Ruthenium pentacarbonyl

  • Formula: Ru(CO)5
  • Hill system formula: C5O5Ru1
  • CAS registry number: [16406-48-7]
  • Formula weight: 241.12
  • Class: carbonyl complex organometallic
  • Colour: colourless
  • Appearance: liquid
  • Melting point: -22°C
  • Boiling point:
  • Density:

The following are some synonyms of ruthenium pentacarbonyl:

  • ruthenium pentacarbonyl
  • ruthenium(O) carbonyl
  • ruthenium carbonyl

The oxidation number of ruthenium in ruthenium pentacarbonyl is 0.


This was first made through the direct carbonylation of ruthenium metal with carbon monoxide at 1808C at 200 atm.

Element analysis

The table shows element percentages for Ru(CO)5 (ruthenium pentacarbonyl).

Element %
C 24.91
O 33.18
Ru 41.92

Isotope pattern for Ru(CO)5

The chart below shows the calculated isotope pattern for the formula Ru(CO)5 with the most intense ion set to 100%.


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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