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Vanadium compounds: divanadium pentoxide
The vanadium in divanadium pentoxide formally is in the oxidation state 5.

Divanadium pentoxide
- Formula as often written: V2O5
- Hill system formula: O5V2
- CAS registry number: [1314-62-1]
- Formula weight: 181.88
- Class: oxide
Synonyms
- divanadium pentoxide
- vanadium(V) oxide
- vanadium oxide
Physical properties
- Colour: orange-yellow
- Appearance: crystalline solid
- Melting point: 685°C; 670°C
- Boiling point: 1800°C
- Density: 3350 kg m-3
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Element analysis
Element percentages for the elements in divanadium pentoxide
| Element |
% |
| O |
43.98 |
| V |
56.02 |
Synthesis
Not available
Solid state structure
- Geometry of vanadium:
- Prototypical structure:

Isotope pattern
What follows is the calculated isotope pattern for the V2O5 unit with the most intense ion set to 100%.
Formula: V2O5
mass %
181 0.5 182 100.0 __________________________________________________ 183 0.2 184 1.0 185 0.0 186 0.0
References
The data on these compounds pages are assembled and adapted from the primary literature and several other sources including the following.
- R.T. Sanderson in Chemical Periodicity, Reinhold, New York, USA, 1960.
- N.N. Greenwood and A. Earnshaw in Chemistry of the Elements, 2nd edition, Butterworth, UK, 1997.
- F.A. Cotton, G. Wilkinson, C.A. Murillo, and M. Bochmann, in Advanced Inorganic Chemistry, John Wiley & Sons, 1999.
- A.F. Trotman-Dickenson, (ed.) in Comprehensive Inorganic Chemistry, Pergamon, Oxford, UK, 1973.
- R.W.G. Wyckoff, in Crystal Structures, volume 1, Interscience, John Wiley & Sons, 1963.
- A.R.West in Basic solid state chemistry Chemistry, John Wiley & Sons, 1999.
- A.F. Wells in Structural inorganic chemistry, 4th edition, Oxford, UK, 1975.
- J.D.H. Donnay, (ed.) in Crystal data determinative tables, ACA monograph number 5, American Crystallographic Association, USA, 1963.
- D.R. Lide, (ed.) in Chemical Rubber Company handbook of chemistry and physics, CRC Press, Boca Raton, Florida, USA, 77th edition, 1996.
- J.W. Mellor in A comprehensive treatise on inorganic and theoretical chemistry, volumes 1-16, Longmans, London, UK, 1922-1937.
- J.E. Macintyre (ed.) in Dictionary of inorganic compounds, volumes 1-3, Chapman & Hall, London, UK, 1992.
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