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Rotational Spectral Signatures of Four Tautomers of Guanine
Author(s) -
Alonso José L.,
Peña Isabel,
López Juan C.,
Vaquero Vanesa
Publication year - 2009
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200901462
Subject(s) - tautomer , guanine , physics , computer science , chemistry , stereochemistry , biochemistry , gene , nucleotide
By supersonic jet : The rotational spectrum of guanine was investigated by laser ablation molecular beam Fourier transform microwave (LA MB FTMW) spectroscopy. The N7H keto, N9H keto, N9H enol trans , and N9H enol cis forms (see structures) were identified conclusively in the supersonic expansion from the experimental values of the rotational constants.