| Species |
Name |
Bond Length (Å) |
Atom1 index |
Atom2 index |
| C2- |
carbon diatomic anion |
1.287 |
1 |
2 |
| C2 |
Carbon diatomic |
1.277 |
1 |
2 |
| C2+ |
carbon diatomic cation |
1.415 |
1 |
2 |
| C2H- |
Ethynyl anion |
1.260 |
1 |
2 |
| C2H |
Ethynyl radical |
1.183 |
1 |
2 |
| C2H+ |
Ethynyl cation |
1.223 |
1 |
2 |
| C2H2 |
Acetylene |
1.213 |
1 |
2 |
| C2H2+ |
acetylene cation |
1.256 |
1 |
2 |
| C2H3- |
vinyl anion |
1.367 |
1 |
2 |
| C2H3 |
vinyl |
1.289 |
1 |
2 |
| C2H3+ |
vinyl cation |
1.233 |
2 |
3 |
| C2H4- |
Ethylene anion |
1.454 |
1 |
2 |
| C2H4 |
Ethylene |
1.337 |
1 |
2 |
| C2H4+ |
Ethylene cation |
1.412 |
1 |
2 |
| C2H5- |
Ethyl anion |
1.545 |
1 |
2 |
| C2H5+ |
Ethyl cation |
1.386 |
2 |
3 |
| C2H6 |
Ethane |
1.529 |
1 |
2 |
| C2H6+ |
ethane cation |
1.436 |
1 |
2 |
| C3 |
carbon trimer |
1.314 |
1 |
2 |
| |
|
1.314 |
1 |
3 |
| C3+ |
carbon trimer cation |
1.341 |
1 |
2 |
| |
|
1.341 |
1 |
3 |
| CCO |
Dicarbon monoxide |
1.377 |
1 |
2 |
| HCCN |
cyanomethylene |
1.349 |
1 |
2 |
| HCCO |
ketenyl radical |
1.323 |
1 |
2 |
| HCCF |
Fluoroacetylene |
1.207 |
1 |
2 |
| HCCCl |
Chloroacetylene |
1.215 |
1 |
2 |
| HCCBr |
bromoacetylene |
1.216 |
1 |
2 |
| C2H2O |
Oxirene |
1.277 |
2 |
3 |
| CH2CO |
Ketene |
1.321 |
1 |
2 |
| CH2CS |
Thioketene |
1.320 |
1 |
2 |
| C3H3 |
cyclopropenyl radical |
1.468 |
1 |
3 |
| |
|
1.468 |
1 |
4 |
| |
|
1.322 |
3 |
4 |
| CH3CN- |
acetonitrile anion |
1.578 |
1 |
2 |
| CH3CN |
Acetonitrile |
1.465 |
1 |
2 |
| CH3CN+ |
Acetonitrile cation |
1.412 |
1 |
2 |
| CHNCH2 |
2H-Azirine |
1.447 |
2 |
3 |
| HCNCH2+ |
2H-Azirine cation |
1.719 |
2 |
3 |
| CHNHCH |
1H-Azirine |
1.285 |
2 |
3 |
| HCCNH2 |
Ethynamine |
1.215 |
1 |
2 |
| CH2CHO |
Vinyloxy radical |
1.451 |
1 |
3 |
| CH2COH+ |
ketene, protonated |
1.285 |
1 |
2 |
| CH3CCH |
propyne |
1.465 |
1 |
2 |
| |
|
1.216 |
2 |
3 |
| C3H4 |
cyclopropene |
1.515 |
1 |
2 |
| |
|
1.515 |
1 |
3 |
| |
|
1.303 |
2 |
3 |
| CH3CHN |
methylmethaniminyl radical |
1.513 |
1 |
2 |
| CH2CHNH |
vinylazine |
1.401 |
1 |
2 |
| CH3CHO |
Acetaldehyde |
1.506 |
1 |
2 |
| CH3CHO+ |
acetaldehyde cation |
1.503 |
1 |
2 |
| C2H4O |
Ethylene oxide |
1.467 |
2 |
3 |
| C2H4O+ |
ethylene oxide cation |
1.463 |
2 |
3 |
| C2H4S |
Thiirane |
1.485 |
2 |
3 |
| CH2CH2Cl |
2-chloroethyl radical |
1.472 |
1 |
2 |
| C3H5 |
Allyl radical |
1.379 |
1 |
3 |
| |
|
1.379 |
1 |
4 |
| C3H5+ |
Allyl cation |
1.385 |
1 |
3 |
| |
|
1.385 |
1 |
4 |
| CH3CHNH |
ethanimine |
1.499 |
1 |
2 |
| CH3CH2O |
Ethoxy radical |
1.522 |
1 |
2 |
| CH3CHOH |
1-hydroxy-ethyl radical |
1.487 |
1 |
2 |
| CH3CHOH+ |
acetaldehyde, protonated |
1.455 |
1 |
2 |
| CH2CH2OH |
2-hydroxy ethyl radical |
1.489 |
2 |
3 |
| C2H5Br |
Ethyl bromide |
1.517 |
1 |
2 |
| C3H6 |
Cyclopropane |
1.510 |
1 |
2 |
| |
|
1.510 |
1 |
3 |
| |
|
1.510 |
2 |
3 |
| CH2CHCH3 |
Propene |
1.501 |
1 |
2 |
| |
|
1.339 |
2 |
3 |
| CH3CH2OH |
Ethanol |
1.516 |
1 |
2 |
| CH3CH2SH |
ethanethiol |
1.525 |
1 |
2 |
| CH3CHCH3 |
Isopropyl radical |
1.493 |
1 |
2 |
| |
|
1.493 |
1 |
3 |
| C3H7 |
n-Propyl radical |
1.493 |
1 |
2 |
| |
|
1.531 |
2 |
3 |
| C3H8 |
Propane |
1.529 |
1 |
2 |
| |
|
1.529 |
1 |
3 |
| CH3CH2NH3+ |
ethylamine, protonated |
1.516 |
2 |
3 |
| C4 |
Carbon tetramer |
1.297 |
1 |
2 |
| |
|
1.314 |
1 |
3 |
| |
|
1.314 |
2 |
4 |
| C4+ |
Carbon tetramer cation |
1.278 |
1 |
2 |
| |
|
1.362 |
1 |
3 |
| |
|
1.362 |
2 |
4 |
| C2N2 |
Cyanogen |
1.386 |
1 |
2 |
| C3O |
Tricarbon monoxide |
1.293 |
1 |
2 |
| C2F2 |
difluoroacetylene |
1.197 |
1 |
2 |
| C4H2 |
Diacetylene |
1.375 |
1 |
2 |
| |
|
1.221 |
1 |
3 |
| |
|
1.221 |
2 |
4 |
| HNCCNH |
Ethenediimine |
1.319 |
1 |
2 |
| C3H2O |
Propadienal |
1.340 |
1 |
2 |
| |
|
1.321 |
2 |
3 |
| CHFCHClz |
(Z)-1-Chloro-2-fluoroethene |
1.333 |
1 |
2 |
| CHFCHCl |
(E)-1-chloro-2-fluoroethene |
1.333 |
1 |
2 |
| C2H2ClF |
1-chloro-1-fluoroethylene |
1.330 |
1 |
2 |
| HOCH2CN |
cyanomethanol |
1.480 |
1 |
2 |
| C4H4 |
cyclobutadiene |
1.576 |
1 |
2 |
| |
|
1.347 |
1 |
3 |
| |
|
1.576 |
3 |
4 |
| |
|
1.347 |
2 |
4 |
| NH2CH2CN |
Aminoacetonitrile |
1.482 |
2 |
3 |
| NH2CCNH2 |
Diaminoacetylene |
1.216 |
1 |
2 |
| C2H4F2 |
1,2-difluoroethane |
1.504 |
1 |
2 |
| CH2ClCH2Cl |
Ethane, 1,2-dichloro- |
1.513 |
1 |
2 |
| CH2FCH2Cl |
Ethane, 1-chloro-2-fluoro- |
1.515 |
1 |
2 |
| CH3CHNOH |
Acetaldoxime |
1.498 |
1 |
2 |
| CH3C(OH)=NH |
Ethaninidic acid |
1.501 |
1 |
2 |
| CH2FCH2OH |
2-fluoroethanol |
1.510 |
1 |
2 |
| CH2CHCH2F |
Allyl Fluoride |
1.497 |
1 |
2 |
| |
|
1.337 |
2 |
3 |
| CH2ClCH2OH |
2-Chloroethanol |
1.516 |
1 |
2 |
| CHCCH2CH3 |
1-Butyne |
1.217 |
1 |
2 |
| |
|
1.468 |
2 |
3 |
| |
|
1.534 |
3 |
4 |
| C4H6 |
Bicyclo[1.1.0]butane |
1.505 |
1 |
2 |
| |
|
1.501 |
1 |
3 |
| |
|
1.501 |
2 |
3 |
| |
|
1.501 |
2 |
4 |
| |
|
1.501 |
1 |
4 |
| H2NCHCHNH2 |
diaminoethylene |
1.342 |
1 |
2 |
| CH3COCH3- |
acetone anion |
1.525 |
1 |
3 |
| |
|
1.525 |
1 |
4 |
| C3H6O |
2-Propen-1-ol |
1.501 |
1 |
2 |
| |
|
1.339 |
2 |
3 |
| CH3CH2CHO |
Propanal |
1.523 |
1 |
2 |
| |
|
1.510 |
2 |
3 |
| C3H5OH |
Cyclopropanol |
1.494 |
1 |
2 |
| |
|
1.506 |
1 |
3 |
| |
|
1.522 |
2 |
3 |
| C3H6O |
Acetone enol |
1.496 |
1 |
2 |
| |
|
1.341 |
2 |
3 |
| CH3CSCH3 |
Thioacetone |
1.507 |
1 |
3 |
| |
|
1.507 |
1 |
4 |
| CH2ClCH2OH2+ |
2-chloroethanol, protonated |
1.510 |
1 |
2 |
| CH3CHCHCH2 |
methylallyl radical |
1.381 |
1 |
2 |
| |
|
1.378 |
2 |
3 |
| |
|
1.496 |
3 |
4 |
| CH3CHFCH3 |
2-Fluoropropane |
1.515 |
1 |
4 |
| |
|
1.515 |
1 |
5 |
| CH2FCH2CH3 |
1-Fluoropropane |
1.513 |
1 |
2 |
| |
|
1.529 |
2 |
3 |
| CH3CHClCH3 |
Propane, 2-chloro- |
1.519 |
2 |
3 |
| |
|
1.519 |
2 |
4 |
| CH2CHCH2CH3 |
1-Butene |
1.533 |
1 |
2 |
| |
|
1.502 |
2 |
3 |
| |
|
1.339 |
3 |
4 |
| C4H8 |
methylcyclopropane |
1.510 |
1 |
2 |
| |
|
1.084 |
1 |
3 |
| |
|
1.509 |
1 |
4 |
| C4H8 |
cyclobutane |
1.552 |
1 |
3 |
| |
|
1.552 |
2 |
3 |
| |
|
1.552 |
2 |
4 |
| |
|
1.552 |
1 |
4 |
| CH3OC2H5 |
Ethane, methoxy- |
1.515 |
3 |
4 |
| NH2CH2CH2CH3 |
1-Propanamine |
1.529 |
1 |
2 |
| |
|
1.530 |
2 |
3 |
| CH3CH2CH2CH3 |
Butane |
1.528 |
1 |
2 |
| |
|
1.528 |
1 |
3 |
| |
|
1.528 |
2 |
4 |
| C3H7NH3+ |
n-propylamine, protonated |
1.530 |
1 |
2 |
| |
|
1.519 |
2 |
3 |
| C3O2 |
Carbon suboxide |
1.281 |
1 |
2 |
| |
|
1.281 |
1 |
3 |
| CHOCOOH |
oxo acetic acid |
1.532 |
1 |
2 |
| C3H2O2 |
Propiolic acid |
1.453 |
1 |
2 |
| |
|
1.216 |
2 |
3 |
| CH2ClCCCl |
1,3-dichloropropyne |
1.217 |
1 |
2 |
| |
|
1.455 |
2 |
3 |
| CHCl2CCH |
3,3-dichloropropyne |
1.216 |
1 |
2 |
| |
|
1.452 |
2 |
3 |
| C2H2N2O |
Furazan |
1.416 |
4 |
5 |
| C3H3N2- |
imidizolyl anion |
1.394 |
4 |
5 |
| C3H3N2 |
imidazolyl radical |
1.451 |
4 |
5 |
| C3H3NO |
Oxazole |
1.359 |
4 |
5 |
| CHF2CH2F |
Ethane, 1,1,2-trifluoro |
1.512 |
1 |
2 |
| C5H4 |
pentatetraene |
1.283 |
1 |
2 |
| |
|
1.283 |
1 |
3 |
| |
|
1.323 |
2 |
4 |
| |
|
1.323 |
3 |
5 |
| C3H4N2 |
1H-Imidazole |
1.376 |
3 |
5 |
| C3H4N2 |
4H-Imidazole |
1.500 |
4 |
5 |
| C3H4N2 |
2H-Imidazole |
1.458 |
4 |
5 |
| C4H4N- |
pyrrolide anion |
1.405 |
2 |
4 |
| |
|
1.405 |
3 |
5 |
| |
|
1.423 |
4 |
5 |
| C4H4N |
pyrrolide radical |
1.454 |
2 |
4 |
| |
|
1.454 |
3 |
5 |
| |
|
1.373 |
4 |
5 |
| C3H4O2 |
Methyl glyoxal |
1.533 |
1 |
2 |
| |
|
1.504 |
2 |
3 |
| HOCH2COOH |
Hydroxyacetic acid |
1.512 |
1 |
2 |
| CH3COCCH |
3-butyn-2-one |
1.510 |
1 |
2 |
| |
|
1.467 |
2 |
4 |
| |
|
1.219 |
4 |
5 |
| C2H4O3 |
1,2,3-trioxolane |
1.551 |
4 |
5 |
| HOCHCCHOH |
allenediol |
1.318 |
1 |
2 |
| |
|
1.318 |
1 |
3 |
| C4H4Se |
selenophene |
1.372 |
2 |
4 |
| |
|
1.429 |
4 |
5 |
| |
|
1.372 |
3 |
5 |
| C4H5N |
Pyrrole |
1.382 |
3 |
5 |
| |
|
1.382 |
4 |
6 |
| |
|
1.426 |
5 |
6 |
| CH3OCH2CN |
Methoxyacetonitrile |
1.484 |
3 |
4 |
| C5H6 |
Propellane |
1.524 |
1 |
2 |
| |
|
1.524 |
2 |
3 |
| |
|
2.243 |
3 |
4 |
| |
|
1.524 |
3 |
5 |
| |
|
1.524 |
1 |
5 |
| |
|
1.524 |
4 |
5 |
| |
|
1.604 |
2 |
5 |
| C4H6N+ |
pyrrole, protonated |
1.342 |
2 |
4 |
| |
|
1.342 |
3 |
5 |
| |
|
1.470 |
4 |
5 |
| C5H7 |
cyclopentenyl radical |
1.372 |
1 |
2 |
| |
|
1.372 |
1 |
3 |
| |
|
1.516 |
2 |
4 |
| |
|
1.516 |
3 |
5 |
| |
|
1.546 |
4 |
5 |
| CH3CH(CH3)CN |
Propanenitrile, 2-methyl- |
1.473 |
2 |
3 |
| |
|
1.535 |
3 |
4 |
| |
|
1.535 |
3 |
5 |
| CH3CH2CH2CN |
Butanenitrile |
1.468 |
2 |
3 |
| |
|
1.536 |
3 |
4 |
| |
|
1.527 |
4 |
5 |
| C5H8 |
Bicyclo[1.1.1]pentane |
1.557 |
1 |
2 |
| |
|
1.557 |
1 |
3 |
| |
|
1.557 |
1 |
4 |
| |
|
1.557 |
2 |
5 |
| |
|
1.557 |
3 |
5 |
| |
|
1.557 |
4 |
5 |
| C5H8 |
1-pentyne |
1.217 |
1 |
2 |
| |
|
1.466 |
2 |
3 |
| |
|
1.536 |
3 |
4 |
| |
|
1.527 |
4 |
5 |
| C5H8 |
Ethenylcyclopropane |
1.476 |
1 |
2 |
| |
|
1.341 |
2 |
3 |
| |
|
1.517 |
1 |
4 |
| |
|
1.517 |
1 |
5 |
| |
|
1.506 |
4 |
5 |
| C4H10O |
Methyl propyl ether |
1.517 |
3 |
4 |
| |
|
1.528 |
4 |
5 |
| C4N2 |
2-Butynedinitrile |
1.226 |
1 |
2 |
| |
|
1.373 |
1 |
3 |
| |
|
1.373 |
2 |
4 |
| C4F2 |
difluorobutadiyne |
1.376 |
1 |
2 |
| |
|
1.213 |
1 |
3 |
| |
|
1.213 |
2 |
4 |
| CF2CCl2 |
difluorodichloroethylene |
1.338 |
1 |
2 |
| ClCOClCO |
Oxalyl chloride |
1.556 |
1 |
2 |
| C2ClF3 |
Ethene, chlorotrifluoro- |
1.334 |
1 |
2 |
| CFClCFCl |
cis-1,2-dichloro-1,2-difluoroethylene |
1.341 |
1 |
2 |
| CFClCClF |
trans-1,2-dichloro-1,2-difluoroethylene |
1.339 |
1 |
2 |
| C2Br4 |
tetrabromoethene |
1.354 |
1 |
2 |
| CF3CHO |
trifluoroacetaldehyde |
1.538 |
1 |
2 |
| C6H2 |
hexatriyne |
1.232 |
1 |
2 |
| |
|
1.366 |
1 |
3 |
| |
|
1.366 |
2 |
4 |
| |
|
1.224 |
3 |
5 |
| |
|
1.224 |
4 |
6 |
| C4H2N2 |
Fumaronitrile |
1.350 |
1 |
2 |
| |
|
1.431 |
1 |
3 |
| |
|
1.431 |
2 |
4 |
| C2H2O4 |
Oxalic Acid |
1.540 |
1 |
2 |
| C3H2O3 |
vinylene carbonate |
1.336 |
5 |
6 |
| CF3COOH |
trifluoroacetic acid |
1.543 |
1 |
2 |
| CHF2CHF2 |
1,1,2,2-tetrafluoroethane |
1.522 |
1 |
2 |
| CHCl2CHF2 |
1,1-dichloro-2,2-difluoroethane |
1.527 |
1 |
2 |
| CHFClCHFCl |
1,2-dichloro-1,2-difluoroethane RR |
1.526 |
1 |
2 |
| CHFClCHClF |
ethane, 1,2-dichloro-1,2-difluoro- |
1.524 |
1 |
2 |
| C4H3ClO |
Furan, 2-chloro |
1.364 |
1 |
2 |
| |
|
1.437 |
2 |
3 |
| |
|
1.363 |
3 |
4 |
| C2H4N2S2 |
Ethanedithioamide |
1.533 |
1 |
2 |
| C6H5- |
phenyl anion |
1.428 |
1 |
2 |
| |
|
1.428 |
1 |
3 |
| |
|
1.408 |
2 |
4 |
| |
|
1.408 |
3 |
5 |
| |
|
1.401 |
4 |
6 |
| |
|
1.401 |
5 |
6 |
| C6H6 |
Prismane |
1.528 |
1 |
2 |
| |
|
1.528 |
1 |
3 |
| |
|
1.528 |
2 |
3 |
| |
|
1.559 |
1 |
4 |
| |
|
1.559 |
3 |
5 |
| |
|
1.528 |
4 |
5 |
| |
|
1.528 |
4 |
6 |
| |
|
1.559 |
2 |
6 |
| |
|
1.528 |
5 |
6 |
| C6H6 |
Hexa-1,5-diene-3-yne |
1.225 |
1 |
2 |
| |
|
1.427 |
1 |
3 |
| |
|
1.427 |
2 |
4 |
| |
|
1.347 |
3 |
5 |
| |
|
1.347 |
4 |
6 |
| C6H6 |
1,2,4,5-Hexatetraene |
1.468 |
1 |
2 |
| |
|
1.321 |
1 |
3 |
| |
|
1.321 |
2 |
4 |
| |
|
1.314 |
3 |
5 |
| |
|
1.314 |
4 |
6 |
| C4H6O2 |
Crotonic Acid |
1.477 |
1 |
2 |
| |
|
1.342 |
2 |
3 |
| |
|
1.497 |
3 |
4 |
| C5H6O |
Pentadienal |
1.470 |
1 |
3 |
| |
|
1.351 |
3 |
4 |
| |
|
1.454 |
4 |
5 |
| |
|
1.346 |
5 |
6 |
| C6H7+ |
benzene, protonated |
1.469 |
1 |
2 |
| |
|
1.469 |
1 |
3 |
| |
|
1.375 |
2 |
4 |
| |
|
1.375 |
3 |
5 |
| |
|
1.412 |
4 |
6 |
| |
|
1.412 |
5 |
6 |
| C4H7NO |
Ethoxyacetonitrile |
1.514 |
1 |
2 |
| |
|
1.471 |
4 |
5 |
| C4H8O2 |
Ethyl acetate |
1.507 |
1 |
2 |
| |
|
1.513 |
5 |
6 |
| C6H10 |
3-Hexyne |
1.219 |
1 |
2 |
| |
|
1.468 |
1 |
3 |
| |
|
1.468 |
2 |
4 |
| |
|
1.535 |
3 |
5 |
| |
|
1.535 |
4 |
6 |
| C5H10O |
3-Pentanone |
1.521 |
2 |
3 |
| |
|
1.521 |
2 |
4 |
| |
|
1.524 |
3 |
5 |
| |
|
1.524 |
4 |
6 |
| CF3COF |
trifluoroacetyl fluoride |
1.541 |
1 |
2 |
| CF3COO- |
trifluoro acetate anion |
1.572 |
1 |
2 |
| CF3CHF2 |
pentafluoroethane |
1.532 |
1 |
2 |
| C4F4 |
tetrafluorcyclobutadiene |
1.544 |
1 |
2 |
| |
|
1.348 |
2 |
3 |
| |
|
1.348 |
1 |
4 |
| |
|
1.544 |
3 |
4 |
| C6H4Cl2 |
1,4-dichlorobenzene |
1.396 |
1 |
3 |
| |
|
1.396 |
1 |
4 |
| |
|
1.396 |
2 |
5 |
| |
|
1.397 |
4 |
5 |
| |
|
1.397 |
3 |
6 |
| |
|
1.396 |
2 |
6 |
| C(CN)4 |
tetracyanomethane |
1.483 |
1 |
2 |
| |
|
1.483 |
1 |
3 |
| |
|
1.483 |
1 |
4 |
| |
|
1.483 |
1 |
5 |
| C6N4 |
Tetracyanoethylene |
1.371 |
1 |
2 |
| |
|
1.431 |
1 |
3 |
| |
|
1.431 |
1 |
4 |
| |
|
1.431 |
2 |
5 |
| |
|
1.431 |
2 |
6 |
| C4F6 |
perfluorobutadiene |
1.342 |
1 |
2 |
| |
|
1.454 |
2 |
3 |
| |
|
1.342 |
3 |
4 |