Metatungstate
Appearance
![](http://upload.wikimedia.org/wikipedia/commons/thumb/7/78/ABOCIE.png/220px-ABOCIE.png)
In chemistry, metatungstate refers to the anion with the formula [W12O40]8- and salts derived from this anion. The term also refers to protonated derivatives of this anion, including [H2W12O40]6-. The unprotonated anion [W12O40]8- has Td symmetry.[1]
![](http://upload.wikimedia.org/wikipedia/commons/thumb/8/8e/ABOCIEsubunit.png/220px-ABOCIEsubunit.png)
See also
[edit]- Paratungstate [W12O42]12-, with idealized C2h symmetry.
References
[edit]- ^ Asami, M.; Ichida, H.; Sasaki, Y. (1984). "The structure of hexakis(tetramethylammonium) dihydrogendodecatungstate enneahydrate, [(CH3)4N]6[H2W12O40].9H2O". Acta Crystallographica Section C. 40: 35–37. doi:10.1107/S0108270184002924.