WebElements Periodic Table of the Elements | Iridium

Iridium compounds: iridium tetrabromide

The iridium in iridium tetrabromide formally is in the oxidation state 4.

Iridium tetrabromide

Formula as often written: IrBr₄
Hill system formula: Br₄Ir₁
CAS registry number: [7789-64-2]
Formula weight: 511.833
Class: bromide

Synonyms

iridium tetrabromide
iridium(IV) bromide
iridium bromide

Physical properties

Colour:
Appearance: crystalline solid
Melting point: decomposes
Boiling point:
Density:

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Element analysis

Element percentages for the elements in iridium tetrabromide
Element	%
Br	62.45
Ir	37.55

Synthesis

identity not clear

Isotope pattern

What follows is the calculated isotope pattern for the IrBr₄ unit with the most intense ion set to 100%.

Formula: Ir₁Br₄

mass  %
507   7.6 ____
508   0.0 
509  42.1 _____________________
510   0.0 
511  92.4 ______________________________________________
512   0.0 
513 100.0 __________________________________________________
514   0.0 
515  53.6 ___________________________
516   0.0 
517  11.4 ______

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.