Free energy barrier for dissociation of the guanosine monophosphate anion in waterLucas M. Cornetta, Kaline Coutinho, Sylvio Canuto and Márcio T. do N. VarellaEur. Phys. J. D, 70 9 (2016) 176DOI: https://doi.org/10.1140/epjd/e2016-70155-0