Keywords: Hexatungstate-from-xtal-3D-polyhedra.png Polyhedral model of the hexatungstate anion W<sub>6</sub>O<sub>19</sub><sup>2 ˆ’</sup> as found in the crystal structure of tetrabutylammonium hexatungstate C<sub>4</sub>H<sub>9</sub> <sub>4</sub>N<sub>2</sub>W<sub>6</sub>O<sub>19</sub> X-ray crystallographic data from http //dx doi org/10 1107/S0567740878006664 Acta Cryst 1978 B34 1764-1770 Model constructed in http //www crystalmaker com/ CrystalMaker 8 1 Image generated in http //accelrys com/products/discovery-studio/visualization/discovery-studio-visualizer html Accelrys DS Visualizer Own 2008-03-09 Ben Mills Benjah-bmm27 Images by Ben Mills Tetrabutylammonium hexatungstate Oxoanions |