Chlorine fluoride

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 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−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

External links

• National Pollutant Inventory - Fluoride compounds fact sheet
• NIST Standard Reference Database
• WebElements