Abstract
The geometries and electronic structures of various conformers of (acetoxymetyl)trifluorosilane, CH3C(O)OCH2SiF3, and also the frequencies and intensities of its vibration bands were studied by ab initio [RHF(6-31G*)] calculations. According to the experimental spectra and calculation results, the most stable is the conformation in which the donor-acceptor interaction = O→Si is realized. Analysis of the geometry, atomic charges, and molecular orbital energies shows that this donor-acceptor bond is mainly due to interaction of the lone electron pairs of the carbonyl oxygen atom with the vacant Σδ* orbitals of the C-Si-F a moiety.
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Lazarev, I.M., Ratovskii, G.V., Brodskaya, E.I. et al. Ab initio Calculations of the Geometry, Electronic Structure, and Vibrational Spectrum of (Acetoxymethyl)triflouorosilane. Russian Journal of General Chemistry 73, 1065–1071 (2003). https://doi.org/10.1023/B:RUGC.0000007613.76643.95
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DOI: https://doi.org/10.1023/B:RUGC.0000007613.76643.95