Tetrahalomethane
Tetrahalomethanes are fully halogenated methane derivatives of general formula CFkCllBrmInAtp, where:Tetrahalomethanes are on the border of inorganic and organic chemistry, thus they can be assigned both inorganic and organic names by IUPAC: tetrafluoromethane - carbon tetrafluoride, tetraiodomethane - carbon tetraiodide, dichlorodifluoromethane - carbon dichloride difluoride.
Each halogen (F, Cl, Br, I, At) forms a corresponding halomethane, but their stability decreases in order CF4 > CCl4 > CBr4 > CI4 from exceptionally stable gaseous tetrafluoromethane with bond energy 515 kJ·mol−1 to solid tetraiodomethane, depending on bond energy.
Many mixed halomethanes are also known, such as CBrClF2.
Uses
Fluorine, chlorine, and sometimes bromine-substituted halomethanes were used as refrigerants, commonly known as CFCs (chlorofluorocarbons).
See also
- v
- t
- e
- CH4
- CH3F
- CH3Cl
- CH3Br
- CH3I
- CH3At
- CH2F2
- CH2ClF
- CH2BrF
- CH2FI
- CH2Cl2
- CH2BrCl
- CH2ClI
- CH2Br2
- CH2BrI
- CH2I2
- CHF3
- CHClF2
- CHBrF2
- CHF2I
- CHCl2F
- C*HBrClF
- C*HClFI
- CHBr2F
- C*HBrFI
- CHFI2
- CHCl3
- CHBrCl2
- CHCl2I
- CHBr2Cl
- C*HBrClI
- CHClI2
- CHBr3
- CHBr2I
- CHBrI2
- CHI3
- CF4
- CClF3
- CBrF3
- CF3I
- CCl2F2
- CBrClF2
- CClF2I
- CBr2F2
- CBrF2I
- CF2I2
- CCl3F
- CBrCl2F
- CCl2FI
- CBr2ClF
- C*BrClFI
- CClFI2
- CBr3F
- CBr2FI
- CBrFI2
- CFI3
- CCl4
- CBrCl3
- CCl3I
- CBr2Cl2
- CBrCl2I
- CCl2I2
- CBr3Cl
- CBr2ClI
- CBrClI2
- CClI3
- CBr4
- CBr3I
- CBr2I2
- CBrI3
- CI4