Chromium(IV) fluoride

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Chromium(IV) fluoride
Names
IUPAC name
Chromium(IV) fluoride
Other names
Chromium fluoride, Chromium tetrafluoride
Identifiers
10049-11-3
Jmol 3D model Interactive image
PubChem 57346073
  • InChI=1S/Cr.4FH/h;4*1H/q+4;;;;/p-4
    Key: SYJRAUIOIRVQSW-UHFFFAOYSA-J
  • [Cr+4].[F-].[F-].[F-].[F-]
Properties
CrF4
Molar mass 291.71 g/mol
Appearance green crystals,[1] amorphous brown beads[2]
Density 2.89 g/cm3[1]
Melting point 277 °C (531 °F; 550 K)[1]
Boiling point ~ 400 °C (752 °F; 673 K)[2]
reacts with water[1]
Vapor pressure {{{value}}}
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Chromium(IV) fluoride is an inorganic compound with the chemical formula CrF4.

Synthesis

Powdered chromium or CrCl3 is exposed to fluorine gas at a temperature of 350-500 °C, which creates a mix of CrF4 and CrF5. The CrF4 settles out as varnish-like brown beads upon cooling.[2]

References

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  1. ↑ 1.0 1.1 1.2 1.3 Lua error in package.lua at line 80: module 'strict' not found.
  2. ↑ 2.0 2.1 2.2 Lua error in package.lua at line 80: module 'strict' not found.
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