Dysprosium compounds: didysprosium triselenide

dysprosium symbol icon

The dysprosium in didysprosium triselenide formally is in the oxidation state 3.

Crystal structure of didysprosium triselenide

Didysprosium triselenide

  • Formula as often written: Dy2Se3
  • Hill system formula: Dy2Se3
  • CAS registry number: [12020-04-1]
  • Formula weight: 561.88
  • Class: selenide

Synonyms

  • didysprosium triselenide
  • dysprosium(III) selenide
  • dysprosium selenide

Physical properties

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

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Element analysis

Element percentages for the elements in didysprosium triselenide
Element %
Dy 57.84
Se 42.16

Synthesis

Not available

Solid state structure

  • Geometry of dysprosium:
  • Prototypical structure:

Crystal structure of didysprosium triselenide

Isotope pattern

What follows is the calculated isotope pattern for the Dy2Se3 unit with the most intense ion set to 100%.

Formula: Dy2Se3

mass  %
547   0.0 
548 0.0
549 0.1
550 0.2
551 0.5
552 1.0
553 2.2 _
554 4.3 __
555 7.9 ____
556 13.7 _______
557 22.2 ___________
558 33.7 _________________
559 48.6 ________________________
560 64.1 ________________________________
561 80.9 ________________________________________
562 92.6 ______________________________________________
563 100.0 __________________________________________________
564 98.3 _________________________________________________
565 86.5 ___________________________________________
566 72.3 ____________________________________
567 47.1 ________________________
568 33.7 _________________
569 13.9 _______
570 8.9 ____
571 2.0 _
572 1.2 _
573 0.1
574 0.1

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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dysprosium atomic number