Osmium pentafluoride

Osmium pentafluoride

Identifiers
CAS Number	31576-40-6
3D model ( JSmol )	Interactive image
PubChem CID	15797581
InChI InChI=1S/5FH.Os/h5*1H;/q;;;;;+5/p-5 Key: RFWLPKSDISVSGM-UHFFFAOYSA-I
SMILES F[Os](F)(F)(F)F
Properties
Chemical formula	F5Os
Molar mass	285.22 g·mol−1
Appearance	blue-green solid
Melting point	70 °C (158 °F; 343 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Osmium pentafluoride is an inorganic compound with the formula OsF₅. It is a blue-green solid. Like the pentafluorides of Ru, Rh, and Ir, OsF₅ exists as a tetramer in the solid state.

Preparation

Osmium pentafluoride can be prepared by reduction of osmium hexafluoride with iodine as a solution in iodine pentafluoride:^[1]

10 OsF₆ + I₂ → 10 OsF₅ + 2 IF₅

References