Nucleic acid bases in anionic 2'-deoxyribonucleotides: a DFT/B3LYP study of structures, relative stability, and proton affinities.
Palamarchuk GV, Shishkin OV, Gorb L, Leszczynski J. Nucleic acid bases in anionic 2'-deoxyribonucleotides: a DFT/B3LYP study of structures, relative stability, and proton affinities. J Phys Chem B. 2013 Mar 14; 117(10):2841-9.