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Electron affinity and substituent effects in radical anions

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Abstract

The first vertical electron affinities EA of 13 series of molecules and free radicals D(X i ) n are related to the inductive (σ I ), resonance (σ − R ), and polarization (σα) parameters of substituents X i by the dependences EA = EA H + aΣσ I + bΣσ R/− + cΣσα: In radical anions D+·(X i ) n , compared to radical cations D+·(X i ) n , the polarization interaction is weaker or similar in magnitude but has an opposite sign. The previously unknown resonance parameters σ −R of substituents SiMe3 and CH2SiMe3 bound to the radical anion center H2C=CH−· were calculated.

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Authors and Affiliations

  1. Razuvaev Institute of Organometallic Chemistry, Russian Academy of Sciences, ul. Tropinina 49, Nizhni Novgorod, 603950, Russia

    A. N. Egorochkin, O. V. Kuznetsova & O. V. Novikova

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  1. A. N. Egorochkin
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  2. O. V. Kuznetsova
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  3. O. V. Novikova
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Original Russian Text © A.N. Egorochkin, O.V. Kuznetsova, O.V. Novikova, 2007, published in Zhurnal Obshchei Khimii, 2007, Vol. 77, No. 1, pp. 68–78.

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Egorochkin, A.N., Kuznetsova, O.V. & Novikova, O.V. Electron affinity and substituent effects in radical anions. Russ J Gen Chem 77, 62–72 (2007). https://doi.org/10.1134/S1070363207010094

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  • DOI: https://doi.org/10.1134/S1070363207010094

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