Assignments of the Deoxyribose Vibrations: Isotopic Thymidine

Raman spectrum of thymidine-13C5, in which five C atoms of the deoxyribose moiety are uniformly substituted with 13C atoms, has been examined in the crystalline state with 488.0 nm excitation. Some of the Raman bands were observed at appreciably shifted frequencies from those of the corresponding Raman bands of the natural thymidine, and they were assigned to some vibrations involving deoxyribose motions.