five new coordination polymers, namely, [Cd4(L11)2(DPP)2(DMF)2(SO4)2] (1), [Zn2(L11)(DPP)2Cl2] (2), [Cd(L222)(DPP)] (3), [Zn(L222)(DPP)] (4) and {[Cd2(L222)Cl4][(CH3)2NH2]2} (5), (DPP = 1,3-di(4-pyridyl)propane and DMF = N,N-dimethylformamide), were prepared by solvothermal reactions of anthracene-9,10-dicarboxylic acid (H2L11) or anthracene-1,5-dicarboxylic acid (H2L222) with CdII or ZnII ions, and were structurally characterized by IR, elemental analysis, XRPD and single crystal X-ray diffraction. Complex 1 consists of a three-dimensional (3D) network with bcu (CsCl-type) topology assembled by pillar ligands L122, DPP and CdII ions and has one-dimensional (1D) channels running along the a-axis. In the case of complex 2, the CdII and SO42 ions are replaced by ZnII and Cl, resulting in a 1D ladder chain. Complexes 3 and 4 are made up of longer pillars, H2L222 instead of H2L11, and have similar 3D four-fold interpenetrating diamond frameworks. And complex 5 forms a two-dimensional (2D) (32.62.72) kagóme structure after taking out the longer pillar DPP. Moreover, the luminescence properties of all the complexes and the corresponding ligands in the solid state at room temperature have been investigated.

Graphical abstract: Cadmium(ii) and zinc(ii) metal–organic frameworks with anthracene-based dicarboxylic ligands: solvothermal synthesis, crystal structures, and luminescent properties

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Publication details

The article was received on 05 Mar 2011, accepted on 11 May 2011 and first published on 24 Jun 2011


Article type: Paper
DOI: 10.1039/C1CE05287J
Citation: CrystEngComm, 2011,13, 5152-5161
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    Cadmium(II) and zinc(II) metal–organic frameworks with anthracene-based dicarboxylic ligands: solvothermal synthesis, crystal structures, and luminescent properties

    J. Wang, T. Hu and X. Bu, CrystEngComm, 2011, 13, 5152
    DOI: 10.1039/C1CE05287J

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