The Raman and IR spectra of the C-X stretching modes (X = Cl, Br, I) in the axial and the equatorial positions of cyclohexyl halides have been measured at room temperature. The band broadening mechanisms and the differences in the rate of vibrational dephasing of the axial and the equatorial conformers have been discussed. It has been found that intermolecular long-range transition dipole-transition dipole coupling gives the main contribution to the differences in vibrational dephasing rate. This paper demonstrates that a simultaneous study of the vibrational dephasing of different conformers provides a method to isolate the individual relaxation mechanisms.