Erbium compounds: dierbium triselenide

erbium symbol icon

The erbium in dierbium triselenide formally is in the oxidation state 3.

Crystal structure of dierbium triselenide

Dierbium triselenide

  • Formula as often written: Er2Se3
  • Hill system formula: Er2Se3
  • CAS registry number: [12020-38-1]
  • Formula weight: 571.4
  • Class: selenide

Synonyms

  • dierbium triselenide
  • erbium(III) selenide
  • erbium selenide

Physical properties

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

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Element analysis

Element percentages for the elements in dierbium triselenide
Element %
Er 58.54
Se 41.46

Synthesis

Not available

Solid state structure

  • Geometry of erbium:
  • Prototypical structure:

Crystal structure of dierbium triselenide

Isotope pattern

What follows is the calculated isotope pattern for the Er2Se3 unit with the most intense ion set to 100%.

Formula: Er2Se3

mass  %
556   0.0 
557 0.0
558 0.1
559 0.1
560 0.4
561 0.4
562 2.0 _
563 2.1 _
564 7.3 ____
565 7.2 ____
566 20.7 __________
567 19.0 __________
568 45.7 _______________________
569 38.1 ___________________
570 77.6 _______________________________________
571 56.7 ____________________________
572 100.0 __________________________________________________
573 61.9 _______________________________
574 95.1 ________________________________________________
575 45.0 ______________________
576 64.7 ________________________________
577 21.7 ___________
578 31.8 ________________
579 6.0 ___
580 11.1 ______
581 0.8
582 2.5 _
583 0.0
584 0.3
585 0.0
586 0.0

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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erbium atomic number