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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=FULL/cc-pVQZ
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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 |
|---|---|
| 1.427 | 0.209 |
| Species | Name | Bond Length (Å) | |
|---|---|---|---|
| Lowest value | C4H6 | 1-Methylcyclopropene | 1.083 |
| Highest value | C4H6 | 1-Methylcyclopropene | 3.308 |
| Species | Name | Bond Length (Å) | Atom1 index | Atom2 index |
|---|---|---|---|---|
| C2 | Carbon diatomic | 1.252 | 1 | 2 |
| C2+ | carbon diatomic cation | 1.393 | 1 | 2 |
| C2H- | Ethynyl anion | 1.247 | 1 | 2 |
| C2H | Ethynyl radical | 1.168 | 1 | 2 |
| C2H+ | Ethynyl cation | 1.222 | 1 | 2 |
| HCCH- | acetylene anion | 1.308 | 1 | 2 |
| C2H2 | Acetylene | 1.206 | 1 | 2 |
| C2H2+ | acetylene cation | 1.247 | 1 | 2 |
| H2CC- | vinylidene anion | 1.324 | 1 | 2 |
| C2H3- | vinyl anion | 1.352 | 1 | 2 |
| C2H3 | vinyl | 1.275 | 1 | 2 |
| C2H3+ | vinyl cation | 1.223 | 2 | 3 |
| C2H4- | Ethylene anion | 1.433 | 1 | 2 |
| C2H4 | Ethylene | 1.326 | 1 | 2 |
| C2H4+ | Ethylene cation | 1.401 | 1 | 2 |
| C2H5- | Ethyl anion | 1.528 | 1 | 2 |
| C2H5 | Ethyl radical | 1.479 | 1 | 2 |
| C2H6 | Ethane | 1.517 | 1 | 2 |
| C2H6+ | ethane cation | 1.424 | 1 | 2 |
| C3 | carbon trimer | 1.292 | 1 | 2 |
| 1.292 | 1 | 3 | ||
| SiC2 | Silicon dicarbide | 1.272 | 2 | 3 |
| CCO | Dicarbon monoxide | 1.364 | 1 | 2 |
| HCCN | cyanomethylene | 1.302 | 1 | 2 |
| HCCO | ketenyl radical | 1.308 | 1 | 2 |
| HCCF | Fluoroacetylene | 1.199 | 1 | 2 |
| C2H2O | Oxirene | 1.266 | 2 | 3 |
| CH2CO | Ketene | 1.310 | 1 | 2 |
| CH2CS | Thioketene | 1.309 | 1 | 2 |
| C3H3- | Propargyl anion | 1.355 | 1 | 2 |
| 1.265 | 2 | 3 | ||
| C3H3+ | cyclopropenyl cation | 1.357 | 1 | 2 |
| 1.357 | 1 | 3 | ||
| 1.357 | 2 | 3 | ||
| CH3CN- | acetonitrile anion | 1.459 | 1 | 2 |
| CH3CN | Acetonitrile | 1.450 | 1 | 2 |
| HCNCH2+ | 2H-Azirine cation | 1.703 | 2 | 3 |
| CH3CO+ | acetyl cation | 1.426 | 1 | 2 |
| CH2COH+ | ketene, protonated | 1.271 | 1 | 2 |
| CH2CHF | Ethene, fluoro- | 1.318 | 1 | 2 |
| CH3CCH | propyne | 1.451 | 1 | 2 |
| 1.208 | 2 | 3 | ||
| CH2CCH2 | allene | 1.302 | 1 | 2 |
| 1.302 | 1 | 3 | ||
| C3H4 | cyclopropene | 1.500 | 1 | 2 |
| 1.500 | 1 | 3 | ||
| 1.292 | 2 | 3 | ||
| CH3CHN | methylmethaniminyl radical | 1.498 | 1 | 2 |
| CH3CHO | Acetaldehyde | 1.491 | 1 | 2 |
| CH3CHO+ | acetaldehyde cation | 1.485 | 1 | 2 |
| C2H4O | Ethylene oxide | 1.455 | 2 | 3 |
| C2H4O+ | ethylene oxide cation | 1.450 | 2 | 3 |
| C2H4S | Thiirane | 1.473 | 2 | 3 |
| CH2CHSH | Ethenethiol | 1.330 | 1 | 2 |
| C3H5 | Allyl radical | 1.366 | 1 | 3 |
| 1.366 | 1 | 4 | ||
| CH3CHCH | 1-propenyl radical | 1.278 | 1 | 2 |
| 1.493 | 1 | 3 | ||
| CH3CH2O | Ethoxy radical | 1.510 | 1 | 2 |
| CH3CHOH | 1-hydroxy-ethyl radical | 1.474 | 1 | 2 |
| C2H5Br | Ethyl bromide | 1.504 | 1 | 2 |
| C3H6 | Cyclopropane | 1.496 | 1 | 2 |
| 1.496 | 1 | 3 | ||
| 1.496 | 2 | 3 | ||
| CH2CHCH3 | Propene | 1.488 | 1 | 2 |
| 1.328 | 2 | 3 | ||
| C2H6N+ | aziridine, protonated | 1.466 | 2 | 3 |
| CH3CH2OH | Ethanol | 1.503 | 1 | 2 |
| CH3CH2SH | ethanethiol | 1.511 | 1 | 2 |
| CH3CHCH3 | Isopropyl radical | 1.480 | 1 | 2 |
| 1.480 | 1 | 3 | ||
| CH3CHCH3+ | Isopropyl cation | 1.424 | 1 | 3 |
| 1.424 | 1 | 4 | ||
| C3H7 | n-Propyl radical | 1.480 | 1 | 2 |
| 1.518 | 2 | 3 | ||
| C3H7+ | cyclopropane, protonated | 1.385 | 1 | 2 |
| 1.698 | 1 | 3 | ||
| 1.772 | 2 | 3 | ||
| C3H8 | Propane | 1.516 | 1 | 2 |
| 1.516 | 1 | 3 | ||
| C4 | Carbon tetramer | 1.286 | 1 | 2 |
| 1.301 | 1 | 3 | ||
| 1.301 | 2 | 4 | ||
| C2N2 | Cyanogen | 1.372 | 1 | 2 |
| C3O | Tricarbon monoxide | 1.270 | 1 | 2 |
| C4H2+ | diacetlyene cation | 1.319 | 1 | 2 |
| 1.227 | 1 | 3 | ||
| 1.227 | 2 | 4 | ||
| HNCCNH | Ethenediimine | 1.294 | 1 | 2 |
| C2H2O2 | Ethanedial | 1.508 | 1 | 2 |
| C3H2O | Propadienal | 1.326 | 1 | 2 |
| 1.302 | 2 | 3 | ||
| CHBrCHBr | Ethene, 1,2-dibromo-, (Z)- | 1.327 | 1 | 2 |
| C3H3N+ | acrylonitrile cation | 1.388 | 1 | 3 |
| 1.398 | 3 | 5 | ||
| C4H4 | cyclobutadiene | 1.560 | 1 | 2 |
| 1.336 | 1 | 3 | ||
| 1.560 | 3 | 4 | ||
| 1.336 | 2 | 4 | ||
| CH2CHCHO | Acrolein | 1.463 | 1 | 2 |
| 1.332 | 2 | 3 | ||
| CH3CHF2 | Ethane, 1,1-difluoro- | 1.491 | 1 | 2 |
| C2H4F2 | 1,2-difluoroethane | 1.493 | 1 | 2 |
| C2H5CN | ethyl cyanide | 1.522 | 1 | 2 |
| 1.454 | 2 | 3 | ||
| CH3COCH2 | Acetonyl radical | 1.468 | 1 | 3 |
| 1.503 | 1 | 4 | ||
| CH2CHCH2F | Allyl Fluoride | 1.485 | 1 | 2 |
| 1.326 | 2 | 3 | ||
| C4H6 | 1-Methylcyclopropene | 1.502 | 2 | 3 |
| 1.083 | 2 | 6 | ||
| 2.241 | 3 | 6 | ||
| 3.308 | 3 | 10 | ||
| C4H6 | Bicyclo[1.1.0]butane | 1.489 | 1 | 2 |
| 1.487 | 1 | 3 | ||
| 1.487 | 2 | 3 | ||
| 1.487 | 2 | 4 | ||
| 1.487 | 1 | 4 | ||
| CH3COCH3 | Acetone | 1.502 | 1 | 3 |
| 1.502 | 1 | 4 | ||
| CH3CH2CHO | Propanal | 1.511 | 1 | 2 |
| 1.495 | 2 | 3 | ||
| CH3CHFCH3 | 2-Fluoropropane | 1.503 | 1 | 4 |
| 1.503 | 1 | 5 | ||
| CH3CHClCH3 | Propane, 2-chloro- | 1.507 | 2 | 3 |
| 1.507 | 2 | 4 | ||
| C3H7OH | 1-Propanol | 1.516 | 1 | 2 |
| 1.506 | 2 | 3 | ||
| CH3CH2CH2CH3 | Butane | 1.516 | 1 | 2 |
| 1.516 | 1 | 3 | ||
| 1.516 | 2 | 4 | ||
| C3O2 | Carbon suboxide | 1.271 | 1 | 2 |
| 1.271 | 1 | 3 | ||
| C3H2O2 | Propiolic acid | 1.441 | 1 | 2 |
| 1.208 | 2 | 3 | ||
| CH2ClCCCl | 1,3-dichloropropyne | 1.209 | 1 | 2 |
| 1.441 | 2 | 3 | ||
| CHCl2CCH | 3,3-dichloropropyne | 1.208 | 1 | 2 |
| 1.438 | 2 | 3 | ||
| C2H2N2O | Furazan | 1.395 | 4 | 5 |
| C3H3NO | Isoxazole | 1.405 | 1 | 2 |
| 1.356 | 1 | 3 | ||
| C5H4 | pentatetraene | 1.273 | 1 | 2 |
| 1.273 | 1 | 3 | ||
| 1.311 | 2 | 4 | ||
| 1.311 | 3 | 5 | ||
| C3H4N2 | 4H-Imidazole | 1.484 | 4 | 5 |
| C2H4O3 | 1,2,3-trioxolane | 1.541 | 4 | 5 |
| CH2CHSCHCH2 | Divinyl sulfide | 1.330 | 2 | 4 |
| 1.332 | 3 | 5 | ||
| C5H8 | Bicyclo[1.1.1]pentane | 1.542 | 1 | 2 |
| 1.542 | 1 | 3 | ||
| 1.542 | 1 | 4 | ||
| 1.542 | 2 | 5 | ||
| 1.542 | 3 | 5 | ||
| 1.542 | 4 | 5 | ||
| C3H2O3 | vinylene carbonate | 1.327 | 5 | 6 |
| C6H6 | Benzene | 1.387 | 1 | 2 |
| 1.387 | 2 | 3 | ||
| 1.387 | 3 | 4 | ||
| 1.387 | 4 | 5 | ||
| 1.387 | 1 | 6 | ||
| 1.387 | 5 | 6 | ||
| C4H6O2 | γ–Butyrolactone | 1.510 | 1 | 2 |
| 1.515 | 2 | 3 | ||
| 1.518 | 3 | 4 | ||
| C4H8O2 | Ethyl acetate | 1.494 | 1 | 2 |
| 1.501 | 5 | 6 | ||
| C5H4O2 | furfural | 1.365 | 2 | 3 |
| 1.408 | 3 | 5 | ||
| 1.370 | 4 | 5 | ||
| 1.448 | 4 | 6 | ||
| C6H12O | Oxepane | 1.521 | 2 | 3 |
| 1.522 | 3 | 4 | ||
| 1.523 | 4 | 5 | ||
| 1.518 | 5 | 6 | ||
| 1.513 | 6 | 7 | ||
| C6H5CHO | benzaldehyde | 1.391 | 1 | 2 |
| 1.383 | 2 | 3 | ||
| 1.391 | 3 | 4 | ||
| 1.387 | 4 | 5 | ||
| 1.386 | 5 | 6 | ||
| 1.390 | 1 | 6 | ||
| 1.471 | 1 | 7 | ||
| C8H8 | cubane | 1.558 | 1 | 2 |
| 1.558 | 1 | 3 | ||
| 1.558 | 2 | 4 | ||
| 1.558 | 3 | 4 | ||
| 1.558 | 1 | 5 | ||
| 1.558 | 2 | 6 | ||
| 1.558 | 5 | 6 | ||
| 1.558 | 5 | 7 | ||
| 1.558 | 3 | 7 | ||
| 1.558 | 4 | 8 | ||
| 1.558 | 6 | 8 | ||
| 1.558 | 7 | 8 | ||
| C6H12N2 | Triethylenediamine | 1.546 | 3 | 6 |
| 1.546 | 5 | 7 | ||
| 1.546 | 4 | 8 |