A chlorine fluoride is an interhalogen compound containing only chlorine and fluorine.

  ClF ClF3 ClF5
Systematic name Chlorine monofluoride Chlorine trifluoride Chlorine pentafluoride
Molar mass 54.45 g/mol 92.45 g/mol 130.45 g/mol
CAS number 7790-89-8 7790-91-2 13637-63-3
Melting point −155.6 °C −76.3 °C −103 °C
Boiling point −100 °C 11.8 °C −13.1 °C
Standard enthalpy
of formation
Δfgas
−50.29 kJ/mol −158.87 kJ/mol −238.49 kJ/mol
Standard molar entropy
gas
217.91 J·K−1·mol−1 281.59 J·K−1·mol−1 310.73 J·K−1·mol−1
Heat capacity Cp 33.01 J·K−1·mol−1 60.40 J·K−1·mol−1 89.16 J·K−1·mol−1
edit