WebElements Periodic Table of the Elements | Hafnium

Hafnium compounds: hafnium disulphide

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

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.