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Harnessing Electron Transfer from the Perchlorotriphenylmethide Anion to Y@C82(C2v) to Engineer an Endometallofullerene-Based Salt

Authors

  • Dr. Ivan E. Kareev,

    Corresponding author
    1. Institute of Problems of Chemical Physics, Russian Academy of Sciences (IPCP RAS), Chernogolovka 142432 (Russia), Fax: (+7) 496-522-35-07
    • Institute of Problems of Chemical Physics, Russian Academy of Sciences (IPCP RAS), Chernogolovka 142432 (Russia), Fax: (+7) 496-522-35-07
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  • Dr. Elena Laukhina,

    Corresponding author
    1. Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 08193 Bellaterra (Spain)
    2. Institut de Ciencia de Materials de Barcelona (ICMAB-CSIC), Campus UAB, 08193 Bellaterra (Spain), Fax: (+34) 93-580-57-29
    • Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 08193 Bellaterra (Spain)
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  • Dr. Vyacheslav P. Bubnov,

    1. Institute of Problems of Chemical Physics, Russian Academy of Sciences (IPCP RAS), Chernogolovka 142432 (Russia), Fax: (+7) 496-522-35-07
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  • Dr. Vyacheslav M. Martynenko,

    1. Institute of Problems of Chemical Physics, Russian Academy of Sciences (IPCP RAS), Chernogolovka 142432 (Russia), Fax: (+7) 496-522-35-07
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  • Vega Lloveras,

    1. Institut de Ciencia de Materials de Barcelona (ICMAB-CSIC), Campus UAB, 08193 Bellaterra (Spain), Fax: (+34) 93-580-57-29
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  • Dr. José Vidal-Gancedo,

    1. Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 08193 Bellaterra (Spain)
    2. Institut de Ciencia de Materials de Barcelona (ICMAB-CSIC), Campus UAB, 08193 Bellaterra (Spain), Fax: (+34) 93-580-57-29
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  • Dr. Marta Mas-Torrent,

    1. Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 08193 Bellaterra (Spain)
    2. Institut de Ciencia de Materials de Barcelona (ICMAB-CSIC), Campus UAB, 08193 Bellaterra (Spain), Fax: (+34) 93-580-57-29
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  • Prof. Jaume Veciana,

    1. Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 08193 Bellaterra (Spain)
    2. Institut de Ciencia de Materials de Barcelona (ICMAB-CSIC), Campus UAB, 08193 Bellaterra (Spain), Fax: (+34) 93-580-57-29
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  • Prof. Concepció Rovira

    Corresponding author
    1. Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 08193 Bellaterra (Spain)
    2. Institut de Ciencia de Materials de Barcelona (ICMAB-CSIC), Campus UAB, 08193 Bellaterra (Spain), Fax: (+34) 93-580-57-29
    • Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 08193 Bellaterra (Spain)
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Abstract

We show that electron transfer from the perchlorotriphenylmethide anion (PTM) to Y@C82(C2v) is an instantaneous process, suggesting potential applications for using PTM to perform redox titrations of numerous endohedral metallofullerenes. The first representative of a Y@C82-based salt containing the complex cation was prepared by treating Y@C82(C2v) with the [K+([18]crown-6)]PTM salt. The synthesis developed involves the use of the [K+([18]crown-6)]PTM salt as a provider of both a complex cation and an electron-donating anion that is able to reduce Y@C82(C2v). For the first time, the molar absorption coefficients for neutral and anionic forms of the pure isomer of Y@C82(C2v) were determined in organic solvents with significantly different polarities.

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