Tungsten compounds: tungsten dichloride

tungsten symbol icon

The tungsten in tungsten dichloride formally is in the oxidation state 2.

Tungsten dichloride

  • Formula as often written: WCl2
  • Hill system formula: Cl2W1
  • CAS registry number: [13470-12-7]
  • Formula weight: 254.745
  • Class: chloride

Synonyms

  • tungsten dichloride
  • tungsten(II) chloride
  • tungsten chloride

Physical properties

  • Colour: yellow
  • Appearance: crystalline solid
  • Melting point: 500°C (decomposes to W + WCl4)
  • Boiling point:
  • Density:

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Element analysis

Element percentages for the elements in tungsten dichloride
Element %
Cl 27.83
W 72.17

Synthesis

Not available

Isotope pattern

What follows is the calculated isotope pattern for the WCl2 unit with the most intense ion set to 100%.

Formula: W1Cl2

mass  %
250   0.3 
251 0.0
252 51.8 __________________________
253 28.1 ______________
254 93.3 _______________________________________________
255 18.0 _________
256 100.0 __________________________________________________
257 2.9 _
258 42.1 _____________________
259 0.0
260 5.7 ___

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.

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tungsten atomic number