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. 2015 Aug 10;9:4515–4549. doi: 10.2147/DDDT.S86529

Table 2.

Exploratory data analysis of subclasses of actives (I and II) using the six-term descriptive statistics

Statistics MW RBN nCIC nHDon nHAcc ALogP TPSA Qm Energy Dipole moment HOMO LUMO HOMO–LUMO
Actives I
 Min 167.2 0.000 0.000 0.000 1.000 −2.936 29.260 0.137 −0.908 0.747 −0.572 −0.298 0.217
 Q1 333.5 3.000 3.000 2.000 5.000 0.637 73.250 0.203 −0.264 3.998 −0.353 −0.036 0.303
 Median 381.0 5.000 3.000 3.000 7.000 1.587 85.250 0.219 −0.133 5.675 −0.343 −0.023 0.317
 Mean 381.9 5.000 3.103 2.636 6.961 1.585 89.980 0.224 −0.154 7.976 −0.350 −0.029 0.320
 Q3 429.4 6.000 4.000 3.000 8.000 2.577 104.670 0.237 −0.041 7.635 −0.331 −0.006 0.334
 Max 753.8 16.000 6.000 9.000 16.000 6.598 234.780 0.535 0.488 80.233 −0.286 0.047 0.386
Actives II
 Min 202.4 2.000 1.000 1.000 3.000 −2.163 47.950 0.162 −0.695 1.035 −0.492 −0.155 0.243
 Q1 375.5 4.000 3.000 3.000 5.000 0.350 69.460 0.200 −0.216 4.861 −0.411 −0.127 0.293
 Median 403.4 5.000 3.000 3.000 6.000 1.504 84.660 0.210 −0.034 7.328 −0.349 −0.035 0.305
 Mean 407.0 5.052 3.431 3.263 6.557 1.463 86.870 0.217 −0.093 19.814 −0.367 −0.062 0.304
 Q3 435.4 6.000 4.000 4.000 8.000 2.641 101.040 0.224 0.068 33.395 −0.332 −0.023 0.316
 Max 658.7 16.000 6.000 7.000 14.000 4.985 188.480 0.390 0.271 284.562 −0.307 0.037 0.386

Abbreviations: ALogP, Ghose–Crippen octanol–water partition coefficient; HOMO, highest occupied molecular orbital; HOMO–LUMO, energy gap between the HOMO and LUMO states; LUMO, lowest unoccupied molecular orbital; Max, maximum; Min, minimum; MW, molecular weight; nCIC, number of rings; nHAcc, number of hydrogen bond acceptors; nHDon, number of hydrogen bond donors; Q1, first quartile; Q3, third quartile; Qm, mean absolute charge; RBN, rotatable bond number; TPSA, topological polar surface area.