Tungsten pentafluoride

Tungsten(V) fluoride
Tungsten(V) fluoride
Names
IUPAC names
Tungsten(V) fluoride
Tungsten pentafluoride
Identifiers
3D model (JSmol)
ChemSpider
  • InChI=1S/5FH.W/h5*1H;/q;;;;;+5/p-5
    Key: QHIRVZBLPRTQQO-UHFFFAOYSA-I
  • F[W](F)(F)(F)F
Properties
F5W
Molar mass 278.83 g·mol−1
Appearance yellow solid
Density 5.01 g/cm3
Melting point 66 °C (151 °F; 339 K)
Boiling point 215.6 °C (420.1 °F; 488.8 K)
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
oxidizer, hydrolyzes to release HF
Flash point Non-flammable
Related compounds
Related compounds
TaCl5
NbCl5
MoF5
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Tungsten(V) fluoride is an inorganic compound with the formula WF5. It is a hygroscopic yellow solid. Like most pentafluorides, it adopts a tetrameric structure, consisting of [WF5]4 molecules. In this way, each W center achieves octahedral coordination.[1]

  1. ^ Edwards, A. J. (1969). "Crystal Structure of tungsten pentafluoride". J. Chem. Soc. A: 909. doi:10.1039/J19690000909.