A study has been made of the infrared spectra of cyclic organosilazanes and it has been found that the vibrations of the Si -N -Si bond in octamethylcyclotetrasilazane come at 939 and 1183 cm−1.
The absorption bands of the Si -N -Si bond in octamethylcyclotetrasilazanes are somewhat displaced with respect to those of hexamethylcyclotrisilazanes.
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Tsitsishvili, G.V., Bagratishvili, G.D., Andrianov, K.A. et al. Infrared spectra of cyclic org anosilazanes. Russ Chem Bull 11, 1123–1124 (1962). https://doi.org/10.1007/BF00908384
- Absorption Band
- Infrared Spectrum