Dioxygen monofluoride

Dioxygen monofluoride is a binary inorganic compound radical of fluorine and oxygen with the chemical formula O₂F.^[1][2][3] The compound is stable only at low temperature. This is one of many known oxygen fluorides.^[4]

Dioxygen monofluoride

Names
Other names (Fluoroperoxy)radical Fluoroperoxyl Fluorine superoxide Fluorodioxidanyl
Identifiers
CAS Number	15499-23-7 Y
3D model (JSmol)	Interactive image
ChemSpider	123417
PubChem CID	139943
CompTox Dashboard (EPA)	DTXSID50165779
InChI InChI=1S/FO2/c1-3-2 Key: GQRAHKRZRKCZPQ-UHFFFAOYSA-N
SMILES [O]OF
Properties
Chemical formula	FO2
Molar mass	50.996 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Synthesis

• Thermal decomposition of dioxygen difluoride:^[5]

O₂F₂ → F + O₂F

F + F → F₂

• Photolysis of F₂ and O₂ dilute in argon:

F₂ → 2F

F + O₂ → O₂F

Physical properties

Dioxygen monofluoride is a strong oxidizing agent, can be prepared in the coaxial reactor.^[6]