Osmium_heptafluoride

Osmium heptafluoride

Osmium heptafluoride

Chemical compound

Osmium heptafluoride is an inorganic chemical compound of osmium metal and fluorine with the chemical formula OsF
7.[2][3] It was first reported in 1966 by the reaction of fluorine and osmium at 600 °C and 400 atm,[4] but later experiments can’t reproduce this compound.[5]

Quick Facts Names, Identifiers ...

Physical properties

Osmium(VII) fluoride forms a bluish-yellow hygroscopic substance, extremely unstable.[6] The compound starts decomposing at –100 °C. It should be stored in a nickel vessel at the temperature of liquid nitrogen.

Chemical properties

Osmium heptafluoride decomposes to osmium hexafluoride when slightly heated:

2OsF7  → 2OsF6 + F2

References

  1. [1]
    Bayerische Julius-Maximilians-Universität Würzburg (2006). The Highest Oxidation States of the 5d Transition Metals: a Quantum-Chemical Study (PDF) (Report). Chemical Society. Retrieved 2011-06-20.
  2. [2]
    "WebElements Periodic Table » Osmium » osmium heptafluoride". webelements.com. Retrieved 19 April 2023.
  3. [3]
    Hawkins, Donald T. (6 December 2012). Binary Fluorides: Free Molecular Structures and Force Fields A Bibliography (1957–1975). Springer Science & Business Media. p. 42. ISBN 978-1-4684-6147-3. Retrieved 19 April 2023.
  4. [4]
    Glemser, Oskar; Roesky, Herbert W.; Hellberg, Karl-Heinz; Werther, Heinz-Ulrich (1966). "Darstellung und Eigenschaften von Osmiumheptafluorid". Chemische Berichte. 99 (8). Wiley: 2652–2662. doi:10.1002/cber.19660990834. ISSN 0009-2940.
  5. [5]
    Shorafa, Hashem; Seppelt, Konrad (1 September 2006). "Osmium(VII) Fluorine Compounds". Inorganic Chemistry. 45 (19): 7929–7934. doi:10.1021/ic0608290. PMID 16961386.
  6. [6]
    Edwards, A. J. (1 November 1983). "Structures of the binary fluorides". Advances in Inorganic Chemistry. 27. Academic Press: 108. ISBN 9780080578767. Retrieved 19 April 2023.
Stub icon

This inorganic compound–related article is a stub. You can help Wikipedia by expanding it.
Share this article:

This article uses material from the Wikipedia article Osmium_heptafluoride, and is written by contributors. Text is available under a CC BY-SA 4.0 International License; additional terms may apply. Images, videos and audio are available under their respective licenses.