Phosphorus pentafluoride

Phosphorus pentafluoride
Structure of the phosphorus pentafluoride molecule
Space-filling model of the phosphorus pentafluoride molecule
Names
IUPAC name
Phosphorus pentafluoride
Other names
Phosphorus(V) fluoride
Pentafluoridophosphorus
Pentafluorophosphorane
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.028.730 Edit this at Wikidata
EC Number
  • 231-602-3
RTECS number
  • TH4070000
UNII
UN number 2198
  • InChI=1S/F5P/c1-6(2,3,4)5 ☒N
    Key: OBCUTHMOOONNBS-UHFFFAOYSA-N ☒N
  • InChI=1/F5P/c1-6(2,3,4)5
    Key: OBCUTHMOOONNBS-UHFFFAOYAH
  • FP(F)(F)(F)F
Properties
PF5
Molar mass 125.965777813 g·mol−1
Appearance colourless gas
Odor unpleasant
Density 5.527 kg/m3
Melting point −93.78 °C (−136.80 °F; 179.37 K)
Boiling point −84.6 °C (−120.3 °F; 188.6 K)
Critical point (T, P) 19 °C (66.2 °F; 292.1 K), 33.9 standard atmospheres (3,430 kPa; 498 psi)
hydrolysis
Structure
trigonal bipyramidal
0 D
Hazards
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 otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)

Phosphorus pentafluoride, PF5, is a phosphorus halide. It is a colourless, toxic gas that fumes in air.[1][2]

  1. ^ Kwasnik, W. (1963). "Phosphorus(V) fluoride". In Brauer, G. (ed.). Handbook of Preparative Inorganic Chemistry. Vol. 1 (2nd ed.). New York: Academic Press. p. 190.
  2. ^ Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. ISBN 978-0-08-037941-8.