Chromium compounds: chromium hexafluoride

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The chromium in chromium hexafluoride formally is in the oxidation state 6.

Chromium hexafluoride

  • Formula as often written: CrF6
  • Hill system formula: Cr1F6
  • CAS registry number: [13843-28-2]
  • Formula weight: 165.987
  • Class: fluoride

Synonyms

  • chromium hexafluoride
  • chromium(VI) fluoride
  • chromium fluoride

Physical properties

  • Colour: yellow
  • Appearance: crystalline solid
  • Melting point: -100°C (decomposes)
  • Boiling point:
  • Density:

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Element analysis

Element percentages for the elements in chromium hexafluoride
Element %
Cr 31.33
F 68.67

Synthesis

CrF6 is only stable at low temperatures (below -100°C)

Isotope pattern

What follows is the calculated isotope pattern for the CrF6 unit with the most intense ion set to 100%.

Formula: Cr1F6

mass  %
164   5.2 ___
165 0.0
166 100.0 __________________________________________________
167 11.3 ______
168 2.8 _

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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