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Issue 14, 2012
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Alkaline earth metal ion doped Zn(II)-terephthalates

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Abstract

Alkaline earth metal ion doped Zn(II)-terephthalates, [Zn2Mg(PBDC)3(DMA)2]n (1), [ZnCa(PBDC)2(DMA)2]n (2), [ZnSr(PBDC)2(DMA)2]n (3) and [Zn2Ba(PBDC)32-O1w)2(DMF)]n·n(DMF) (4) (H2PBDC = terephthalic acid, DMA = N,N′-dimethylacetamide, DMF = N,N′-dimethylformamide), have been solvothermally synthesized and characterized by single-crystal X-ray diffraction, powder X-ray diffraction, elemental analyses, IR spectra, and thermal analyses. Different secondary building subunits, [Zn2Mg(μ2-COO)3] for 1, [ZnCa(μ2-COO)3] for 2, [ZnSr(μ2-COO)3] for 3, and [Zn2Ba(μ2-COO)42-O1w)2] for 4, are realized by the introduction of different alkaline earth ions. Compound 1 is a two-dimensional (2D) layer structure with 6-connected hxl topology. Compounds 2 and 3 are isostructural and exhibit a three-dimensional (3D) framework with (3,5)-connected {4.62}{4.66.83} topology owing to their similar secondary building subunits. Compound 4 is a three-dimensional (3D) opened framework with the channels occupied by the disordered lattice DMF molecules and can be simplified into a (3,8)-connected {42.6}2{44.614.78.82} topology. Moreover, the solid-state fluorescence of compounds 1–4 have also been investigated at room temperature.

Graphical abstract: Alkaline earth metal ion doped Zn(ii)-terephthalates

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Publication details

The article was received on 28 Mar 2012, accepted on 27 Apr 2012 and first published on 01 May 2012


Article type: Paper
DOI: 10.1039/C2CE25440A
Citation: CrystEngComm, 2012,14, 4843-4849
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    Alkaline earth metal ion doped Zn(II)-terephthalates

    X. Zhang, Y. Huang, J. Cheng, Y. Yao, J. Zhang and F. Wang, CrystEngComm, 2012, 14, 4843
    DOI: 10.1039/C2CE25440A

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