Thorium compounds: thorium diselenide

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The thorium in thorium diselenide formally is in the oxidation state 4.

Crystal structure of thorium diselenide

Thorium diselenide

  • Formula as often written: ThSe2
  • Hill system formula: Se2Th1
  • CAS registry number: [60763-24-8]
  • Formula weight: 389.958
  • Class: selenide

Synonyms

  • thorium diselenide
  • thorium(IV) selenide
  • thorium selenide

Physical properties

  • Colour:
  • Appearance: crystalline solid
  • Melting point:
  • Boiling point:
  • Density: 8500 kg m-3

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Element analysis

Element percentages for the elements in thorium diselenide
Element %
Se 40.50
Th 59.50

Synthesis

Not available

Solid state structure

  • Geometry of thorium:
  • Prototypical structure:

Crystal structure of thorium diselenide

Isotope pattern

What follows is the calculated isotope pattern for the ThSe2 unit with the most intense ion set to 100%.

Formula: Th1Se2

mass  %
380   0.0 
381 0.0
382 0.6
383 0.1
384 4.3 __
385 0.5
386 17.7 _________
387 1.2 _
388 50.6 _________________________
389 2.6 _
390 86.5 ___________________________________________
391 0.5
392 100.0 __________________________________________________
393 0.0
394 31.5 ________________
395 0.0
396 2.9 _

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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thorium atomic number