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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: Calculated > Geometry > Calculated geometry > One type of bond | |
ROMP2/3-21G
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| 1.10 | 1.15 | 1.20 | 1.25 | 1.30 | 1.35 | 1.40 | 1.45 | 1.50 | 1.55 | 1.60 | 1.65 | 1.70 | ||||||||||||||||||||||||||||
| bond lengths (Å) | ||||||||||||||||||||||||||||||||||||||||
| Average bond length | Standard deviation |
|---|---|
| 1.328 | 0.115 |
| Species | Name | Bond Length (Å) | |
|---|---|---|---|
| Lowest value | HCO+ | Formyl cation | 1.148 |
| Highest value | CH3OO+ | methylperoxy cation | 1.640 |
| Species | Name | Bond Length (Å) | Atom1 index | Atom2 index |
|---|---|---|---|---|
| CO- | carbon monoxide anion | 1.283 | 1 | 2 |
| CO+ | carbon monoxide cation | 1.166 | 1 | 2 |
| HCO- | formyl anion | 1.265 | 1 | 3 |
| HCO | Formyl radical | 1.221 | 1 | 3 |
| HCO+ | Formyl cation | 1.148 | 1 | 3 |
| H2CO- | formaldehyde anion | 1.348 | 1 | 2 |
| H2CO+ | formaldehyde cation | 1.240 | 1 | 2 |
| CH3O+ | Methoxy cation | 1.460 | 1 | 2 |
| CH2OH | Hydroxymethyl radical | 1.411 | 1 | 2 |
| CH3OH- | Methyl alcohol anion | 1.388 | 1 | 2 |
| CH3OH+ | Methyl alcohol cation | 1.536 | 1 | 2 |
| CO2- | Carbon dioxide anion | 1.286 | 1 | 2 |
| 1.286 | 1 | 3 | ||
| CO2+ | Carbon dioxide cation | 1.217 | 1 | 2 |
| 1.217 | 1 | 3 | ||
| CCO | Dicarbon monoxide | 1.201 | 2 | 3 |
| FCO | Carbonyl fluoride | 1.204 | 2 | 3 |
| HCOO | formate neutral radical | 1.231 | 1 | 3 |
| 1.393 | 1 | 4 | ||
| HFCO+ | formyl fluoride cation | 1.284 | 1 | 2 |
| CH3OO+ | methylperoxy cation | 1.640 | 1 | 2 |
| CH2CHO | Vinyloxy radical | 1.284 | 1 | 4 |
| CH2OOH | CH2OOH radical | 1.421 | 1 | 2 |
| CH3CHO+ | acetaldehyde cation | 1.246 | 1 | 3 |
| CH3CH2O | Ethoxy radical | 1.464 | 2 | 3 |
| CH3CHOH | 1-hydroxy-ethyl radical | 1.419 | 1 | 3 |
| CH2CH2OH | 2-hydroxy ethyl radical | 1.489 | 1 | 2 |
| CH3OCH2 | methoxymethyl radical | 1.475 | 1 | 2 |
| 1.405 | 1 | 3 | ||
| CF2O+ | Carbonic difluoride cation | 1.310 | 1 | 2 |
| C2H2O2 | Ethanedial | 1.251 | 1 | 5 |
| 1.251 | 2 | 6 | ||
| CH3COCH2 | Acetonyl radical | 1.273 | 1 | 2 |
| C2H5OO | ethylperoxy radical | 1.505 | 2 | 3 |
| CH3COCH3- | acetone anion | 1.345 | 1 | 2 |
| C6H5CHO | benzaldehyde | 1.253 | 7 | 8 |