Osmium compounds: osmium heptafluoride

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The osmium in osmium heptafluoride formally is in the oxidation state 7.

Osmium heptafluoride

  • Formula as often written: OsF7
  • Hill system formula: F7Os1
  • CAS registry number: [16949-69-2]
  • Formula weight: 323.219
  • Class: fluoride

Synonyms

  • osmium heptafluoride
  • osmium(VII) fluoride
  • osmium fluoride

Physical properties

  • Colour: yellow
  • Appearance:
  • Melting point: 358C ?
  • Boiling point:
  • Density:

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Element analysis

Element percentages for the elements in osmium heptafluoride
Element %
F 41.15
Os 58.85

Synthesis

Possibly erroneous report - may be OsF6 instead?

Isotope pattern

What follows is the calculated isotope pattern for the OsF7 unit with the most intense ion set to 100%.

Formula: Os1F7

mass  %
317   0.0 
318 0.0
319 3.9 __
320 3.9 __
321 32.4 ________________
322 39.3 ____________________
323 64.4 ________________________________
324 0.0
325 100.0 __________________________________________________

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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