Table 1 Comparison of original models for estimating the enthalpy of sublimation and models re-derived in the current study.

From: Predicting the Enthalpy and Gibbs Energy of Sublimation by QSPR Modeling

  Politzer et al. Gharagheizi et al. Bagheri et al. Salahinejad et al.a Mathieu
Equation 5 6 7 10  
Number of descriptors 2 5 3 4 35
Literature: b
Dataset sizes
   (train.) 34 1079 1269 1042 814
   (test) 5 269 317 260 486
R2 (train.) 0.95 0.97 0.93 0.95 0.99
R2 (test) NAc 0.97 0.93 0.95 0.99
Errord 11.7 5.5 9.8 7.3 4.1
Re-derived here:e
R2 0.82 0.97 0.96 0.89 0.70
Std. dev.f 13.9 5.4 5.1 10.3 17.1
Largest deviationg
   Positive 127.7 15.8 14.5 34.7 132.1
   Negative −163.9 −31.5 −20.8 −90.4 −92.9