Selenium compounds: tetraselenium hexadecachloride

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The selenium in tetraselenium hexadecachloride formally is in the oxidation state 4.

Crystal structure of tetraselenium hexadecachloride

Tetraselenium hexadecachloride

  • Formula as often written: [SeCl4]4
  • Hill system formula: Cl16Se4
  • CAS registry number: [10026-03-6]
  • Formula weight: 883.083
  • Class: chloride

Synonyms

  • tetraselenium hexadecachloride
  • selenium(IV) chloride
  • selenium chloride
  • selenium tetrachloride

Physical properties

  • Colour: white
  • Appearance: crystalline solid
  • Melting point: 305°C
  • Boiling point: 196°C
  • Density: 2600 kg m-3

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Element analysis

Element percentages for the elements in tetraselenium hexadecachloride
Element %
Cl 64.23
Se 35.77

Synthesis

Not available

Solid state structure

  • Geometry of selenium:
  • Prototypical structure:

Crystal structure of tetraselenium hexadecachloride

Isotope pattern

What follows is the calculated isotope pattern for the [SeCl4]4 unit with the most intense ion set to 100%.

Formula: Se4Cl16

mass  %
862   0.0 
863 0.0
864 0.0
865 0.0
866 0.0
867 0.0
868 0.2
869 0.0
870 0.8
871 0.1
872 2.9 _
873 0.4
874 8.1 ____
875 0.9
876 19.0 __________
877 1.7 _
878 37.4 ___________________
879 2.6 _
880 61.9 _______________________________
881 3.4 __
882 86.0 ___________________________________________
883 3.5 __
884 100.0 __________________________________________________
885 3.0 __
886 97.4 _________________________________________________
887 2.1 _
888 79.5 ________________________________________
889 1.2 _
890 54.4 ___________________________
891 0.6
892 31.3 ________________
893 0.2
894 15.2 ________
895 0.1
896 6.2 ___
897 0.0
898 2.1 _
899 0.0
900 0.6
901 0.0
902 0.2
903 0.0
904 0.0
905 0.0
906 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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