Osmium pentacarbonyl

Osmium compounds: osmium pentacarbonyl

The osmium in osmium pentacarbonyl formally is in the oxidation state 0.

Osmium pentacarbonyl

• Formula as often written: Os(CO)₅
• Hill system formula: C₅O₅Os₁
• CAS registry number: [16406-49-8]
• Formula weight: 330.28
• Class: carbonyl complex organometallic

Synonyms

• osmium pentacarbonyl
• osmium(O) carbonyl

Physical properties

• Colour: pale-yellow
• Appearance: liquid
• Melting point: 2°C
• Boiling point:
• Density:

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Element analysis

Synthesis

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Isotope pattern

What follows is the calculated isotope pattern for the Os(CO)₅ unit with the most intense ion set to 100%.

Formula: Os₁C₅O₅

mass  %
324   0.1 
325   0.0 
326   3.8 __
327   4.1 __
328  32.5 ________________
329  40.9 ____________________
330  66.5 _________________________________
331   4.2 __
332 100.0 __________________________________________________
333   5.8 ___
334   1.1 _
335   0.1 
336   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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