Theoretical Study of the Internal Rotation of the Hydroxylic Group of the Enol Form of Guanine Cadet, Jean ; Grand, André ; Morell, Christophe ; Letelier, Jorge R. ; Moncada, José Luis ; Toro-Labbé, Alejandro Abstract Publication: Journal of Physical Chemistry A Pub Date: July 2003 DOI: 10.1021/jp021976w Bibcode: 2003JPCA..107.5334C