Prediction of osmotic coefficients for ionic liquids in various solvents with artificial neural network

Yu Cao, Shun Yao, Xianlong Wang, Tian Yao, Hang Song

Abstract


The relationship between the structural descriptions and osmotic coefficients of binary mixtures containing sixteen different ionic liquids and seven kinds of solvents has been investigated by back propagation artificial neural network (BP ANN). The influence of temperature on the osmotic coef­ficients was considered and the concentrations of ionic liquids were close to 1 mol kg-1, except in acetonitrile. Multi linear regression (MLR) was used to choose the variables for the artificial neural network (ANN) model. A three layer BP ANN with seven variables containing structural descriptions of the ionic liquids and the character of the solvent as input variables was developed. Compared with experimental data, the osmotic coefficients calculated using the ANN model had a high squared correlation coefficient (R2) and a low root mean squared error (RMSE).  


Keywords


binary mixture; back propagation; artificial neural network; multi linear regression

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DOI: http://dx.doi.org/10.2298/JSC160725013D

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