Scandium monosulfide

Chemical compound From Wikipedia, the free encyclopedia

Scandium monosulfide

Scandium monosulfide is a chemical compound of scandium and sulfur with the chemical formula ScS. Although its formula might suggest that it is a compound of scandium(II), i.e. [Sc2+][S2−], ScS is probably more realistically described as a pseudo-ionic compound, containing [Sc3+][S2−], with the remaining electron occupying the conduction band of the solid.[1]

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Scandium monosulfide
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Scandium monosulfide
Identifiers
3D model (JSmol)
  • InChI=1S/S.Sc
    Key: SWQYMBDZKRJOCX-UHFFFAOYSA-N
  • [Sc+3].[S-2]
Properties
SSc
Molar mass 77.02 g·mol−1
Appearance gold-coloured solid[1]
Structure
cubic
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Structure

Scandium monosulfide adopts the sodium chloride crystal structure type.[1]

Synthesis

Scandium monosulfide can be prepared by heating a mixture of scandium metal and powdered sulfur in the absence of air to 1150 °C for 70 hours.[1]

Sc + S → ScS

References

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