Placeholder

Development of a QSPR model for predicting octane number of alkanes using SD topological index


ZOIT¸ A-MARIOARA ˘ BERINDE, CLAUDIA BUTEAN, THOMAS DIPPONG


Full PDF

abs_cmi_2016_25_2_151-158

The octane number (ON, MON and PON) for the molecular structures of 18 octane isomers have been correlated using the quantitative structureproperty relationship (QSPR) method, with topological index SD. For single parameter correlation the index SD shows poor results (RON, r = 0.406; MON, r = 0.490; PON, r = 0.448), whereas for two-parameter correlation almost any combination among the above DC was found to give relatively high r value. The best correlation coefficients are as follows: for RON, r = 0.993; MON, r = 0.968; PON, r = 0.985. For RON, the best model obtained by our regression analysis is RON = −227.218 + 7.63 ∗ SD − 37.111 ∗ DC , with r = 0.993, s = 4.8, F = 534

Additional Information

Author(s)

Butean, Claudia, Berinde, Zoița, Mărioara