Phototautomerism of Isocytosine in a Water Medium: Theoretical and Experimental Study


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Abstract

We have carried out a combined theoretical (at the TDDFT BLYP/6-311++G** level of theory) and experimental study of the mechanism of phototautmerization of the N(3)H oxo tautomer of isocytosine dissolved in a water medium. The study reveals that this photoreaction occurs along the 1πσ* excited-state reaction paths of the oxo and hydroxy tautomers of the compound through conical intersections S0/S1. The last strucutres are located at the CASSCF level for both tautomers.

About the authors

B. H. Dimitrov

Faculty of Chemistry

Email: vdelchev@uni-plovdiv.net
Bulgaria, Plovdiv

R. I. Bakalska

Faculty of Chemistry

Email: vdelchev@uni-plovdiv.net
Bulgaria, Plovdiv

V. B. Delchev

Faculty of Chemistry

Author for correspondence.
Email: vdelchev@uni-plovdiv.net
Bulgaria, Plovdiv

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