Tautomers	$Δ G_{0}^{298}$ (Kcal/mol)		$Δ G_{0}^{298}$ (Kcal/mol)
Tautomers	AH	Deprotonated molecule A⁻	$Δ G_{0}^{298}$ (Kcal/mol)
Q-4-one (N¹-H)	−299422.21	−299091.11	324.81
Q-4-one (O¹¹-H)	−299415.34	−299091.11	317.94
DMQ (N¹-H)	−443145.23	−442806.26	332.68
DMQ (O¹¹-H)	−443144.01	−442806.26	331.46
DBrQ (N¹-H)	−3529228.80	−3528905.10	317.41
DBrQ (O¹¹-H)	−3529224.55	−3528905.11	313.15