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Unusual Quartet-Doublet Phosphorescence from the Phosphaethynyl Radical, CP.
Ganesan, Elavenil; Custer, Thomas; Lawzer, Arun-Libertsen; Guillemin, Jean-Claude; Kolos, Robert.
Afiliación
  • Ganesan E; Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224, Warsaw, Poland.
  • Custer T; Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224, Warsaw, Poland.
  • Lawzer AL; Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224, Warsaw, Poland.
  • Guillemin JC; Univ Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR-UMR 6226, 35000, Rennes, France.
  • Kolos R; Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224, Warsaw, Poland.
Angew Chem Int Ed Engl ; 61(43): e202210521, 2022 Oct 24.
Article en En | MEDLINE | ID: mdl-36052447
We report the first detection of phosphorescence from the phosphaethynyl radical. This rare instance of quartet-doublet emission, studied here in solid argon, is presumably promoted by efficient intersystem crossing from the originally photoexcited doublet (B2 Σ+ ) to the adjacent second quartet state, 14 Δ. Vibronic progressions were traced for the a4 Σ+ -X2 Σ+ and a4 Σ+ -A2 Пi systems from their origins up to (v'=0)→(v''=5) and (v'=0)→(v''=2) bands, respectively. The measured phosphorescence lifetime is 108 ± 3 ms.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Angew Chem Int Ed Engl Año: 2022 Tipo del documento: Article País de afiliación: Polonia Pais de publicación: Alemania
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Angew Chem Int Ed Engl Año: 2022 Tipo del documento: Article País de afiliación: Polonia Pais de publicación: Alemania