Tungsten compounds: tungsten ditelluride

tungsten symbol icon

The tungsten in tungsten ditelluride formally is in the oxidation state 4.

Crystal structure of tungsten ditelluride

Tungsten ditelluride

  • Formula as often written: WTe2
  • Hill system formula: Te2W1
  • CAS registry number: [12067-76-4]
  • Formula weight: 439.04
  • Class: telluride

Synonyms

  • tungsten ditelluride
  • tungsten(IV) telluride
  • tungsten telluride

Physical properties

  • Colour: grey
  • Appearance: crystalline solid
  • Melting point: 1020°C
  • Boiling point:
  • Density: 9430 kg m-3

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Element analysis

Element percentages for the elements in tungsten ditelluride
Element %
Te 58.13
W 41.87

Synthesis

Not available

Solid state structure

  • Geometry of tungsten:
  • Prototypical structure:

Crystal structure of tungsten ditelluride

Isotope pattern

What follows is the calculated isotope pattern for the WTe2 unit with the most intense ion set to 100%.

Formula: W1Te2

mass  %
424   0.0 
425 0.0
426 0.1
427 0.2
428 0.7
429 1.1 _
430 3.3 __
431 3.7 __
432 10.2 _____
433 11.1 ______
434 25.5 _____________
435 22.7 ___________
436 50.0 _________________________
437 35.1 __________________
438 81.1 _________________________________________
439 36.5 __________________
440 100.0 __________________________________________________
441 26.1 _____________
442 94.6 _______________________________________________
443 9.6 _____
444 56.6 ____________________________
445 0.0
446 19.2 __________

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