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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 | |
MP2/aug-cc-pVQZ
| 90 | |
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| 80 | |
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| 70 | |
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| 60 | |
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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 |
|---|---|
| 1.434 | 0.218 |
| Species | Name | Bond Length (Å) | |
|---|---|---|---|
| Lowest value | C4H6 | 1-Methylcyclopropene | 1.086 |
| Highest value | C4H6 | 1-Methylcyclopropene | 3.318 |
| Species | Name | Bond Length (Å) | Atom1 index | Atom2 index |
|---|---|---|---|---|
| C2 | Carbon diatomic | 1.256 | 1 | 2 |
| C2+ | carbon diatomic cation | 1.398 | 1 | 2 |
| C2H- | Ethynyl anion | 1.252 | 1 | 2 |
| C2H | Ethynyl radical | 1.170 | 1 | 2 |
| C2H+ | Ethynyl cation | 1.224 | 1 | 2 |
| C2H2 | Acetylene | 1.209 | 1 | 2 |
| C2H2+ | acetylene cation | 1.250 | 1 | 2 |
| H2CC- | vinylidene anion | 1.329 | 1 | 2 |
| C2H3- | vinyl anion | 1.356 | 1 | 2 |
| C2H3 | vinyl | 1.278 | 1 | 2 |
| C2H3+ | vinyl cation | 1.226 | 2 | 3 |
| C2H4- | Ethylene anion | 1.425 | 1 | 2 |
| C2H4 | Ethylene | 1.330 | 1 | 2 |
| C2H4+ | Ethylene cation | 1.407 | 1 | 2 |
| C2H5- | Ethyl anion | 1.525 | 1 | 2 |
| C2H5 | Ethyl radical | 1.483 | 1 | 2 |
| C2H6 | Ethane | 1.521 | 1 | 2 |
| C2H6+ | ethane cation | 1.428 | 1 | 2 |
| C3 | carbon trimer | 1.296 | 1 | 2 |
| 1.296 | 1 | 3 | ||
| SiC2 | Silicon dicarbide | 1.276 | 2 | 3 |
| CCO | Dicarbon monoxide | 1.369 | 1 | 2 |
| HCCN | cyanomethylene | 1.306 | 1 | 2 |
| HCCF | Fluoroacetylene | 1.202 | 1 | 2 |
| C2H2O | Oxirene | 1.270 | 2 | 3 |
| CH2CS | Thioketene | 1.313 | 1 | 2 |
| C3H3- | Propargyl anion | 1.363 | 1 | 2 |
| 1.266 | 2 | 3 | ||
| C3H3+ | cyclopropenyl cation | 1.362 | 1 | 2 |
| 1.362 | 1 | 3 | ||
| 1.362 | 2 | 3 | ||
| CH3CN- | acetonitrile anion | 1.457 | 1 | 2 |
| HCNCH2+ | 2H-Azirine cation | 1.710 | 2 | 3 |
| CH3CO+ | acetyl cation | 1.431 | 1 | 2 |
| CH2COH+ | ketene, protonated | 1.275 | 1 | 2 |
| CH2CHF | Ethene, fluoro- | 1.322 | 1 | 2 |
| CH3CCH | propyne | 1.456 | 1 | 2 |
| 1.212 | 2 | 3 | ||
| CH2CCH2 | allene | 1.306 | 1 | 2 |
| 1.306 | 1 | 3 | ||
| C3H4 | cyclopropene | 1.506 | 1 | 2 |
| 1.506 | 1 | 3 | ||
| 1.296 | 2 | 3 | ||
| CH3CHN | methylmethaniminyl radical | 1.503 | 1 | 2 |
| CH3CHO | Acetaldehyde | 1.496 | 1 | 2 |
| CH3CHO+ | acetaldehyde cation | 1.490 | 1 | 2 |
| C2H4O | Ethylene oxide | 1.459 | 2 | 3 |
| C2H4O+ | ethylene oxide cation | 1.454 | 2 | 3 |
| C2H4S | Thiirane | 1.478 | 2 | 3 |
| CH2CHSH | Ethenethiol | 1.333 | 1 | 2 |
| C3H5 | Allyl radical | 1.370 | 1 | 3 |
| 1.370 | 1 | 4 | ||
| CH3CHCH | 1-propenyl radical | 1.281 | 1 | 2 |
| 1.498 | 1 | 3 | ||
| CH3CH2O | Ethoxy radical | 1.515 | 1 | 2 |
| CH3CHOH | 1-hydroxy-ethyl radical | 1.478 | 1 | 2 |
| CH2CH2OH | 2-hydroxy ethyl radical | 1.474 | 2 | 3 |
| C2H5Br | Ethyl bromide | 1.509 | 1 | 2 |
| C3H6 | Cyclopropane | 1.502 | 1 | 2 |
| 1.502 | 1 | 3 | ||
| 1.502 | 2 | 3 | ||
| CH2CHCH3 | Propene | 1.493 | 1 | 2 |
| 1.332 | 2 | 3 | ||
| CH3CH2OH | Ethanol | 1.508 | 1 | 2 |
| CH3CH2SH | ethanethiol | 1.516 | 1 | 2 |
| CH3CHCH3 | Isopropyl radical | 1.485 | 1 | 2 |
| 1.485 | 1 | 3 | ||
| CH3CHCH3+ | Isopropyl cation | 1.429 | 1 | 3 |
| 1.429 | 1 | 4 | ||
| C3H7 | n-Propyl radical | 1.484 | 1 | 2 |
| 1.523 | 2 | 3 | ||
| C3H7+ | cyclopropane, protonated | 1.389 | 1 | 2 |
| 1.707 | 1 | 3 | ||
| 1.781 | 2 | 3 | ||
| C3H8 | Propane | 1.521 | 1 | 2 |
| 1.521 | 1 | 3 | ||
| C2N2 | Cyanogen | 1.376 | 1 | 2 |
| C3O | Tricarbon monoxide | 1.274 | 1 | 2 |
| C4H2+ | diacetlyene cation | 1.324 | 1 | 2 |
| 1.229 | 1 | 3 | ||
| 1.229 | 2 | 4 | ||
| HNCCNH | Ethenediimine | 1.303 | 1 | 2 |
| C2H2O2 | Ethanedial | 1.514 | 1 | 2 |
| C3H2O | Propadienal | 1.332 | 1 | 2 |
| 1.310 | 2 | 3 | ||
| CHBrCHBr | Ethene, 1,2-dibromo-, (Z)- | 1.331 | 1 | 2 |
| C3H3N+ | acrylonitrile cation | 1.393 | 1 | 3 |
| 1.403 | 3 | 5 | ||
| C4H4 | cyclobutadiene | 1.565 | 1 | 2 |
| 1.340 | 1 | 3 | ||
| 1.565 | 3 | 4 | ||
| 1.340 | 2 | 4 | ||
| CH2CHCHO | Acrolein | 1.468 | 1 | 2 |
| 1.336 | 2 | 3 | ||
| CH3CHF2 | Ethane, 1,1-difluoro- | 1.496 | 1 | 2 |
| C2H4F2 | 1,2-difluoroethane | 1.497 | 1 | 2 |
| C2H5CN | ethyl cyanide | 1.527 | 1 | 2 |
| 1.459 | 2 | 3 | ||
| CH3COCH2 | Acetonyl radical | 1.473 | 1 | 3 |
| 1.508 | 1 | 4 | ||
| CH2CHCH2F | Allyl Fluoride | 1.489 | 1 | 2 |
| 1.330 | 2 | 3 | ||
| C4H6 | 1-Methylcyclopropene | 1.508 | 2 | 3 |
| 1.086 | 2 | 6 | ||
| 2.249 | 3 | 6 | ||
| 3.318 | 3 | 10 | ||
| C4H6 | Bicyclo[1.1.0]butane | 1.498 | 1 | 2 |
| 1.492 | 1 | 3 | ||
| 1.492 | 2 | 3 | ||
| 1.492 | 2 | 4 | ||
| 1.492 | 1 | 4 | ||
| CH3COCH3 | Acetone | 1.507 | 1 | 3 |
| 1.507 | 1 | 4 | ||
| CH3CH2CHO | Propanal | 1.516 | 1 | 2 |
| 1.500 | 2 | 3 | ||
| CH3CHFCH3 | 2-Fluoropropane | 1.507 | 1 | 4 |
| 1.507 | 1 | 5 | ||
| CH3CHClCH3 | Propane, 2-chloro- | 1.512 | 2 | 3 |
| 1.512 | 2 | 4 | ||
| C3H7OH | 1-Propanol | 1.521 | 1 | 2 |
| 1.511 | 2 | 3 | ||
| CH3CH2CH2CH3 | Butane | 1.521 | 1 | 2 |
| 1.521 | 1 | 3 | ||
| 1.521 | 2 | 4 | ||
| C3O2 | Carbon suboxide | 1.275 | 1 | 2 |
| 1.275 | 1 | 3 | ||
| C3H2O2 | Propiolic acid | 1.445 | 1 | 2 |
| 1.211 | 2 | 3 | ||
| CH2ClCCCl | 1,3-dichloropropyne | 1.213 | 1 | 2 |
| 1.446 | 2 | 3 | ||
| CHCl2CCH | 3,3-dichloropropyne | 1.212 | 1 | 2 |
| 1.443 | 2 | 3 | ||
| C2H2N2O | Furazan | 1.399 | 4 | 5 |
| C3H3NO | Isoxazole | 1.409 | 1 | 2 |
| 1.360 | 1 | 3 | ||
| C5H4 | pentatetraene | 1.277 | 1 | 2 |
| 1.277 | 1 | 3 | ||
| 1.315 | 2 | 4 | ||
| 1.315 | 3 | 5 | ||
| C3H4N2 | 4H-Imidazole | 1.489 | 4 | 5 |
| C2H4O3 | 1,2,3-trioxolane | 1.547 | 4 | 5 |
| CH2CHSCHCH2 | Divinyl sulfide | 1.335 | 2 | 4 |
| 1.336 | 3 | 5 | ||
| C5H8 | Bicyclo[1.1.1]pentane | 1.548 | 1 | 2 |
| 1.548 | 1 | 3 | ||
| 1.548 | 1 | 4 | ||
| 1.548 | 2 | 5 | ||
| 1.548 | 3 | 5 | ||
| 1.548 | 4 | 5 | ||
| C3H2O3 | vinylene carbonate | 1.331 | 5 | 6 |
| C6H6 | Benzene | 1.392 | 1 | 2 |
| 1.392 | 2 | 3 | ||
| 1.392 | 3 | 4 | ||
| 1.392 | 4 | 5 | ||
| 1.392 | 1 | 6 | ||
| 1.392 | 5 | 6 | ||
| C4H6O2 | γ–Butyrolactone | 1.515 | 1 | 2 |
| 1.520 | 2 | 3 | ||
| 1.523 | 3 | 4 | ||
| C4H8O2 | Ethyl acetate | 1.499 | 1 | 2 |
| 1.506 | 5 | 6 | ||
| C5H4O2 | furfural | 1.369 | 2 | 3 |
| 1.412 | 3 | 5 | ||
| 1.374 | 4 | 5 | ||
| 1.453 | 4 | 6 | ||
| C6H12O | Oxepane | 1.525 | 2 | 3 |
| 1.528 | 3 | 4 | ||
| 1.528 | 4 | 5 | ||
| 1.523 | 5 | 6 | ||
| 1.518 | 6 | 7 | ||
| C8H8 | cubane | 1.564 | 1 | 2 |
| 1.564 | 1 | 3 | ||
| 1.564 | 2 | 4 | ||
| 1.564 | 3 | 4 | ||
| 1.564 | 1 | 5 | ||
| 1.564 | 2 | 6 | ||
| 1.564 | 5 | 6 | ||
| 1.564 | 5 | 7 | ||
| 1.564 | 3 | 7 | ||
| 1.564 | 4 | 8 | ||
| 1.564 | 6 | 8 | ||
| 1.564 | 7 | 8 |