Caesium compounds: dicaesium heptasulphide

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The caesium in dicaesium heptasulphide formally is in the oxidation state 1.

Dicaesium heptasulphide

  • Formula as often written: Cs2S7
  • Hill system formula: Cs2S7
  • CAS registry number: [72381-55-6]
  • Formula weight: 490.273
  • Class: sulphide

Synonyms

  • dicaesium heptasulphide
  • caesium(I) persulphide
  • caesium persulfide
  • caesium persulphide
  • caesium(I) persulfide
  • cesium persulfide
  • cesium persulphide
  • cesium(I) persulfide
  • cesium(I) persulphide
  • dicaesium heptasulfide
  • dicaesium persulfide
  • dicaesium persulphide
  • dicesium heptasulfide
  • dicesium heptasulphide
  • dicesium persulfide
  • dicesium persulphide

Physical properties

  • Colour:
  • Appearance:
  • Melting point:
  • Boiling point:
  • Density:

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Element analysis

Element percentages for the elements in dicaesium heptasulphide
Element %
Cs 54.22
S 45.78

Synthesis

Not available

Isotope pattern

What follows is the calculated isotope pattern for the Cs2S7 unit with the most intense ion set to 100%.

Formula: Cs2S7

mass  %
490 100.0 __________________________________________________
491 5.5 ___
492 31.1 ________________
493 1.5 _
494 4.3 __
495 0.2
496 0.3
497 0.0
498 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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caesium atomic number