Niobium compounds: niobium pentabromide

niobium symbol icon

The niobium in niobium pentabromide formally is in the oxidation state 5.

Niobium pentabromide

  • Formula as often written: NbBr5
  • Hill system formula: Br5Nb1
  • CAS registry number: [13478-45-0]
  • Formula weight: 492.426
  • Class: bromide

Synonyms

  • niobium pentabromide
  • niobium(V) bromide
  • niobium bromide

Physical properties

  • Colour: red or orange
  • Appearance: crystalline solid
  • Melting point: 254°C
  • Boiling point: 360°C
  • Density: 4360 kg -3

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Element analysis

Element percentages for the elements in niobium pentabromide
Element %
Br 81.13
Nb 18.87

Synthesis

Not available

Isotope pattern

What follows is the calculated isotope pattern for the NbBr5 unit with the most intense ion set to 100%.

Formula: Nb1Br5

mass  %
488  10.6 _____
489 0.0
490 51.4 __________________________
491 0.0
492 100.0 __________________________________________________
493 0.0
494 97.3 _________________________________________________
495 0.0
496 47.3 ________________________
497 0.0
498 9.2 _____

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