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organic compounds
The title compound, 1-(2,3-dideoxy-2,3-difluoro-β-D-ribopentofuranosyl)thymine, C10H12F2N2O4, consists of an almost planar heterocyclic base moiety oriented anti with respect to a puckered sugar moiety. The sugar pucker is 2T3 and the N-glycosidic torsion angle is −119.6 (2)°. The conformation of the O5′ atom is +sc and the molecules are held together by a network of N—HO and O—HO hydrogen bonds.