Osmium compounds: osmocene

osmium symbol icon

The osmium in osmocene formally is in the oxidation state 2.

Osmocene

  • Formula as often written: Os(C5H5)2
  • Hill system formula: C10H10Os1
  • CAS registry number: [1273-81-0]
  • Formula weight: 320.416
  • Class: complex organometallic

Synonyms

  • osmocene
  • dicyclopentadienyl osmium
  • cyclopentadienyl osmium
  • osmium(II) cyclopentadienide

Physical properties

  • Colour:
  • Appearance: solid
  • Melting point: 226-228°C
  • Boiling point:
  • Density:

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Element analysis

Element percentages for the elements in osmocene
Element %
C 37.48
H 3.15
Os 59.37

Synthesis

Not available

Isotope pattern

What follows is the calculated isotope pattern for the Os(C5H5)2 unit with the most intense ion set to 100%.

Formula: Os1C10H10

mass  %
314   0.1 
315 0.0
316 3.8 __
317 4.3 __
318 32.8 ________________
319 42.8 _____________________
320 68.7 __________________________________
321 7.4 ____
322 100.0 __________________________________________________
323 11.2 ______
324 0.6
325 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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