Osmocene

Osmium compounds: osmocene

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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Osmium	Osmium
Osmium	Osmium
Osmio	Osmio
Osmium	Ósmio