✦ LIBER ✦

No excited state proton transfer takes place in jet-cooled methanol clusters of 3-hydroxyflavone

✍ Scribed by Ryozo Takasu; Yoshihisa Fujiwara; Michiya Itoh

Publisher: Elsevier Science
Year: 1994
Tongue: English
Weight: 230 KB
Volume: 217
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(93)e1418-g

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✦ Synopsis

Recently, the excited state proton transfer has been reported in jet-cooled methanol complex of 3-hydroxyflavone ( Dawes and Wallace. However, selective excitation of the methanol cluster bands longer than the origin band ( 356.12 nn 3-HF demonstrates that no excited state proton transfer takes place. The tautomer fluorescence in the methanol corn1 served by Dawes and Wallace seems attributable to the consequence of the excitation (354.7 nm) of the superimpose the bare molecule and methanol complex.

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✍ J.M. Dawes; S.C. Wallace 📂 Article 📅 1993 🏛 Elsevier Science 🌐 English ⚖ 432 KB

The excited state dynamics of jet-cooled 3-hydroxyflavone and its methanol complexes have been studied using both timeresolved dynamic measurements and excitation and emission spectroscopy. Methanol complexation has a significant effect on the molecule's emission spectrum and fluorescent lifetime, a