WebElements Periodic Table of the Elements | Osmium

Osmium compounds: osmium heptafluoride

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.