Scandium compounds: discandium trisulphide

scandium symbol icon

The scandium in discandium trisulphide formally is in the oxidation state 3.

Crystal structure of discandium trisulphide

Discandium trisulphide

  • Formula as often written: Sc2S3
  • Hill system formula: S3Sc2
  • CAS registry number: [12166-29-9]
  • Formula weight: 186.11
  • Class: sulphide

Synonyms

  • discandium trisulphide
  • scandium(III) sulphide
  • discandium trisulfide
  • scandium sulfide
  • scandium sulphide
  • scandium(III) sulfide

Physical properties

  • Colour: yellow
  • Appearance: crystalline solid
  • Melting point: 1775°C
  • Boiling point:
  • Density: 2910 kg m-3

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Element analysis

Element percentages for the elements in discandium trisulphide
Element %
S 51.69
Sc 48.31

Synthesis

Not available

Solid state structure

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

Crystal structure of discandium trisulphide

Isotope pattern

What follows is the calculated isotope pattern for the Sc2S3 unit with the most intense ion set to 100%.

Formula: Sc2S3

mass  %
186 100.0 __________________________________________________
187 2.4 _
188 13.3 _______
189 0.2
190 0.7
191 0.0
192 0.0

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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scandium atomic number