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Crystal Structure and Catalytic Elimination of Methanol from Two Novel Organic–Inorganic Hybrid Based on Silicomolybdenate, Silicotungstate and 2-Aminopyrimidine

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Abstract

Two new organic–inorganic hybrid, namely, (C4H7N3)2·(SiMo12O40)·(C4H5N3)2·(H2O)2 (1), (C4H7N3)2·(SiW12O40)·(C4H5N3)2·(H2O)2 (2) were synthesized by reaction of silicomolybdenate/silicotungstate and 2-aminopyrimidine and characterized by FT-IR, UV–vis, Fluorescence and single-crystal X-ray diffraction techniques. Compound 1 exhibit a two-dimensional supramolecular network via hydrogen bond interactions. Compound 2 show a three-dimensional supramolecular extended by two-dimensional pore structure constructed by the 2-aminopyrimidine molecules. Compound 1 emits green fluorescence and compounds 2 emits cyan fluorescence. The catalytic experimental results showed that compound 2 is active for catalytic oxidation of methanol in a continuous-flow fixed-bed micro-reactor, when the initial concentration of methanol is 5.37 g·m−3 in air and flow rate is 5 mL·min−1 at 90 °C, corresponding to the elimination rate of methanol is 53.09 % which is significant in environment protection.

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Acknowledgments

The Project was supported by Special and Key Laboratory of Functional Materials and Resource chemistry of Guizhou Provincial Education Department (No. GAFMRC201302) and Key Laboratory of Theoretical Organic Chemistry and Functional Molecules of Ministry of Education.

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Authors and Affiliations

  1. Special and Key Laboratory of Functional Materials and Resource Chemistry of Guizhou Provincial Education Department, Anshun University, Anshun, 561000, China

    Xiao-Miao Chen

  2. College of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, 411201, China

    Yi-Lan Huang, Yu-Zhe Han & Qian Deng

  3. Chemistry Department, City College of New York, City University of New York, New York, NY, 10016, USA

    Qing Cai

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  1. Xiao-Miao Chen
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  2. Yi-Lan Huang
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  3. Qing Cai
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  4. Yu-Zhe Han
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  5. Qian Deng
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Correspondence to Qian Deng.

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Chen, XM., Huang, YL., Cai, Q. et al. Crystal Structure and Catalytic Elimination of Methanol from Two Novel Organic–Inorganic Hybrid Based on Silicomolybdenate, Silicotungstate and 2-Aminopyrimidine. J Clust Sci 26, 1943–1957 (2015). https://doi.org/10.1007/s10876-015-0888-4

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  • DOI: https://doi.org/10.1007/s10876-015-0888-4

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