| Species | Name | Bond type | Bond Length (Å) | 
| Experimental | unc. | Calculated | Difference | atom1 | atom2 | 
| C4H10O | Methyl propyl ether | rCC | 1.530 |  | 1.095 | -0.435 | 5 | 13 | 
| LiO | lithium oxide | rLiO | 1.688 |  | 1.586 | -0.102 | 1 | 2 | 
| Si2 | Silicon diatomic | rSiSi | 2.246 |  | 2.167 | -0.079 | 1 | 2 | 
| C5H10 | 2-Pentene, (E)- | rCC | 1.576 |  | 1.529 | -0.047 | 11 | 15 | 
| C2Cl2 | dichloroacetylene | rC#C | 1.246 | ±0.030 | 1.200 | -0.046 | 1 | 2 | 
| C6H6 | Fulvene | rCH | 1.130 | ±0.030 | 1.085 | -0.045 | 2 | 7 | 
| ScH | Scandium monohydride | rScH | 1.775 | ±0.000 | 1.734 | -0.041 | 1 | 2 | 
| C5H6 | Bicyclo[2.1.0]pent-2-ene | rCC | 1.560 |  | 1.519 | -0.041 | 3 | 5 | 
| C5H8O | Methyl cyclopropyl ketone | rCH | 1.126 |  | 1.089 | -0.037 | 3 | 7 | 
| C4H5N | Cyclopropanecarbonitrile | rCC | 1.472 |  | 1.436 | -0.036 | 6 | 8 | 
| KF | Potassium Fluoride | rKF | 2.171 | ±0.000 | 2.136 | -0.035 | 1 | 2 | 
| C6H5OCH3 | Anisole | rCO | 1.399 |  | 1.365 | -0.034 | 1 | 7 | 
| C5H8 | Bicyclo[2.1.0]pentane | rCC | 1.536 |  | 1.503 | -0.033 | 1 | 5 | 
| CH2ClCH2Cl | Ethane, 1,2-dichloro- | rCH | 1.112 |  | 1.087 | -0.025 | 1 | 5 | 
| C5H10 | 2-Pentene, (Z)- | rCC | 1.561 |  | 1.537 | -0.024 | 1 | 5 | 
| C2H2O2 | Ethanedial | rCH | 1.132 |  | 1.109 | -0.023 | 1 | 3 | 
| C7H16 | heptane | rCH | 1.121 | ±0.007 | 1.098 | -0.023 | 1 | 8 | 
| CuH | Copper monohydride | rCuH | 1.463 |  | 1.442 | -0.021 | 1 | 2 | 
| C5H5N | Bicyclo[1.1.0]butane-1-carbonitrile | rCC | 1.514 |  | 1.493 | -0.021 | 3 | 9 | 
| Si(CH3)4 | tetramethylsilane | rCH | 1.115 | ±7.000 | 1.095 | -0.020 | 2 | 6 | 
| CH3CH2CH2CH3 | Butane | rCH | 1.117 |  | 1.097 | -0.020 | 1 | 5 | 
| C9H8 | Indene | rCC | 1.415 | ±0.170 | 1.396 | -0.019 | 1 | 2 | 
| CH3OCl | methyl hypochlorite | rCH | 1.111 | ±0.018 | 1.093 | -0.018 | 3 | 4 | 
| C4H5NO | Isoxazole, 5-methyl- | rCC | 1.505 |  | 1.487 | -0.018 | 1 | 5 | 
| C4H5NO | 3-Methylisoxazole | rCC | 1.514 |  | 1.496 | -0.018 | 1 | 8 | 
| C5H6 | Propellane | rCC | 1.596 | ±0.005 | 1.578 | -0.018 | 2 | 5 | 
| C3H8O2 | 1,3-Propanediol | rOH | 0.980 |  | 0.963 | -0.017 | 6 | 8 | 
| N2O3 | Dinitrogen trioxide | rN=O | 1.217 |  | 1.200 | -0.017 | 2 | 5 | 
| CH2ClCH2Cl | Ethane, 1,2-dichloro- | rCC | 1.531 |  | 1.514 | -0.017 | 1 | 2 | 
| C4H8O2 | Ethyl acetate | rCH | 1.105 |  | 1.088 | -0.017 | 1 | 7 | 
| C5H9N | Pentanenitrile | rCC | 1.478 |  | 1.461 | -0.017 | 4 | 6 | 
| C4H5N | Cyclopropanecarbonitrile | rCC | 1.513 |  | 1.497 | -0.016 | 9 | 10 | 
| LiOH | lithium hydroxide | rOH | 0.969 |  | 0.953 | -0.016 | 1 | 3 | 
| C6H8 | (Z)-hexa-1,3,5-triene | rC=C | 1.368 |  | 1.352 | -0.016 | 1 | 2 | 
| N(CH3)3 | Trimethylamine | rCH | 1.109 |  | 1.093 | -0.016 | 2 | 8 | 
| C6H8 | (Z)-hexa-1,3,5-triene | rCH | 1.104 |  | 1.088 | -0.016 | 1 | 7 | 
| CH3COCl | Acetyl Chloride | rCH | 1.105 |  | 1.090 | -0.015 | 2 | 5 | 
| C3F6 | hexafluoropropene | rCF | 1.329 | ±0.003 | 1.314 | -0.015 | 1 | 4 | 
| C6H5OCH3 | Anisole | rCO | 1.433 |  | 1.418 | -0.015 | 7 | 8 | 
| CH2O2 | Dioxirane | rOO | 1.516 | ±0.003 | 1.501 | -0.015 | 4 | 5 | 
| C5H6 | 1-Buten-3-yne, 2-methyl- | rCC | 1.445 |  | 1.430 | -0.015 | 7 | 8 | 
| C4H4N2 | 1,3-Diazine | rC:N | 1.350 |  | 1.336 | -0.014 | 3 | 5 | 
| C2H | Ethynyl radical | rC#C | 1.217 |  | 1.203 | -0.014 | 1 | 2 | 
| C6H12 | (E)-3-methylpent-2-ene | rCC | 1.551 |  | 1.538 | -0.013 | 9 | 12 | 
| C4H4N2 | Succinonitrile | rCC | 1.561 |  | 1.548 | -0.013 | 1 | 2 | 
| CaF | Calcium monofluoride | rFCa | 1.967 | ±0.001 | 1.954 | -0.013 | 1 | 2 | 
| C5H8 | Ethenylcyclopropane | rCH | 1.099 |  | 1.086 | -0.013 | 1 | 6 | 
| B2H6 | Diborane | rBH | 1.200 |  | 1.188 | -0.012 | 1 | 5 | 
| LiOH | lithium hydroxide | rLiO | 1.582 |  | 1.570 | -0.012 | 1 | 2 | 
| CH3CH2CHO | Propanal | rCH | 1.103 |  | 1.092 | -0.011 | 1 | 6 | 
| LiNH2 | lithium amide | rLiN | 1.736 | ±0.003 | 1.725 | -0.011 | 1 | 2 | 
| C3H8O2 | Methane, dimethoxy- | rCO | 1.432 |  | 1.421 | -0.011 | 4 | 6 | 
| C3H5ClO | Oxirane, (chloromethyl)- | rCC | 1.475 |  | 1.465 | -0.010 | 3 | 4 | 
| CH3ONO | Methyl nitrite | rCH | 1.102 |  | 1.092 | -0.010 | 1 | 4 | 
| C10H8 | Azulene | rC:C | 1.414 |  | 1.404 | -0.010 | 7 | 9 | 
| O2+ | diatomic oxygen cation | rOO | 1.116 |  | 1.107 | -0.010 | 1 | 2 | 
| CH2CCHCH3 | 1,2-Butadiene | rC=C | 1.314 |  | 1.304 | -0.010 | 1 | 2 | 
| CH2FCl | fluorochloromethane | rCF | 1.370 | ±0.001 | 1.360 | -0.010 | 1 | 2 | 
| BeO | beryllium oxide | rBe=O | 1.331 |  | 1.321 | -0.010 | 1 | 2 | 
| CH3COCl | Acetyl Chloride | rC=O | 1.187 |  | 1.178 | -0.009 | 1 | 3 | 
| TiCl | Titanium Monochloride | rClTi | 2.265 | ±0.000 | 2.255 | -0.009 | 1 | 2 | 
| SiH2Cl2 | dichlorosilane | rSiH | 1.480 | ±0.015 | 1.471 | -0.009 | 1 | 2 | 
| C5H5N | Bicyclo[1.1.0]butane-1-carbonitrile | rCC | 1.518 |  | 1.509 | -0.009 | 3 | 7 | 
| CHF2Cl | difluorochloromethane | rCF | 1.350 | ±0.010 | 1.341 | -0.009 | 1 | 4 | 
| C5H6 | Bicyclo[2.1.0]pent-2-ene | rCC | 1.530 |  | 1.522 | -0.008 | 1 | 3 | 
| C5H5N | Pyridine | rC:C | 1.400 |  | 1.392 | -0.008 | 2 | 5 | 
| NaF | sodium fluoride | rNaF | 1.926 | ±0.000 | 1.918 | -0.008 | 1 | 2 | 
| CFCl3 | Trichloromonofluoromethane | rCF | 1.345 | ±0.003 | 1.337 | -0.008 | 1 | 2 | 
| C2H3Cl | Ethene, chloro- | rCH | 1.090 |  | 1.082 | -0.008 | 1 | 4 | 
| C3H6O | Propylene oxide | rCC | 1.513 |  | 1.505 | -0.008 | 2 | 6 | 
| C6H6 | Fulvene | rC=C | 1.349 | ±0.002 | 1.341 | -0.008 | 1 | 2 | 
| N2O3 | Dinitrogen trioxide | rN=O | 1.142 |  | 1.135 | -0.007 | 1 | 3 | 
| C8H8 | cubane | rCH | 1.097 |  | 1.090 | -0.007 | 1 | 9 | 
| C4H5N | (E)-2-Butenenitrile | rCC | 1.432 |  | 1.425 | -0.007 | 8 | 10 | 
| CaH | Calcium monohydride | rCaH | 2.003 | ±0.000 | 1.996 | -0.007 | 1 | 2 | 
| C6H10 | 1-Butyne, 3,3-dimethyl- | rC#C | 1.209 | ±0.001 | 1.203 | -0.006 | 1 | 6 | 
| C5H8 | Cyclopentene | rCC | 1.518 |  | 1.512 | -0.006 | 2 | 4 | 
| CH3NH2 | methyl amine | rCN | 1.471 | ±0.003 | 1.465 | -0.006 | 1 | 2 | 
| BN | boron nitride | rB=N | 1.325 |  | 1.319 | -0.006 | 1 | 2 | 
| CN | Cyano radical | rC#N | 1.172 |  | 1.166 | -0.006 | 1 | 2 | 
| NS+ | nitrogen sulfide cation | rNS | 1.440 |  | 1.434 | -0.006 | 1 | 2 | 
| HCCl | Chloromethylene | rCH | 1.119 | ±0.036 | 1.113 | -0.006 | 1 | 3 | 
| NO+ | nitric oxide cation | rN=O | 1.066 |  | 1.060 | -0.006 | 1 | 2 | 
| CH3OC2H5 | Ethane, methoxy- | rCO | 1.415 | ±0.005 | 1.409 | -0.006 | 1 | 2 | 
| C2H2+ | acetylene cation | rC=C | 1.253 | ±0.001 | 1.247 | -0.006 | 1 | 2 | 
| CH3CH2CHO | Propanal | rCH | 1.105 |  | 1.099 | -0.006 | 2 | 8 | 
| CH3COCl | Acetyl Chloride | rCC | 1.506 |  | 1.500 | -0.006 | 1 | 2 | 
| CH2NN | diazomethane | rC=N | 1.300 |  | 1.294 | -0.006 | 1 | 2 | 
| C5H6 | Propellane | rCC | 1.525 | ±0.002 | 1.519 | -0.006 | 1 | 2 | 
| ClCN | chlorocyanogen | rC#N | 1.161 |  | 1.155 | -0.006 | 2 | 3 | 
| NO | Nitric oxide | rN=O | 1.154 | ±0.000 | 1.148 | -0.005 | 1 | 2 | 
| CH3CH2OH | Ethanol | rCH | 1.098 |  | 1.093 | -0.005 | 1 | 6 | 
| C5H12O | Butane, 1-methoxy- | rCO | 1.415 |  | 1.410 | -0.005 | 3 | 4 | 
| HClO4 | perchloric acid | rOH | 0.980 |  | 0.975 | -0.005 | 3 | 6 | 
| CaOH | Calcium monohydroxide | rOCa | 1.976 | ±0.004 | 1.971 | -0.005 | 1 | 2 | 
| CH2NH | Methanimine | rCH | 1.103 |  | 1.098 | -0.005 | 1 | 3 | 
| CH2PH | Phosphaethene | rCH | 1.090 | ±0.015 | 1.085 | -0.005 | 1 | 3 | 
| CH2CHCH2CH2Cl | 1-Butene, 4-chloro- | rCC | 1.508 |  | 1.503 | -0.005 | 2 | 6 | 
| CCl2O | Phosgene | rC=O | 1.177 |  | 1.172 | -0.005 | 1 | 2 | 
| CH3NO3 | Methyl nitrate | rCH | 1.095 |  | 1.090 | -0.005 | 5 | 8 | 
| OCSe | Carbonyl selenide | rC=O | 1.159 |  | 1.154 | -0.005 | 1 | 2 | 
| CaC | Calcium monocarbide | rC#Ca | 2.302 |  | 2.297 | -0.005 | 1 | 2 | 
| CH2C(CH3)OCH3 | 1-Propene, 2-methoxy- | rCH | 1.087 |  | 1.082 | -0.005 | 11 | 12 | 
| CO+ | carbon monoxide cation | rC=O | 1.115 | ±0.000 | 1.110 | -0.005 | 1 | 2 | 
| C6H6 | Fulvene | rC=C | 1.355 | ±0.004 | 1.351 | -0.004 | 3 | 5 | 
| LiF | lithium fluoride | rLiF | 1.564 | ±0.000 | 1.560 | -0.004 | 1 | 2 | 
| NH4+ | ammonium cation | rHN | 1.029 | ±0.000 | 1.024 | -0.004 | 1 | 2 | 
| F2 | Fluorine diatomic | rFF | 1.412 |  | 1.408 | -0.004 | 1 | 2 | 
| CH3CH(CH3)CH3 | Isobutane | rCH | 1.100 |  | 1.096 | -0.004 | 3 | 6 | 
| CH2 | Methylene | rCH | 1.085 |  | 1.081 | -0.004 | 1 | 2 | 
| C4H4N2 | Succinonitrile | rCC | 1.465 |  | 1.461 | -0.004 | 1 | 3 | 
| CH3NC | methyl isocyanide | rCN | 1.426 | ±0.003 | 1.422 | -0.004 | 1 | 2 | 
| C3H6O | 2-Propen-1-ol | rCH | 1.091 | ±0.010 | 1.087 | -0.004 | 3 | 9 | 
| CN- | cyanide anion | rC#N | 1.177 | ±0.004 | 1.173 | -0.004 | 1 | 2 | 
| C5H8 | 1,3-Butadiene, 2-methyl- | rCC | 1.512 |  | 1.508 | -0.004 | 2 | 5 | 
| ICN | Cyanogen iodide | rC#N | 1.160 | ±0.000 | 1.156 | -0.004 | 2 | 3 | 
| HOCl | hypochlorous acid | rOH | 0.973 | ±0.002 | 0.969 | -0.004 | 1 | 2 | 
| C2H2 | Acetylene | rC#C | 1.203 |  | 1.199 | -0.004 | 1 | 2 | 
| CH2PH | Phosphaethene | rCH | 1.090 | ±0.015 | 1.086 | -0.004 | 1 | 4 | 
| C3H6O | 2-Propen-1-ol | rCH | 1.092 | ±0.010 | 1.088 | -0.004 | 2 | 7 | 
| C3H4O | Cyclopropanone | rCC | 1.575 |  | 1.571 | -0.004 | 3 | 4 | 
| CH3NHCH3 | Dimethylamine | rCH | 1.098 |  | 1.094 | -0.004 | 3 | 7 | 
| CH3CH2CHO | Propanal | rCH | 1.096 |  | 1.092 | -0.004 | 1 | 5 | 
| CH3SCH2CH3 | Ethane, (methylthio)- | rCH | 1.097 |  | 1.093 | -0.004 | 5 | 6 | 
| NH2F | monofluoroamine | rNF | 1.433 |  | 1.429 | -0.003 | 1 | 2 | 
| H2Cl+ | dihydrogen monochloride cation | rHCl | 1.321 | ±0.000 | 1.317 | -0.003 | 1 | 2 | 
| COBr2 | Carbonic dibromide | rC=O | 1.172 | ±0.003 | 1.169 | -0.003 | 1 | 2 | 
| N3 | azide radical | rNN | 1.181 |  | 1.178 | -0.003 | 1 | 2 | 
| CH3ONO | Methyl nitrite | rCH | 1.090 |  | 1.087 | -0.003 | 1 | 3 | 
| CH3NH2 | methyl amine | rNH | 1.018 | ±0.001 | 1.015 | -0.003 | 2 | 6 | 
| HNCNH | diiminomethane | rC=N | 1.224 | ±0.001 | 1.221 | -0.003 | 1 | 2 | 
| FO | Oxygen monofluoride | rFO | 1.354 |  | 1.351 | -0.003 | 1 | 2 | 
| BO | boron monoxide | rB=O | 1.205 |  | 1.201 | -0.003 | 1 | 2 | 
| C6H12 | Cyclohexane | rCH | 1.101 |  | 1.098 | -0.003 | 1 | 7 | 
| C4H4N2 | 1,3-Diazine | rCH | 1.087 |  | 1.084 | -0.003 | 1 | 7 | 
| H2CSe | Selenoformaldehyde | rHC | 1.090 |  | 1.087 | -0.003 | 1 | 3 | 
| CH3NC | methyl isocyanide | rCH | 1.094 |  | 1.091 | -0.003 | 1 | 4 | 
| C3H4N2 | 1H-Pyrazole | rCH | 1.082 |  | 1.079 | -0.003 | 1 | 2 | 
| CP | Carbon monophosphide | rC#P | 1.562 |  | 1.560 | -0.003 | 1 | 2 | 
| C10H8 | Azulene | rC:C | 1.398 |  | 1.395 | -0.003 | 1 | 3 | 
| SiC | silicon monocarbide | rCSi | 1.722 |  | 1.719 | -0.002 | 1 | 2 | 
| B2H6 | Diborane | rBH | 1.320 |  | 1.318 | -0.002 | 1 | 3 | 
| C3H4N2 | 1H-Pyrazole | rCH | 1.083 |  | 1.081 | -0.002 | 5 | 6 | 
| CH2FCl | fluorochloromethane | rCH | 1.090 | ±0.010 | 1.088 | -0.002 | 1 | 4 | 
| CH3CCH | propyne | rCH | 1.096 |  | 1.094 | -0.002 | 1 | 5 | 
| N2 | Nitrogen diatomic | rN#N | 1.098 |  | 1.095 | -0.002 | 1 | 2 | 
| FNO2 | Nitryl fluoride | rN=O | 1.180 | ±0.005 | 1.178 | -0.002 | 1 | 3 | 
| CH2C(CH3)CH3 | 1-Propene, 2-methyl- | rCH | 1.088 |  | 1.086 | -0.002 | 2 | 3 | 
| CH3NO | nitrosomethane | rCH | 1.094 |  | 1.092 | -0.002 | 1 | 4 | 
| C7H16 | heptane | rCC | 1.534 |  | 1.532 | -0.002 | 1 | 2 | 
| O2 | Oxygen diatomic | rO=O | 1.208 |  | 1.206 | -0.002 | 1 | 2 | 
| CH2NN | diazomethane | rN=N | 1.139 |  | 1.137 | -0.002 | 2 | 3 | 
| C10H8 | Azulene | rC:C | 1.405 | ±0.001 | 1.403 | -0.002 | 2 | 9 | 
| CH3ONO | Methyl nitrite | rN=O | 1.182 |  | 1.180 | -0.002 | 6 | 7 | 
| PN | Phosphorus mononitride | rP#N | 1.491 |  | 1.489 | -0.002 | 1 | 2 | 
| C6H5OH | phenol | rC:C | 1.398 |  | 1.396 | -0.002 | 1 | 2 | 
| SiN | Silicon nitride | rSiN | 1.575 |  | 1.574 | -0.002 | 1 | 2 | 
| C3H3NO | Oxazole | rCO | 1.357 | ±0.003 | 1.356 | -0.002 | 1 | 2 | 
| HO2 | Hydroperoxy radical | rOO | 1.331 |  | 1.329 | -0.001 | 1 | 2 | 
| CH3OCHO | methyl formate | rCH | 1.101 |  | 1.100 | -0.001 | 3 | 8 | 
| CH2CO | Ketene | rCH | 1.083 |  | 1.081 | -0.001 | 1 | 4 | 
| CH3OCH3 | Dimethyl ether | rCO | 1.411 | ±0.001 | 1.410 | -0.001 | 1 | 2 | 
| CO | Carbon monoxide | rC#O | 1.128 | ±0.000 | 1.127 | -0.001 | 1 | 2 | 
| C4H6S | Thiophene, 2,5-dihydro- | rCH | 1.095 |  | 1.094 | -0.001 | 2 | 6 | 
| C3H4N2 | 1H-Pyrazole | rCH | 1.080 |  | 1.079 | -0.001 | 3 | 4 | 
| CHF3 | Methane, trifluoro- | rCH | 1.091 | ±0.014 | 1.090 | -0.001 | 1 | 2 | 
| CH2O2 | Dioxirane | rCO | 1.388 | ±0.004 | 1.387 | -0.001 | 1 | 4 | 
| C3H7SH | 1-Propanethiol | rCC | 1.529 |  | 1.528 | -0.001 | 7 | 10 | 
| CH2Cl2 | Methylene chloride | rCH | 1.085 | ±0.002 | 1.084 | -0.001 | 1 | 2 | 
| CH3CH2CHO | Propanal | rCH | 1.115 |  | 1.114 | -0.001 | 3 | 10 | 
| N2O3 | Dinitrogen trioxide | rN=O | 1.202 |  | 1.201 | -0.001 | 2 | 4 | 
| CH3CHFCH3 | 2-Fluoropropane | rCH | 1.093 | ±0.006 | 1.092 | -0.001 | 4 | 8 | 
| C6H6 | Fulvene | rCC | 1.476 | ±0.008 | 1.475 | -0.001 | 5 | 6 | 
| C2H5F | fluoroethane | rCH | 1.095 | ±0.007 | 1.094 | -0.001 | 1 | 4 | 
| CH3CHS | Thioacetaldehyde | rCH | 1.098 |  | 1.097 | -0.001 | 2 | 6 | 
| CH3CHFCH3 | 2-Fluoropropane | rCH | 1.094 | ±0.005 | 1.093 | -0.001 | 4 | 10 | 
| CH3CHClCH3 | Propane, 2-chloro- | rCH | 1.091 |  | 1.090 | -0.001 | 2 | 5 | 
| C4H8O2 | Ethyl acetate | rCC | 1.515 |  | 1.514 | -0.001 | 5 | 6 | 
| CH3CHS | Thioacetaldehyde | rCH | 1.090 |  | 1.089 | -0.001 | 2 | 5 | 
| CH2CO | Ketene | rC=O | 1.162 |  | 1.162 | 0.000 | 2 | 3 | 
| C5H8 | Cyclobutane, methylene- | rCC | 1.524 |  | 1.524 | 0.000 | 1 | 3 | 
| C3H3NO | Oxazole | rCO | 1.370 | ±0.002 | 1.369 | 0.000 | 1 | 5 | 
| C3H6O | 2-Propen-1-ol | rCH | 1.102 | ±0.020 | 1.102 | 0.000 | 1 | 6 | 
| HeH+ | Helium hydride cation | rHHe | 0.790 |  | 0.790 | 0.000 | 1 | 2 | 
| CH3CHO | Acetaldehyde | rCH | 1.114 |  | 1.114 | 0.000 | 1 | 4 | 
| LiH | Lithium Hydride | rLiH | 1.595 | ±0.000 | 1.595 | 0.000 | 1 | 2 | 
| SiHCl3 | Trichlorosilane | rSiH | 1.464 |  | 1.464 | 0.000 | 1 | 2 | 
| HS+ | sulfur monohydride cation | rSH | 1.374 |  | 1.374 | 0.000 | 1 | 2 | 
| C4H6 | Bicyclo[1.1.0]butane | rCC | 1.497 |  | 1.497 | 0.000 | 1 | 2 | 
| C4H8 | cyclobutane | rCH | 1.093 |  | 1.093 | 0.000 | 1 | 5 | 
| C3F6 | hexafluoropropene | rC=C | 1.329 | ±0.003 | 1.329 | 0.000 | 1 | 2 | 
| CH2O2 | Dioxirane | rCH | 1.090 | ±0.002 | 1.090 | 0.000 | 1 | 2 | 
| C4H10O | Ethoxy ethane | rCC | 1.517 |  | 1.517 | 0.000 | 2 | 4 | 
| CuF | Copper monofluoride | rCuF | 1.745 | ±0.000 | 1.745 | 0.000 | 1 | 2 | 
| C3H8 | Propane | rCH | 1.096 |  | 1.096 | 0.000 | 1 | 4 | 
| Cu2 | Copper diatomic | rCuCu | 2.220 |  | 2.220 | 0.000 | 1 | 2 | 
| C2H5F | fluoroethane | rCF | 1.398 | ±0.007 | 1.398 | 0.000 | 1 | 3 | 
| C5H8 | Bicyclo[2.1.0]pentane | rCC | 1.565 |  | 1.565 | 0.000 | 3 | 4 | 
| D2 | Deuterium diatomic | rDD | 0.742 |  | 0.742 | 0.000 | 1 | 2 | 
| CH3OC2H5 | Ethane, methoxy- | rCH | 1.092 | ±0.007 | 1.092 | 0.000 | 4 | 11 | 
| CH2CHCH2CH3 | 1-Butene | rCC | 1.536 |  | 1.536 | 0.000 | 1 | 2 | 
| H2 | Hydrogen diatomic | rHH | 0.741 |  | 0.742 | 0.000 | 1 | 2 | 
| HD | Deuterium hydride | rDH | 0.741 |  | 0.742 | 0.000 | 1 | 2 | 
| C6H8 | 1,4-Cyclohexadiene | rCH | 1.100 |  | 1.101 | 0.001 | 1 | 11 | 
| CH3NO3 | Methyl nitrate | rCH | 1.088 |  | 1.089 | 0.001 | 5 | 6 | 
| CF3COOH | trifluoroacetic acid | rCC | 1.546 | ±0.005 | 1.547 | 0.001 | 1 | 2 | 
| C2H2ClF | 1-chloro-1-fluoroethylene | rCH | 1.082 | ±0.001 | 1.082 | 0.001 | 2 | 5 | 
| HF+ | hydrogen fluoride cation | rHF | 1.014 |  | 1.015 | 0.001 | 1 | 2 | 
| C4H6 | Cyclobutene | rCH | 1.094 |  | 1.095 | 0.001 | 3 | 7 | 
| CH3SCH2CH3 | Ethane, (methylthio)- | rCH | 1.092 |  | 1.093 | 0.001 | 1 | 3 | 
| C5H8 | Ethenylcyclopropane | rCC | 1.475 |  | 1.476 | 0.001 | 1 | 2 | 
| CH3OCHO | methyl formate | rCH | 1.086 |  | 1.087 | 0.001 | 1 | 5 | 
| NF | nitrogen fluoride | rNF | 1.317 |  | 1.318 | 0.001 | 1 | 2 | 
| CH3OC2H5 | Ethane, methoxy- | rCH | 1.099 | ±0.007 | 1.100 | 0.001 | 1 | 6 | 
| C4H8O2 | Ethyl acetate | rCC | 1.508 |  | 1.509 | 0.001 | 1 | 2 | 
| CH3OCH3 | Dimethyl ether | rCH | 1.099 | ±0.001 | 1.100 | 0.001 | 2 | 6 | 
| CH3ONO | Methyl nitrite | rCO | 1.437 |  | 1.438 | 0.001 | 1 | 2 | 
| C8H8 | cyclooctatetraene | rC=C | 1.337 | ±0.001 | 1.338 | 0.001 | 1 | 2 | 
| C3H6 | Cyclopropane | rCH | 1.083 |  | 1.084 | 0.001 | 1 | 4 | 
| CH3I | methyl iodide | rCH | 1.084 | ±0.003 | 1.085 | 0.001 | 1 | 3 | 
| C2H2O2 | Ethanedial | rCC | 1.526 |  | 1.527 | 0.001 | 1 | 2 | 
| C2H2 | Acetylene | rCH | 1.063 |  | 1.065 | 0.001 | 1 | 3 | 
| C4H10O | Ethoxy ethane | rCH | 1.092 |  | 1.093 | 0.001 | 4 | 10 | 
| CH3CH2CH2CH3 | Butane | rCC | 1.531 |  | 1.533 | 0.002 | 1 | 2 | 
| BeH2 | beryllium dihydride | rBeH | 1.326 | ±0.000 | 1.328 | 0.002 | 1 | 2 | 
| KH | Potassium hydride | rKH | 2.243 | ±0.001 | 2.244 | 0.002 | 1 | 2 | 
| BeS | beryllium sulfide | rBe=S | 1.742 |  | 1.743 | 0.002 | 1 | 2 | 
| CH3SCH2CH3 | Ethane, (methylthio)- | rCH | 1.090 |  | 1.092 | 0.002 | 9 | 11 | 
| C4H8 | cyclobutane | rCH | 1.091 |  | 1.093 | 0.002 | 1 | 6 | 
| HNCO | Isocyanic acid | rC=O | 1.164 |  | 1.165 | 0.002 | 3 | 4 | 
| C4H10O | Ethoxy ethane | rCH | 1.100 |  | 1.102 | 0.002 | 2 | 6 | 
| BH3 | boron trihydride | rBH | 1.190 |  | 1.192 | 0.002 | 1 | 2 | 
| CrH | Chromium hydride | rHCr | 1.655 | ±0.001 | 1.657 | 0.002 | 1 | 2 | 
| CH3CH2CHO | Propanal | rCC | 1.509 |  | 1.511 | 0.002 | 2 | 3 | 
| C4H8O2 | Ethyl acetate | rC=O | 1.203 |  | 1.205 | 0.002 | 2 | 4 | 
| CH3CH2CHO | Propanal | rCC | 1.523 |  | 1.525 | 0.002 | 1 | 2 | 
| C8H8 | cyclooctatetraene | rCC | 1.470 | ±0.001 | 1.472 | 0.002 | 1 | 5 | 
| CH3NO | nitrosomethane | rCH | 1.092 |  | 1.094 | 0.002 | 1 | 5 | 
| C3H7SH | 1-Propanethiol | rCH | 1.090 |  | 1.092 | 0.002 | 8 | 10 | 
| C4H6 | Cyclobutene | rCC | 1.517 |  | 1.519 | 0.002 | 1 | 3 | 
| H2CSe | Selenoformaldehyde | rC=Se | 1.753 |  | 1.755 | 0.002 | 1 | 2 | 
| CH3OC2H5 | Ethane, methoxy- | rCH | 1.100 | ±0.003 | 1.102 | 0.002 | 3 | 8 | 
| C2H5N | Aziridine | rCH | 1.083 |  | 1.085 | 0.002 | 3 | 5 | 
| CH3CH(CH3)CH3 | Isobutane | rCH | 1.092 |  | 1.094 | 0.002 | 3 | 9 | 
| C6H12 | Cyclohexane | rCH | 1.093 |  | 1.095 | 0.002 | 1 | 13 | 
| NaH | sodium hydride | rNaH | 1.887 | ±0.000 | 1.889 | 0.002 | 1 | 2 | 
| NaLi | lithium sodium | rLiNa | 2.889 |  | 2.891 | 0.002 | 1 | 2 | 
| C5H10 | 2-Pentene, (Z)- | rCH | 1.092 |  | 1.094 | 0.002 | 1 | 2 | 
| F2O | Difluorine monoxide | rFO | 1.405 |  | 1.407 | 0.002 | 1 | 2 | 
| C4H10O | Propane, 2-methoxy- | rCH | 1.095 |  | 1.097 | 0.002 | 1 | 2 | 
| C2H5F | fluoroethane | rCH | 1.090 | ±0.007 | 1.092 | 0.002 | 2 | 7 | 
| C4H10O | Ethoxy ethane | rCH | 1.090 |  | 1.092 | 0.002 | 4 | 12 | 
| CH2CHF | Ethene, fluoro- | rCH | 1.082 |  | 1.084 | 0.002 | 1 | 4 | 
| CF | Fluoromethylidyne | rCF | 1.276 |  | 1.279 | 0.003 | 1 | 2 | 
| C6H5OH | phenol | rCH | 1.082 |  | 1.085 | 0.003 | 4 | 11 | 
| SiH3Cl | chlorosilane | rSiH | 1.475 |  | 1.477 | 0.003 | 1 | 3 | 
| C10H8 | Azulene | rCH | 1.084 |  | 1.087 | 0.003 | 4 | 14 | 
| CH3SCH2CH3 | Ethane, (methylthio)- | rCH | 1.089 |  | 1.092 | 0.003 | 9 | 10 | 
| HCCCN | Cyanoacetylene | rCH | 1.062 | ±0.001 | 1.065 | 0.003 | 4 | 5 | 
| C6H8 | (Z)-hexa-1,3,5-triene | rC=C | 1.337 |  | 1.340 | 0.003 | 3 | 5 | 
| BeH | beryllium monohydride | rBeH | 1.343 |  | 1.345 | 0.003 | 1 | 2 | 
| CH3CH2Cl | Ethyl chloride | rCH | 1.086 |  | 1.089 | 0.003 | 2 | 7 | 
| C4H6 | Cyclobutene | rCH | 1.083 |  | 1.086 | 0.003 | 1 | 5 | 
| C2HF3 | Trifluoroethylene | rCF | 1.316 | ±0.011 | 1.319 | 0.003 | 1 | 3 | 
| CF3COOH | trifluoroacetic acid | rC=O | 1.192 | ±0.003 | 1.195 | 0.003 | 2 | 4 | 
| C10H8 | Azulene | rCH | 1.080 |  | 1.082 | 0.003 | 9 | 17 | 
| C2H5N | Aziridine | rCH | 1.084 |  | 1.087 | 0.003 | 3 | 6 | 
| C5H10 | Cyclopropane, 1,1-dimethyl- | rCC | 1.514 |  | 1.517 | 0.003 | 1 | 4 | 
| C3H3NO | Oxazole | rCH | 1.073 | ±0.001 | 1.076 | 0.003 | 5 | 8 | 
| C6H6 | Fulvene | rCH | 1.080 | ±0.005 | 1.083 | 0.003 | 5 | 11 | 
| CH3CHClCH3 | Propane, 2-chloro- | rCH | 1.092 |  | 1.095 | 0.003 | 3 | 6 | 
| C6H5OH | phenol | rCO | 1.364 |  | 1.367 | 0.003 | 1 | 7 | 
| CH3CH(NH2)COOH | Alanine | rCC | 1.544 |  | 1.547 | 0.003 | 3 | 4 | 
| C3H7SH | 1-Propanethiol | rCH | 1.092 |  | 1.095 | 0.003 | 5 | 7 | 
| C2H5F | fluoroethane | rCH | 1.091 | ±0.007 | 1.094 | 0.003 | 2 | 6 | 
| C3H6O | 2-Propen-1-ol | rCH | 1.096 | ±0.030 | 1.099 | 0.003 | 1 | 5 | 
| CH3OCHO | methyl formate | rCO | 1.437 |  | 1.440 | 0.003 | 1 | 2 | 
| C4H6O | Cyclobutanone | rCC | 1.556 |  | 1.559 | 0.003 | 3 | 5 | 
| C3H3NO | Oxazole | rCH | 1.075 | ±0.001 | 1.078 | 0.003 | 2 | 6 | 
| CH3NC | methyl isocyanide | rC#N | 1.166 | ±0.003 | 1.169 | 0.003 | 2 | 3 | 
| HSiCl | Chlorosilylene | rSiH | 1.525 | ±0.005 | 1.528 | 0.003 | 1 | 3 | 
| C2H5I | Ethyl iodide | rHC | 1.093 |  | 1.096 | 0.003 | 2 | 6 | 
| C2H2+ | acetylene cation | rCH | 1.077 | ±0.005 | 1.080 | 0.003 | 1 | 3 | 
| CH4 | Methane | rCH | 1.087 | ±0.001 | 1.091 | 0.004 | 1 | 2 | 
| SiH4 | Silane | rSiH | 1.480 | ±0.000 | 1.483 | 0.004 | 1 | 2 | 
| CH3Br | methyl bromide | rCH | 1.082 | ±0.001 | 1.086 | 0.004 | 1 | 3 | 
| LiCl | lithium chloride | rLiCl | 2.021 | ±0.000 | 2.024 | 0.004 | 1 | 2 | 
| CH2NN | diazomethane | rCH | 1.075 |  | 1.079 | 0.004 | 1 | 4 | 
| C3H3NO | Oxazole | rCH | 1.075 | ±0.001 | 1.079 | 0.004 | 4 | 7 | 
| SiH3F | monofluorosilane | rSiH | 1.476 |  | 1.480 | 0.004 | 1 | 3 | 
| C5H5N | Pyridine | rC:C | 1.390 |  | 1.394 | 0.004 | 3 | 5 | 
| C3H4 | cyclopropene | rCH | 1.088 |  | 1.092 | 0.004 | 1 | 6 | 
| CH3CCH | propyne | rCH | 1.060 |  | 1.064 | 0.004 | 3 | 4 | 
| C6H5OH | phenol | rCH | 1.084 |  | 1.088 | 0.004 | 2 | 9 | 
| CH3CHFCH3 | 2-Fluoropropane | rCH | 1.092 |  | 1.096 | 0.004 | 1 | 3 | 
| C6H6 | Fulvene | rCC | 1.470 | ±0.004 | 1.474 | 0.004 | 1 | 3 | 
| C6H6 | Fulvene | rCH | 1.078 | ±0.005 | 1.082 | 0.004 | 3 | 9 | 
| CH3CHO | Acetaldehyde | rCH | 1.086 |  | 1.090 | 0.004 | 2 | 5 | 
| H2CS | Thioformaldehyde | rC=S | 1.611 |  | 1.615 | 0.004 | 1 | 2 | 
| NSe | Nitrogen monoselenide | rN=Se | 1.652 |  | 1.656 | 0.004 | 1 | 2 | 
| P2 | Phosphorus diatomic | rP#P | 1.893 |  | 1.898 | 0.004 | 1 | 2 | 
| CH3CHS | Thioacetaldehyde | rCH | 1.089 |  | 1.093 | 0.004 | 1 | 4 | 
| CH3OC2H5 | Ethane, methoxy- | rCH | 1.089 | ±0.008 | 1.093 | 0.004 | 4 | 10 | 
| CH3OC2H5 | Ethane, methoxy- | rCH | 1.086 | ±0.010 | 1.090 | 0.004 | 1 | 5 | 
| C2H3Cl | Ethene, chloro- | rCH | 1.079 |  | 1.084 | 0.005 | 2 | 5 | 
| CH3ONO | Methyl nitrite | rNO | 1.398 |  | 1.403 | 0.005 | 2 | 6 | 
| CaO | Calcium monoxide | rOCa | 1.822 |  | 1.827 | 0.005 | 1 | 2 | 
| C4H4N2 | 1,3-Diazine | rCH | 1.082 |  | 1.087 | 0.005 | 2 | 8 | 
| H2O | Water | rOH | 0.958 | ±0.000 | 0.963 | 0.005 | 1 | 2 | 
| CH2C(CH3)OCH3 | 1-Propene, 2-methoxy- | rCO | 1.416 |  | 1.421 | 0.005 | 1 | 5 | 
| C10H8 | naphthalene | rC:C | 1.410 |  | 1.415 | 0.005 | 2 | 3 | 
| C5H10 | Cyclopropane, 1,1-dimethyl- | rCH | 1.080 |  | 1.085 | 0.005 | 2 | 6 | 
| C5H8 | 1,3-Butadiene, 2-methyl- | rCC | 1.463 |  | 1.468 | 0.005 | 2 | 3 | 
| CH3CH2Cl | Ethyl chloride | rCH | 1.090 |  | 1.096 | 0.005 | 1 | 3 | 
| CH3OCH3 | Dimethyl ether | rCH | 1.085 | ±0.001 | 1.090 | 0.005 | 2 | 4 | 
| C4H10O | Ethoxy ethane | rCO | 1.411 |  | 1.416 | 0.005 | 1 | 2 | 
| CH3CH2OH | Ethanol | rCH | 1.088 |  | 1.094 | 0.006 | 1 | 5 | 
| CH3CHFCH3 | 2-Fluoropropane | rCH | 1.088 | ±0.006 | 1.094 | 0.006 | 4 | 6 | 
| SCSe | Carbon sulfide selenide | rC=S | 1.553 | ±0.002 | 1.559 | 0.006 | 1 | 2 | 
| C5H8 | Bicyclo[2.1.0]pentane | rCC | 1.528 |  | 1.534 | 0.006 | 1 | 3 | 
| CSe | Carbon monoselenide | rC=Se | 1.676 | ±0.000 | 1.682 | 0.006 | 1 | 2 | 
| C5H8O | Methyl cyclopropyl ketone | rCC | 1.510 |  | 1.516 | 0.006 | 2 | 3 | 
| CS | carbon monosulfide | rC#S | 1.535 |  | 1.541 | 0.006 | 1 | 2 | 
| LiBr | Lithium Bromide | rLiBr | 2.170 | ±0.000 | 2.177 | 0.006 | 1 | 2 | 
| C3H4 | cyclopropene | rCH | 1.072 |  | 1.078 | 0.006 | 2 | 4 | 
| HO2 | Hydroperoxy radical | rOH | 0.971 |  | 0.977 | 0.006 | 1 | 3 | 
| C10H8 | Azulene | rCH | 1.083 |  | 1.089 | 0.006 | 5 | 15 | 
| CH3OCHO | methyl formate | rCO | 1.334 |  | 1.340 | 0.006 | 2 | 3 | 
| CH2CHF | Ethene, fluoro- | rCH | 1.077 |  | 1.083 | 0.006 | 2 | 5 | 
| C10H8 | Azulene | rCH | 1.081 |  | 1.088 | 0.006 | 1 | 11 | 
| CH3SCH2CH3 | Ethane, (methylthio)- | rCH | 1.087 |  | 1.094 | 0.007 | 1 | 2 | 
| P2H4 | Diphosphine | rPH | 1.417 |  | 1.424 | 0.007 | 1 | 3 | 
| C4H4N2 | 1,3-Diazine | rC:N | 1.328 |  | 1.335 | 0.007 | 2 | 6 | 
| C3H6O | 2-Propen-1-ol | rCH | 1.078 | ±0.010 | 1.085 | 0.007 | 3 | 8 | 
| C4H8O2 | Ethyl acetate | rCO | 1.345 |  | 1.352 | 0.007 | 2 | 3 | 
| BH | Boron monohydride | rBH | 1.232 |  | 1.239 | 0.007 | 1 | 2 | 
| C3H6 | Cyclopropane | rCC | 1.501 |  | 1.508 | 0.007 | 1 | 2 | 
| DO | Hydroxyl-d | rDO | 0.970 |  | 0.977 | 0.007 | 1 | 2 | 
| OH | Hydroxyl radical | rOH | 0.970 |  | 0.977 | 0.007 | 1 | 2 | 
| NH | Imidogen | rNH | 1.036 |  | 1.043 | 0.007 | 1 | 2 | 
| CH3NHCH3 | Dimethylamine | rCH | 1.098 |  | 1.105 | 0.007 | 3 | 5 | 
| DF | Hydrofluoric acid-d | rDF | 0.917 | ±0.000 | 0.925 | 0.007 | 1 | 2 | 
| BS | boron sulfide | rBS | 1.609 |  | 1.617 | 0.007 | 1 | 2 | 
| MgO | magnesium oxide | rMgO | 1.749 |  | 1.756 | 0.007 | 1 | 2 | 
| C2H5F | fluoroethane | rCC | 1.505 | ±0.007 | 1.513 | 0.008 | 1 | 2 | 
| CH3OCl | methyl hypochlorite | rCH | 1.086 | ±0.018 | 1.094 | 0.008 | 3 | 5 | 
| CH3CH2O | Ethoxy radical | rCH | 1.085 |  | 1.093 | 0.008 | 1 | 5 | 
| P2H4 | Diphosphine | rPH | 1.414 |  | 1.422 | 0.008 | 1 | 4 | 
| HF | Hydrogen fluoride | rHF | 0.917 | ±0.000 | 0.925 | 0.008 | 1 | 2 | 
| HOBr | Hypobromous acid | rOH | 0.961 |  | 0.969 | 0.008 | 1 | 2 | 
| SCSe | Carbon sulfide selenide | rC=Se | 1.695 | ±0.002 | 1.703 | 0.008 | 1 | 3 | 
| C6H10 | 1-Butyne, 3,3-dimethyl- | rCH | 1.056 | ±0.001 | 1.064 | 0.008 | 6 | 7 | 
| CH | Methylidyne | rCH | 1.120 |  | 1.128 | 0.008 | 1 | 2 | 
| HNO3 | Nitric acid | rNO | 1.406 |  | 1.414 | 0.008 | 1 | 2 | 
| CH2F2 | Methane, difluoro- | rCH | 1.084 | ±0.003 | 1.092 | 0.008 | 1 | 2 | 
| AsH | Arsenic monohydride | rAsH | 1.535 | ±0.001 | 1.543 | 0.008 | 1 | 2 | 
| CH3CH2O | Ethoxy radical | rCH | 1.086 |  | 1.094 | 0.008 | 1 | 4 | 
| CSe2 | Carbon diselenide | rC=Se | 1.692 | ±0.000 | 1.701 | 0.008 | 1 | 2 | 
| C4H4N2 | 1,3-Diazine | rCH | 1.079 |  | 1.088 | 0.009 | 3 | 9 | 
| C2 | Carbon diatomic | rC=C | 1.243 |  | 1.251 | 0.009 | 1 | 2 | 
| CH3NHCH3 | Dimethylamine | rCH | 1.084 |  | 1.093 | 0.009 | 3 | 9 | 
| OPCl | Phosphorus oxychloride | rP=O | 1.462 | ±0.011 | 1.471 | 0.009 | 1 | 2 | 
| CH3OC2H5 | Ethane, methoxy- | rCO | 1.407 | ±0.004 | 1.416 | 0.009 | 2 | 3 | 
| CH3NH2 | methyl amine | rCH | 1.093 | ±0.000 | 1.102 | 0.009 | 1 | 3 | 
| SiH3+ | Silyl cation | rSiH | 1.460 | ±0.010 | 1.469 | 0.009 | 1 | 2 | 
| BF3 | Borane, trifluoro- | rBF | 1.307 |  | 1.316 | 0.009 | 1 | 2 | 
| GeO | Germanium monoxide | rOGe | 1.625 |  | 1.634 | 0.009 | 1 | 2 | 
| As2 | Arsenic diatomic | rAs#As | 2.103 |  | 2.112 | 0.009 | 1 | 2 | 
| C5H8O | 2H-Pyran, 3,4-dihydro- | rCC | 1.516 |  | 1.525 | 0.009 | 10 | 13 | 
| C6H5OH | phenol | rCH | 1.076 |  | 1.085 | 0.009 | 3 | 10 | 
| NS | Mononitrogen monosulfide | rNS | 1.497 | ±0.000 | 1.507 | 0.010 | 1 | 2 | 
| C2H3 | vinyl | rCH | 1.085 |  | 1.095 | 0.010 | 2 | 4 | 
| SiH2F2 | difluorosilane | rSiH | 1.462 |  | 1.471 | 0.010 | 1 | 4 | 
| CH3SeH | Methane selenol | rSeH | 1.473 | ±0.020 | 1.483 | 0.010 | 1 | 3 | 
| SOCl2 | thionyl chloride | rS=O | 1.443 | ±0.006 | 1.453 | 0.010 | 1 | 2 | 
| FNO2 | Nitryl fluoride | rNF | 1.467 | ±0.015 | 1.477 | 0.010 | 1 | 2 | 
| CH2CHCH2CH3 | 1-Butene | rCC | 1.493 |  | 1.503 | 0.010 | 2 | 3 | 
| OCSe | Carbonyl selenide | rC=Se | 1.709 |  | 1.719 | 0.010 | 1 | 3 | 
| SiO | Silicon monoxide | rSiO | 1.510 | ±0.000 | 1.520 | 0.010 | 1 | 2 | 
| HSe | Selenium monohydride | rSeH | 1.475 | ±0.010 | 1.486 | 0.011 | 1 | 2 | 
| C8H8 | cyclooctatetraene | rCH | 1.079 | ±0.001 | 1.090 | 0.011 | 1 | 9 | 
| CH2F2 | Methane, difluoro- | rCF | 1.351 | ±0.001 | 1.362 | 0.011 | 1 | 4 | 
| C4H6 | Methylenecyclopropane | rCC | 1.457 |  | 1.468 | 0.011 | 2 | 5 | 
| C4H10O | Propane, 2-methoxy- | rCO | 1.422 |  | 1.433 | 0.011 | 5 | 14 | 
| ArH+ | Argon hydride cation | rArH | 1.292 | ±0.000 | 1.303 | 0.011 | 1 | 2 | 
| BeF | Beryllium monofluoride | rBeF | 1.361 |  | 1.372 | 0.011 | 1 | 2 | 
| NH2CONH2 | Urea | rNH | 0.998 |  | 1.009 | 0.011 | 4 | 8 | 
| BCl | boron monochloride | rBCl | 1.719 | ±0.000 | 1.731 | 0.012 | 1 | 2 | 
| NH2SH | Thiohydroxylamine | rSH | 1.344 | ±0.029 | 1.356 | 0.012 | 2 | 3 | 
| C5H7N | Cyclobutanecarbonitrile | rCC | 1.551 |  | 1.563 | 0.012 | 3 | 6 | 
| SiH+ | silicon monohydride cation | rSiH | 1.504 |  | 1.516 | 0.012 | 1 | 2 | 
| C5H10 | 2-Pentene, (Z)- | rCC | 1.490 |  | 1.502 | 0.012 | 8 | 14 | 
| BeCl | beryllium monochloride | rBeCl | 1.797 |  | 1.809 | 0.012 | 1 | 2 | 
| PH | phosphorus monohydride | rPH | 1.422 |  | 1.435 | 0.012 | 1 | 2 | 
| C4H6O | Cyclobutanone | rCC | 1.527 |  | 1.539 | 0.012 | 2 | 3 | 
| C10H8 | Azulene | rC:C | 1.377 |  | 1.390 | 0.012 | 5 | 7 | 
| C3H7N | Cyclopropylamine | rCH | 1.080 |  | 1.092 | 0.012 | 1 | 2 | 
| SO+ | sulfur monoxide cation | rO=S | 1.424 |  | 1.436 | 0.012 | 1 | 2 | 
| CHF3 | Methane, trifluoro- | rCF | 1.328 | ±0.003 | 1.341 | 0.012 | 1 | 3 | 
| S2+ | sulfur diatomic cation | rS=S | 1.825 | ±0.010 | 1.838 | 0.013 | 1 | 2 | 
| C4H8O2 | 1,3-Dioxane | rCO | 1.393 |  | 1.406 | 0.013 | 1 | 2 | 
| AlN | Aluminum nitride | rN#Al | 1.786 |  | 1.800 | 0.014 | 1 | 2 | 
| SiP | Silicon monophosphide | rSiP | 2.078 | ±0.002 | 2.091 | 0.014 | 1 | 2 | 
| ClCN | chlorocyanogen | rCCl | 1.629 |  | 1.643 | 0.014 | 1 | 2 | 
| CH3CH2OH | Ethanol | rCH | 1.086 |  | 1.100 | 0.014 | 2 | 8 | 
| HCl+ | hydrogen chloride cation | rHCl | 1.315 |  | 1.329 | 0.014 | 1 | 2 | 
| SeO2 | Selenium dioxide | rSeO | 1.607 | ±0.001 | 1.622 | 0.015 | 1 | 2 | 
| C3O2 | Carbon suboxide | rC=O | 1.146 |  | 1.161 | 0.015 | 2 | 4 | 
| NO- | nitric oxide anion | rN=O | 1.258 | ±0.010 | 1.273 | 0.015 | 1 | 2 | 
| C10H8 | Azulene | rC:C | 1.484 |  | 1.499 | 0.015 | 7 | 8 | 
| SiH | Silylidyne | rSiH | 1.520 |  | 1.535 | 0.015 | 1 | 2 | 
| MgOH | magnesium hydroxide | rOH | 0.940 |  | 0.955 | 0.015 | 1 | 3 | 
| PO | Phosphorus monoxide | rP=O | 1.476 |  | 1.492 | 0.016 | 1 | 2 | 
| CH3CSNH2 | Ethanethioamide | rC=S | 1.647 | ±0.002 | 1.663 | 0.016 | 1 | 2 | 
| Si(CH3)4 | tetramethylsilane | rSiC | 1.875 | ±0.002 | 1.891 | 0.016 | 1 | 2 | 
| MgH+ | magnesium monohydride cation | rMgH | 1.652 |  | 1.668 | 0.016 | 1 | 2 | 
| HS | Mercapto radical | rSH | 1.341 |  | 1.357 | 0.016 | 1 | 2 | 
| DS | Mercapto-d | rSD | 1.341 |  | 1.357 | 0.017 | 1 | 2 | 
| CHClCCl2 | Trichloroethylene | rCCl | 1.712 |  | 1.729 | 0.017 | 2 | 6 | 
| CH2I2 | Diiodomethane | rCH | 1.066 | ±0.015 | 1.083 | 0.017 | 1 | 4 | 
| LiI | Lithium Iodide | rLiI | 2.392 | ±0.000 | 2.409 | 0.017 | 1 | 2 | 
| PS | phosphorus sulfide | rP=S | 1.900 |  | 1.917 | 0.017 | 1 | 2 | 
| PO2 | Phosphorus dioxide | rP=O | 1.467 |  | 1.484 | 0.017 | 1 | 2 | 
| HCl | Hydrogen chloride | rHCl | 1.275 | ±0.000 | 1.292 | 0.018 | 1 | 2 | 
| AlH | aluminum monohydride | rAlH | 1.648 |  | 1.665 | 0.018 | 1 | 2 | 
| DCl | Hydrochloric acid-d | rDCl | 1.275 | ±0.000 | 1.292 | 0.018 | 1 | 2 | 
| SiS | silicon monosulfide | rSiS | 1.929 | ±0.000 | 1.947 | 0.018 | 1 | 2 | 
| CH3CH(NH2)COOH | Alanine | rCC | 1.509 |  | 1.528 | 0.019 | 2 | 3 | 
| HBr+ | hydrogen bromide cation | rHBr | 1.448 |  | 1.468 | 0.019 | 1 | 2 | 
| C2H | Ethynyl radical | rCH | 1.047 |  | 1.066 | 0.019 | 1 | 3 | 
| N(CH3)3 | Trimethylamine | rCH | 1.088 |  | 1.107 | 0.019 | 2 | 5 | 
| CaBr | Calcium monobromide | rCaBr | 2.594 | ±0.000 | 2.613 | 0.019 | 1 | 2 | 
| OH- | hydroxide anion | rOH | 0.964 |  | 0.984 | 0.020 | 1 | 2 | 
| AlC | Aluminum carbide | rC=Al | 1.955 |  | 1.975 | 0.020 | 1 | 2 | 
| HS- | mercapto anion | rSH | 1.343 |  | 1.363 | 0.020 | 1 | 2 | 
| AsH3 | Arsine | rAsH | 1.511 | ±0.000 | 1.531 | 0.020 | 1 | 2 | 
| C3H5 | Allyl radical | rCH | 1.069 |  | 1.089 | 0.020 | 1 | 2 | 
| H2Se | Hydrogen selenide | rSeH | 1.460 |  | 1.480 | 0.020 | 1 | 2 | 
| ICN | Cyanogen iodide | rCI | 1.992 | ±0.000 | 2.013 | 0.021 | 1 | 2 | 
| C4H4N2 | Pyridazine | rCH | 1.064 |  | 1.085 | 0.021 | 1 | 5 | 
| MgS | magnesium sulfide | rMgS | 2.143 |  | 2.163 | 0.021 | 1 | 2 | 
| CH3CH2O | Ethoxy radical | rCH | 1.088 |  | 1.109 | 0.021 | 2 | 7 | 
| C3H8O2 | Methane, dimethoxy- | rCO | 1.382 |  | 1.403 | 0.021 | 1 | 4 | 
| CH3SCH2CH3 | Ethane, (methylthio)- | rCS | 1.804 |  | 1.825 | 0.021 | 8 | 9 | 
| HBr | hydrogen bromide | rHBr | 1.414 | ±0.000 | 1.436 | 0.021 | 1 | 2 | 
| C3O2 | Carbon suboxide | rC=C | 1.251 |  | 1.273 | 0.022 | 1 | 2 | 
| NaBr | Sodium Bromide | rNaBr | 2.502 | ±0.000 | 2.524 | 0.022 | 1 | 2 | 
| PF5 | Phosphorus pentafluoride | rFP | 1.577 |  | 1.599 | 0.022 | 1 | 5 | 
| CH3NO3 | Methyl nitrate | rNO | 1.402 |  | 1.424 | 0.022 | 1 | 4 | 
| AlNC | Aluminum isocyanide | rAlN | 1.855 | ±0.005 | 1.877 | 0.022 | 1 | 2 | 
| CHClCCl2 | Trichloroethylene | rCCl | 1.720 |  | 1.742 | 0.022 | 2 | 5 | 
| GeH3F | monofluorogermane | rGeH | 1.515 | ±0.000 | 1.537 | 0.022 | 1 | 3 | 
| AsF5 | Arsenic pentafluoride | rAsF | 1.711 | ±0.005 | 1.733 | 0.022 | 1 | 5 | 
| AlO | Aluminum monoxide | rAlO | 1.618 |  | 1.640 | 0.022 | 1 | 2 | 
| CaCl | calcium monochloride | rClCa | 2.437 |  | 2.459 | 0.023 | 1 | 2 | 
| C5H10 | 2-Pentene, (E)- | rCC | 1.484 |  | 1.507 | 0.023 | 4 | 11 | 
| CBr4 | Carbon tetrabromide | rCBr | 1.942 | ±0.002 | 1.965 | 0.023 | 1 | 2 | 
| GeS | Germanium monosulfide | rS=Ge | 2.012 | ±0.000 | 2.035 | 0.023 | 1 | 2 | 
| GeH | germylidene | rGeH | 1.588 |  | 1.611 | 0.023 | 1 | 2 | 
| MgH | magnesium monohydride | rMgH | 1.730 |  | 1.753 | 0.023 | 1 | 2 | 
| AlS | Aluminum sulfide | rAlS | 2.029 |  | 2.052 | 0.023 | 1 | 2 | 
| CH2C(CH3)OCH3 | 1-Propene, 2-methoxy- | rCO | 1.353 |  | 1.376 | 0.023 | 5 | 10 | 
| SeO | Selenium monoxide | rSeO | 1.639 | ±0.001 | 1.663 | 0.023 | 1 | 2 | 
| F2SO | Thionyl Fluoride | rO=S | 1.413 | ±0.000 | 1.437 | 0.024 | 1 | 2 | 
| CH2Cl2 | Methylene chloride | rCCl | 1.767 | ±0.002 | 1.791 | 0.024 | 1 | 4 | 
| CFCl3 | Trichloromonofluoromethane | rCCl | 1.764 | ±0.001 | 1.788 | 0.024 | 1 | 3 | 
| SSO | Disulfur monoxide | rS=O | 1.456 |  | 1.481 | 0.025 | 1 | 2 | 
| NaCl | Sodium Chloride | rNaCl | 2.361 | ±0.000 | 2.386 | 0.025 | 1 | 2 | 
| CaOH | Calcium monohydroxide | rOH | 0.930 | ±0.007 | 0.956 | 0.026 | 2 | 3 | 
| B2 | Boron diatomic | rBB | 1.590 |  | 1.616 | 0.026 | 1 | 2 | 
| HCCl | Chloromethylene | rCCl | 1.696 | ±0.003 | 1.722 | 0.026 | 1 | 2 | 
| SiH3F | monofluorosilane | rSiF | 1.595 |  | 1.621 | 0.026 | 1 | 2 | 
| CuCl | Copper monochloride | rCuCl | 2.051 | ±0.000 | 2.078 | 0.026 | 1 | 2 | 
| CH2Br2 | dibromomethane | rCBr | 1.925 | ±0.002 | 1.951 | 0.026 | 1 | 4 | 
| PO- | phosphorus monoxide anion | rOP | 1.540 |  | 1.567 | 0.027 | 1 | 2 | 
| KBr | Potassium Bromide | rKBr | 2.821 | ±0.000 | 2.847 | 0.027 | 1 | 2 | 
| SiF4 | Silicon tetrafluoride | rSiF | 1.554 |  | 1.581 | 0.027 | 1 | 2 | 
| NH3BF3 | Amminetrifluoroboron | rBN | 1.673 |  | 1.700 | 0.027 | 1 | 2 | 
| CH2ClCH2Cl | Ethane, 1,2-dichloro- | rCCl | 1.790 |  | 1.817 | 0.027 | 1 | 3 | 
| C5H8 | Bicyclo[2.1.0]pentane | rCC | 1.507 |  | 1.534 | 0.027 | 1 | 2 | 
| GaF | Gallium monofluoride | rFGa | 1.774 | ±0.000 | 1.802 | 0.027 | 1 | 2 | 
| As4 | Arsenic tetramer | rAsAs | 2.435 |  | 2.463 | 0.028 | 1 | 2 | 
| CHBr3 | bromoform | rCBr | 1.924 | ±0.005 | 1.953 | 0.029 | 1 | 3 | 
| C5H8O | Cyclopentanone | rCC | 1.504 |  | 1.533 | 0.029 | 2 | 3 | 
| CBrClF2 | Methane, bromochlorodifluoro- | rCBr | 1.932 | ±0.004 | 1.961 | 0.029 | 1 | 2 | 
| KCl | Potassium Chloride | rKCl | 2.667 | ±0.000 | 2.696 | 0.030 | 1 | 2 | 
| KrH+ | Protonated Krypton | rHKr | 1.421 | ±0.000 | 1.451 | 0.030 | 1 | 2 | 
| HI+ | Hydrogen iodide cation | rHI | 1.632 | ±0.000 | 1.662 | 0.030 | 1 | 2 | 
| CH3Br | methyl bromide | rCBr | 1.934 | ±0.000 | 1.964 | 0.030 | 1 | 2 | 
| SiF | silicon monofluoride | rSiF | 1.604 |  | 1.635 | 0.030 | 1 | 2 | 
| ClO | Monochlorine monoxide | rClO | 1.596 | ±0.001 | 1.626 | 0.030 | 1 | 2 | 
| SiH3Cl | chlorosilane | rSiCl | 2.051 |  | 2.081 | 0.030 | 1 | 2 | 
| SiH2Cl2 | dichlorosilane | rSiCl | 2.033 | ±0.003 | 2.064 | 0.031 | 1 | 4 | 
| GeH3F | monofluorogermane | rGeF | 1.731 | ±0.000 | 1.762 | 0.031 | 1 | 2 | 
| SiHCl3 | Trichlorosilane | rSiCl | 2.020 |  | 2.051 | 0.031 | 1 | 3 | 
| SO | Sulfur monoxide | rS=O | 1.481 |  | 1.512 | 0.031 | 1 | 2 | 
| HI | Hydrogen iodide | rHI | 1.609 | ±0.000 | 1.641 | 0.032 | 1 | 2 | 
| CH3SCH2CH3 | Ethane, (methylthio)- | rCS | 1.804 |  | 1.836 | 0.032 | 5 | 8 | 
| PF | phosphorus monofluoride | rFP | 1.593 |  | 1.624 | 0.032 | 1 | 2 | 
| C2H6O2S | Dimethyl sulfone | rCS | 1.777 | ±0.006 | 1.809 | 0.032 | 1 | 4 | 
| MgF | Magnesium monofluoride | rMgF | 1.750 |  | 1.782 | 0.032 | 1 | 2 | 
| Li2 | Lithium diatomic | rLiLi | 2.673 |  | 2.705 | 0.032 | 1 | 2 | 
| C5H10 | 2-Pentene, (Z)- | rCH | 1.058 |  | 1.090 | 0.032 | 12 | 13 | 
| GeF | Germanium monofluoride | rFGe | 1.745 |  | 1.778 | 0.033 | 1 | 2 | 
| C2H6O2S | Dimethyl sulfone | rS=O | 1.431 | ±0.004 | 1.464 | 0.033 | 1 | 2 | 
| CCl2O | Phosgene | rCCl | 1.737 |  | 1.770 | 0.033 | 2 | 3 | 
| SiBr+ | Silicon monobromide cation | rSiBr | 2.095 | ±0.000 | 2.129 | 0.033 | 1 | 2 | 
| CCl | carbon monochloride | rCCl | 1.649 |  | 1.683 | 0.034 | 1 | 2 | 
| HClO4 | perchloric acid | rO=Cl | 1.414 | ±0.001 | 1.448 | 0.034 | 1 | 2 | 
| SiF2 | Silicon difluoride | rFSi | 1.590 | ±0.000 | 1.624 | 0.034 | 1 | 2 | 
| AlF | Aluminum monofluoride | rAlF | 1.654 | ±0.000 | 1.689 | 0.034 | 1 | 2 | 
| Se2 | Selenium diatomic | rSe=Se | 2.166 | ±0.001 | 2.200 | 0.034 | 1 | 2 | 
| PF+ | phosphorus monofluoride cation | rFP | 1.500 |  | 1.535 | 0.034 | 1 | 2 | 
| PF2 | Phosphorus difluoride | rPF | 1.579 |  | 1.614 | 0.035 | 1 | 2 | 
| PF5 | Phosphorus pentafluoride | rPF | 1.534 |  | 1.569 | 0.035 | 1 | 2 | 
| CCl2 | dichloromethylene | rCCl | 1.711 |  | 1.747 | 0.035 | 1 | 2 | 
| C2Cl2 | dichloroacetylene | rCCl | 1.612 | ±0.030 | 1.647 | 0.035 | 1 | 3 | 
| GeF+ | Germanium monofluoride cation | rFGe | 1.665 | ±0.000 | 1.702 | 0.036 | 1 | 2 | 
| S2 | Sulfur diatomic | rS=S | 1.889 |  | 1.927 | 0.037 | 1 | 2 | 
| HOBr | Hypobromous acid | rBrO | 1.834 |  | 1.872 | 0.038 | 2 | 3 | 
| SSO | Disulfur monoxide | rS=S | 1.884 |  | 1.923 | 0.038 | 2 | 3 | 
| CH2FCl | fluorochloromethane | rCCl | 1.762 | ±0.000 | 1.800 | 0.038 | 1 | 3 | 
| CH3I | methyl iodide | rCI | 2.136 | ±0.002 | 2.175 | 0.039 | 1 | 2 | 
| HOCl | hypochlorous acid | rClO | 1.697 | ±0.001 | 1.736 | 0.039 | 1 | 3 | 
| SF | Monosulfur monofluoride | rSF | 1.599 |  | 1.638 | 0.039 | 1 | 2 | 
| MgOH | magnesium hydroxide | rMgO | 1.767 |  | 1.808 | 0.041 | 1 | 2 | 
| AsF | Arsenic monofluoride | rFAs | 1.736 | ±0.001 | 1.777 | 0.041 | 1 | 2 | 
| SiCl | Clorosilylidyne | rSiCl | 2.061 | ±0.000 | 2.104 | 0.042 | 1 | 2 | 
| GeBr4 | Germanium tetrabromide | rGeBr | 2.272 | ±0.001 | 2.315 | 0.043 | 1 | 2 | 
| AlCl | Aluminum monochloride | rAlCl | 2.130 | ±0.000 | 2.173 | 0.043 | 1 | 2 | 
| BrF3 | Bromine trifluoride | rFBr | 1.810 | ±0.000 | 1.853 | 0.043 | 1 | 3 | 
| SeCl2 | Selenium Dichloride | rClSe | 2.157 | ±0.003 | 2.201 | 0.044 | 1 | 2 | 
| BrF5 | bromine pentafluoride | rFBr | 1.774 | ±0.003 | 1.818 | 0.044 | 1 | 3 | 
| MgCl | magnesium monochloride | rMgCl | 2.199 |  | 2.243 | 0.044 | 1 | 2 | 
| AsF3 | Arsenic trifluoride | rAsF | 1.706 | ±0.002 | 1.751 | 0.045 | 1 | 2 | 
| PCl | phosphorus chloride | rPCl | 2.018 |  | 2.064 | 0.046 | 1 | 2 | 
| BrO | Bromine monoxide | rOBr | 1.718 |  | 1.764 | 0.046 | 1 | 2 | 
| AlBr | Aluminum monobromide | rAlBr | 2.295 |  | 2.341 | 0.046 | 1 | 2 | 
| CHF2Cl | difluorochloromethane | rCCl | 1.747 | ±0.010 | 1.793 | 0.046 | 1 | 3 | 
| SOF4 | Sulfur tetrafluoride oxide | rFS | 1.596 | ±0.003 | 1.642 | 0.046 | 1 | 3 | 
| HSiCl | Chlorosilylene | rSiCl | 2.067 | ±0.003 | 2.114 | 0.047 | 1 | 2 | 
| ClFO3 | Perchloryl fluoride | rCl=O | 1.400 |  | 1.447 | 0.047 | 2 | 3 | 
| BrF | Bromine monofluoride | rFBr | 1.759 | ±0.000 | 1.807 | 0.048 | 1 | 2 | 
| SF4 | Sulfur tetrafluoride | rSF | 1.646 | ±0.003 | 1.694 | 0.048 | 1 | 2 | 
| NCl | nitrogen monochloride | rNCl | 1.611 | ±0.000 | 1.659 | 0.049 | 1 | 2 | 
| CH3COCl | Acetyl Chloride | rCCl | 1.798 |  | 1.847 | 0.049 | 1 | 4 | 
| SF4 | Sulfur tetrafluoride | rSF | 1.545 | ±0.003 | 1.594 | 0.049 | 1 | 4 | 
| GeCl | Germanium monochloride | rClGe | 2.164 | ±0.000 | 2.216 | 0.052 | 1 | 2 | 
| Br2 | Bromine diatomic | rBrBr | 2.281 |  | 2.334 | 0.053 | 1 | 2 | 
| ClF | Chlorine monofluoride | rFCl | 1.628 | ±0.000 | 1.681 | 0.053 | 1 | 2 | 
| PCl5 | Phosphorus pentachloride | rPCl | 2.020 |  | 2.073 | 0.053 | 1 | 2 | 
| HSSSH | trisulfane | rSS | 2.054 | ±0.000 | 2.109 | 0.055 | 1 | 2 | 
| GaBr | Gallium monobromide | rGaBr | 2.352 | ±0.000 | 2.408 | 0.055 | 1 | 2 | 
| Cl2+ | chlorine diatomic cation | rClCl | 1.892 |  | 1.947 | 0.056 | 1 | 2 | 
| HClO4 | perchloric acid | rO=Cl | 1.404 | ±0.001 | 1.460 | 0.056 | 1 | 4 | 
| AsF5 | Arsenic pentafluoride | rAsF | 1.656 | ±0.004 | 1.712 | 0.056 | 1 | 2 | 
| F2SO | Thionyl Fluoride | rFS | 1.585 | ±0.000 | 1.643 | 0.058 | 1 | 3 | 
| SOF4 | Sulfur tetrafluoride oxide | rFS | 1.539 | ±0.003 | 1.598 | 0.059 | 1 | 5 | 
| BrCl | Bromine monochloride | rClBr | 2.136 | ±0.000 | 2.196 | 0.060 | 1 | 2 | 
| SCl | sulfur monochloride | rSCl | 1.975 |  | 2.035 | 0.060 | 1 | 2 | 
| GaAs | Gallium arsenide | rGa#As | 2.530 | ±0.020 | 2.591 | 0.061 | 1 | 2 | 
| IF | Iodine monofluoride | rFI | 1.910 |  | 1.971 | 0.061 | 1 | 2 | 
| IBr | Iodine monobromide | rBrI | 2.469 | ±0.000 | 2.532 | 0.063 | 1 | 2 | 
| BrF3 | Bromine trifluoride | rFBr | 1.721 |  | 1.784 | 0.063 | 1 | 2 | 
| SCl2 | Sulfur dichloride | rSCl | 2.013 | ±0.001 | 2.078 | 0.065 | 1 | 2 | 
| C4H8O2 | Ethyl acetate | rCO | 1.448 |  | 1.514 | 0.066 | 5 | 6 | 
| OPCl | Phosphorus oxychloride | rPCl | 2.059 | ±0.004 | 2.126 | 0.068 | 1 | 3 | 
| PCl5 | Phosphorus pentachloride | rPCl | 2.124 |  | 2.193 | 0.069 | 1 | 5 | 
| ICl | Iodine monochloride | rClI | 2.321 | ±0.000 | 2.390 | 0.069 | 1 | 2 | 
| CFCl | chlorofluoromethylene | rCCl | 1.714 |  | 1.783 | 0.069 | 1 | 3 | 
| ClOF3 | Chlorine trifluoride oxide | rFCl | 1.713 | ±0.003 | 1.782 | 0.069 | 1 | 4 | 
| Cl2 | Chlorine diatomic | rClCl | 1.988 |  | 2.057 | 0.069 | 1 | 2 | 
| I2 | Iodine diatomic | rII | 2.665 |  | 2.737 | 0.071 | 1 | 2 | 
| BrF5 | bromine pentafluoride | rFBr | 1.689 | ±0.008 | 1.767 | 0.078 | 1 | 2 | 
| HClO4 | perchloric acid | rOCl | 1.641 | ±0.002 | 1.719 | 0.078 | 1 | 3 | 
| ClOF3 | Chlorine trifluoride oxide | rFCl | 1.603 | ±0.004 | 1.702 | 0.099 | 1 | 3 | 
| ClFO3 | Perchloryl fluoride | rFCl | 1.598 |  | 1.713 | 0.115 | 1 | 2 | 
| He2+ | helium diatomic cation | rHeHe | 1.081 | ±0.001 | 1.196 | 0.115 | 1 | 2 | 
| Al2Cl6 | Aluminum, di-μ-chlorotetrachlorodi- | rAlCl | 2.040 | ±0.040 | 2.289 | 0.249 | 1 | 3 | 
| C4H10O | Methyl propyl ether | rCH | 1.099 |  | 1.409 | 0.310 | 1 | 2 | 
580 molecules.