@article{Das2023-01-30Organ-66096,
  year={2023},
  doi={10.1039/d2ra07322f},
  title={Organic binary charge-transfer compounds of 2,2′ : 6′,2′′ : 6′′,6-trioxotriphenylamine and a pyrene-annulated azaacene as donors},
  number={6},
  volume={13},
  journal={RSC Advances},
  pages={3652--3660},
  author={Das, Rajorshi and Linseis, Michael and Schupp, Stefan and Gogesch, Franciska S. and Schmidt-Mende, Lukas and Winter, Rainer F.}
}

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    <dc:creator>Schmidt-Mende, Lukas</dc:creator>
    <dc:creator>Linseis, Michael</dc:creator>
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    <dc:contributor>Gogesch, Franciska S.</dc:contributor>
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    <dc:contributor>Winter, Rainer F.</dc:contributor>
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    <dcterms:abstract>Three binary charge-transfer (CT) compounds resulting from the donor 2,2′ : 6′,2′′ : 6′′,6-trioxotriphenylamine (TOTA) and the acceptors F&lt;sub&gt;4&lt;/sub&gt;TCNQ and F&lt;sub&gt;4&lt;/sub&gt;BQ and of a pyrene-annulated azaacene (PAA) with the acceptor F&lt;sub&gt;4&lt;/sub&gt;TCNQ are reported. The identity of these CT compounds are confirmed by single-crystal X-ray diffraction as well as by IR, UV-vis-NIR and EPR spectroscopy. X-ray diffraction analysis reveals a 1 : 1 stoichiometry for TOTA·F&lt;sub&gt;4&lt;/sub&gt;TCNQ, a 2 : 1 donor : acceptor ratio in (TOTA)&lt;sub&gt;2&lt;/sub&gt;·F&lt;sub&gt;4&lt;/sub&gt;BQ, and a rare 4 : 1 stoichiometry in (PAA)&lt;sub&gt;4&lt;/sub&gt;·F&lt;sub&gt;4&lt;/sub&gt;TCNQ, respectively. Metrical parameters of the donor (D) and acceptor (A) constituents as well as IR spectra indicate full CT in TOTA·F&lt;sub&gt;4&lt;/sub&gt;TCNQ, partial CT in (TOTA)&lt;sub&gt;2&lt;/sub&gt;·F&lt;sub&gt;4&lt;/sub&gt;BQ and only a very modest one in (PAA)&lt;sub&gt;4&lt;/sub&gt;·F&lt;sub&gt;4&lt;/sub&gt;TCNQ. Intricate packing motifs are present in the crystal lattice with encaged, π-stacked (F&lt;sub&gt;4&lt;/sub&gt;TCNQ&lt;sup&gt;-&lt;/sup&gt;)&lt;sub&gt;2&lt;/sub&gt; dimers in TOTA·F&lt;sub&gt;4&lt;/sub&gt;TCNQ or mixed D/A stacks in the other two compounds. Their solid-state UV-vis-NIR spectra feature CT transitions. The CT compounds with F&lt;sub&gt;4&lt;/sub&gt;TCNQ are electrical insulators, while (TOTA)&lt;sub&gt;2&lt;/sub&gt;·F&lt;sub&gt;4&lt;/sub&gt;BQ is weakly conducting.</dcterms:abstract>
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    <dc:language>eng</dc:language>
    <dcterms:issued>2023-01-30</dcterms:issued>
    <dc:contributor>Schupp, Stefan</dc:contributor>
    <dc:creator>Gogesch, Franciska S.</dc:creator>
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    <dc:contributor>Linseis, Michael</dc:contributor>
    <dc:creator>Winter, Rainer F.</dc:creator>
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    <dc:creator>Schupp, Stefan</dc:creator>
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    <dc:creator>Das, Rajorshi</dc:creator>
    <dc:contributor>Das, Rajorshi</dc:contributor>
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    <dcterms:title>Organic binary charge-transfer compounds of 2,2′ : 6′,2′′ : 6′′,6-trioxotriphenylamine and a pyrene-annulated azaacene as donors</dcterms:title>
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