Transient ESR spectra have been observed for the lowest triplet states of naphthalene, quinoline (QN), quinolinium (QNH+), isoquinoline (iso-QN) and isoquinolinium (iso-QNH+) in ethanol at 77 K using a time-resolved ESR technique. With the aid of computer simulations, it is concluded that, following
Electron spin resonance and phosphorescence of quinoline, isoquinoline and their protonated cations in the phosphorescent triplet states
β Scribed by Akinori Komura; Kenshiro Uchida; Mikio Yagi; Jiro Higuchi
- Publisher
- Elsevier Science
- Year
- 1988
- Tongue
- English
- Weight
- 540 KB
- Volume
- 42
- Category
- Article
- ISSN
- 1010-6030
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β¦ Synopsis
Electron spin resonance and phosphorescence of phosphorescent triplet states of quinoline, isoquinoline and their protonated cations were studied in methanol:water (4:l by volume) and in stretched poly(viny1 alcohol) films at 77 K. The zero-field splitting parameter 101 of isoquinoline decreases on protonation, the reverse of what is expected from an optically detected magnetic resonance study by Leinwand et aE.
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