WebElements Periodic Table of the Elements | Tungsten

Tungsten compounds: tungsten pentabromide

The tungsten in tungsten pentabromide formally is in the oxidation state 5.

Tungsten pentabromide

Formula as often written: WBr₅
Hill system formula: Br₅W₁
CAS registry number: [13470-11-6]
Formula weight: 583.36
Class: bromide

Synonyms

tungsten pentabromide
tungsten(V) bromide
tungsten bromide

Physical properties

Colour: black or brown-black
Appearance: crystalline solid
Melting point: 286°C
Boiling point: 333°C
Density:

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Element analysis

Element percentages for the elements in tungsten pentabromide
Element	%
Br	68.49
W	31.51

Synthesis

Not available

Solid state structure

Geometry of tungsten:
Prototypical structure:

Crystal structure of tungsten pentabromide

Isotope pattern

What follows is the calculated isotope pattern for the WBr₅ unit with the most intense ion set to 100%.

Formula: W₁Br₅

mass  %
575   0.0 
576   0.0 
577   4.0 __
578   2.1 _
579  23.8 ____________
580  10.4 _____
581  63.7 ________________________________
582  20.1 __________
583 100.0 __________________________________________________
584  19.6 __________
585  99.8 __________________________________________________
586   9.5 _____
587  63.0 ________________________________
588   1.9 _
589  23.0 ____________
590   0.0 
591   3.7 __

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.