Selenium hexafluoride

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Selenium hexafluoride
IUPAC name selenium hexafluoride,
Other names selenium(VI) fluoride, selenium fluoride
Identifiers
CAS number [7783-79-1]
Properties
Molecular formula SeF6
Molar mass 192.9534 g/mol
Appearance colourless gas
Melting point

−35 °C (2 atm)
Thermochemistry
Std enthalpy of
formation ΔfHo298		 1030 kJ/mol[1]
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)
Infobox disclaimer and references

Selenium hexafluoride is the chemical compound of formula SeF6. It is a colourless gas. It can be prepared from the elements or by the reaction of bromine trifluoride, BrF3 and selenium dioxide. It is similar to sulfur hexafluoride, as it is octahedral (Se-F bond length 168.8pm, and under normal conditions is inert to water.[1] The gas can be passed through 10% NaOH or KOH without change.[2]

[edit] References

  1. ^ a b Inorganic Chemistry,Egon Wiberg, Arnold Frederick Holleman Elsevier 2001 ISBN 0123526515
  2. ^ Krebs B, Bonmann S, Eidenschink I. Selenium-Inorganic Chemistry Encyclopedia of Inorganic Chemistry Ed. R. Bruce King (1994) John wiley & Sons ISBN 0 471 93620 0
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