Analysis of ionic liquid PVT behavior with a Modified Cell Model

Simple modification of the temperature dependence of the Sanchez–Lacombe equation of state

“…Our previous work showed that the van der Waals volume could be estimated from the PVT properties of ionic liquids [10] and this is also true for the ε*-modified SL EOS. Fig.…”

Free volume investigation of imidazolium ionic liquids from positron lifetime spectroscopy

“…For the ionic liquids, V c (=V M ) ~ 1.410 V w [29]. The value 1.435 for polymers and 1.410 for ionic liquids is close to 2 1/2 , the value corresponds to the minimum energy in Lennard-Jones (or [6][7][8][9][10][11][12] potential (at the position r/=2 1/6 , then the volume ratio is (2 1/6 ) 3 =1.414) [25,29,30]. The v f is the free space averaged to each molecule, it is different from the local free (hole) volume v h , which is the cavity in the real structure that can be seen from the PALS experiment.…”

Equation of state modelling of systems with ionic liquids: Literature review and application with the Cubic Plus Association (CPA) model

“…Machida et al [112] correlated the PVT properties of ionic liquids with a Modified Cell Model (MCM) EoS. The characteristic parameters for ionic liquids were obtained by fitting the EoS to experimental density data.…”

“…The van der Waals volumes for several ionic liquid cations and anions are presented by Machida et al [112] and the total van der Waals volume of each ionic liquid is considered to be the sum of those two volumes (cation and anion). The van der Waals volumes obtained in this way are shown in Table 3.…”