Conclusions
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1.
We have used IR spectroscopy to study phosphoryl compound + SbCl3 + CCl4 systems, determining equilibrium constants, enthalpies of complex formation, and the accompanying. PCνP=O shifts.
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2.
Inductive effects from the phosphorous substituents are more significant here than the stability of the donor -acceptor complex.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, no. 7, pp. 1504–1506, July.
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Ashrafullina, L.K., Bel'skii, V.E. & Shagidullin, R.R. Use of IR spectroscopy to study donor-acceptor interactions between phosphoryl compounds and antimony trichloride. Russ Chem Bull 25, 1435–1437 (1976). https://doi.org/10.1007/BF00920813
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DOI: https://doi.org/10.1007/BF00920813