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Table 5 Descriptors used in this study for identifying the best linear model

From: Computational analysis and predictive modeling of polymorph descriptors

Class

Name of Descriptors

Constitutional

Number of double bonds

Number of aromatic bonds

Number of Oxygen atoms

Average distance sum connectivity index

ESP-RNCS: Relative negative charged SA (SAMNEG*RNCG)

ESP-RPCS Relative positive charge SA (QMPOS/QTPLUS)

[Zefirov’s PC]

WPSA3 weighted PPSA (PPSA3*TMSA/1000)

[Zefirov's PC]

ESP-FPSA-1 Fractional PPSA (PPSA-1/TMSA)

Thermodynamic

Translational Entropy

Total Entropy

Total Enthalpy

Electrostatic

Max partial charge

Max partial charge for a hydrogen atom

Max partial charge for a carbon atom

Quantum Chemical

Max atomic orbital electronic population

ESP-Max net atomic charge

Avg electroph. react. index for a O atom

Max 1-electron react. index for a C atom

Max SIGMA-PI bond order

ESP-Max net atomic charge

ESP-Max net atomic charge for a N atom

min(#HA, #HD) [Quantum-Chemical PC]

Min e-n attraction for a C-C bond

Min e-n attraction for a C-H bond

HOMO-1 energy (Molecular orbital related)

 

LUMO + 1 energy (Molecular orbital related)