The noncoincidence effect in the ν3 band of liquid methyl fluoride

The 11 cm−1 splitting observed in the ν3 region of the Raman spectrum of liquid methyl fluoride is explained as arising from the noncoincidence effect. An interpretation of the solid-state infrared and Raman spectra is based upon correlation-field splitting effects. An analysis of these two effects suggests that the transition-dipole moment increases from 1.31×10−6 C kg−1/2 in the gaseous state to 2.28×10−6 C kg−1/2 in the solid state.