Table 1. Spectra Assignments of dT₂₅ Molecules.

peaks (cm–1)	assignmentsa
∼1060	ribose C–C stretching
∼1090	PO2– symmetric stretching
∼1150	ribose C–O–C stretching
∼1600	tris δ-NH2 bending
∼1650	dT C4=O and C=C out-of phase
∼1660	dT C4=O and C=C in-phase
∼1730	C2=O stretching
∼2350	OD stretching of D2O
∼2550
∼2720
∼3060	dT C6–H stretching
∼3140	dT N3–H stretching
∼3200	OH stretching of H2O, dT, and tris molecules
∼3400
∼3600

^aCheck Figure S6 for the corresponding atoms of thymidine molecule.