Iridium compounds: hydridocarbonyltris(triphenylphosphine) iridium

iridium symbol icon

The iridium in hydridocarbonyltris(triphenylphosphine) iridium formally is in the oxidation state 1.

Hydridocarbonyltris(triphenylphosphine) iridium

  • Formula as often written: IrH(CO)(PPh3)3
  • Hill system formula: C55H46Ir1O1P3
  • CAS registry number: [17250-25-8]
  • Formula weight: 1008.091
  • Class: complex organometallic


  • hydridocarbonyltris(triphenylphosphine) iridium
  • hydridocarbonyltris(triphenylphosphine) iridium(I)
  • carbonyltris(triphenylphosphine) iridium(I) hydride

Physical properties

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


Coming soon...

Element analysis

Element percentages for the elements in hydridocarbonyltris(triphenylphosphine) iridium
Element %
C 65.53
H 4.60
Ir 19.07
O 1.59
P 9.22


Not available

Isotope pattern

What follows is the calculated isotope pattern for the IrH(CO)(PPh3)3 unit with the most intense ion set to 100%.

Formula: Ir1H46C55O1P3

mass  %
1006  53.5 ___________________________
1007 33.0 ________________
1008 100.0 __________________________________________________
1009 57.5 _____________________________
1010 17.3 _________
1011 3.5 __
1012 0.5
1013 0.1


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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iridium atomic number