Intramolecular interactions in aromatic compounds: V. Electronic structure of polyfluoroaromatic silanes and related hydrocarbons

Abstract

The electronic structure of pentafluorophenyl-substituted silanes Ar_nSi(CH₃)_4-n (Ar = C₆H₅, C₆F₅, 4-FC₆H₄, 2,3,5,6-F₄C₅N; n = 1; Ar = C₆H₅, C₆F₅, n = 2, 4) was studied by X-ray emission and He(I) photoelectron spectroscopy. The He(I) photoelectron spectra were measured and interpreted on the basis of MNDO calculations, analysis of the p-fluoro effect, and relative intensities. Substitution of C₆F₅ for C₆H₅ in aryltrimethyl- and diaryldimethylsilanes results in enhanced π interaction between the aryl and Si(CH₃)_n groups (n = 2, 3) by higher π levels and has almost no effect on the charge on the silicon atom.

Original language	English
Pages (from-to)	101-110
Number of pages	10
Journal	Russian Journal of General Chemistry
Volume	70
Issue number	1
Publication status	Published - 2000

ASJC Scopus subject areas

Chemistry(all)

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Intramolecular interactions in aromatic compounds : V. Electronic structure of polyfluoroaromatic silanes and related hydrocarbons. / Krupoder, S. A.; Okotrub, A. V.; Villem, N. V.; Villem, J. J.; Furin, G. G.; Salakhutdinov, N. F.; Poleshchuk, O. Kh.

In: Russian Journal of General Chemistry, Vol. 70, No. 1, 2000, p. 101-110.

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title = "Intramolecular interactions in aromatic compounds: V. Electronic structure of polyfluoroaromatic silanes and related hydrocarbons",

abstract = "The electronic structure of pentafluorophenyl-substituted silanes ArnSi(CH3)4-n (Ar = C6H5, C6F5, 4-FC6H4, 2,3,5,6-F4C5N; n = 1; Ar = C6H5, C6F5, n = 2, 4) was studied by X-ray emission and He(I) photoelectron spectroscopy. The He(I) photoelectron spectra were measured and interpreted on the basis of MNDO calculations, analysis of the p-fluoro effect, and relative intensities. Substitution of C6F5 for C6H5 in aryltrimethyl- and diaryldimethylsilanes results in enhanced π interaction between the aryl and Si(CH3)n groups (n = 2, 3) by higher π levels and has almost no effect on the charge on the silicon atom.",

author = "Krupoder, {S. A.} and Okotrub, {A. V.} and Villem, {N. V.} and Villem, {J. J.} and Furin, {G. G.} and Salakhutdinov, {N. F.} and Poleshchuk, {O. Kh}",

year = "2000",

language = "English",

volume = "70",

pages = "101--110",

journal = "Russian Journal of General Chemistry",

issn = "1070-3632",

publisher = "Maik Nauka-Interperiodica Publishing",

number = "1",

}

TY - JOUR

T1 - Intramolecular interactions in aromatic compounds

T2 - V. Electronic structure of polyfluoroaromatic silanes and related hydrocarbons

AU - Krupoder, S. A.

AU - Okotrub, A. V.

AU - Villem, N. V.

AU - Villem, J. J.

AU - Furin, G. G.

AU - Salakhutdinov, N. F.

AU - Poleshchuk, O. Kh

PY - 2000

Y1 - 2000

N2 - The electronic structure of pentafluorophenyl-substituted silanes ArnSi(CH3)4-n (Ar = C6H5, C6F5, 4-FC6H4, 2,3,5,6-F4C5N; n = 1; Ar = C6H5, C6F5, n = 2, 4) was studied by X-ray emission and He(I) photoelectron spectroscopy. The He(I) photoelectron spectra were measured and interpreted on the basis of MNDO calculations, analysis of the p-fluoro effect, and relative intensities. Substitution of C6F5 for C6H5 in aryltrimethyl- and diaryldimethylsilanes results in enhanced π interaction between the aryl and Si(CH3)n groups (n = 2, 3) by higher π levels and has almost no effect on the charge on the silicon atom.

AB - The electronic structure of pentafluorophenyl-substituted silanes ArnSi(CH3)4-n (Ar = C6H5, C6F5, 4-FC6H4, 2,3,5,6-F4C5N; n = 1; Ar = C6H5, C6F5, n = 2, 4) was studied by X-ray emission and He(I) photoelectron spectroscopy. The He(I) photoelectron spectra were measured and interpreted on the basis of MNDO calculations, analysis of the p-fluoro effect, and relative intensities. Substitution of C6F5 for C6H5 in aryltrimethyl- and diaryldimethylsilanes results in enhanced π interaction between the aryl and Si(CH3)n groups (n = 2, 3) by higher π levels and has almost no effect on the charge on the silicon atom.

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