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Electronic spectrum of dibiphenylene-ethene radical anion

Das Elektronenabsorptionsspektrum des Dibiphenylen-Radikalanions (Kurze Mitteilung)

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  • Anorganische Und Physikalische Chemie
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Abstract

The electronic absorption spectrum for the dibiphenylene-ethene radical anion (\(DBPE^{\overline \cdot }\)), generated electrochemically in dimethylsulfoxide solutions, is reported. Based on calculations by the LCAO-MO method in theHückel approximation and on the analysis of the band positions it is suggested that in the\(DBPE^{\overline \cdot }\) molecule two planar fluorenylidene fragments are twisted (∼60°) about the central C=C bond.

Zusammenfassung

Das Dibiphenylenethen-Radikalanion (\(DBPE^{\overline \cdot }\)) wurde elektrochemisch hergestellt und das Elektronenabsorptionsspektrum aufgenommen. Auf Grund von LCAO-MO Berechnungen in derHückel-Annäherung und der Analyse der Bandenlagen wird nahegelegt, daß im\(DBPE^{\overline \cdot }\)-Molekül zwei planare Fluorenyliden-Fragmente ca. 60° um die zentrale C=C-Bindung verdrillt angeordnet sind.

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Authors and Affiliations

  1. Department of Chemistry, University of Warsaw, PL-02093, Warszawa, Poland

    Witold Mizerski & Marek K. Kalinowski

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  1. Witold Mizerski
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  2. Marek K. Kalinowski
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Mizerski, W., Kalinowski, M.K. Electronic spectrum of dibiphenylene-ethene radical anion. Monatsh Chem 116, 599–601 (1985). https://doi.org/10.1007/BF00798784

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  • DOI: https://doi.org/10.1007/BF00798784

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