Phosphorus pentafluoride

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Phosphorus pentafluoride
Phosphorus-pentafluoride-2D-dimensions.png
Phosphorus-pentafluoride-3D-vdW.png
IUPAC name Phosphorus pentafluoride
Other names Phosphorus(V) fluoride
Pentafluoridophosphorus
Pentafluorophosphorane
Identifiers
CAS number 7647-19-0
PubChem 24295
RTECS number TH4070000
Properties
Molecular formula PF5
Molar mass 125.96577 g/mol
Appearance colourless gas
Density 5.527 g/cm3
Melting point

-93.78 °C, 179 K, -137 °F

Boiling point

-84.6 °C, 189 K, -120 °F

Solubility in water hydrolysis
Structure
Molecular shape trigonal bipyramidal
Dipole moment 0 D
Hazards
EU Index Not listed
Flash point Non-flammable
Related compounds
Other anions Phosphorus pentachloride
Phosphorus pentabromide
Phosphorus pentaiodide
Other cations Arsenic pentafluoride
Antimony pentafluoride
Bismuth pentafluoride
Related compounds Phosphorus trifluoride
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)

Phosphorus pentafluoride, PF5, is a phosphorus halide. It's a colorless gas at room temperature and pressure. It can be formed when OF2 reacts with phosphorus.