Table 4.

Width of the distribution of the energy gap ΔU, directly via Eq. 3 (W) or via the width a of a Gaussian fit function, Eq. 4. All values in kJ/mol

		Nonpol. FF		Pol. FF
		σ	W	σ	W
MQ H2O	${\mathbb{S}}_0$	11.9	11.8	12.5	12.5
	${\mathbb{S}}_1$	12.8	12.6	13.4	13.6
MQ MeOH	${\mathbb{S}}_0$	11.8	11.5	11.9	11.8
	${\mathbb{S}}_1$	10.7	10.8	13.3	12.9
MQ EmimOTf	${\mathbb{S}}_0$	12.8	12.8	12.3	12.3
	${\mathbb{S}}_1$	12.8	12.9	13.0	13.1
C153 MeOH	${\mathbb{S}}_0$	10.0	10.0	10.0	10.0
	${\mathbb{S}}_1$	9.9	9.8	10.3	10.3
C153 EmimOTf	${\mathbb{S}}_0$	14.1	14.0	14.5	14.5
	${\mathbb{S}}_1$	14.1	13.9	14.1	14.2