Synthesis and Characterization of Copper-, Zinc-, Manganese-, and Cobalt-Substituted Dimeric Heteropolyanions, [(α-XW<sub>9</sub>O<sub>33</sub>)<sub>2</sub>M<sub>3</sub>(H<sub>2</sub>O)<sub>3</sub>]<i><sup>n</sup></i><sup>-</sup> (<i>n</i> = 12, X = As<sup>III</sup>, Sb<sup>III</sup>, M = Cu<sup>2+</sup>, Zn<sup>2+</sup>; <i>n</i> = 10, X = Se<sup>IV</sup>, Te<sup>IV</sup>, M = Cu<sup>2+</sup>) and [(α-AsW<sub>9</sub>O<sub>33</sub>)<sub>2</sub>WO(H<sub>2</sub>O)M<sub>2</sub>(H<sub>2</sub>O)<sub>2</sub>]<sup>10</sup><sup>-</sup> (M = Zn<sup>2+</sup>, Mn<sup>2+</sup>, Co<sup>2+</sup>)
Ulrich Kortz, Noha K. Al-Kassem, Masha G. Savelieff, et al.·2001·Inorganic Chemistry