Chlorine fluoride

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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/mol92.45 g/mol130.45 g/mol
CAS number 7790-89-8 [1] 7790-91-2 [2] 13637-63-3 [3]
Melting point −155.6 °C−76.3 °C−103 °C
Boiling point −100 °C11.8 °C−13.1 °C
Standard enthalpy
of formation ΔfH°gas		−50.29 kJ/mol−158.87 kJ/mol−238.49 kJ/mol
Standard molar entropy
S°gas		217.91 J·K−1·mol−1281.59 J·K−1·mol−1310.73 J·K−1·mol−1
Heat capacity Cp33.01 J·K−1·mol−160.40 J·K−1·mol−189.16 J·K−1·mol−1

References

  1. ↑ "Chlorine fluoride (ClF)". CAS Common Chemistry.
  2. ↑ "Chlorine trifluoride". CAS Common Chemistry.
  3. ↑ "Chlorine fluoride (ClF5)". CAS Common Chemistry.
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