Table I.

Fit of the rotational relaxation constants, $\langle {\mathcal{T}}^{+}\rangle$ and $\langle {\mathcal{T}}^{-}\rangle$ diffusion coefficients, D⁺ and D^-, as well as the static conductivity σ(0) with a logistic function in Eq. (21) as a function of degree of polarizability.

$\langle {\mathcal{T}}^{+}\rangle$, $\langle {\mathcal{T}}^{-}\rangle$	A0 [ns]	A [ns]	k	α0 [%]
polarizable EMIM+	7.81	-6.06	0.030	0.0
polarizable OTf–	1.74	-1.06	0.030	0.0
charge-scaled EMIM+	9.13	-8.79	0.030	0.0
charge-scaled OTf–	1.22	-0.98	0.093	62.2
D+,D–	A0 / 10–7 cm2 s	A / 10–7 cm2 s	k	α0 [%]
polarizable EMIM+	0.259	0.62	0.030	89.3
polarizable OTf–	0.111	0.38	0.030	89.3
charge-scaled EMIM+	0.260	9.36	0.030	156.3
charge-scaled OTf–	0.072	5.12	0.030	156.3
σ(0)	A0 / S m–1	A / S m–1	k	α0 [%]
polarizable	0.069	0.160	0.030	89.3
charge-scaled a	0.084	0.896	0.030	156.3
charge-scaled	0.055	0.896	0.030	116.6

^aThe collective translational dipole moment M_J(t) was not scaled by (S^eff)^–1 in the analysis of the dipolar mean-squared displacement corresponding to Eq. (15).