Photoisomerization of a small cyclic ketone in the vapor phase

Chattopadhyay, Aparajeo ; Mondal, Koushik ; Samanta, Monoj ; Chakraborty, Tapas (2017) Photoisomerization of a small cyclic ketone in the vapor phase Chemical Physics Letters, 675 . pp. 104-110. ISSN 0009-2614

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Official URL: http://doi.org/10.1016/j.cplett.2017.03.016

Related URL: http://dx.doi.org/10.1016/j.cplett.2017.03.016

Abstract

Photoisomerization channels in the vapor phase photochemistry of cyclohexanone (CH) are studied by performing photolysis with 311 nm UV light, and analyzing the photoproducts by means of FTIR spectroscopy. In addition to 5-hexenal, identified previously as a photoisomerization product, we observe an efficient parallel isomerization channel producing butylketene as a primary photoproduct, but it remained unidentified in earlier studies. Calculation at DFT/B3LYP/6-311++G∗∗ level predicts formation of this ketene to be favorable both with respect to thermodynamic and kinetic factors.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science
ID Code:135529
Deposited On:25 Jan 2023 05:11
Last Modified:25 Jan 2023 05:11

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