Poly[[diaquadeca-μ<sub>2</sub>-cyanido-κ<sup>20</sup><i>C</i>:<i>N</i>-hexacyanido-κ<sup>6</sup><i>C</i>-bis(μ<sub>2</sub>-5-methylpyrimidine-κ<sup>2</sup><i>N</i>:<i>N</i>′)bis(5-methylpyrimidine-κ<i>N</i>)tricopper(II)ditungstate(V)] dihydrate]
Acta crystallographica. Section E