Chemistry:Metatungstate

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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]^12- has T_d symmetry.^[1]

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

See also

Paratungstate [W₁₂O₄₂]^12-, with idealized C_2h symmetry.

References

↑ 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.

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