When predicting limiting activity coefficients (γ ∞ i,j ) with the SMx (x= 12, 8, or D) universal solvent models, two different strategies were evaluated. 1) We predicted both ∆G self i,i and ∆G solv i,j , then using reference values of the molar volume , γ ∞ i,j was computed via eq. ( ). 2) In the second approach, since the pure component vapor pressure (P sat i ) is commonly available , we used this reference data to compute ∆G self i,i via eq. ( ). We then combined this reference value of ∆G self i,i with our SMx predicted value of ∆G solv i,j to predict γ ∞ i,j . When computing statistics, for AAPD we use Y = γ ∞ i,j . For all other cases (R 2 , RMSE, and MUE) we use Y = ln γ ∞ i,j .