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- W4255937676 abstract "Regiochemical trends in the addition of free radicals to substituted olefins are investigated by different quantum chemical approaches with special reference to oxygen centered radicals. From a methodological point of view, density functional methods provide correct general trends but they do not reach quantitative accuracy, especially for intermediate complexes. More reliable results are obtained by single point post-Hartree–Fock computations at density functional geometries. A number of test computations show that reoptimization of the geometry and computation of vibrational frequencies by correlated methods can be safely avoided. As a consequence, the overall computational approach has very reasonable computer costs. From a more chemical point of view, a careful analysis of computational results points out the significant role of anomeric and polar effects in tuning the common filicity of carbon centered radicals. © 2000 John Wiley & Sons, Inc. J Comput Chem 21: 675–691, 2000" @default.
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- W4255937676 date "2000-06-01" @default.
- W4255937676 modified "2023-09-25" @default.
- W4255937676 title "Quantum mechanical study of regioselectivity of radical additions to substituted olefins" @default.
- W4255937676 doi "https://doi.org/10.1002/(sici)1096-987x(200006)21:8<675::aid-jcc7>3.3.co;2-5" @default.
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