Intermediate oxides of tungsten
(Redirected from Tungsten pentoxide)
A number of unusual intermediate oxides are formed from reacting tungsten metal and tungsten trioxide (WO3), including W20O58 and W24O70.[1] W18O49 contains both octahedral and pentagonal bipyramidal co-ordination of the metal atoms by oxygen.[1]
Tungsten pentoxide (W2O5) was reported in early literature but proved to have the stoichiometry W18O49.[1] Sometimes called mineral blue, it is a blue solid formed by the reaction of tungsten trioxide and tungsten metal at 700 °C.[1]
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