Table 4.

Heats of sublimation (ΔH_sub, kcal mol⁻¹). Results are the average of ten independent simulations. Experimental reference values are taken from Chickos and Acree.^[100]

Base	Experiment	Temp (K)	Drude-2013*	% Diff	Drude-2017	% Diff
Ura	30.35	439	29.02	−1.3	30.31	−0.1
	31.30	298	30.01	−4.1	31.46	0.5
Me-Ura	26.89	398	27.94	3.9	29.55	9.9
Avg. Diff.			−0.52	−0.5%	0.93	3.4%
AUE			1.22		0.95
RMSD			1.23		1.54

^*Some values obtained using the Drude-2013 differ from those reported by Baker et al.^[66] due to refinement, especially of internal terms, during the course of the development of the Drude-2013 DNA force field.^[39,40]