Osmium compounds: pentamethylosmocene

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

Pentamethylosmocene

  • Formula as often written: Os(C5Me5)2
  • Hill system formula: C20H30Os1
  • CAS registry number: [100603-32-5]
  • Formula weight: 460.682
  • Class: complex organometallic

Synonyms

  • pentamethylosmocene
  • pentamethylcyclopentadienyl osmium
  • dipentamethylcyclopentadienyl osmium
  • osmium(II) pentamethylcyclopentadienide
  • permethylosmocene

Physical properties

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

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Element analysis

Element percentages for the elements in pentamethylosmocene
Element %
C 52.14
H 6.56
Os 41.29

Synthesis

Not available

Isotope pattern

What follows is the calculated isotope pattern for the Os(C5Me5)2 unit with the most intense ion set to 100%.

Formula: Os1C20H30

mass  %
454   0.1 
455 0.0
456 3.8 __
457 4.7 __
458 32.9 ________________
459 45.9 _______________________
460 72.8 ____________________________________
461 15.2 ________
462 100.0 __________________________________________________
463 22.3 ___________
464 2.4 _
465 0.2

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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