WebElements Periodic Table of the Elements | Ruthenium

Ruthenium compounds: diruthenium nonacarbonyl

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:

Suppliers

Coming soon...

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.