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Unusual structure and kinetics of singly protonated quinoxaline in fluorescent and phosphorescent states

โœ Scribed by Jerzy Herbich; Anna Grabowska

Publisher
Elsevier Science
Year
1977
Tongue
English
Weight
413 KB
Volume
46
Category
Article
ISSN
0009-2614

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โœฆ Synopsis

Quantum yicldc of fluorcsccncc and phosphoresccncc of singly protonated quinoxalinc (QH? dcpeti on excltatlon. The TI state IS populated preferentially from S 2. Radiationless processes in QH+are much more efficient than in the parent base. The unusual properties of cvcitcd QH+arc interpreted in terms of non-planarity of the mokcule in the TI and Sl states. ' Pyt XI of the rries Excited States of Six-membered Azaaromatic Rings. Previous paper of the series. ref. 111.

๐Ÿ“œ SIMILAR VOLUMES

Electron spin resonance and phosphoresce
Electron spin resonance and phosphorescence of quinoline, isoquinoline and their protonated cations in the phosphorescent triplet states
โœ Akinori Komura; Kenshiro Uchida; Mikio Yagi; Jiro Higuchi ๐Ÿ“‚ Article ๐Ÿ“… 1988 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 540 KB

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