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Prediction of Vaporization Enthalpy of Pure Compounds using a Group Contribution-Based Method

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posted on 18.05.2011, 00:00 by Farhad Gharagheizi, Omid Babaie, Sahar Mazdeyasna
In this work, the artificial neural network–group contribution (ANN-GC) method is applied to estimate the vaporization enthalpy of pure chemical compounds at their normal boiling point. A group of 4907 pure compounds from various chemical families are investigated to propose a comprehensive and predictive model. The obtained results show the squared correlation coefficient (R2) of 0.993, root mean square error of 1.1 kJ/mol, and average absolute deviation lower than 1.5% for the estimated properties from existing experimental values.

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