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Stable Mononuclear Lead(III) Compound: A Lead-Centered Radical

Authors

  • Christoph Förster,

    1. Institut für Anorganische und Analytische Chemie, Johannes-Gutenberg-Universität, Duesbergweg 10–14, 55128 Mainz, Germany, Fax: (+49) 6131-33-25419
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  • Karl W. Klinkhammer Prof. Dr.,

    1. Institut für Anorganische und Analytische Chemie, Johannes-Gutenberg-Universität, Duesbergweg 10–14, 55128 Mainz, Germany, Fax: (+49) 6131-33-25419
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  • Boris Tumanskii Dr.,

    1. Department of Chemistry and The Lise Meitner-Minerva Center for Computational Quantum Chemistry, Technion—Israel Institute of Technology, Haifa 32000, Israel
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  • Hans-Jörg Krüger Prof. Dr.,

    1. Institut für Anorganische Chemie, Technische Universität Kaiserslautern, Erwin-Schrödinger-Strasse, 67663 Kaiserslautern, Germany
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  • Harald Kelm Dr.

    1. Institut für Anorganische Chemie, Technische Universität Kaiserslautern, Erwin-Schrödinger-Strasse, 67663 Kaiserslautern, Germany
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  • We thank Dr. Dmitry Bravo-Zhivotovskii for technical help and Dr. Dariush Hinderberger for clarifying EPR measurements.

Abstract

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Plumb radical: The kinetically stable plumbyl radical Pb[SiEt(SiMe3)2]3 (see molecular structure; red Pb, light purple Si, dark purple C) was obtained through oxidation of Pb[SiEt(SiMe3)2]3 ions. With a half-life of about 8.5 hours at room temperature, it cleanly decomposes to elementary lead and Pb[SiEt(SiMe3)2]4.

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