Vanadyl ion

The vanadyl or oxovanadium(IV) cation, [VO]²⁺, is a blue-coloured vanadium oxocation. It is one of the most stable diatomic ions known and forms a wide range of complexes.

Compounds containing the vanadyl ion

• vanadyl(acetylacetonate), VO(acac)₂
• vanadyl sulfate pentahydrate, VOSO₄·5H₂O

Related species

• titanyl ion, [TiO]²⁺
• pervanadyl ion, [VO₂]⁺, also known as the dioxovanadium(V) ion
• metavanadate ion, [VO₃]_nⁿ⁻
• orthovanadate ion, [VO₄]³⁻
• thiovanadyl ion, [VS]²⁺

References

• Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Oxford: Butterworth-Heinemann. ISBN 0080379419.