Hexaoxygen difluoride

Hexaoxygen difluoride is a binary inorganic compound of fluorine and oxygen with the chemical formula O₆F₂.^[1][2] The compound is one of many known oxygen fluorides.^[3]

Hexaoxygen difluoride

Identifiers
CAS Number	12191-80-9 Y
3D model (JSmol)	Interactive image
InChI InChI=1S/F2O6/c1-3-5-7-8-6-4-2 Key: PHJAHINOOJESQK-UHFFFAOYSA-N
SMILES FOOOOOOF
Properties
Chemical formula	F2O6
Molar mass	133.991 g·mol−1
Appearance	dark-brown solid at 60 K
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Synthesis

The compound can be prepared by electric discharges through the F₂—O₂ mixture of the certain molar ratio at 60 to 77 K. The ratio is predicted to be 6:2.^[4]

Physical properties

Hexaoxygen difluoride is an oxidizing agent. At 60 K, the compound looks like a dark-brown crystalline solid. If slowly warmed, it decomposes to lower oxygen fluorides and ozone. If quickly warmed to 90 K, it explodes, creating O₂ and F₂.^[4]