Selenium compounds: diselenium hexasulphide

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The selenium in diselenium hexasulphide formally is in the oxidation state 6.

Diselenium hexasulphide

  • Formula as often written: Se2S6
  • Hill system formula: S6Se2
  • CAS registry number: [75926-26-0]
  • Formula weight: 350.316
  • Class: sulphide

Synonyms

  • diselenium hexasulphide
  • selenium hexasulphide
  • diselenium hexasulfide
  • selenium hexasulfide
  • selenium sulfide
  • selenium sulphide
  • selenium trisulfide
  • selenium trisulphide

Physical properties

  • Colour: orange
  • Appearance: crystalline solid
  • Melting point: 122°C
  • Boiling point:
  • Density: 2440 kg m-3

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Element analysis

Element percentages for the elements in diselenium hexasulphide
Element %
S 54.92
Se 45.08

Synthesis

Not available

Isotope pattern

What follows is the calculated isotope pattern for the Se2S6 unit with the most intense ion set to 100%.

Formula: Se2S6

mass  %
340   0.0 
341 0.0
342 0.4
343 0.1
344 3.5 __
345 0.6
346 15.2 ________
347 1.8 _
348 44.5 ______________________
349 4.4 __
350 80.7 ________________________________________
351 4.7 __
352 100.0 __________________________________________________
353 4.7 __
354 48.9 ________________________
355 2.1 _
356 11.7 ______
357 0.5
358 1.6 _
359 0.0
360 0.1
361 0.0
362 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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