Niobium compounds: diniobium pentaoxide

niobium symbol icon

The niobium in diniobium pentaoxide formally is in the oxidation state 5.

Crystal structure of diniobium pentaoxide

Diniobium pentaoxide

  • Formula as often written: Nb2O5
  • Hill system formula: Nb2O5
  • CAS registry number: [1313-96-8]
  • Formula weight: 265.81
  • Class: oxide

Synonyms

  • diniobium pentaoxide
  • niobium(V) oxide
  • niobium oxide

Physical properties

  • Colour: white
  • Appearance: crystalline solid
  • Melting point: 1460°C; 1512°C
  • Boiling point:
  • Density: 4600 kg m-3

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Element analysis

Element percentages for the elements in diniobium pentaoxide
Element %
Nb 69.90
O 30.10

Synthesis

Not available

Solid state structure

  • Geometry of niobium:
  • Prototypical structure:

Crystal structure of diniobium pentaoxide

Isotope pattern

What follows is the calculated isotope pattern for the Nb2O5 unit with the most intense ion set to 100%.

Formula: Nb2O5

mass  %
266 100.0 __________________________________________________
267 0.2
268 1.0
269 0.0
270 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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niobium atomic number