Zirconium difluoride

Zirconium difluoride
Names
IUPAC name
difluorozirconium
Other names
Zirconium(II) fluoride
Identifiers
3D model (JSmol)
ChemSpider
UNII
  • InChI=1S/2FH.Zr/h2*1H;/q;;+2/p-2
    Key: COSHNDIHSFYGTR-UHFFFAOYSA-L
  • F[Zr]F
Properties
ZrF2
Appearance black crystals
Density 3.6 g/cm3
Melting point 902
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Zirconium difluoride is an inorganic chemical compound with the chemical formula ZrF2.[1][2]

Synthesis

Zirconium difluoride can be prepared by the action of atomic hydrogen on thin layers of zirconium tetrafluoride, at a temperature of approximately 350°C.[3][4]

Physical properties

ZrF2 forms black crystals of the orthorhombic system, with unit cell parameters a = 0.409 nm, b = 0.491 nm, c = 0.656 nm.[3]

The compound readily ignites and burns to form zirconium dioxide.[3]

Chemical properties

ZrF2 disproportionates when heated to 800 °C:[3]

2ZrF2 → ZrF4 + Zr

References

  1. ^ Meshri, Dayal T. (26 January 2001). "Fluorine Compounds, Inorganic, Zirconium". ECT. Wiley. doi:10.1002/0471238961.2609180313051908.a01. ISBN 978-0-471-48494-3. Retrieved 22 July 2024.
  2. ^ Hawkins, Donald T. (6 December 2012). Binary Fluorides: Free Molecular Structures and Force Fields A Bibliography (1957–1975). Springer Science & Business Media. p. 77. ISBN 978-1-4684-6147-3. Retrieved 22 July 2024.
  3. ^ a b c d McTaggart, F. K.; Turnbull, A. G. (1964). "Zirconium difluoride". Australian Journal of Chemistry. 17 (7): 727–730. doi:10.1071/ch9640727. ISSN 1445-0038. Retrieved 19 July 2024.
  4. ^ Haupt, Axel (22 March 2021). Organic and Inorganic Fluorine Chemistry: Methods and Applications. Walter de Gruyter GmbH & Co KG. ISBN 978-3-11-065950-4. Retrieved 22 July 2024.


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