この資料をSMS送信: Synthesis and Structures of the Capped and Sandwiched Cobalt Heptamolybdate Polyoxometalate (NH<sub>4</sub>)<sub>6</sub>{[Co(H<sub>2</sub>O)<sub>5</sub>][Mo<sub>7</sub>O<sub>24</sub>][Co(H<sub>2</sub>O)<sub>2</sub>][Mo<sub>7</sub>O<sub>24</sub>][Co(H<sub>2</sub>O)<sub>5</sub>]} · 6 H<sub>2</sub>O and Its Extended Structure (NH<sub>4</sub>)<sub>6</sub>{[Co(H<sub>2</sub>O)<sub>2</sub>]<sub>3</sub>[Mo<sub>7</sub>O<sub>24</sub>]<sub>2</sub>}