Table 3. Values of the fitting parameters of the activation volumetric EOS by fitting the activation volumes evaluated using the MYEGA model to Eq. (9) with Eqs (10) and (11).

LC system (phase)	F0(cm3/mol)	F1(cm3/mol/K)	F2/10#x02212;4(cm3/mol/K2)	Bact(T0, p0) (MPa)	g2/10−3(K−1)	γact	γact from Eq. (19)
6BT (Cr E)	42.97 ± 0.11	0.1871 ± 0.0003	0.00 ± 0.15	998.9 ± 5.6	0.214 ± 0.067	0.981 ± 0.023	0.982
8BT (Cr E)	61.38 ± 0.01	0.2090 ± 0.0002	−6.11 ± 0.05	432.92 ± 0.21	0.409 ± 0.014	1.109 ± 0.004	1.105
7CB (N)	61.27 ± 0.50	2.138 ± 0.056	26.1 ± 1.8	73.69 ± 0.36	4.42 ± 0.38	0.518 ± 0.007	0.512
7PCH (N)	66.59 ± 0.06	1.315 ± 0.007	35.7 ± 2.2	121.22 ± 0.25	1.89 ± 0.13	0.59 ± 0.01	0.59
8PCH (N)	66.41 ± 0.18	2.386 ± 0.017	24.1 ± 3.1	67.72 ± 0.20	0	0.363 ± 0.003	0.367
8OCB (N)	74.98 ± 0.07	1.392 ± 0.007	21.5 ± 1.2	113.75 ± 0.17	0	0.459 ± 0.002	0.459

The reference state is fixed at the phase transition temperature T₀ (shown in Table 1) at ambient pressure p₀ = 0.1 MPa. The fitted value of γ_act is compared with that calculated from Eq. (19) for each material.