Bismuth compounds: dibismuth triselenide

bismuth symbol icon

The bismuth in dibismuth triselenide formally is in the oxidation state 3.

Crystal structure of dibismuth triselenide

Dibismuth triselenide

  • Formula as often written: Bi2Se3
  • Hill system formula: Bi2Se3
  • CAS registry number: [12068-69-8]
  • Formula weight: 654.841
  • Class: selenide

Synonyms

  • dibismuth triselenide
  • bismuth(III) selenide
  • bismuth selenide
  • bismuth sesqiselenide

Physical properties

  • Colour: black
  • Appearance: crystalline solid
  • Melting point: 710°C; 706°C (decomposes)
  • Boiling point:
  • Density: 7500 kg m-3; 7700 kg m-3

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Element analysis

Element percentages for the elements in dibismuth triselenide
Element %
Bi 63.83
Se 36.17

Synthesis

Not available

Solid state structure

  • Geometry of bismuth:
  • Prototypical structure:

Crystal structure of dibismuth triselenide

Isotope pattern

What follows is the calculated isotope pattern for the Bi2Se3 unit with the most intense ion set to 100%.

Formula: Bi2Se3

mass  %
642   0.0 
643 0.0
644 0.1
645 0.0
646 0.9
647 0.1
648 4.5 __
649 0.6
650 15.8 ________
651 1.6 _
652 40.3 ____________________
653 2.7 _
654 76.2 ______________________________________
655 3.1 __
656 100.0 __________________________________________________
657 1.0
658 88.2 ____________________________________________
659 0.1
660 34.5 _________________
661 0.0
662 5.9 ___
663 0.0
664 0.4

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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bismuth atomic number