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Electronic spectra ofsyn- andanti-ring [2.2]quinolinophanes

Elektronenspektrum von syn- und anti-Ring [2.2]Quinolinohanen

  • Organische Chemie und biochemie
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Monatshefte für Chemie / Chemical Monthly Aims and scope Submit manuscript

Abstract

The energies and oscillator strengths of the singlet-singlet transitions for thesyn- andanti-ring [2.2]quinolinophanes—regarded as quinoline dimers—were calculated usingPPP CI-1 method and compared with experimental spectra. The theoretical transitions were assigned to the observed broad bands and characterised in terms of locally excited and charge transfer contributions. The influence of the pseudosubstituent effect is also discussed.

Zusammenfassung

Die Anregungsenergie und Stärke des Oszillators vom Typ „singlet-singlet” fürsyn- undanti-Ring [2.2]Quinolinophanen, betrachtet als Quinolinodimere, wurde mit dem Ultraviolett-Spektrum verglichen und nach derPPP-CI-1-Methode berechnet. Den beobachteten breiten Banden wurde die theoretische Übergangsenergie zugeordnet. Die Übergänge wurden nach ihrem Anteil an „lokalem Anregungscharakter” (LE) und dem Ausmaß der Ladungsübertragung (CT) klassifiziert. Der Anteil des Pseudosubstituenteffekts wird diskutiert.

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Authors and Affiliations

  1. Department of Organic Chemistry, Silesian University, 40007, Katowice, Poland

    Leszek Czuchajowski, Antoni K. Wisor & Maria J. Maślankiewicz

Authors
  1. Leszek Czuchajowski
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  2. Antoni K. Wisor
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  3. Maria J. Maślankiewicz
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Czuchajowski, L., Wisor, A.K. & Maślankiewicz, M.J. Electronic spectra ofsyn- andanti-ring [2.2]quinolinophanes. Monatshefte für Chemie 112, 1175–1185 (1981). https://doi.org/10.1007/BF00905472

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  • DOI: https://doi.org/10.1007/BF00905472

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