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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 | |
CCSD/6-31G**
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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 |
|---|---|
| 1.444 | 0.192 |
| Species | Name | Bond Length (Å) | |
|---|---|---|---|
| Lowest value | C6H6 | Dewar Benzene | 1.089 |
| Highest value | C4H6 | 1-Methylcyclopropene | 3.334 |
| Species | Name | Bond Length (Å) | Atom1 index | Atom2 index |
|---|---|---|---|---|
| HCCH- | acetylene anion | 1.323 | 1 | 2 |
| C2H2 | Acetylene | 1.212 | 1 | 2 |
| C2H2+ | acetylene cation | 1.257 | 1 | 2 |
| H2CC- | vinylidene anion | 1.351 | 1 | 2 |
| C2H3 | vinyl | 1.319 | 1 | 2 |
| C2H3+ | vinyl cation | 1.232 | 2 | 3 |
| C2H4 | Ethylene | 1.336 | 1 | 2 |
| C2H5 | Ethyl radical | 1.494 | 1 | 2 |
| C2H6 | Ethane | 1.527 | 1 | 2 |
| C3 | carbon trimer | 1.297 | 1 | 2 |
| 1.297 | 1 | 3 | ||
| SiC2 | Silicon dicarbide | 1.278 | 2 | 3 |
| HCCO | ketenyl radical | 1.300 | 1 | 2 |
| HCCF | Fluoroacetylene | 1.204 | 1 | 2 |
| C2H2O | Oxirene | 1.275 | 2 | 3 |
| CH2CO | Ketene | 1.319 | 1 | 2 |
| CH2CS | Thioketene | 1.315 | 1 | 2 |
| CH3CN- | acetonitrile anion | 1.588 | 1 | 2 |
| CH3CN | Acetonitrile | 1.469 | 1 | 2 |
| CHNCH2 | 2H-Azirine | 1.439 | 2 | 3 |
| HCNCH2+ | 2H-Azirine cation | 1.684 | 2 | 3 |
| CHNHCH | 1H-Azirine | 1.283 | 2 | 3 |
| H2CCNH | Ethenimine | 1.317 | 1 | 2 |
| HCCNH2 | Ethynamine | 1.213 | 1 | 2 |
| CH3CO | Acetyl radical | 1.519 | 1 | 2 |
| CH2CHF | Ethene, fluoro- | 1.328 | 1 | 2 |
| CH3CCH | propyne | 1.469 | 1 | 2 |
| 1.212 | 2 | 3 | ||
| CH2CCH2 | allene | 1.314 | 1 | 2 |
| 1.314 | 1 | 3 | ||
| C3H4 | cyclopropene | 1.508 | 1 | 2 |
| 1.508 | 1 | 3 | ||
| 1.301 | 2 | 3 | ||
| CH3CHO | Acetaldehyde | 1.506 | 1 | 2 |
| CH3CHO+ | acetaldehyde cation | 1.514 | 1 | 2 |
| C2H4O | Ethylene oxide | 1.467 | 2 | 3 |
| C2H4O+ | ethylene oxide cation | 1.462 | 2 | 3 |
| C2H4S | Thiirane | 1.484 | 2 | 3 |
| CH2CHSH | Ethenethiol | 1.337 | 1 | 2 |
| CH3CHS | Thioacetaldehyde | 1.500 | 1 | 2 |
| C3H5 | Allyl radical | 1.389 | 1 | 3 |
| 1.389 | 1 | 4 | ||
| C2H5Br | Ethyl bromide | 1.517 | 1 | 2 |
| C3H6 | Cyclopropane | 1.505 | 1 | 2 |
| 1.505 | 1 | 3 | ||
| 1.505 | 2 | 3 | ||
| CH2CHCH3 | Propene | 1.503 | 1 | 2 |
| 1.337 | 2 | 3 | ||
| CH3CH2SH | ethanethiol | 1.523 | 1 | 2 |
| C3H7 | n-Propyl radical | 1.496 | 1 | 2 |
| 1.531 | 2 | 3 | ||
| C4 | Carbon tetramer | 1.294 | 1 | 2 |
| 1.317 | 1 | 3 | ||
| 1.317 | 2 | 4 | ||
| HNCCNH | Ethenediimine | 1.321 | 1 | 2 |
| C2H2O2 | Ethanedial | 1.519 | 1 | 2 |
| C3H2O | Propadienal | 1.333 | 1 | 2 |
| 1.315 | 2 | 3 | ||
| HOCH2CN | cyanomethanol | 1.485 | 1 | 2 |
| CH2CHCHO | Acrolein | 1.480 | 1 | 2 |
| 1.340 | 2 | 3 | ||
| CH3CHF2 | Ethane, 1,1-difluoro- | 1.503 | 1 | 2 |
| C2H4F2 | 1,2-difluoroethane | 1.514 | 1 | 2 |
| CH2BrCH2Br | Ethane, 1,2-dibromo- | 1.512 | 1 | 2 |
| CH2BrCH2Cl | 1-bromo-2-chloroethane | 1.514 | 1 | 2 |
| C2H5CN | ethyl cyanide | 1.533 | 1 | 2 |
| 1.474 | 2 | 3 | ||
| CH3C(OH)=NH | Ethaninidic acid | 1.504 | 1 | 2 |
| CH3CSNH2 | Ethanethioamide | 1.512 | 1 | 3 |
| CH2FCH2OH | 2-fluoroethanol | 1.511 | 1 | 2 |
| CH2CHCH2F | Allyl Fluoride | 1.500 | 1 | 2 |
| 1.335 | 2 | 3 | ||
| C4H6 | 1-Methylcyclopropene | 1.509 | 2 | 3 |
| 1.089 | 2 | 6 | ||
| 2.258 | 3 | 6 | ||
| 3.334 | 3 | 10 | ||
| H2NCHCHNH2 | diaminoethylene | 1.340 | 1 | 2 |
| CH3CH2CHO | Propanal | 1.523 | 1 | 2 |
| 1.510 | 2 | 3 | ||
| CH2FCH2CH3 | 1-Fluoropropane | 1.515 | 1 | 2 |
| 1.527 | 2 | 3 | ||
| CH2CHCH2CH3 | 1-Butene | 1.532 | 1 | 2 |
| 1.505 | 2 | 3 | ||
| 1.337 | 3 | 4 | ||
| C3H7OH | 1-Propanol | 1.527 | 1 | 2 |
| 1.520 | 2 | 3 | ||
| C3O2 | Carbon suboxide | 1.278 | 1 | 2 |
| 1.278 | 1 | 3 | ||
| CHCl2CHO | dichloroacetaldehyde | 1.531 | 1 | 2 |
| CH2ClCCCl | 1,3-dichloropropyne | 1.209 | 1 | 2 |
| 1.461 | 2 | 3 | ||
| CHCl2CCH | 3,3-dichloropropyne | 1.211 | 1 | 2 |
| 1.458 | 2 | 3 | ||
| C2H2N2O | Furazan | 1.427 | 4 | 5 |
| C3H3NO | Isoxazole | 1.428 | 1 | 2 |
| 1.356 | 1 | 3 | ||
| C3H3NS | Thiazole | 1.363 | 3 | 5 |
| CHF2CH2F | Ethane, 1,1,2-trifluoro | 1.509 | 1 | 2 |
| C5H4 | pentatetraene | 1.286 | 1 | 2 |
| 1.286 | 1 | 3 | ||
| 1.320 | 2 | 4 | ||
| 1.320 | 3 | 5 | ||
| C4H4Se | selenophene | 1.362 | 2 | 4 |
| 1.362 | 3 | 5 | ||
| 1.439 | 4 | 5 | ||
| C4H5N | Pyrrole | 1.375 | 3 | 5 |
| 1.375 | 4 | 6 | ||
| 1.428 | 5 | 6 | ||
| CH2CClCHCH2 | 1,3-Butadiene, 2-chloro- | 1.340 | 1 | 2 |
| 1.469 | 2 | 3 | ||
| 1.340 | 3 | 4 | ||
| HCOOC2H5 | Ethyl formate | 1.513 | 1 | 2 |
| CH2FCH2CH2F | 1,3-difluoropropane | 1.515 | 1 | 2 |
| 1.515 | 1 | 3 | ||
| CH3CCl2CH3 | Propane, 2,2-dichloro- | 1.520 | 1 | 4 |
| 1.520 | 1 | 5 | ||
| C5H8 | Bicyclo[1.1.1]pentane | 1.553 | 1 | 2 |
| 1.553 | 1 | 3 | ||
| 1.553 | 1 | 4 | ||
| 1.553 | 2 | 5 | ||
| 1.553 | 3 | 5 | ||
| 1.553 | 4 | 5 | ||
| C4H10O | Methyl propyl ether | 1.518 | 3 | 4 |
| 1.528 | 4 | 5 | ||
| C4H9SH | 1-Butanethiol | 1.526 | 2 | 3 |
| 1.529 | 3 | 4 | ||
| 1.528 | 4 | 5 | ||
| C4F2 | difluorobutadiyne | 1.387 | 1 | 2 |
| 1.206 | 1 | 3 | ||
| 1.206 | 2 | 4 | ||
| C2ClF3 | Ethene, chlorotrifluoro- | 1.329 | 1 | 2 |
| C2Br4 | tetrabromoethene | 1.343 | 1 | 2 |
| C3H2O3 | vinylene carbonate | 1.332 | 5 | 6 |
| CH2ClCCl3 | 1,1,1,2-tetrachloroethane | 1.531 | 1 | 2 |
| C6H6 | Prismane | 1.521 | 1 | 2 |
| 1.521 | 1 | 3 | ||
| 1.521 | 2 | 3 | ||
| 1.555 | 1 | 4 | ||
| 1.555 | 3 | 5 | ||
| 1.521 | 4 | 5 | ||
| 1.521 | 4 | 6 | ||
| 1.521 | 5 | 6 | ||
| 1.555 | 2 | 6 | ||
| C6H6 | Dewar Benzene | 1.572 | 1 | 2 |
| 1.089 | 1 | 3 | ||
| 1.089 | 2 | 4 | ||
| 1.528 | 1 | 5 | ||
| 1.528 | 1 | 6 | ||
| C4H6O2 | γ–Butyrolactone | 1.523 | 1 | 2 |
| 1.527 | 2 | 3 | ||
| 1.531 | 3 | 4 | ||
| C5H10O | 3-Pentanone | 1.521 | 2 | 3 |
| 1.521 | 2 | 4 | ||
| 1.523 | 3 | 5 | ||
| 1.523 | 4 | 6 | ||
| F2CCCF2 | tetrafluoroallene | 1.302 | 1 | 2 |
| 1.302 | 1 | 3 | ||
| CH(CN)3 | tricyanomethane | 1.481 | 1 | 3 |
| 1.481 | 1 | 4 | ||
| 1.481 | 1 | 5 | ||
| HN=C=C(CN)2 | Dicyanoketenimine | 1.340 | 1 | 2 |
| 1.439 | 1 | 4 | ||
| 1.439 | 1 | 5 | ||
| C6H12O | Oxepane | 1.534 | 2 | 3 |
| 1.535 | 3 | 4 | ||
| 1.535 | 4 | 5 | ||
| 1.532 | 5 | 6 | ||
| 1.525 | 6 | 7 | ||
| C2Cl6 | hexachloroethane | 1.580 | 1 | 2 |
| C6H5CHO | benzaldehyde | 1.401 | 1 | 2 |
| 1.392 | 2 | 3 | ||
| 1.400 | 3 | 4 | ||
| 1.396 | 4 | 5 | ||
| 1.396 | 5 | 6 | ||
| 1.398 | 1 | 6 | ||
| 1.486 | 1 | 7 | ||
| C3F6 | hexafluoropropene | 1.330 | 1 | 2 |
| 1.496 | 2 | 3 |