Actinium compounds: diactinium trisulphide

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The actinium in diactinium trisulphide formally is in the oxidation state 3.

Diactinium trisulphide

  • Formula as often written: Ac2S3
  • Hill system formula: Ac2S3
  • CAS registry number: [50647-18-2]
  • Formula weight: 550.254
  • Class: sulphide

Synonyms

  • diactinium trisulphide
  • actinium(III) sulfide
  • actinium sesquisulfide
  • actinium sesquisulfide
  • actinium sesquisulphide
  • actinium sulfide
  • actinium sulfide
  • actinium sulphide
  • actinium(III) sulfide
  • actinium(III) sulphide
  • diactinium trisulfide
  • diactinium trisulfide

Physical properties

  • Colour:
  • Appearance:
  • Melting point:
  • Boiling point:
  • Density: 6750 kg m-3

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Element analysis

Element percentages for the elements in diactinium trisulphide
Element %
Ac 82.52
S 17.48

Synthesis

Ac2O3 + 3H2S → Ac2S3 + 3H2O

Isotope pattern

What follows is the calculated isotope pattern for the Ac2S3 unit with the most intense ion set to 100%.

Formula: Ac2S3

mass  %
550 100.0 __________________________________________________
551 2.4 _
552 13.3 _______
553 0.2
554 0.7
555 0.0
556 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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actinium atomic number