Niobium compounds: niobium diselenide

niobium symbol icon

The niobium in niobium diselenide formally is in the oxidation state 4.

Niobium diselenide

  • Formula as often written: NbSe2
  • Hill system formula: Nb1Se2
  • CAS registry number: [12034-77-4]
  • Formula weight: 250.826
  • Class: selenide

Synonyms

  • niobium diselenide
  • niobium(IV) selenide
  • niobium selenide

Physical properties

  • Colour: grey
  • Appearance: crystalline solid
  • Melting point: >1300°C
  • Boiling point:
  • Density: 6300 kg m-3

Suppliers

Coming soon...

Element analysis

Element percentages for the elements in niobium diselenide
Element %
Nb 37.04
Se 62.96

Synthesis

Not available

Isotope pattern

What follows is the calculated isotope pattern for the NbSe2 unit with the most intense ion set to 100%.

Formula: Nb1Se2

mass  %
241   0.0 
242 0.0
243 0.6
244 0.1
245 4.3 __
246 0.5
247 17.7 _________
248 1.2 _
249 50.6 _________________________
250 2.6 _
251 86.5 ___________________________________________
252 0.5
253 100.0 __________________________________________________
254 0.0
255 31.5 ________________
256 0.0
257 2.9 _

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.

WebElements Shop

WebElements now has a WebElements shop at which you can buy periodic table posters, mugs, T-shirts, games, fridge magnets, molecular models, and more.

Periodic Table fridge magnets Periodic Table fridge magnets
Buy our periodic table fridge magnets here

WebElements poster Periodic table t-shirts Periodic table mouse mats Molymod molecular model kits Chemistry educational resources

niobium atomic number