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Free radical addition: factors determining the activation energy

Evgenii Timofeevich Denisov 1
Evgenii Timofeevich Denisov
1 Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow region
10.1070/RC2000v069n02ABEH000560
Published 30 November 1999
Communication , Volume 69, Issue 2, 153-164
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Denisov E. T. Free radical addition: factors determining the activation energy // Russian Chemical Reviews. 2000. Vol. 69. No. 2. pp. 153-164.
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Denisov E. T. Free radical addition: factors determining the activation energy // Russian Chemical Reviews. 2000. Vol. 69. No. 2. pp. 153-164.
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TY - JOUR
DO - 10.1070/RC2000v069n02ABEH000560
UR - https://rcr.colab.ws/publications/10.1070/RC2000v069n02ABEH000560
TI - Free radical addition: factors determining the activation energy
T2 - Russian Chemical Reviews
AU - Denisov, Evgenii Timofeevich
PY - 2000
DA - 1999/11/30
PB - ANO Editorial Board of the journal Uspekhi Khimii
SP - 153-164
IS - 2
VL - 69
ER -
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@article{2000_Denisov,
author = {Evgenii Timofeevich Denisov},
title = {Free radical addition: factors determining the activation energy},
journal = {Russian Chemical Reviews},
year = {2000},
volume = {69},
publisher = {ANO Editorial Board of the journal Uspekhi Khimii},
month = {Nov},
url = {https://rcr.colab.ws/publications/10.1070/RC2000v069n02ABEH000560},
number = {2},
pages = {153--164},
doi = {10.1070/RC2000v069n02ABEH000560}
}
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Denisov, Evgenii Timofeevich. “Free radical addition: factors determining the activation energy.” Russian Chemical Reviews, vol. 69, no. 2, Nov. 2000, pp. 153-164. https://rcr.colab.ws/publications/10.1070/RC2000v069n02ABEH000560.
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Abstract

Empirical relations describing the reactivity of reagents in radical addition reactions and the results of quantum-chemical calculations of the activation energy of these processes are considered. The experimental data obtained for the addition of atoms and radicals to molecules with multiple bonds are analysed in terms of the parabolic model. The following characteristics and factors are shown to affect the activation energy of radical addition: the reaction enthalpy, the strength of the arising bond, the radius of the atom having a free valence, the presence of a π bond adjacent to the reaction centre, the interaction of two polar groups, the multidipole interaction, the steric factor, the non-linearity of the reaction centre, and the force constants of the reacting bonds. The bibliography includes 85 references.

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