Infrared Spectrum of Methyldifluoramine

Abstract

The infrared spectra of gaseous CH3NF2 and CD3NF2, and of solid CH3NF2 have been recorded. They are discussed in terms of the symmetry of Point Group Cs. The unsymmetric methyl vibrations, which are degenerate under the local C3v symmetry of the group, were found to undergo splitting of smaller magnitude than in analogous compounds of Cs over-all symmetry. The two nearly degenerate components of each of these motions appear to be coupled through rotation.