Abstract
A multidimensional QSPR model is proposed for calculating the critical pressure of normal and substituted alkenes from combinations of the topological descriptors of molecular graphs, i.e., the Wiener and Randic indices and function of the eigenvalues of the topological matrix, and indices that consider the differences between cis- and trans-isomers. It is shown that the QSPR model adequately describes the critical pressure of olefins for the liquid–vapor phase transition. It is concluded that the obtained results can be recommended for determining the critical properties of known and novel alkenes. They can be used when making scientific and engineering calculations in petroleum chemistry and the technology of supercritical fluids.
Published Version
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