Osmium compounds: triosmium dodecacarbonyl

osmium symbol icon

The osmium in triosmium dodecacarbonyl formally is in the oxidation state 0.

Crystal structure of triosmium dodecacarbonyl

Triosmium dodecacarbonyl

  • Formula as often written: Os3(CO)12
  • Hill system formula: C12O12Os3
  • CAS registry number: [15696-40-9]
  • Formula weight: 906.811
  • Class: carbonyl complex organometallic

Synonyms

  • triosmium dodecacarbonyl
  • osmium(O) carbonyl
  • osmium carbonyl
  • osmium dodecacarbonyl

Physical properties

  • Colour: yellow
  • Appearance: crystalline solid
  • Melting point:
  • Boiling point: 224°C
  • Density: 3480 kg m-3

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Element analysis

Element percentages for the elements in triosmium dodecacarbonyl
Element %
C 15.89
O 21.17
Os 62.93

Synthesis

Not available

Solid state structure

  • Geometry of osmium:
  • Prototypical structure:

Crystal structure of triosmium dodecacarbonyl

Isotope pattern

What follows is the calculated isotope pattern for the Os3(CO)12 unit with the most intense ion set to 100%.

Formula: Os3C12O12

mass  %
896   0.1 
897 0.2
898 0.9
899 2.1 _
900 5.8 ___
901 11.2 ______
902 23.2 ____________
903 33.8 _________________
904 55.0 ____________________________
905 63.7 ________________________________
906 92.8 ______________________________________________
907 78.5 _______________________________________
908 100.0 __________________________________________________
909 61.4 _______________________________
910 86.4 ___________________________________________
911 12.5 ______
912 42.5 _____________________
913 5.8 ___
914 1.3 _
915 0.1
916 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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osmium atomic number