Pentamethylosmocene

Osmium compounds: pentamethylosmocene

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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Osmium	Osmium
Osmium	Osmium
Osmio	Osmio
Osmium	Ósmio