Selenium compounds: selenium dibromide

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The selenium in selenium dibromide formally is in the oxidation state 2.

Selenium dibromide

  • Formula as often written: SeBr2
  • Hill system formula: Br2Se1
  • CAS registry number: [22987-45-7]
  • Formula weight: 238.768
  • Class: bromide

Synonyms

  • selenium dibromide
  • selenium(II) bromide
  • selenium bromide

Physical properties

  • Colour:
  • Appearance:
  • Melting point:
  • Boiling point:
  • Density:

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Element analysis

Element percentages for the elements in selenium dibromide
Element %
Br 66.93
Se 33.07

Synthesis

Selenium (II) bromide has not been isolated but it has been identified in the vapour of Se2Br2 and SeBr4.

Isotope pattern

What follows is the calculated isotope pattern for the SeBr2 unit with the most intense ion set to 100%.

Formula: Se1Br2

mass  %
232   0.7 
233 0.0
234 8.4 ____
235 0.6
236 32.7 ________________
237 1.2 _
238 81.2 _________________________________________
239 0.6
240 100.0 __________________________________________________
241 0.0
242 50.6 _________________________
243 0.0
244 6.8 ___

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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selenium atomic number