Syntheses, Crystal Structure, Characterization, and Properties of Two Novel Superamolecular Phosphotungstate-Pyridine Complexes
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Two new inorganic-organic compounds constructed from phosphotungstate and pyridines have been synthesized under hydrothermal conditions. The formulas of the two compounds are (C<sub>5</sub>H<sub>7</sub>N<sub>2</sub>)<sub>3</sub>(C<sub>5</sub>H<sub>6</sub>N<sub>2</sub>)<sub>3</sub>(PW<sub>12</sub>O<sub>40</sub>)·2H<sub>2</sub>O (<b>1</b>) and (C<sub>6</sub>H<sub>8</sub>N)<sub>3</sub>(C<sub>6</sub>H<sub>7</sub>N)(PW<sub>12</sub>O<sub>40</sub>)·9H<sub>2</sub>O (<b>2</b>). They have been characterized by IR, UV-vis, TG-DTA, FL, CV, and single-crystal X-ray diffraction. The two compounds both show three-dimensional networks. These compounds exhibit good catalytic activity for catalytic oxidation of methanol over a continuous-flow fixed-bed microreactor, when the initial concentration of methanol is 5.37 g⋅m<sup>−3</sup>, and flow rate is 4.51 mL⋅min<sup>−1</sup>. 0.2 g compound <b>1</b> (or compound <b>2)</b> as the catalyst can eliminate methanol completely at 150°C (175°C for compound <b>2</b>).
提供机构：
Taylor & Francis
创建时间：
2016-01-20
