Osmium diselenide

Osmium compounds: osmium diselenide

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

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:

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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