Ruthenium compounds: diruthenium nonacarbonyl

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The ruthenium in diruthenium nonacarbonyl formally is in the oxidation state 0.

Diruthenium nonacarbonyl

  • Formula as often written: Ru2(CO)9
  • Hill system formula: C9O9Ru2
  • CAS registry number: [63128-11-0]
  • Formula weight: 454.231
  • Class: carbonyl complex organometallic

Synonyms

  • diruthenium nonacarbonyl
  • ruthenium(O) carbonyl
  • ruthenium carbonyl
  • ruthenium nonacarbonyl

Physical properties

  • Colour:
  • Appearance: solid
  • Melting point: <25°C (decomposes)
  • Boiling point:
  • Density:

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Element analysis

Element percentages for the elements in diruthenium nonacarbonyl
Element %
C 23.80
O 31.70
Ru 44.50

Synthesis

This was first made by the photochemical irradiation of [Ru(CO)5] in heptane at -40°C. It is stable at low temperature but converts into [Ru3(CO)12] upon warming.

Isotope pattern

What follows is the calculated isotope pattern for the Ru2(CO)9 unit with the most intense ion set to 100%.

Formula: Ru2C9O9

mass  %
444   1.8 _
445 0.2
446 1.3 _
447 8.4 ____
448 9.3 _____
449 14.9 _______
450 34.5 _________________
451 26.3 _____________
452 57.0 ____________________________
453 78.6 _______________________________________
454 76.8 ______________________________________
455 100.0 __________________________________________________
456 97.6 _________________________________________________
457 48.6 ________________________
458 75.6 ______________________________________
459 8.3 ____
460 22.3 ___________
461 2.3 _
462 0.5
463 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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ruthenium atomic number