Table 2.

Summary of IVCT band shape fitting and ET parameters of (2)(PF₆)(SbCl₆) in three different solvents.

	CH2Cl2	PC	CH3CN
EOP = λ (cm−1)	6390 (±20)	6725 (±25)	6925 (±25)
εmaxxs (M−1cm−1)	79 (±3)	44 (±3)	55 (±5)
$\Delta {\tilde{v}}_{1∕2}$ (cm−1)	5192 (±17)	4900 (±100)	4900 (±300)
oscillator strengtha, fobs (fcalc)	1.9×10−3 (6.3×10−3xs)	9.9×10−4 (n.d.)	1.2×10−3 (5.3×10−3)
Hab (cm−1), see Eq. 4	264	196	223
$\Delta {\tilde{v}}_{1∕2}$ (HTL)b	3812	3910	3968
θ = $\Delta {\tilde{v}}_{1∕2}$/$\Delta {\tilde{v}}_{1∕2}$ (HTL)	1.36	1.25	1.23
α = Hab/λ	0.0413	0.0291	0.0322
ΔG* (cm−1), see Eq. 5	1344	1491	1515
ket (s−1), see Eq. 6	2.9×1010	7.6×109	8.6×109
γ = 1/εs - 1/n2	0.382	0.480	0.582

^af_obs = (4.6×10⁻⁹)ε_max$\Delta {\tilde{v}}_{1∕2}$, f_calc from DFT calculations;

^bxy2 (HTL) = [16ln(2)k_BTλ]1/2 where k_B = 0.695 cm⁻¹K⁻¹ and T = 295 K;