text: It can be prepared by reacting carbon tetrachloride with hydrogen fluoride in the presence of a catalytic amount of antimony pentachloride:
  :CCl + 2HF  CClF + 2HCl
  This reaction can also produce trichlorofluoromethane (CClF), chlorotrifluoromethane (CClF) and tetrafluoromethane (CF).