Abstract
The infrared absorption spectra over the range 400–1700 cm−1 of ten organyl- and organoxysilatranes
, p-CH3C6H4O] are investigated. The Si←N coordinate link in these compounds is largely unreflected in the fundamental vibration frequencies of the bonds of the central silicon atom or the internal vibration frequencies of the substituents X linked to that atom. However, all the IR spectra have an absorption band in the 570 cm−1 region, related to the valence vibrationsν (Si←N), or manifesting itself as the frequencyν (Si-O) of the XSi (O)3 group, substantially lowered because of interaction between the Si-O and Si-N bonds. Evidence in favor of this bond is shift of theν (Si-H) frequency in the spectrum of silatrane(X=H).
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Egorov, Y.P., Voronkov, M.G., Lutsenko, T.B. et al. Atranes. Chem Heterocycl Compd 2, 17–24 (1966). https://doi.org/10.1007/BF00955588
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DOI: https://doi.org/10.1007/BF00955588