WebElements Periodic Table of the Elements | Ruthenium

Ruthenium compounds: ruthenium trichloride

The ruthenium in ruthenium trichloride formally is in the oxidation state 3.

Ruthenium trichloride

Formula as often written: RuCl₃
Hill system formula: Cl₃Ru₁
CAS registry number: [10049-08-8]
Formula weight: 207.428
Class: chloride

Synonyms

ruthenium trichloride
ruthenium(III) chloride
ruthenium chloride
ruthenium chloride (hexagonal)

Physical properties

Colour: black (alpha form); dark-brown (beta form)
Appearance: crystalline solid
Melting point: >500°C (decomposes)
Boiling point:
Density: 3100 kg m^-3

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Element analysis

Element percentages for the elements in ruthenium trichloride
Element	%
Cl	51.27
Ru	48.73

Synthesis

Not available

Solid state structure

Geometry of ruthenium:
Prototypical structure:

Crystal structure of ruthenium trichloride

Isotope pattern

What follows is the calculated isotope pattern for the RuCl₃ unit with the most intense ion set to 100%.

Formula: Ru₁Cl₃

mass  %
201  10.4 _____
202   0.0 
203  13.6 _______
204  24.0 ____________
205  30.4 _______________
206  55.1 ____________________________
207  84.0 __________________________________________
208  38.2 ___________________
209 100.0 __________________________________________________
210  10.6 _____
211  53.0 __________________________
212   1.0 
213  12.8 ______
214   0.0 
215   1.2 _

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.