| species | name | calculated | experimental | difference | 
| C4H8O2 | Butanoic acid | 7.264 |  |  | 
| ClF3 | Chlorine trifluoride | 2.868 | 7.483 | -4.615 | 
| N2 | Nitrogen diatomic | -2.792 | 1.710 | -4.502 | 
| CH3CHClCH2CH3 | Butane, 2-chloro- | 8.051 | 12.499 | -4.448 | 
| ClF3 | Chlorine trifluoride | 3.129 | 7.483 | -4.354 | 
| SiH3Cl | chlorosilane | 4.799 | 9.113 | -4.315 | 
| PBr3 | Phosphorus tribromide | 10.197 | 14.380 | -4.183 | 
| C16H10 | Pyrene | 25.780 | 29.720 | -3.940 | 
| GeCl4 | Germanium Tetrachloride | 9.001 | 12.490 | -3.489 | 
| Al2Cl6 | Aluminum, di-μ-chlorotetrachlorodi- | 14.407 | 17.886 | -3.479 | 
| AsCl3 | Arsenous trichloride | 8.129 | 11.370 | -3.241 | 
| PCl3 | Phosphorus trichloride | 7.395 | 10.634 | -3.238 | 
| CH2ClCH2CH2CH3 | Butane, 1-chloro- | 8.077 | 11.301 | -3.223 | 
| BBr3 | Boron tribromide | 8.322 | 11.351 | -3.029 | 
| CCl3CHO | trichloroacetaldehyde | 7.498 | 10.500 | -3.003 | 
| SiCl4 | Silane, tetrachloro- | 8.288 | 11.269 | -2.981 | 
| Cl2CS | Thiophosgene | 6.604 | 9.573 | -2.968 | 
| CH2Br2 | dibromomethane | 5.712 | 8.680 | -2.968 | 
| CSe2 | Carbon diselenide | 8.304 | 11.269 | -2.965 | 
| CCl4 | Carbon tetrachloride | 7.058 | 10.002 | -2.945 | 
| BCl3 | Borane, trichloro- | 5.784 | 8.700 | -2.916 | 
| CH3CCl3 | Ethane, 1,1,1-trichloro- | 7.395 | 10.120 | -2.725 | 
| As4 | Arsenic tetramer | 14.649 | 17.293 | -2.645 | 
| CHClCCl2 | Trichloroethylene | 7.147 | 9.751 | -2.604 | 
| CFCl3 | Trichloromonofluoromethane | 5.667 | 8.249 | -2.583 | 
| CHCl2CHF2 | 1,1-dichloro-2,2-difluoroethane | 5.866 | 8.401 | -2.534 | 
| CS2 | Carbon disulfide | 6.219 | 8.749 | -2.530 | 
| CHCl3 | Chloroform | 5.615 | 8.129 | -2.515 | 
| (CH3)3CC(CH3)3 | tetramethylbutane | 13.144 | 15.610 | -2.466 | 
| CH3CHBrCH3 | i-propyl bromide | 7.183 | 9.600 | -2.417 | 
| CH2Cl2 | Methylene chloride | 4.248 | 6.659 | -2.411 | 
| CHClCHCl | Ethene, 1,2-dichloro-, (Z)- | 5.644 | 8.030 | -2.386 | 
| CHClCHCl | Ethene, 1,2-dichloro-, (E)- | 5.818 | 8.150 | -2.332 | 
| CH2CHCHCH2 | 1,3-Butadiene | 6.569 | 8.881 | -2.312 | 
| HCCCl | Chloroacetylene | 3.762 | 6.070 | -2.308 | 
| C10H8 | naphthalene | 15.199 | 17.400 | -2.201 | 
| CCl2O | Phosgene | 4.596 | 6.790 | -2.194 | 
| CH3CHCl2 | Ethane, 1,1-dichloro- | 6.012 | 8.161 | -2.149 | 
| CH2ClCH2Cl | Ethane, 1,2-dichloro- | 5.860 | 8.000 | -2.141 | 
| C10H22 | Decane | 16.960 | 19.100 | -2.140 | 
| C9H20 | Nonane | 15.259 | 17.370 | -2.111 | 
| CH2CCl2 | Ethene, 1,1-dichloro- | 5.727 | 7.830 | -2.104 | 
| CF2Cl2 | difluorodichloromethane | 4.294 | 6.370 | -2.076 | 
| C6H4Cl2 | 1,3-dichlorobenzene | 11.662 | 13.729 | -2.067 | 
| BrCN | Cyanogen bromide | 3.775 | 5.824 | -2.049 | 
| C6H15N | triethylamine | 11.342 | 13.380 | -2.038 | 
| C2H3Cl | Ethene, chloro- | 4.374 | 6.410 | -2.037 | 
| P4 | Phosphorus tetramer | 11.574 | 13.589 | -2.014 | 
| Cl2 | Chlorine diatomic | 2.604 | 4.610 | -2.006 | 
| CH2ClCH2Cl | Ethane, 1,2-dichloro- | 5.999 | 8.000 | -2.002 | 
| BeH2 | beryllium dihydride | 2.384 | 4.340 | -1.956 | 
| H2Se | Hydrogen selenide | 2.814 | 4.770 | -1.956 | 
| CH3Br | methyl bromide | 3.683 | 5.610 | -1.927 | 
| NO2 | Nitrogen dioxide | 0.990 | 2.910 | -1.920 | 
| CH3CH2CH2Br | n-propyl bromide | 7.165 | 9.070 | -1.905 | 
| CH2FCH2Cl | Ethane, 1-chloro-2-fluoro- | 4.638 | 6.499 | -1.861 | 
| CH3CH2Cl | Ethyl chloride | 4.730 | 6.590 | -1.860 | 
| C2H4S | Thiirane | 5.076 | 6.910 | -1.834 | 
| CH3SCH3 | Dimethyl sulfide | 5.717 | 7.550 | -1.833 | 
| C2H5Br | Ethyl bromide | 5.449 | 7.280 | -1.832 | 
| CH2FCH2Cl | Ethane, 1-chloro-2-fluoro- | 4.672 | 6.499 | -1.828 | 
| P | Phosphorus atom | 1.828 | 3.630 | -1.802 | 
| C6H12 | hex-1-ene | 9.898 | 11.650 | -1.753 | 
| C5H12 | Propane, 2,2-dimethyl- | 8.488 | 10.240 | -1.752 | 
| CH3CH2SH | ethanethiol | 5.630 | 7.380 | -1.749 | 
| CH2ClCH2OH | 2-Chloroethanol | 5.149 | 6.880 | -1.731 | 
| O3 | Ozone | 1.350 | 3.079 | -1.729 | 
| C2H6O2S | Dimethyl sulfone | 6.674 | 8.401 | -1.726 | 
| CH3CH2SH | ethanethiol | 5.671 | 7.380 | -1.709 | 
| C6H5F | Fluorobenzene | 8.492 | 10.200 | -1.708 | 
| CF3Cl | Methane, chlorotrifluoro- | 2.985 | 4.650 | -1.665 | 
| CH3CH2CH2CN | Butanenitrile | 6.783 | 8.400 | -1.617 | 
| C5H10 | 2-Pentene, (E)- | 8.227 | 9.839 | -1.612 | 
| C4H5N | Pyrrole | 6.350 | 7.940 | -1.590 | 
| PF3 | Phosphorus trifluoride | 2.825 | 4.414 | -1.589 | 
| SeF6 | Selenium hexafluoride | 3.750 | 5.320 | -1.570 | 
| C5H10O | 3-Pentanone | 8.370 | 9.930 | -1.559 | 
| CHOCHCHCH3 | 2-Butenal | 6.944 | 8.500 | -1.556 | 
| CHCCH2CH3 | 1-Butyne | 5.856 | 7.410 | -1.554 | 
| C4H4O | Furan | 5.691 | 7.230 | -1.539 | 
| C3H4N2 | 1H-Pyrazole | 5.696 | 7.230 | -1.534 | 
| CH3CH(NH2)CH3 | 2-Propanamine | 6.259 | 7.769 | -1.510 | 
| C4H4S | Thiophene | 7.509 | 9.010 | -1.501 | 
| C6H12 | Cyclohexane | 9.503 | 11.000 | -1.497 | 
| NH2CH2CH2CH3 | 1-Propanamine | 6.219 | 7.700 | -1.481 | 
| CH2CHCHO | Acrolein | 4.900 | 6.379 | -1.479 | 
| AsH3 | Arsine | 3.998 | 5.468 | -1.470 | 
| C4H10O | Methyl propyl ether | 7.399 | 8.860 | -1.461 | 
| CH3SOCH3 | Dimethyl sulfoxide | 6.513 | 7.969 | -1.457 | 
| H2S | Hydrogen sulfide | 2.174 | 3.631 | -1.456 | 
| C6H6 | Benzene | 8.513 | 9.959 | -1.447 | 
| C3H7OC3H7 | di-n-propyl ether | 10.786 | 12.219 | -1.433 | 
| C3H4N2 | 1H-Imidazole | 5.667 | 7.090 | -1.423 | 
| C5H8O | Cyclopentanone | 7.830 | 9.250 | -1.420 | 
| CH3CCCH3 | 2-Butyne | 6.062 | 7.480 | -1.418 | 
| C2F6 | hexafluoroethane | 3.256 | 4.668 | -1.412 | 
| OCS | Carbonyl sulfide | 3.681 | 5.090 | -1.409 | 
| CH3Cl | Methyl chloride | 3.009 | 4.416 | -1.407 | 
| CH3CCH | propyne | 4.149 | 5.550 | -1.401 | 
| CH3CH2COOH | Propanoic Acid | 5.580 | 6.960 | -1.380 | 
| Cl | Chlorine atom | 0.812 | 2.180 | -1.368 | 
| CH2CHCHO | Acrolein | 5.013 | 6.379 | -1.366 | 
| Si2H6 | disilane | 8.046 | 9.410 | -1.364 | 
| CH2C(CH3)CH3 | 1-Propene, 2-methyl- | 6.526 | 7.880 | -1.355 | 
| C5H12 | Pentane | 8.526 | 9.879 | -1.353 | 
| CHOCH2CH2CH3 | Butanal | 6.829 | 8.180 | -1.351 | 
| CF3CHF2 | pentafluoroethane | 3.274 | 4.623 | -1.349 | 
| C4H2 | Diacetylene | 5.466 | 6.811 | -1.345 | 
| C2H5SC2H5 | Diethyl sulfide | 9.220 | 10.549 | -1.330 | 
| C5H10 | Cyclopentane | 7.852 | 9.170 | -1.318 | 
| CH3CH(CH3)CN | Propanenitrile, 2-methyl- | 6.744 | 8.049 | -1.305 | 
| C4H10O | 2-Butanol, (.+/-.)- | 7.267 | 8.570 | -1.303 | 
| CH2CHCH2CH3 | 1-Butene | 6.531 | 7.830 | -1.299 | 
| C4H8O2 | Ethyl acetate | 7.338 | 8.620 | -1.282 | 
| C3H7ONO | Propyl nitrite | 7.223 | 8.500 | -1.277 | 
| SF6 | Sulfur Hexafluoride | 3.214 | 4.490 | -1.276 | 
| C2H6O2 | 1,2-Ethanediol | 4.436 | 5.710 | -1.274 | 
| CH3CH2NH2 | Ethylamine | 4.597 | 5.870 | -1.273 | 
| C4H10O | 1-Butanol | 7.300 | 8.570 | -1.270 | 
| C4H10O | Ethoxy ethane | 7.466 | 8.730 | -1.264 | 
| HCl | Hydrogen chloride | 1.255 | 2.515 | -1.260 | 
| C2N2 | Cyanogen | 3.762 | 5.015 | -1.252 | 
| CH3SH | Methanethiol | 3.934 | 5.186 | -1.252 | 
| CH3CHCHCH3 | 2-Butene, (E)- | 6.633 | 7.880 | -1.248 | 
| CH3COOCH3 | methyl acetate | 5.619 | 6.811 | -1.192 | 
| C3F6 | hexafluoropropene | 4.650 | 5.838 | -1.189 | 
| C3H6O3 | 1,3,5-Trioxane | 5.833 | 7.020 | -1.186 | 
| CH2CO | Ketene | 3.221 | 4.400 | -1.178 | 
| N2H4 | Hydrazine | 2.287 | 3.460 | -1.173 | 
| HCOOC2H5 | Ethyl formate | 5.716 | 6.880 | -1.164 | 
| CH3CH2CHO | Propanal | 5.190 | 6.350 | -1.160 | 
| CH3COOH | Acetic acid | 3.990 | 5.149 | -1.159 | 
| CH2CHCH3 | Propene | 4.832 | 5.990 | -1.158 | 
| C2H2 | Acetylene | 2.331 | 3.487 | -1.156 | 
| GeF4 | Germanium tetrafluoride | 2.895 | 4.050 | -1.155 | 
| CH3CH2CH2CH3 | Butane | 6.874 | 8.020 | -1.145 | 
| CH3CH(CH3)CH3 | Isobutane | 6.867 | 8.009 | -1.143 | 
| C2H5CN | ethyl cyanide | 5.109 | 6.240 | -1.131 | 
| Ar | Argon atom | 0.566 | 1.664 | -1.098 | 
| CH3CONH2 | Acetamide | 4.573 | 5.670 | -1.097 | 
| NF3 | Nitrogen trifluoride | 1.716 | 2.810 | -1.094 | 
| CH3OCH3 | Dimethyl ether | 4.068 | 5.160 | -1.092 | 
| C2H4 | Ethylene | 3.096 | 4.188 | -1.091 | 
| CH3NO2 | Methane, nitro- | 3.711 | 4.800 | -1.089 | 
| CH3CH2OH | Ethanol | 4.038 | 5.112 | -1.074 | 
| CH3COCH3 | Acetone | 5.198 | 6.270 | -1.072 | 
| CH3CF3 | Ethane, 1,1,1-trifluoro- | 3.341 | 4.400 | -1.058 | 
| SO2 | Sulfur dioxide | 2.826 | 3.882 | -1.057 | 
| CHONH2 | formamide | 3.027 | 4.080 | -1.052 | 
| CHONH2 | formamide | 3.035 | 4.080 | -1.044 | 
| CH2CCH2 | allene | 4.648 | 5.690 | -1.042 | 
| CH3OCHO | methyl formate | 4.012 | 5.050 | -1.038 | 
| C3H6 | Cyclopropane | 4.607 | 5.640 | -1.033 | 
| C3H7OH | 1-Propanol | 5.647 | 6.670 | -1.023 | 
| CF4 | Carbon tetrafluoride | 1.806 | 2.824 | -1.018 | 
| CH3CHOHCH3 | Isopropyl alcohol | 5.656 | 6.670 | -1.014 | 
| F2SO | Thionyl Fluoride | 2.922 | 3.927 | -1.005 | 
| CHF3 | Methane, trifluoro- | 1.831 | 2.801 | -0.970 | 
| C2H4O | Ethylene oxide | 3.462 | 4.431 | -0.969 | 
| SiH4 | Silane | 3.834 | 4.777 | -0.944 | 
| CH2F2 | Methane, difluoro- | 1.856 | 2.761 | -0.904 | 
| SO3 | Sulfur trioxide | 3.397 | 4.297 | -0.900 | 
| HCOOH | Formic acid | 2.430 | 3.319 | -0.889 | 
| PF5 | Phosphorus pentafluoride | 2.782 | 3.650 | -0.868 | 
| PH3 | Phosphine | 3.372 | 4.237 | -0.864 | 
| N2O | Nitrous oxide | 2.139 | 2.998 | -0.858 | 
| HCOOH | Formic acid | 2.464 | 3.319 | -0.856 | 
| O2 | Oxygen diatomic | 0.708 | 1.562 | -0.854 | 
| NO | Nitric oxide | 0.853 | 1.698 | -0.845 | 
| O2 | Oxygen diatomic | 0.718 | 1.562 | -0.844 | 
| SiF4 | Silicon tetrafluoride | 2.483 | 3.319 | -0.836 | 
| CH3OH | Methyl alcohol | 2.378 | 3.210 | -0.831 | 
| CH3NHCH3 | Dimethylamine | 4.617 | 5.447 | -0.830 | 
| CH3NH2 | methyl amine | 2.924 | 3.754 | -0.830 | 
| CH3CN | Acetonitrile | 3.467 | 4.280 | -0.813 | 
| H2CO | Formaldehyde | 1.959 | 2.770 | -0.811 | 
| NH3 | Ammonia | 1.295 | 2.103 | -0.808 | 
| HCN | Hydrogen cyanide | 1.805 | 2.593 | -0.789 | 
| C3H2N2 | Malononitrile | 5.029 | 5.790 | -0.761 | 
| BF3 | Borane, trifluoro- | 1.660 | 2.420 | -0.759 | 
| N(CH3)3 | Trimethylamine | 6.326 | 7.076 | -0.750 | 
| H2O | Water | 0.774 | 1.501 | -0.727 | 
| C3H8 | Propane | 5.233 | 5.921 | -0.688 | 
| CH3CHO | Acetaldehyde | 3.629 | 4.278 | -0.649 | 
| CH3F | Methyl fluoride | 1.903 | 2.540 | -0.637 | 
| C2H6 | Ethane | 3.595 | 4.226 | -0.631 | 
| CO | Carbon monoxide | 1.333 | 1.953 | -0.621 | 
| B2H6 | Diborane | 4.517 | 5.115 | -0.599 | 
| F2 | Fluorine diatomic | 0.565 | 1.160 | -0.595 | 
| CO2 | Carbon dioxide | 1.915 | 2.507 | -0.592 | 
| GeH4 | Germane | 4.216 | 4.770 | -0.554 | 
| N2 | Nitrogen diatomic | 1.208 | 1.710 | -0.502 | 
| CH4 | Methane | 1.952 | 2.448 | -0.496 | 
| CO | Carbon monoxide | 1.465 | 1.953 | -0.488 | 
| C5H8 | Spiropentane | 7.589 | 8.049 | -0.461 | 
| HF | Hydrogen fluoride | 0.364 | 0.800 | -0.436 | 
| H2 | Hydrogen diatomic | 0.437 | 0.787 | -0.351 | 
| Ne | Neon atom | 0.071 | 0.381 | -0.310 | 
| C5H12 | Butane, 2-methyl- | 8.468 | 8.770 | -0.302 | 
| H2+ | Hydrogen cation | 0.362 | 0.469 | -0.107 | 
| Be | Beryllium atom | 6.031 | 5.600 | 0.431 | 
| C10H8 | Azulene | 16.928 | 15.520 | 1.408 | 
| Li | Lithium atom | 32.516 | 24.330 | 8.186 | 
| CaO | Calcium monoxide | 11.940 | 2.841 | 9.100 |