Table 3.

Value of universal constants for different methods.

Universal Constants	Units	Values
		Step-wise Method	Simultaneous Method
$T_{b0}$	$\left[K\right]$	244.5165	244.7889
$T_{c0}$	$\left[K\right]$	181.6716	181.6738
$P_{c1}$	$\left[bar\right]$	0.0519	0.0519
$P_{c2}$	$\left[bar-0.5\right]$	0.1347	0.1155
$V_{c0}$	$\left[cc/mol\right]$	28.0018	14.6182
$T_{m0}$	$\left[K\right]$	143.5706	144.0977
$G_{f0}$	$\left[kJ/mol\right]$	−1.3385	8.5016
$H_{f0}$	$\left[kJ/mol\right]$	35.1778	83.9657
$H_{fus0}$	$\left[kJ/mol\right]$	−1.7795	−1.2993
$K_{ow0}$	$[--]$	0.4876	0.752
$F_{p0}$	$\left[K\right]$	170.7058	150.0218
$H_{v0}$	$\left[kJ/mol\right]$	9.6127	10.4327
$H_{vb0}$	$\left[kJ/mol\right]$	15.4199	15.0884
$ı0$	$\left[MPa1/2\right]$	21.6654	20.7339
${\omega }_{\alpha }$	$[--]$	0.908	0.9132
${\omega }_b$	$[--]$	0.1055	0.0447
${\omega }_c$	$[--]$	1.0012	1.0039
$V_{mo}$	$\left[cc/kmol\right]$	0.016	0.0123
$Ai{t}_1$		0	71.2584
$Ai{t}_2$	$\left[K\right]$	0	525.93