WebElements Periodic Table of the Elements | Iron

Iron compounds: iron tribromide

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

Iron tribromide

Formula as often written: FeBr₃
Hill system formula: Br₃Fe₁
CAS registry number: [10031-26-2]
Formula weight: 295.557
Class: bromide

Synonyms

iron tribromide
iron(III) bromide
iron bromide

Physical properties

Colour: brownish red
Appearance: crystalline solid
Melting point: 200°C (decomposes)
Boiling point:
Density: 4500 kg m^-3

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Element analysis

Element percentages for the elements in iron tribromide
Element	%
Br	81.11
Fe	18.89

Synthesis

Not available

Solid state structure

Geometry of iron:
Prototypical structure:

Crystal structure of iron tribromide

Isotope pattern

What follows is the calculated isotope pattern for the FeBr₃ unit with the most intense ion set to 100%.

Formula: Fe₁Br₃

mass  %
291   2.0 _
292   0.0 
293  38.2 ___________________
294   0.8 
295 100.0 __________________________________________________
296   2.3 _
297  93.7 _______________________________________________
298   2.2 _
299  30.0 _______________
300   0.7 
301   0.1

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.