Uranium: uranium trichloride

uranium trichloride is known by the following synonyms:

  • uranium trichloride
  • uranium(III) chloride
  • uranium chloride

The oxidation number of uranium in uranium trichloride is 3.

  • Formula: UCl3
  • Hill system formula: Cl3U1
  • CAS registry number: [10025-93-1]
  • Formula weight: 344.387
  • Class: chloride
  • Colour: green
  • Appearance: crystalline solid
  • Melting point: 837°C
  • Boiling point: 1657
  • Density: 5500 kg m-3

Synthesis

Not available

Solid state structure

  • Geometry of uranium: 9 coordinate: tricapped trigonal prismatic
  • Prototypical structure:

Crystal structure of uranium trichloride

Element analysis

Element percentages in uranium trichloride
Element %
Cl 30.88
U 69.12

Isotope pattern for UCl3

THe chart below shows the calculated isotope pattern for the formula UCl3 with the most intense ion set to 100%.

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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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