Uranium compounds: uranium diselenide

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

Crystal structure of uranium diselenide

Uranium diselenide

  • Formula as often written: USe2
  • Hill system formula: Se2U1
  • CAS registry number: [12138-21-5]
  • Formula weight: 395.949
  • Class: selenide

Synonyms

  • uranium diselenide
  • uranium(IV) selenide
  • uranium selenide

Physical properties

  • Colour: black
  • Appearance: crystalline solid
  • Melting point: 1460°C
  • Boiling point:
  • Density:

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Element analysis

Element percentages for the elements in uranium diselenide
Element %
Se 39.88
U 60.12

Synthesis

Not available

Solid state structure

  • Geometry of uranium:
  • Prototypical structure:

Crystal structure of uranium diselenide

Isotope pattern

What follows is the calculated isotope pattern for the USe2 unit with the most intense ion set to 100%.

Formula: U1Se2

mass  %
386   0.0 
387 0.0
388 0.6
389 0.2
390 4.3 __
391 0.8
392 17.8 _________
393 1.9 _
394 50.6 _________________________
395 3.3 __
396 86.5 ___________________________________________
397 0.7
398 100.0 __________________________________________________
399 0.0
400 31.5 ________________
401 0.0
402 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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