WebElements Periodic Table of the Elements | Ruthenium

Ruthenium compounds: ruthenium tribromide

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

Ruthenium tribromide

Formula as often written: RuBr₃
Hill system formula: Br₃Ru₁
CAS registry number: [14014-88-1]
Formula weight: 340.782
Class: bromide

Synonyms

ruthenium tribromide
ruthenium(III) bromide
ruthenium bromide

Physical properties

Colour: dark brown to black
Appearance: crystalline solid
Melting point: >400°C; 500°C (decomposes)
Boiling point:
Density: 5300 kg m^-3

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Element analysis

Element percentages for the elements in ruthenium tribromide
Element	%
Br	70.34
Ru	29.66

Synthesis

Not available

Solid state structure

Geometry of ruthenium:
Prototypical structure:

Crystal structure of ruthenium tribromide

Isotope pattern

What follows is the calculated isotope pattern for the RuBr₃ unit with the most intense ion set to 100%.

Formula: Ru₁Br₃

mass  %
333   3.5 __
334   0.0 
335  11.5 ______
336   8.1 ____
337  21.7 ___________
338  34.7 _________________
339  50.5 _________________________
340  55.0 ____________________________
341  95.2 ________________________________________________
342  38.5 ___________________
343 100.0 __________________________________________________
344  10.0 _____
345  52.7 __________________________
346   0.0 
347  11.0 ______

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.