| species | name | calculated | experimental | difference | 
| C4H8O2 | Butanoic acid | 6.828 |  |  | 
| C60 | Buckminsterfullerene | 67.585 | 79.000 | -11.415 | 
| C16H10 | Pyrene | 24.613 | 29.720 | -5.107 | 
| C6H5Br | bromobenzene | 9.731 | 14.700 | -4.969 | 
| SiH3Cl | chlorosilane | 4.476 | 9.113 | -4.637 | 
| CHBr3 | bromoform | 7.203 | 11.840 | -4.637 | 
| C14H10 | Anthracene | 22.287 | 26.700 | -4.413 | 
| ClF3 | Chlorine trifluoride | 3.277 | 7.483 | -4.206 | 
| CSe2 | Carbon diselenide | 7.064 | 11.269 | -4.205 | 
| ClF3 | Chlorine trifluoride | 3.369 | 7.483 | -4.114 | 
| CH2ClCH2CH3 | Propane, 1-chloro- | 5.960 | 10.000 | -4.040 | 
| TiCl4 | Titanium tetrachloride | 11.025 | 15.001 | -3.976 | 
| BBr3 | Boron tribromide | 7.393 | 11.351 | -3.958 | 
| CH2ClCH2CH3 | Propane, 1-chloro- | 6.077 | 10.000 | -3.923 | 
| CH2Br2 | dibromomethane | 4.972 | 8.680 | -3.708 | 
| C24H12 | Coronene | 38.903 | 42.499 | -3.596 | 
| HI | Hydrogen iodide | 1.943 | 5.453 | -3.510 | 
| (CH3)3CC(CH3)3 | tetramethylbutane | 12.133 | 15.610 | -3.477 | 
| Xe | Xenon atom | 0.552 | 4.005 | -3.454 | 
| PBr3 | Phosphorus tribromide | 11.023 | 14.380 | -3.357 | 
| CH3I | methyl iodide | 3.973 | 7.325 | -3.352 | 
| C10H8 | naphthalene | 14.069 | 17.400 | -3.330 | 
| Br2 | Bromine diatomic | 3.120 | 6.431 | -3.311 | 
| CH3CHBrCH3 | i-propyl bromide | 6.427 | 9.600 | -3.173 | 
| BCl3 | Borane, trichloro- | 5.532 | 8.700 | -3.168 | 
| C2H3Br | vinyl bromide | 4.429 | 7.590 | -3.161 | 
| C10H22 | Decane | 15.951 | 19.100 | -3.148 | 
| CH2CHCHCH2 | 1,3-Butadiene | 5.767 | 8.881 | -3.114 | 
| CS2 | Carbon disulfide | 5.683 | 8.749 | -3.066 | 
| C9H20 | Nonane | 14.324 | 17.370 | -3.046 | 
| Al2Cl6 | Aluminum, di-μ-chlorotetrachlorodi- | 15.005 | 17.886 | -2.881 | 
| C6H5CHO | benzaldehyde | 9.921 | 12.800 | -2.879 | 
| C6H5CHCH2 | Styrene | 11.531 | 14.409 | -2.878 | 
| GeCl4 | Germanium Tetrachloride | 9.616 | 12.490 | -2.874 | 
| CH2ClCHCl2 | 1,1,2-trichloroethane | 7.401 | 10.260 | -2.859 | 
| HCCCl | Chloroacetylene | 3.235 | 6.070 | -2.834 | 
| C6H5OCH3 | Anisole | 10.287 | 13.100 | -2.812 | 
| C6H4Cl2 | 1,3-dichlorobenzene | 10.981 | 13.729 | -2.748 | 
| C6H15N | triethylamine | 10.638 | 13.380 | -2.742 | 
| Cl2CS | Thiophosgene | 6.847 | 9.573 | -2.725 | 
| BrCN | Cyanogen bromide | 3.162 | 5.824 | -2.662 | 
| CH3CH2CH2Br | n-propyl bromide | 6.433 | 9.070 | -2.637 | 
| C6H5Cl | chlorobenzene | 9.236 | 11.861 | -2.625 | 
| CCl3CHO | trichloroacetaldehyde | 7.877 | 10.500 | -2.624 | 
| C6H5NH2 | aniline | 9.008 | 11.581 | -2.572 | 
| CH3Br | methyl bromide | 3.047 | 5.610 | -2.563 | 
| CHCl2CHF2 | 1,1-dichloro-2,2-difluoroethane | 5.839 | 8.401 | -2.562 | 
| CCl4 | Carbon tetrachloride | 7.466 | 10.002 | -2.536 | 
| C8H18 | Octane | 12.703 | 15.239 | -2.536 | 
| C6H5OH | phenol | 8.384 | 10.909 | -2.525 | 
| C6H5F | Fluorobenzene | 7.690 | 10.200 | -2.510 | 
| C2H5Br | Ethyl bromide | 4.773 | 7.280 | -2.508 | 
| CH2Cl2 | Methylene chloride | 4.153 | 6.659 | -2.507 | 
| C12H10 | biphenyl | 17.143 | 19.640 | -2.497 | 
| AsCl3 | Arsenous trichloride | 8.895 | 11.370 | -2.475 | 
| C6H4O2 | parabenzoquinone | 8.785 | 11.229 | -2.444 | 
| HBr | hydrogen bromide | 1.173 | 3.616 | -2.442 | 
| C6H5CH3 | toluene | 9.442 | 11.861 | -2.419 | 
| H2Se | Hydrogen selenide | 2.355 | 4.770 | -2.416 | 
| CF3Br | Bromotrifluoromethane | 3.241 | 5.650 | -2.409 | 
| CH2ClCH2Cl | Ethane, 1,2-dichloro- | 5.599 | 8.000 | -2.402 | 
| C6H12 | hex-1-ene | 9.255 | 11.650 | -2.395 | 
| CHCl3 | Chloroform | 5.765 | 8.129 | -2.365 | 
| C6H6 | Benzene | 7.624 | 9.959 | -2.336 | 
| Na | Sodium atom | 21.779 | 24.110 | -2.331 | 
| C4H5N | Pyrrole | 5.624 | 7.940 | -2.316 | 
| C7H16 | heptane | 11.089 | 13.371 | -2.282 | 
| C6H12 | Cyclohexane | 8.726 | 11.000 | -2.274 | 
| C10H16 | adamantane | 13.696 | 15.930 | -2.234 | 
| Li | Lithium atom | 22.102 | 24.330 | -2.228 | 
| CHFCl2 | fluorodichloromethane | 4.385 | 6.611 | -2.225 | 
| C6H10O | cyclohexanone | 8.906 | 11.061 | -2.154 | 
| Cl2 | Chlorine diatomic | 2.457 | 4.610 | -2.153 | 
| CH2CHCH2CH2CH3 | 1-pentene | 7.519 | 9.650 | -2.131 | 
| P | Phosphorus atom | 1.510 | 3.630 | -2.120 | 
| C5H10O | 3-Pentanone | 7.811 | 9.930 | -2.119 | 
| C4H4O | Furan | 5.119 | 7.230 | -2.111 | 
| C3F8 | perfluoropropane | 4.427 | 6.525 | -2.098 | 
| C3H7OC3H7 | di-n-propyl ether | 10.129 | 12.219 | -2.091 | 
| CH3CH2CH2CN | Butanenitrile | 6.314 | 8.400 | -2.086 | 
| CHCCH2CH3 | 1-Butyne | 5.328 | 7.410 | -2.082 | 
| CH3SCH3 | Dimethyl sulfide | 5.478 | 7.550 | -2.072 | 
| C6H5CN | phenyl cyanide | 9.944 | 11.981 | -2.037 | 
| CH2FCH2Cl | Ethane, 1-chloro-2-fluoro- | 4.466 | 6.499 | -2.033 | 
| CH2FCH2Cl | Ethane, 1-chloro-2-fluoro- | 4.468 | 6.499 | -2.031 | 
| C2H8N2 | Ethylenediamine | 5.176 | 7.200 | -2.024 | 
| CH3CH2SH | ethanethiol | 5.357 | 7.380 | -2.023 | 
| CH2CHCH2CH2CH3 | 1-pentene | 7.636 | 9.650 | -2.014 | 
| C2H4S | Thiirane | 4.896 | 6.910 | -2.014 | 
| N2O4 | Dinitrogen tetroxide | 4.491 | 6.495 | -2.004 | 
| CH3CH2SH | ethanethiol | 5.377 | 7.380 | -2.003 | 
| C3H4N2 | 1H-Imidazole | 5.114 | 7.090 | -1.976 | 
| BeH2 | beryllium dihydride | 2.370 | 4.340 | -1.971 | 
| C5H11N | Piperidine | 8.357 | 10.320 | -1.963 | 
| C3H7OC3H7 | di-n-propyl ether | 10.273 | 12.219 | -1.946 | 
| C4H2 | Diacetylene | 4.866 | 6.811 | -1.945 | 
| C5H8O | Cyclopentanone | 7.307 | 9.250 | -1.942 | 
| Si2H6 | disilane | 7.468 | 9.410 | -1.942 | 
| CF2Cl2 | difluorodichloromethane | 4.434 | 6.370 | -1.936 | 
| AsH3 | Arsine | 3.532 | 5.468 | -1.936 | 
| NH2CH2CH2CH3 | 1-Propanamine | 5.771 | 7.700 | -1.929 | 
| CH2ClCH2OH | 2-Chloroethanol | 4.961 | 6.880 | -1.919 | 
| C4H6O2 | 2,3-Butanedione | 6.286 | 8.201 | -1.915 | 
| C5H10 | Cyclopentane | 7.263 | 9.170 | -1.907 | 
| CH3COCH2CH3 | 2-Butanone | 6.294 | 8.190 | -1.896 | 
| C5H11N | Piperidine | 8.427 | 10.320 | -1.892 | 
| CH2CHCHO | Acrolein | 4.513 | 6.379 | -1.866 | 
| C4H6O2 | 2,3-Butanedione | 6.355 | 8.201 | -1.846 | 
| OCS | Carbonyl sulfide | 3.247 | 5.090 | -1.843 | 
| CH3CCH | propyne | 3.708 | 5.550 | -1.842 | 
| C4H10O | Methyl propyl ether | 7.018 | 8.860 | -1.842 | 
| C3H8O2 | Methane, dimethoxy- | 5.861 | 7.700 | -1.839 | 
| C3H7NO | dimethylformamide | 5.989 | 7.809 | -1.820 | 
| CH2CHCH2CH3 | 1-Butene | 6.024 | 7.830 | -1.807 | 
| CH3CH(CH3)CN | Propanenitrile, 2-methyl- | 6.251 | 8.049 | -1.799 | 
| CH3CH2COOH | Propanoic Acid | 5.215 | 6.960 | -1.745 | 
| Cl | Chlorine atom | 0.442 | 2.180 | -1.738 | 
| CH2CHCHO | Acrolein | 4.642 | 6.379 | -1.738 | 
| CH3CH(CH3)CH3 | Isobutane | 6.281 | 8.009 | -1.728 | 
| CF3Cl | Methane, chlorotrifluoro- | 2.929 | 4.650 | -1.721 | 
| CH3CH2CH2CH3 | Butane | 6.329 | 8.020 | -1.691 | 
| C4H10O | 1-Butanol | 6.886 | 8.570 | -1.684 | 
| H2S | Hydrogen sulfide | 1.953 | 3.631 | -1.677 | 
| CH2CO | Ketene | 2.734 | 4.400 | -1.666 | 
| CH3Cl | Methyl chloride | 2.758 | 4.416 | -1.658 | 
| C2F6 | hexafluoroethane | 3.017 | 4.668 | -1.650 | 
| C4H8O2 | Ethyl acetate | 6.997 | 8.620 | -1.623 | 
| C3H8O2 | Methane, dimethoxy- | 6.087 | 7.700 | -1.613 | 
| C2H2 | Acetylene | 1.897 | 3.487 | -1.590 | 
| CH2CHCH3 | Propene | 4.418 | 5.990 | -1.572 | 
| CH3CH2CHO | Propanal | 4.783 | 6.350 | -1.567 | 
| HCl | Hydrogen chloride | 0.948 | 2.515 | -1.567 | 
| CH2FCl | fluorochloromethane | 2.945 | 4.509 | -1.565 | 
| C2N2 | Cyanogen | 3.459 | 5.015 | -1.555 | 
| CF3CHF2 | pentafluoroethane | 3.076 | 4.623 | -1.547 | 
| C2H5CN | ethyl cyanide | 4.716 | 6.240 | -1.524 | 
| SeF6 | Selenium hexafluoride | 3.821 | 5.320 | -1.499 | 
| HCOOC2H5 | Ethyl formate | 5.406 | 6.880 | -1.474 | 
| CH3COCH3 | Acetone | 4.800 | 6.270 | -1.469 | 
| CH3SH | Methanethiol | 3.722 | 5.186 | -1.465 | 
| C3H7ONO | Propyl nitrite | 7.035 | 8.500 | -1.465 | 
| CH2CCH2 | allene | 4.232 | 5.690 | -1.458 | 
| Ar | Argon atom | 0.214 | 1.664 | -1.450 | 
| C3H6 | Cyclopropane | 4.191 | 5.640 | -1.449 | 
| C2H4 | Ethylene | 2.739 | 4.188 | -1.449 | 
| SiH4 | Silane | 3.333 | 4.777 | -1.445 | 
| CF3CH2F | 1,1,1,2-tetrafluoroethane | 3.109 | 4.549 | -1.441 | 
| CHF2Cl | difluorochloromethane | 3.004 | 4.440 | -1.435 | 
| As4 | Arsenic tetramer | 15.873 | 17.293 | -1.420 | 
| C3H5Cl | 1-Propene, 3-chloro- | 5.987 | 7.400 | -1.414 | 
| O3 | Ozone | 1.674 | 3.079 | -1.406 | 
| CHONH2 | formamide | 2.680 | 4.080 | -1.399 | 
| CHONH2 | formamide | 2.680 | 4.080 | -1.399 | 
| C3F6 | hexafluoropropene | 4.444 | 5.838 | -1.395 | 
| C3H7OH | 1-Propanol | 5.301 | 6.670 | -1.369 | 
| N2H4 | Hydrazine | 2.101 | 3.460 | -1.359 | 
| CH3NO2 | Methane, nitro- | 3.445 | 4.800 | -1.355 | 
| GeF4 | Germanium tetrafluoride | 2.696 | 4.050 | -1.354 | 
| C3H7OH | 1-Propanol | 5.321 | 6.670 | -1.349 | 
| C3H6O3 | 1,3,5-Trioxane | 5.683 | 7.020 | -1.336 | 
| CH3SOCH3 | Dimethyl sulfoxide | 6.644 | 7.969 | -1.326 | 
| CH3OCH3 | Dimethyl ether | 3.838 | 5.160 | -1.322 | 
| CH3CH2OH | Ethanol | 3.800 | 5.112 | -1.312 | 
| C3H7ONO | Propyl nitrite | 7.216 | 8.500 | -1.284 | 
| NO2 | Nitrogen dioxide | 1.649 | 2.910 | -1.261 | 
| C6F6 | hexafluorobenzene | 8.322 | 9.580 | -1.258 | 
| N2O | Nitrous oxide | 1.786 | 2.998 | -1.212 | 
| PH3 | Phosphine | 3.034 | 4.237 | -1.202 | 
| C2H6O2S | Dimethyl sulfone | 7.221 | 8.401 | -1.180 | 
| GeH4 | Germane | 3.593 | 4.770 | -1.177 | 
| C2H4O | Ethylene oxide | 3.254 | 4.431 | -1.176 | 
| SO2 | Sulfur dioxide | 2.713 | 3.882 | -1.169 | 
| C3H2N2 | Malononitrile | 4.645 | 5.790 | -1.144 | 
| C3H8 | Propane | 4.780 | 5.921 | -1.141 | 
| CHF3 | Methane, trifluoro- | 1.662 | 2.801 | -1.139 | 
| CH3CN | Acetonitrile | 3.158 | 4.280 | -1.122 | 
| HCOOH | Formic acid | 2.208 | 3.319 | -1.112 | 
| CH3NH2 | methyl amine | 2.679 | 3.754 | -1.074 | 
| B2H6 | Diborane | 4.059 | 5.115 | -1.057 | 
| HCN | Hydrogen cyanide | 1.539 | 2.593 | -1.054 | 
| NH3 | Ammonia | 1.050 | 2.103 | -1.053 | 
| HCOOH | Formic acid | 2.269 | 3.319 | -1.051 | 
| CH2F2 | Methane, difluoro- | 1.726 | 2.761 | -1.035 | 
| C2H6 | Ethane | 3.192 | 4.226 | -1.034 | 
| H2CO | Formaldehyde | 1.759 | 2.770 | -1.011 | 
| NF3 | Nitrogen trifluoride | 1.832 | 2.810 | -0.978 | 
| CH3OH | Methyl alcohol | 2.236 | 3.210 | -0.974 | 
| C2H6 | Ethane | 3.256 | 4.226 | -0.970 | 
| CH3CHO | Acetaldehyde | 3.327 | 4.278 | -0.951 | 
| B | Boron atom | 2.090 | 3.030 | -0.940 | 
| F2SO | Thionyl Fluoride | 2.995 | 3.927 | -0.932 | 
| CO2 | Carbon dioxide | 1.586 | 2.507 | -0.922 | 
| C2H5F | fluoroethane | 3.273 | 4.164 | -0.891 | 
| PF5 | Phosphorus pentafluoride | 2.811 | 3.650 | -0.839 | 
| H2O | Water | 0.673 | 1.501 | -0.828 | 
| FCN | Cyanogen fluoride | 1.725 | 2.550 | -0.825 | 
| NO | Nitric oxide | 0.892 | 1.698 | -0.806 | 
| SF6 | Sulfur Hexafluoride | 3.703 | 4.490 | -0.787 | 
| CH3F | Methyl fluoride | 1.754 | 2.540 | -0.786 | 
| O2 | Oxygen diatomic | 0.792 | 1.562 | -0.770 | 
| CH4 | Methane | 1.729 | 2.448 | -0.719 | 
| CO | Carbon monoxide | 1.257 | 1.953 | -0.696 | 
| SO3 | Sulfur trioxide | 3.608 | 4.297 | -0.689 | 
| F2 | Fluorine diatomic | 0.478 | 1.160 | -0.682 | 
| N2 | Nitrogen diatomic | 1.031 | 1.710 | -0.679 | 
| B3N3H6 | borazine | 7.423 | 8.000 | -0.577 | 
| HF | Hydrogen fluoride | 0.275 | 0.800 | -0.525 | 
| Ne | Neon atom | 0.018 | 0.381 | -0.363 | 
| CO | Carbon monoxide | 1.642 | 1.953 | -0.311 | 
| C10H8 | Azulene | 15.414 | 15.520 | -0.106 | 
| Be | Beryllium atom | 5.771 | 5.600 | 0.171 | 
| N2 | Nitrogen diatomic | 9.898 | 1.710 | 8.188 | 
| CaO | Calcium monoxide | 12.882 | 2.841 | 10.041 |