Osmium(IV) fluoride

Osmium(IV) fluoride is an inorganic chemical compound of osmium metal and fluorine with the chemical formula OsF₄.^[1][2]

Osmium(IV) fluoride

Names
Other names Osmium tetrafluoride
Identifiers
CAS Number	54120-05-7
3D model (JSmol)	Interactive image
PubChem CID	101946458
InChI InChI=CSRXPKRQTCTNOE-UHFFFAOYSA-J Key: 1S/4FH.Os/h4*1H;/q;;;;+4/p-4
SMILES [F-].[F-].[F-].[F-].[Os+4]
Properties
Chemical formula	F4Os
Molar mass	266.22 g·mol−1
Appearance	yellow crystals
Melting point	230 °C (446 °F; 503 K)
Solubility in water	reacts with water
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Synthesis

Passing fluorine over heated osmium at 280 °C:

Os + 2F₂ → OsF₄

Reaction products can be contaminated with other osmium fluorides.

Physical properties

Osmium(IV) fluoride compound forms yellow hygroscopic crystals.

Chemical properties

Osmium(IV) fluoride reacts with water.^[3]

OsF₄ + 2H₂O → OsO₂ + 4HF