Metatungstate

M12O40 cage in metatungstate.

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.

One of four equivalent subunit of the M12O40 cage in metatungstate.

See also

References

  1. ↑ 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.