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Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology |
| You are here: Home > Geometry > Experimental > Same bond/angle many molecules OR Comparisons > Geometry > Bonds, angles > Same bond/angle many molecules | |
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| -0.010 | 0.000 | 0.010 | 0.020 | 0.030 | 0.040 | 0.050 | 0.060 | 0.070 | 0.080 | 0.090 | 0.100 | 0.110 | ||||||||||||||||||||||||||||
| bond length difference calc. - exp. (Å) | ||||||||||||||||||||||||||||||||||||||||
| Species | Name | Difference (Å) | |
|---|---|---|---|
| Most negative difference | HCO | Formyl radical | 0.006 |
| Most positive difference | C2H4O | Ethylene oxide | 0.116 |
Bond lengths
Click on entry for experimental details.
| Species | Name | Experimental (Å) | Difference (Å) |
|---|---|---|---|
| HCO | Formyl radical | 1.198 | 0.006 |
| FCO | Carbonyl fluoride | 1.180 | 0.007 |
| CO+ | carbon monoxide cation | 1.115 | 0.011 |
| C5H8O | 2H-Pyran, 3,4-dihydro- | 1.405 | 0.025 |
| C6H5OCH3 | Anisole | 1.399 | 0.035 |
| H2COO | Dioxymethyl radical | 1.272 | 0.039 |
| C2H4O4 | Formic acid dimer | 1.217 | 0.041 |
| C5H12O | Butane, 1-methoxy- | 1.448 | 0.041 |
| C2H4O4 | Formic acid dimer | 1.320 | 0.043 |
| CF3COOH | trifluoroacetic acid | 1.353 | 0.044 |
| HOCO+ | Hydrocarboxyl cation | 1.140 | 0.051 |
| C3H2O3 | vinylene carbonate | 1.191 | 0.052 |
| CF2O | Carbonic difluoride | 1.174 | 0.052 |
| C6H5OCH3 | Anisole | 1.433 | 0.053 |
| C3H3NO | Oxazole | 1.370 | 0.054 |
| C3H3NO | Oxazole | 1.357 | 0.055 |
| HFCO | formyl fluoride | 1.181 | 0.055 |
| CH3COOH | Acetic acid | 1.212 | 0.056 |
| C2H2O4 | Oxalic Acid | 1.336 | 0.056 |
| BH3CO | Borane carbonyl | 1.135 | 0.056 |
| C6H10O | cyclohexanone | 1.229 | 0.057 |
| CH3COF | Acetyl fluoride | 1.181 | 0.058 |
| CH3COCl | Acetyl Chloride | 1.187 | 0.058 |
| HOCH2COOH | Hydroxyacetic acid | 1.210 | 0.059 |
| CH2CHOH | ethenol | 1.372 | 0.059 |
| C3H8O2 | Methane, dimethoxy- | 1.432 | 0.059 |
| HOCO+ | Hydrocarboxyl cation | 1.209 | 0.060 |
| NH2CONH2 | Urea | 1.221 | 0.060 |
| H2NCH2COOH | Glycine | 1.207 | 0.060 |
| C3H7NO | dimethylformamide | 1.224 | 0.060 |
| CH3O | Methoxy radical | 1.405 | 0.061 |
| HCOOH | Formic acid | 1.202 | 0.061 |
| C2H2O4 | Oxalic Acid | 1.205 | 0.061 |
| C4H2O3 | Maleic Anhydride | 1.192 | 0.061 |
| CH3CH(NH2)COOH | Alanine | 1.347 | 0.062 |
| CCl2O | Phosgene | 1.177 | 0.062 |
| CO2 | Carbon dioxide | 1.162 | 0.063 |
| C3H6O3 | 1,3,5-Trioxane | 1.421 | 0.063 |
| C5H8O | Methyl cyclopropyl ketone | 1.225 | 0.063 |
| C5H8O | Cyclopentanone | 1.215 | 0.063 |
| HOCH2COOH | Hydroxyacetic acid | 1.349 | 0.063 |
| CH3OH | Methyl alcohol | 1.427 | 0.064 |
| C3H2O3 | vinylene carbonate | 1.385 | 0.064 |
| CH3CONH2 | Acetamide | 1.220 | 0.064 |
| OCS | Carbonyl sulfide | 1.160 | 0.064 |
| HCONHCH3 | N-methylformamide | 1.219 | 0.065 |
| CH3CHO | Acetaldehyde | 1.216 | 0.065 |
| CH2CO | Ketene | 1.162 | 0.065 |
| C4H6O | Cyclobutanone | 1.202 | 0.065 |
| C4H8O2 | 1,3-Dioxane | 1.439 | 0.065 |
| CHOCHCHCH3 | 2-Butenal | 1.219 | 0.066 |
| OCSe | Carbonyl selenide | 1.159 | 0.066 |
| ClCOClCO | Oxalyl chloride | 1.182 | 0.067 |
| COBr2 | Carbonic dibromide | 1.172 | 0.067 |
| CH3COOH | Acetic acid | 1.361 | 0.067 |
| CH3OCHO | methyl formate | 1.200 | 0.067 |
| CH3OC2H5 | Ethane, methoxy- | 1.415 | 0.067 |
| C5H12O | Butane, 1-methoxy- | 1.415 | 0.068 |
| CF3COOH | trifluoroacetic acid | 1.192 | 0.068 |
| CH3CH2OH | Ethanol | 1.431 | 0.068 |
| CHONH2 | formamide | 1.210 | 0.068 |
| H2NCH2COOH | Glycine | 1.357 | 0.069 |
| CH2CHCHO | Acrolein | 1.215 | 0.069 |
| HNCO | Isocyanic acid | 1.164 | 0.069 |
| C4H8O2 | Ethyl acetate | 1.203 | 0.069 |
| CH3OCHO | methyl formate | 1.334 | 0.069 |
| C2H2O2 | Ethanedial | 1.212 | 0.070 |
| HCOOH | Formic acid | 1.343 | 0.070 |
| CH3OCHO | methyl formate | 1.437 | 0.070 |
| C5H10O | 2-Butanone, 3-methyl- | 1.217 | 0.070 |
| CH3CH2CHO | Propanal | 1.210 | 0.070 |
| CH3COCH3 | Acetone | 1.214 | 0.070 |
| C4H6O | Furan, 2,5-dihydro- | 1.440 | 0.071 |
| CH3OCH3 | Dimethyl ether | 1.411 | 0.071 |
| CO | Carbon monoxide | 1.128 | 0.072 |
| C4H8O2 | Ethyl acetate | 1.345 | 0.072 |
| CH2ClCHO | chloroacetaldehyde | 1.206 | 0.072 |
| CF3OF | Trifluoromethylhypofluorite | 1.395 | 0.072 |
| C5H4O2 | 4-Cyclopentene-1,3-dione | 1.208 | 0.072 |
| HOCH2COOH | Hydroxyacetic acid | 1.406 | 0.073 |
| CH3CH(NH2)COOH | Alanine | 1.192 | 0.073 |
| C4H10O2 | Ethane, 1,2-dimethoxy- | 1.410 | 0.073 |
| C4H6O2 | 2,3-Butanedione | 1.214 | 0.073 |
| C3H4O | Cyclopropanone | 1.191 | 0.074 |
| CH3ONO | Methyl nitrite | 1.437 | 0.074 |
| H2CO | Formaldehyde | 1.205 | 0.074 |
| CHOCH(CH3)CH3 | Propanal, 2-methyl- | 1.206 | 0.075 |
| CH2C(CH3)OCH3 | 1-Propene, 2-methoxy- | 1.416 | 0.075 |
| C3H6O | 2-Propen-1-ol | 1.428 | 0.076 |
| C6H5OH | phenol | 1.364 | 0.076 |
| C2H6O2 | 1,2-Ethanediol | 1.420 | 0.077 |
| C5H10O | 2H-Pyran, tetrahydro- | 1.420 | 0.078 |
| C4H10O | Ethoxy ethane | 1.411 | 0.079 |
| C4H5NO | 3-Methylisoxazole | 1.342 | 0.082 |
| C4H10O | Propane, 2-methoxy- | 1.422 | 0.082 |
| CH3OC2H5 | Ethane, methoxy- | 1.407 | 0.083 |
| C4H8O2 | 1,3-Dioxane | 1.393 | 0.083 |
| Fe(CO)5 | Iron pentacarbonyl | 1.145 | 0.084 |
| C3O2 | Carbon suboxide | 1.146 | 0.085 |
| C4H8O2 | 1,3-Dioxolane, 2-methyl- | 1.422 | 0.085 |
| C3H2O3 | vinylene carbonate | 1.364 | 0.085 |
| CH3CH2O | Ethoxy radical | 1.388 | 0.086 |
| C3H8O2 | Methane, dimethoxy- | 1.382 | 0.087 |
| C5H8O | 2H-Pyran, 3,4-dihydro- | 1.420 | 0.087 |
| C2H5NO3 | Nitric acid, ethyl ester | 1.430 | 0.088 |
| C4H2O3 | Maleic Anhydride | 1.386 | 0.088 |
| CH3CH(CH3)ONO | Isopropyl nitrite | 1.432 | 0.090 |
| C4H5NO | Isoxazole, 5-methyl- | 1.342 | 0.091 |
| C3H8O2 | Propylene glycol | 1.420 | 0.091 |
| CH2C(CH3)OCH3 | 1-Propene, 2-methoxy- | 1.353 | 0.094 |
| C3H8O2 | 1,3-Propanediol | 1.410 | 0.096 |
| CH2O2 | Dioxirane | 1.388 | 0.101 |
| C4H8O2 | Ethyl acetate | 1.448 | 0.104 |
| C3H5ClO | Oxirane, (chloromethyl)- | 1.442 | 0.105 |
| C3H6O | Propylene oxide | 1.436 | 0.112 |
| CH3OCl | methyl hypochlorite | 1.389 | 0.114 |
| C2H4O | Ethylene oxide | 1.425 | 0.116 |