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Some considerations about the solvent effect on the infared absorption intensities of methyl iodide and methyl iodide-d3

1968; Pergamon Press; Volume: 24; Issue: 12 Linguagem: Inglês

10.1016/0584-8539(68)80252-1

1873-3824

Shigekazu Higuchi, Shigeyuki TANAKA, Hitoshi Kamada,

Optical and Acousto-Optic Technologies

Infrared absorption intensities of the bands corresponding to the three totally symmetric modes of methyl iodide and methyl iodide-d3 have been measured in ten solvents. Quite different solvent dependences have been observed for each of the three modes. With the object of correlating these experimental data, an attempt has been made to interpret the intensity behaviours in terms of Gribov's bond-moment theory in which the complete set of bond—bond interaction terms is taken into consideration. It is demonstrated that the qualitative understanding of the different intensity behaviours observed for each of the modes is possible when consideration is given to the detailed forms of each of the major contributing terms.