Synthesis and Reversible Transformation of Cu<sub><i>n</i></sub>‑Bridged (<i>n</i> = 1, 2, or 4) Silicodecatungstate Dimers
- Kosuke Suzuki (20348)
- Masahiro Shinoe (2028310)
- Noritaka Mizuno (1631101)
DOIAbstract
Three copper-bridged sandwich-type silicodecatungstate dimers, TBA<sub>8</sub>[Cu(γ-SiW<sub>10</sub>O<sub>34</sub>)<sub>2</sub>(CH<sub>3</sub>CONH)<sub>2</sub>]·4H<sub>2</sub>O (<b>Cu-1</b>, TBA = tetra-<i>n-</i>butylammonium), TBA<sub>8</sub>H<sub>4</sub>[Cu<sub>2</sub>(γ-SiW<sub>10</sub>O<sub>36</sub>)<sub>2</sub>H<sub>2</sub>O]·11H<sub>2</sub>O·CH<sub>3</sub>COCH<sub>3</sub> (<b>Cu-2</b>), and TBA<sub>8</sub>H<sub>2</sub>[Cu<sub>4</sub>(γ-SiW<sub>10</sub>O<sub>36</sub>)<sub>2</sub>(CH<sub>3</sub>COO)<sub>2</sub>]·5H<sub>2</sub>O (<b>Cu-4</b>) have been selectively synthesized by reactions of divacant lacunary TBA<sub>4</sub>[H<sub>4</sub>(γ-SiW<sub>10</sub>O<sub>36</sub>)] (SiW10) with copper acetate in organic media. The copper cation(...
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