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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 | |
ROHF/aug-cc-pVQZ
| 200 | |
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| 150 | |
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| 100 | |
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| 50 | |
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| 0 | |
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| 1.00 | 1.20 | 1.40 | 1.60 | 1.80 | 2.00 | 2.20 | 2.40 | 2.60 | 2.80 | 3.00 | 3.20 | 3.40 | ||||||||||||||||||||||||||||
| bond lengths (Å) | ||||||||||||||||||||||||||||||||||||||||
| Average bond length | Standard deviation |
|---|---|
| 1.091 | 0.134 |
| Species | Name | Bond Length (Å) | |
|---|---|---|---|
| Lowest value | HCCN | cyanomethylene | 1.052 |
| Highest value | C2H3+ | vinyl cation | 3.016 |
| Species | Name | Bond Length (Å) | Atom1 index | Atom2 index |
|---|---|---|---|---|
| CH | Methylidyne | 1.104 | 1 | 2 |
| CH2- | methylene anion | 1.094 | 1 | 2 |
| 1.094 | 1 | 3 | ||
| CH2 | Methylene | 1.069 | 1 | 2 |
| 1.069 | 1 | 3 | ||
| CH2+ | methylene cation | 1.083 | 1 | 2 |
| 1.083 | 1 | 3 | ||
| CH3- | methyl anion | 1.093 | 1 | 2 |
| 1.093 | 1 | 3 | ||
| 1.093 | 1 | 4 | ||
| CH3 | Methyl radical | 1.070 | 1 | 2 |
| 1.070 | 1 | 3 | ||
| 1.070 | 1 | 4 | ||
| CH3+ | methyl cation | 1.079 | 1 | 2 |
| 1.079 | 1 | 3 | ||
| 1.079 | 1 | 4 | ||
| C2H | Ethynyl radical | 1.055 | 1 | 3 |
| HCN+ | hydrogen cyanide cation | 1.081 | 1 | 2 |
| HCO- | formyl anion | 1.205 | 1 | 2 |
| HCO | Formyl radical | 1.103 | 1 | 2 |
| HCO+ | Formyl cation | 1.085 | 1 | 2 |
| HCCH- | acetylene anion | 1.054 | 1 | 3 |
| 1.054 | 2 | 4 | ||
| C2H2+ | acetylene cation | 1.069 | 1 | 3 |
| 1.069 | 2 | 4 | ||
| H2CC- | vinylidene anion | 1.076 | 1 | 3 |
| 1.076 | 1 | 4 | ||
| H2CN | Dihydrogen cyanide radical | 1.081 | 1 | 3 |
| 1.081 | 1 | 4 | ||
| HCNH | methyleneazane | 1.081 | 1 | 3 |
| H2CO- | formaldehyde anion | 1.091 | 2 | 3 |
| 1.091 | 2 | 4 | ||
| H2CO+ | formaldehyde cation | 1.087 | 2 | 3 |
| 1.087 | 2 | 4 | ||
| H2CS- | thioformaldehyde anion | 1.076 | 2 | 3 |
| 1.076 | 2 | 4 | ||
| H2CS+ | thioformaldehyde cation | 1.080 | 2 | 3 |
| 1.080 | 2 | 4 | ||
| CH2F | fluoromethyl radical | 1.072 | 1 | 3 |
| 1.072 | 1 | 4 | ||
| CH2Cl | chloromethyl radical | 1.068 | 1 | 3 |
| 1.068 | 1 | 4 | ||
| CH2Br | bromomethyl radical | 1.065 | 1 | 3 |
| 1.065 | 1 | 4 | ||
| CH3Li | methyl lithium | 1.091 | 2 | 3 |
| 1.091 | 2 | 4 | ||
| 1.091 | 2 | 5 | ||
| C2H3 | vinyl | 1.070 | 1 | 3 |
| 1.077 | 2 | 4 | ||
| 1.074 | 2 | 5 | ||
| C2H3+ | vinyl cation | 1.254 | 1 | 2 |
| 1.071 | 1 | 3 | ||
| 1.084 | 2 | 4 | ||
| 3.016 | 3 | 5 | ||
| CH2NH+ | Methanimine cation | 1.082 | 1 | 3 |
| 1.079 | 1 | 4 | ||
| CH3O+ | Methoxy cation | 1.084 | 1 | 3 |
| 1.084 | 1 | 4 | ||
| 1.084 | 1 | 5 | ||
| CH2OH | Hydroxymethyl radical | 1.070 | 1 | 3 |
| 1.074 | 1 | 4 | ||
| CH3F+ | methyl fluoride cation | 1.075 | 1 | 3 |
| 1.176 | 1 | 4 | ||
| 1.176 | 1 | 5 | ||
| CH3Cl+ | Methyl chloride cation | 1.081 | 1 | 3 |
| 1.075 | 1 | 4 | ||
| 1.075 | 1 | 5 | ||
| CH3Br | methyl bromide | 1.075 | 1 | 3 |
| 1.075 | 1 | 4 | ||
| 1.075 | 1 | 5 | ||
| C2H4- | Ethylene anion | 1.074 | 1 | 3 |
| 1.074 | 1 | 4 | ||
| 1.074 | 2 | 5 | ||
| 1.074 | 2 | 6 | ||
| C2H4+ | Ethylene cation | 1.074 | 1 | 3 |
| 1.074 | 1 | 4 | ||
| 1.074 | 2 | 5 | ||
| 1.074 | 2 | 6 | ||
| CH3OH- | Methyl alcohol anion | 1.081 | 1 | 3 |
| 1.084 | 1 | 4 | ||
| 1.084 | 1 | 5 | ||
| CH3OH+ | Methyl alcohol cation | 1.073 | 1 | 3 |
| 1.081 | 1 | 4 | ||
| 1.081 | 1 | 5 | ||
| CH3SH+ | Methanethiol cation | 1.077 | 1 | 4 |
| 1.081 | 1 | 5 | ||
| 1.081 | 1 | 6 | ||
| C2H5 | Ethyl radical | 1.088 | 1 | 3 |
| 1.083 | 1 | 4 | ||
| 1.083 | 1 | 5 | ||
| 1.073 | 2 | 6 | ||
| 1.073 | 2 | 7 | ||
| CH3NH2+ | methyl amine cation | 1.085 | 1 | 3 |
| 1.077 | 1 | 4 | ||
| 1.077 | 1 | 5 | ||
| C2H6+ | ethane cation | 1.135 | 1 | 3 |
| 1.074 | 1 | 4 | ||
| 1.134 | 1 | 5 | ||
| 1.135 | 2 | 6 | ||
| 1.134 | 2 | 7 | ||
| 1.074 | 2 | 8 | ||
| CH3NH3 | methyl ammonium radical | 1.077 | 1 | 3 |
| 1.077 | 1 | 4 | ||
| 1.077 | 1 | 5 | ||
| HCCN | cyanomethylene | 1.052 | 1 | 4 |
| HCOO | formate neutral radical | 1.091 | 1 | 2 |
| HCCO | ketenyl radical | 1.063 | 2 | 4 |
| HFCO+ | formyl fluoride cation | 1.085 | 1 | 4 |
| CHF2 | difluoromethyl radical | 1.076 | 1 | 2 |
| HCCF+ | fluoroacetylene cation | 1.067 | 2 | 4 |
| COHCl | Formyl chloride | 1.083 | 1 | 4 |
| CHFCl | Chlorofluoromethyl radical | 1.072 | 1 | 2 |
| COHBr | Formyl bromide | 1.084 | 1 | 3 |
| C3H3- | Propargyl anion | 1.076 | 1 | 4 |
| 1.076 | 1 | 5 | ||
| 1.082 | 3 | 6 | ||
| CH3CN- | acetonitrile anion | 1.080 | 1 | 4 |
| 1.080 | 1 | 5 | ||
| 1.080 | 1 | 6 | ||
| HCNCH2+ | 2H-Azirine cation | 1.074 | 2 | 4 |
| 1.070 | 3 | 5 | ||
| 1.070 | 3 | 6 | ||
| CH2CHO | Vinyloxy radical | 1.093 | 1 | 2 |
| 1.071 | 3 | 5 | ||
| 1.071 | 3 | 6 | ||
| CH2CHF | Ethene, fluoro- | 1.071 | 1 | 4 |
| 1.072 | 2 | 5 | ||
| 1.070 | 2 | 6 | ||
| CH3CHN | methylmethaniminyl radical | 1.085 | 1 | 4 |
| 1.080 | 2 | 5 | ||
| 1.083 | 2 | 6 | ||
| 1.083 | 2 | 7 | ||
| CH3CHO+ | acetaldehyde cation | 1.086 | 1 | 4 |
| 1.077 | 2 | 5 | ||
| 1.086 | 2 | 6 | ||
| 1.086 | 2 | 7 | ||
| C2H4O+ | ethylene oxide cation | 1.074 | 2 | 4 |
| 1.074 | 2 | 5 | ||
| 1.074 | 3 | 6 | ||
| 1.074 | 3 | 7 | ||
| C3H5 | Allyl radical | 1.076 | 1 | 2 |
| 1.072 | 3 | 5 | ||
| 1.073 | 3 | 7 | ||
| 1.072 | 4 | 6 | ||
| 1.073 | 4 | 8 | ||
| CH3CHCH | 1-propenyl radical | 1.081 | 1 | 4 |
| 1.069 | 2 | 5 | ||
| 1.081 | 3 | 6 | ||
| 1.084 | 3 | 7 | ||
| 1.084 | 3 | 8 | ||
| CH3CH2O | Ethoxy radical | 1.084 | 1 | 4 |
| 1.083 | 1 | 5 | ||
| 1.083 | 1 | 6 | ||
| 1.087 | 2 | 7 | ||
| 1.087 | 2 | 8 | ||
| CH3CHOH | 1-hydroxy-ethyl radical | 1.078 | 1 | 4 |
| 1.083 | 2 | 5 | ||
| 1.082 | 2 | 6 | ||
| 1.087 | 2 | 7 | ||
| CH3CH2SH | ethanethiol | 1.083 | 1 | 4 |
| 1.083 | 1 | 5 | ||
| 1.083 | 1 | 6 | ||
| 1.080 | 2 | 7 | ||
| 1.080 | 2 | 8 | ||
| CH3SCH3+ | dimethyl sulfide cation | 1.078 | 2 | 4 |
| 1.081 | 2 | 6 | ||
| 1.081 | 2 | 7 | ||
| 1.078 | 3 | 5 | ||
| 1.081 | 3 | 8 | ||
| 1.081 | 3 | 9 | ||
| CH3CHCH3 | Isopropyl radical | 1.075 | 1 | 4 |
| 1.085 | 2 | 5 | ||
| 1.089 | 2 | 7 | ||
| 1.083 | 2 | 8 | ||
| 1.085 | 3 | 6 | ||
| 1.089 | 3 | 9 | ||
| 1.083 | 3 | 10 | ||
| C3H7 | n-Propyl radical | 1.073 | 1 | 9 |
| 1.074 | 1 | 10 | ||
| 1.090 | 2 | 7 | ||
| 1.085 | 2 | 8 | ||
| 1.083 | 3 | 4 | ||
| 1.084 | 3 | 5 | ||
| 1.084 | 3 | 6 | ||
| CHBrCl2 | Methane, bromodichloro- | 1.069 | 1 | 2 |
| CHClBr2 | Methane, dibromochloro- | 1.069 | 1 | 2 |
| CHBrF2 | Methane, bromodifluoro- | 1.074 | 1 | 2 |
| C4H2+ | diacetlyene cation | 1.063 | 3 | 5 |
| 1.063 | 4 | 6 | ||
| C2H2O2 | Ethanedial | 1.091 | 1 | 3 |
| 1.091 | 2 | 4 | ||
| C3H3N+ | acrylonitrile cation | 1.076 | 3 | 4 |
| 1.075 | 5 | 6 | ||
| 1.074 | 5 | 7 | ||
| CH3COCH2 | Acetonyl radical | 1.070 | 3 | 5 |
| 1.071 | 3 | 6 | ||
| 1.078 | 4 | 7 | ||
| 1.084 | 4 | 8 | ||
| 1.084 | 4 | 9 | ||
| C6H12O2 | Methyl pivalate | 1.081 | 1 | 9 |
| 1.081 | 1 | 10 | ||
| 1.083 | 1 | 11 | ||
| 1.080 | 4 | 12 | ||
| 1.084 | 4 | 13 | ||
| 1.083 | 4 | 14 | ||
| 1.081 | 5 | 15 | ||
| 1.084 | 5 | 16 | ||
| 1.083 | 5 | 17 | ||
| 1.077 | 8 | 18 | ||
| 1.079 | 8 | 19 | ||
| 1.079 | 8 | 20 |