Terbium compounds: diterbium triselenide

terbium symbol icon

The terbium in diterbium triselenide formally is in the oxidation state 3.

Crystal structure of diterbium triselenide

Diterbium triselenide

  • Formula as often written: Tb2Se3
  • Hill system formula: Se3Tb2
  • CAS registry number: [12166-48-2]
  • Formula weight: 554.731
  • Class: selenide

Synonyms

  • diterbium triselenide
  • terbium(III) selenide
  • terbium selenide

Physical properties

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

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Element analysis

Element percentages for the elements in diterbium triselenide
Element %
Se 42.70
Tb 57.30

Synthesis

Not available

Solid state structure

  • Geometry of terbium:
  • Prototypical structure:

Crystal structure of diterbium triselenide

Isotope pattern

What follows is the calculated isotope pattern for the Tb2Se3 unit with the most intense ion set to 100%.

Formula: Tb2Se3

mass  %
542   0.0 
543 0.0
544 0.1
545 0.0
546 0.9
547 0.1
548 4.5 __
549 0.6
550 15.8 ________
551 1.6 _
552 40.3 ____________________
553 2.7 _
554 76.2 ______________________________________
555 3.1 __
556 100.0 __________________________________________________
557 1.0
558 88.2 ____________________________________________
559 0.1
560 34.5 _________________
561 0.0
562 5.9 ___
563 0.0
564 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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terbium atomic number