Samarium compounds: disamarium triselenide

samarium symbol icon

The samarium in disamarium triselenide formally is in the oxidation state 3.

Disamarium triselenide

  • Formula as often written: Sm2Se3
  • Hill system formula: Se3Sm2
  • CAS registry number: [12039-56-4]
  • Formula weight: 537.6
  • Class: selenide

Synonyms

  • disamarium triselenide
  • samarium(III) selenide
  • samarium selenide

Physical properties

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

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Element analysis

Element percentages for the elements in disamarium triselenide
Element %
Se 44.06
Sm 55.94

Synthesis

Not available

Isotope pattern

What follows is the calculated isotope pattern for the Sm2Se3 unit with the most intense ion set to 100%.

Formula: Sm2Se3

mass  %
518   0.0 
519 0.0
520 0.1
521 0.2
522 0.3
523 0.7
524 1.2 _
525 2.4 _
526 3.8 __
527 6.3 ___
528 10.1 _____
529 14.2 _______
530 21.9 ___________
531 28.0 ______________
532 39.4 ____________________
533 48.2 ________________________
534 58.2 _____________________________
535 72.8 ____________________________________
536 73.8 _____________________________________
537 92.5 ______________________________________________
538 84.9 __________________________________________
539 94.6 _______________________________________________
540 95.6 ________________________________________________
541 72.0 ____________________________________
542 100.0 __________________________________________________
543 35.9 __________________
544 88.8 ____________________________________________
545 10.2 _____
546 61.6 _______________________________
547 1.5 _
548 28.9 ______________
549 0.1
550 7.8 ____
551 0.0
552 1.1 _
553 0.0
554 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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samarium atomic number