Guanine tautomerism revealed by UV-UV and IR-UV hole burning spectroscopy

E. Nir, Ch Janzen, P. Imhof, K. Kleinermanns, M. S. De Vries

Research output: Contribution to journalArticlepeer-review

196 Scopus citations


An attempt was made to analytically study the spectrum based on double resonance spectroscopy according to which the R2PI spectrum consists of overlapping spectra of three different tautomers of guanine. By using chemical substitution and comparison with IR-UV data and ab initio calculations, it was possible to assign the spectra to the 9H-Enol and 9H- and 7H-Keto tautomers of guanine.

Original languageEnglish
Pages (from-to)4604-4611
Number of pages8
JournalJournal of Chemical Physics
Issue number10
StatePublished - 8 Sep 2001
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy
  • Physical and Theoretical Chemistry


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