Hafnium compounds: hafnium disulphide

hafnium symbol icon

The hafnium in hafnium disulphide formally is in the oxidation state 4.

Crystal structure of hafnium disulphide

Hafnium disulphide

  • Formula as often written: HfS2
  • Hill system formula: Hf1S2
  • CAS registry number: [18855-94-2]
  • Formula weight: 242.622
  • Class: sulphide

Synonyms

  • hafnium disulphide
  • hafnium(IV) sulphide
  • hafnium disulfide
  • hafnium sulfide
  • hafnium sulphide
  • hafnium(IV) sulfide

Physical properties

  • Colour: purple-brown
  • Appearance: crystalline solid
  • Melting point:
  • Boiling point:
  • Density: 6000 kg m-3

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Element analysis

Element percentages for the elements in hafnium disulphide
Element %
Hf 73.57
S 26.43

Synthesis

Not available

Solid state structure

  • Geometry of hafnium:
  • Prototypical structure:

Crystal structure of hafnium disulphide

Isotope pattern

What follows is the calculated isotope pattern for the HfS2 unit with the most intense ion set to 100%.

Formula: Hf1S2

mass  %
238   0.4 
239 0.0
240 13.8 _______
241 49.5 _________________________
242 74.3 _____________________________________
243 41.6 _____________________
244 100.0 __________________________________________________
245 4.8 __
246 8.4 ____
247 0.2
248 0.2

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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hafnium atomic number