Structures of Tungstate

Orthotungstates feature tetrahedral W(VI) centres with short W-O distances of 1.79 Å. Structurally, they resemble sulfates. Six-coordinate, octahedral tungsten dominates in the polyoxotungstates. In these compounds, the W-O distances are elongated.

Some examples of tungstate ions:

    HWO4− (hydrogentungstate)
    polymeric W2O72− ions of various structures in Na2W2O7, Li2W2O7 and Ag2W2O7

    [W7O24]6− (paratungstate A)
    [W10O32]4− (tungstate Y)
    [H2W12O42]10− (paratungstate B)
    α-[H2W12O40]6− (metatungstate))
    β-[H2W12O40]6− (tungstate X))

See the tungstates category for a list of tungstates.

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