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Silicon compounds: silicon sulphide
The silicon in silicon sulphide formally is in the oxidation state 4.

Silicon sulphide
- Formula as often written: SiS2
- Hill system formula: S2Si1
- CAS registry number: [13759-10-9]
- Formula weight: 92.218
- Class: sulphide
Synonyms
- silicon sulphide
- silicon(IV) disulphide
- silicon sulfide
- silicon sulfide
- silicon sulphide
- silicon(IV) disulfide
Physical properties
- Colour: white or gray
- Appearance: crystalline solid
- Melting point: 1090°C (decomposes)
- Boiling point: 1250°C
- Density: 2000 kg m-3
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Element analysis
Element percentages for the elements in silicon sulphide
| Element |
% |
| S |
69.54 |
| Si |
30.46 |
Synthesis
Not available
Solid state structure
- Geometry of silicon: 4 coordinate: tetrahedral
- Prototypical structure:

Isotope pattern
What follows is the calculated isotope pattern for the SiS2 unit with the most intense ion set to 100%.
Formula: Si1S2
mass %
92 100.0 __________________________________________________ 93 6.6 ___ 94 12.3 ______ 95 0.6 96 0.5 97 0.0 98 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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