Osmium compounds: osmium diselenide

osmium symbol icon

The osmium in osmium diselenide formally is in the oxidation state 4.

Crystal structure of osmium diselenide

Osmium diselenide

  • Formula as often written: OsSe2
  • Hill system formula: Os1Se2
  • CAS registry number: [12310-19-9]
  • Formula weight: 348.15
  • Class: selenide

Synonyms

  • osmium diselenide
  • osmium(IV) selenide
  • osmium selenide

Physical properties

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

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Element analysis

Element percentages for the elements in osmium diselenide
Element %
Os 54.64
Se 45.36

Synthesis

Not available

Solid state structure

  • Geometry of osmium: 6 coordinate: octahedral
  • Prototypical structure:

Crystal structure of osmium diselenide

Isotope pattern

What follows is the calculated isotope pattern for the OsSe2 unit with the most intense ion set to 100%.

Formula: Os1Se2

mass  %
336   0.0 
337 0.0
338 0.2
339 0.3
340 1.6 _
341 1.6 _
342 7.0 ____
343 6.1 ___
344 22.4 ___________
345 15.7 ________
346 51.6 __________________________
347 25.4 _____________
348 86.9 ___________________________________________
349 26.9 _____________
350 100.0 __________________________________________________
351 8.0 ____
352 75.2 ______________________________________
353 0.7
354 20.7 __________
355 0.0
356 1.8 _

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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