Raman spectroscopy of glycolic acid complexes with N2
Ahokas, J., Kosendiak, I., Krupa, J., Wierzejewska, M., & Lundell, J. (2019). Raman spectroscopy of glycolic acid complexes with N2. Journal of Molecular Structure, 1183, 367-372. https://doi.org/10.1016/j.molstruc.2019.01.080
Published inJournal of Molecular Structure
© 2019 Elsevier B.V.
High overtone excitation induced conformational isomerization of glycolic acid – nitrogen complex in an argon matrix was investigated by Raman spectroscopy. The interaction between glycolic acid and nitrogen change the green light (532 nm) induced isomerization processes compared to non-complexed glycolic acid. The 180° rotation around of the Csingle bondC bond and stabilization of carboxyl Odouble bondCsingle bondOsingle bondH dihedral angle to trans position were the main conformational changes observed in the complex of the lowest energy conformer and nitrogen. Interestingly, only one stable light-induced conformational product was observed, which isomerises back to the lowest energy conformer upon prolonged irradiation at 532 nm. The vibrational Raman spectrum of glycolic acid – nitrogen complex and the analysis of the isomerization kinetics are presented.
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Related funder(s)Academy of Finland
Funding program(s)Academy Project, AoF
Additional information about fundingThe research was supported by Academy of Finland Project No. 286844 (at JYU) and the National Science Centre Project No. 2013/11/B/ST4/00500 (at UWr).
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