Charge control in the formation of complexes of phenol with ethylene derivatives containing organoelemental group IVB substituants |
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Authors: | A N Egorochkin S E Skobeleva V L Tsvetkova |
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Institution: | (1) Institute of Organometallic Chemistry, Russian Academy of Sciences, 49 ul Tropinina, 603600 Nizhnii Novgorod, Russian Federation |
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Abstract: | The v(OH) frequency shifts of phenol and the vR resonance components of these shifts in the IR spectra of phenol H-complexes with ethylene derivatives containing various substituents including organosilicon, organogermanium, and organotin groups have been studied. The relationship between v and vR and the values that characterize the influence of substituents on the effective charges of the double bonded carbon atoms was established; the latter values have been calculated previously usingab initio quantum chemical methods. The effective charges for the compounds with organoelemental substituents have been calculated. It has been elucidated that of the two types of possible interactions, charge controlled and orbital controlled, occurring in the formation of a complex of a hard acid, phenol, with the studied ethylene derivatives, the former is predominant.Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 8, pp. 1383–1387, August, 1993. |
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Keywords: | phenol complexes ethylene derivatives IR spectra |
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