Abstract
A new anionic zinc-adeninate metal–organic framework, [Zn3(ad)(BTC)2·(Me2NH2), 5.75DMF, 0.25H2O] (ad = adeninate; BTC = benzene tricarboxylate; DMF = dimethylformamide), was synthesized via solvothermal reaction at 403 K for 24 h between adenine, zinc acetate dehydrate, and benzene tricarboxylic acid in DMF. The single-crystal structure of the framework was determined by single-crystal X-ray diffraction techniques in the monoclinic space group P2(1)/n and was refined to the final error indices R 1/wR 2 = 0.0663/0.1714 for I > 2sigma(I). The coordination of adenine and BTC expands the structure in different directions, resulting in a three dimensional structure. This framework contains a pore with the size ca. 6.6 × 3.9 Å. The chemical stability, thermal stability, and cation-exchange characteristics were investigated by powder XRD, TGA, EDX, 1H NMR, and EA.
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Acknowledgments
This work is supported by Aspiring Researcher Program through Seoul National University (SNU) in 2013. This work was also performed in collaboration with Prof. Nathaniel L. Rosi from the University of Pittsburgh.
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An, J., Geib, S.J., Kim, MG. et al. Synthesis and characterization of a new anionic zinc-adeninate metal–organic framework, [Zn3(ad)(BTC)2·(Me2NH2), 5.75 DMF, 0.25 H2O]. J Porous Mater 22, 867–875 (2015). https://doi.org/10.1007/s10934-015-9960-6
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DOI: https://doi.org/10.1007/s10934-015-9960-6