Tungsten hexabromide

Tungsten compounds: tungsten hexabromide

The tungsten in tungsten hexabromide formally is in the oxidation state 6.

Tungsten hexabromide

• Formula as often written: WBr₆
• Hill system formula: Br₆W₁
• CAS registry number: [13701-86-5]
• Formula weight: 663.264
• Class: bromide

Synonyms

• tungsten hexabromide
• tungsten(VI) bromide
• tungsten bromide

Physical properties

• Colour: dark-blue to black
• Appearance: crystalline solid
• Melting point: 309°C
• Boiling point: sublimes at 327
• Density:

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Element analysis

Element percentages for the elements in tungsten hexabromide

Element	%
Br	72.28
W	27.72

Synthesis

Not available

Solid state structure

• Geometry of tungsten: 6 coordinate: octahedral
• Prototypical structure:

Isotope pattern

What follows is the calculated isotope pattern for the WBr₆ unit with the most intense ion set to 100%.

Formula: W₁Br₆

mass  %
654   0.0 
655   0.0 
656   2.0 _
657   1.1 _
658  14.0 _______
659   6.3 ___
660  44.0 ______________________
661  15.3 ________
662  82.2 _________________________________________
663  19.9 __________
664 100.0 __________________________________________________
665  14.5 _______
666  81.2 _________________________________________
667   5.6 ___
668  42.8 _____________________
669   0.9 
670  13.2 _______
671   0.0 
672   1.8 _

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.

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Tungsten	Tungstène
Wolfram	Wolfraam
Tungsteno (wolframio)	Wolframio
Volfram	Tungstênio