| Species |
Name |
Bond Length (Å) |
Atom1 index |
Atom2 index |
| C2H- |
Ethynyl anion |
1.251 |
1 |
2 |
| C2H |
Ethynyl radical |
1.220 |
1 |
2 |
| HCCH- |
acetylene anion |
1.304 |
1 |
2 |
| C2H2 |
Acetylene |
1.207 |
1 |
2 |
| C2H2+ |
acetylene cation |
1.254 |
1 |
2 |
| H2CC- |
vinylidene anion |
1.341 |
1 |
2 |
| C2H3 |
vinyl |
1.308 |
1 |
2 |
| C2H3+ |
vinyl cation |
1.228 |
2 |
3 |
| C2H4 |
Ethylene |
1.333 |
1 |
2 |
| C2H4+ |
Ethylene cation |
1.382 |
1 |
2 |
| C2H5 |
Ethyl radical |
1.484 |
1 |
2 |
| C2H6 |
Ethane |
1.529 |
1 |
2 |
| C3 |
carbon trimer |
1.301 |
1 |
2 |
| |
|
1.301 |
1 |
3 |
| SiC2 |
Silicon dicarbide |
1.273 |
2 |
3 |
| HCCO |
ketenyl radical |
1.301 |
1 |
2 |
| HCCF |
Fluoroacetylene |
1.204 |
1 |
2 |
| HCCBr |
bromoacetylene |
1.211 |
1 |
2 |
| C2H2O |
Oxirene |
1.271 |
2 |
3 |
| CH2CO |
Ketene |
1.315 |
1 |
2 |
| CH2CS |
Thioketene |
1.312 |
1 |
2 |
| C3H3 |
Propargyl radical |
1.366 |
1 |
2 |
| |
|
1.232 |
2 |
3 |
| CH3CN- |
acetonitrile anion |
1.458 |
1 |
2 |
| CH3CN |
Acetonitrile |
1.454 |
1 |
2 |
| CHNCH2 |
2H-Azirine |
1.442 |
2 |
3 |
| HCNCH2+ |
2H-Azirine cation |
1.711 |
2 |
3 |
| CHNHCH |
1H-Azirine |
1.280 |
2 |
3 |
| H2CCNH |
Ethenimine |
1.314 |
1 |
2 |
| HCCNH2 |
Ethynamine |
1.213 |
1 |
2 |
| CH3CO |
Acetyl radical |
1.503 |
1 |
2 |
| CH2COH+ |
ketene, protonated |
1.277 |
1 |
2 |
| CH2CHF |
Ethene, fluoro- |
1.326 |
1 |
2 |
| C2H3Cl |
Ethene, chloro- |
1.330 |
1 |
2 |
| CH3CCH |
propyne |
1.454 |
1 |
2 |
| |
|
1.211 |
2 |
3 |
| CH2CCH2 |
allene |
1.308 |
1 |
2 |
| |
|
1.308 |
1 |
3 |
| C3H4 |
cyclopropene |
1.511 |
1 |
2 |
| |
|
1.511 |
1 |
3 |
| |
|
1.298 |
2 |
3 |
| CH3CHO |
Acetaldehyde |
1.502 |
1 |
2 |
| CH3CHO+ |
acetaldehyde cation |
1.512 |
1 |
2 |
| C2H4O |
Ethylene oxide |
1.469 |
2 |
3 |
| C2H4O+ |
ethylene oxide cation |
1.472 |
2 |
3 |
| C2H4S |
Thiirane |
1.485 |
2 |
3 |
| CH2CHSH |
Ethenethiol |
1.338 |
1 |
2 |
| CH3CHS |
Thioacetaldehyde |
1.489 |
1 |
2 |
| CH2CH2Cl |
2-chloroethyl radical |
1.456 |
1 |
2 |
| CHClCH3 |
1-chloroethyl radical |
1.478 |
1 |
2 |
| C3H5 |
Allyl radical |
1.386 |
1 |
3 |
| |
|
1.386 |
1 |
4 |
| C2H4OH+ |
ethylene oxide, protonated |
1.464 |
3 |
4 |
| CH3CH2Cl |
Ethyl chloride |
1.515 |
1 |
2 |
| C2H5Br |
Ethyl bromide |
1.513 |
1 |
2 |
| C3H6 |
Cyclopropane |
1.509 |
1 |
2 |
| |
|
1.509 |
1 |
3 |
| |
|
1.509 |
2 |
3 |
| CH2CHCH3 |
Propene |
1.497 |
1 |
2 |
| |
|
1.336 |
2 |
3 |
| C2H6N+ |
aziridine, protonated |
1.480 |
2 |
3 |
| CH3CH2OH |
Ethanol |
1.517 |
1 |
2 |
| CH3CH2SH |
ethanethiol |
1.523 |
1 |
2 |
| CH3CHCH3 |
Isopropyl radical |
1.487 |
1 |
2 |
| |
|
1.487 |
1 |
3 |
| CH3CHCH3+ |
Isopropyl cation |
1.433 |
1 |
3 |
| |
|
1.433 |
1 |
4 |
| C3H7 |
n-Propyl radical |
1.485 |
1 |
2 |
| |
|
1.532 |
2 |
3 |
| C3H8 |
Propane |
1.530 |
1 |
2 |
| |
|
1.530 |
1 |
3 |
| C4 |
Carbon tetramer |
1.296 |
1 |
2 |
| |
|
1.319 |
1 |
3 |
| |
|
1.319 |
2 |
4 |
| C2N2 |
Cyanogen |
1.374 |
1 |
2 |
| C4H2 |
Diacetylene |
1.360 |
1 |
2 |
| |
|
1.217 |
1 |
3 |
| |
|
1.217 |
2 |
4 |
| C4H2+ |
diacetlyene cation |
1.327 |
1 |
2 |
| |
|
1.241 |
1 |
3 |
| |
|
1.241 |
2 |
4 |
| HNCCNH |
Ethenediimine |
1.308 |
1 |
2 |
| C2H2O2 |
Ethanedial |
1.529 |
1 |
2 |
| C3H2O |
Propadienal |
1.330 |
1 |
2 |
| |
|
1.302 |
2 |
3 |
| CHFCHClz |
(Z)-1-Chloro-2-fluoroethene |
1.333 |
1 |
2 |
| CHFCHCl |
(E)-1-chloro-2-fluoroethene |
1.332 |
1 |
2 |
| C2H2ClF |
1-chloro-1-fluoroethylene |
1.329 |
1 |
2 |
| CHBrCHBr |
Ethene, 1,2-dibromo-, (Z)- |
1.333 |
1 |
2 |
| CHBrCHBr |
Ethene, 1,2-dibromo-, (E)- |
1.330 |
1 |
2 |
| HOCH2CN |
cyanomethanol |
1.470 |
1 |
2 |
| C2H3NO |
Nitrosoethylene |
1.341 |
1 |
2 |
| C4H4 |
Tetrahedrane |
1.482 |
1 |
2 |
| |
|
1.482 |
1 |
3 |
| |
|
1.482 |
1 |
4 |
| |
|
1.482 |
2 |
3 |
| |
|
1.482 |
2 |
4 |
| |
|
1.482 |
3 |
4 |
| CH3COOH |
Acetic acid |
1.505 |
1 |
2 |
| CH2CHCHO |
Acrolein |
1.472 |
1 |
2 |
| |
|
1.341 |
2 |
3 |
| C3H4O |
Cyclopropanone |
1.472 |
1 |
3 |
| |
|
1.472 |
1 |
4 |
| |
|
1.574 |
3 |
4 |
| CH3CHF2 |
Ethane, 1,1-difluoro- |
1.505 |
1 |
2 |
| C2H4F2 |
1,2-difluoroethane |
1.505 |
1 |
2 |
| CH2ClCH2Cl |
Ethane, 1,2-dichloro- |
1.514 |
1 |
2 |
| CH2BrCH2Br |
Ethane, 1,2-dibromo- |
1.506 |
1 |
2 |
| CH2BrCH2Cl |
1-bromo-2-chloroethane |
1.510 |
1 |
2 |
| C2H5CN |
ethyl cyanide |
1.538 |
1 |
2 |
| |
|
1.459 |
2 |
3 |
| CH3C(OH)=NH |
Ethaninidic acid |
1.502 |
1 |
2 |
| CH2C(OH)NH2 |
1-amino vinyl alchohol |
1.349 |
1 |
2 |
| CH3CSNH2 |
Ethanethioamide |
1.509 |
1 |
3 |
| CH2FCH2OH |
2-fluoroethanol |
1.512 |
1 |
2 |
| CH2CHCH2F |
Allyl Fluoride |
1.493 |
1 |
2 |
| |
|
1.333 |
2 |
3 |
| C4H6 |
1-Methylcyclopropene |
1.512 |
2 |
3 |
| |
|
1.099 |
2 |
6 |
| |
|
2.267 |
3 |
6 |
| |
|
3.336 |
3 |
10 |
| H2NCHCHNH2 |
diaminoethylene |
1.345 |
1 |
2 |
| CH3COCH3 |
Acetone |
1.517 |
1 |
3 |
| |
|
1.517 |
1 |
4 |
| CH3CH2CHO |
Propanal |
1.523 |
1 |
2 |
| |
|
1.507 |
2 |
3 |
| C3H6O |
Acetone enol |
1.495 |
1 |
2 |
| |
|
1.342 |
2 |
3 |
| C3H6S |
Thietane |
1.542 |
2 |
4 |
| |
|
1.542 |
3 |
4 |
| CH3CHFCH3 |
2-Fluoropropane |
1.517 |
1 |
4 |
| |
|
1.517 |
1 |
5 |
| CH2FCH2CH3 |
1-Fluoropropane |
1.516 |
1 |
2 |
| |
|
1.529 |
2 |
3 |
| CH3CHClCH3 |
Propane, 2-chloro- |
1.519 |
2 |
3 |
| |
|
1.519 |
2 |
4 |
| CH2ClCH2CH3 |
Propane, 1-chloro- |
1.807 |
1 |
2 |
| |
|
1.097 |
2 |
3 |
| CH2CHCH2CH3 |
1-Butene |
1.536 |
1 |
2 |
| |
|
1.501 |
2 |
3 |
| |
|
1.336 |
3 |
4 |
| C4H8 |
cyclobutane |
1.553 |
1 |
3 |
| |
|
1.553 |
1 |
4 |
| |
|
1.553 |
2 |
3 |
| |
|
1.553 |
2 |
4 |
| CH3CHOHCH3 |
Isopropyl alcohol |
1.527 |
1 |
2 |
| |
|
1.521 |
1 |
3 |
| C3H7OH |
1-Propanol |
1.773 |
1 |
2 |
| |
|
1.775 |
2 |
3 |
| NH2CH2CH2CH3 |
1-Propanamine |
1.530 |
1 |
2 |
| |
|
1.535 |
2 |
3 |
| CH3CH(CH3)CH3 |
Isobutane |
1.533 |
1 |
3 |
| |
|
1.533 |
1 |
4 |
| |
|
1.533 |
1 |
5 |
| CH3CH2CH2CH3 |
Butane |
1.531 |
1 |
2 |
| |
|
1.529 |
1 |
3 |
| |
|
1.529 |
2 |
4 |
| C3O2 |
Carbon suboxide |
1.279 |
1 |
2 |
| |
|
1.279 |
1 |
3 |
| CHCl2CHO |
dichloroacetaldehyde |
1.535 |
1 |
2 |
| CH2ClCCCl |
1,3-dichloropropyne |
1.213 |
1 |
2 |
| |
|
1.441 |
2 |
3 |
| CHCl2CCH |
3,3-dichloropropyne |
1.209 |
1 |
2 |
| |
|
1.439 |
2 |
3 |
| C2H2N2O |
Furazan |
1.419 |
4 |
5 |
| C3H3NO |
Isoxazole |
1.422 |
1 |
2 |
| |
|
1.363 |
1 |
3 |
| C3H3NS |
Thiazole |
1.373 |
3 |
5 |
| CHF2CH2F |
Ethane, 1,1,2-trifluoro |
1.519 |
1 |
2 |
| CH2ClCHCl2 |
1,1,2-trichloroethane |
1.519 |
1 |
2 |
| C5H4 |
pentatetraene |
1.279 |
1 |
2 |
| |
|
1.279 |
1 |
3 |
| |
|
1.316 |
2 |
4 |
| |
|
1.316 |
3 |
5 |
| C3H4N2 |
1H-Imidazole |
1.376 |
3 |
5 |
| C3H4N2 |
2H-Imidazole |
1.454 |
4 |
5 |
| C4H4O |
Furan |
1.365 |
2 |
4 |
| |
|
1.365 |
3 |
5 |
| |
|
1.433 |
4 |
5 |
| CH3COCCH |
3-butyn-2-one |
1.510 |
1 |
2 |
| |
|
1.456 |
2 |
4 |
| |
|
1.213 |
4 |
5 |
| C4H4Se |
selenophene |
1.369 |
2 |
4 |
| |
|
1.369 |
3 |
5 |
| |
|
1.428 |
4 |
5 |
| C4H5N |
Pyrrole |
1.382 |
3 |
5 |
| |
|
1.382 |
4 |
6 |
| |
|
1.424 |
5 |
6 |
| CH2CClCHCH2 |
1,3-Butadiene, 2-chloro- |
1.343 |
1 |
2 |
| |
|
1.456 |
2 |
3 |
| |
|
1.341 |
3 |
4 |
| C5H6 |
1,3-Cyclopentadiene |
1.501 |
7 |
9 |
| |
|
1.354 |
7 |
10 |
| |
|
1.501 |
8 |
9 |
| |
|
1.354 |
8 |
11 |
| |
|
1.464 |
10 |
11 |
| C5H6 |
Propellane |
1.521 |
1 |
2 |
| |
|
1.521 |
1 |
5 |
| |
|
1.521 |
2 |
3 |
| |
|
1.578 |
2 |
5 |
| |
|
2.252 |
3 |
4 |
| |
|
1.521 |
3 |
5 |
| |
|
1.521 |
4 |
5 |
| HCOOC2H5 |
Ethyl formate |
1.513 |
1 |
2 |
| C3H6O2 |
1,3-Dioxolane |
1.106 |
2 |
3 |
| CH2FCH2CH2F |
1,3-difluoropropane |
1.517 |
1 |
2 |
| |
|
1.517 |
1 |
3 |
| CH3CCl2CH3 |
Propane, 2,2-dichloro- |
1.519 |
1 |
4 |
| |
|
1.519 |
1 |
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 |
| CH3COCH2CH3 |
2-Butanone |
1.517 |
1 |
2 |
| |
|
1.523 |
2 |
3 |
| |
|
1.523 |
3 |
4 |
| C5H10 |
Cyclopentane |
1.538 |
1 |
4 |
| |
|
1.535 |
1 |
5 |
| |
|
1.556 |
2 |
3 |
| |
|
1.541 |
2 |
5 |
| |
|
1.553 |
3 |
4 |
| C4H10O |
Ethanol, 1,1-dimethyl- |
1.534 |
1 |
5 |
| |
|
1.528 |
1 |
9 |
| |
|
1.534 |
1 |
13 |
| C4H10O |
Methyl propyl ether |
1.520 |
3 |
4 |
| |
|
1.529 |
4 |
5 |
| C(CH3)3SH |
2-Propanethiol, 2-methyl- |
1.534 |
1 |
3 |
| |
|
1.532 |
1 |
4 |
| |
|
1.532 |
1 |
5 |
| C4H9SH |
1-Butanethiol |
1.528 |
2 |
3 |
| |
|
1.532 |
3 |
4 |
| |
|
1.530 |
4 |
5 |
| C4F2 |
difluorobutadiyne |
1.361 |
1 |
2 |
| |
|
1.212 |
1 |
3 |
| |
|
1.212 |
2 |
4 |
| C2ClF3 |
Ethene, chlorotrifluoro- |
1.337 |
1 |
2 |
| C2Br4 |
tetrabromoethene |
1.350 |
1 |
2 |
| C3H2O3 |
vinylene carbonate |
1.336 |
5 |
6 |
| CH2BrCBr3 |
1,1,1,2-tetrabromo ethane |
1.521 |
1 |
2 |
| C6H6 |
Benzene |
1.397 |
1 |
2 |
| |
|
1.397 |
1 |
6 |
| |
|
1.397 |
2 |
3 |
| |
|
1.397 |
3 |
4 |
| |
|
1.397 |
4 |
5 |
| |
|
1.397 |
5 |
6 |
| C6H6 |
Prismane |
1.524 |
1 |
2 |
| |
|
1.524 |
1 |
3 |
| |
|
1.559 |
1 |
4 |
| |
|
1.524 |
2 |
3 |
| |
|
1.559 |
2 |
6 |
| |
|
1.559 |
3 |
5 |
| |
|
1.524 |
4 |
5 |
| |
|
1.524 |
4 |
6 |
| |
|
1.524 |
5 |
6 |
| C6H6 |
Benzvalene |
1.451 |
1 |
2 |
| |
|
1.530 |
1 |
3 |
| |
|
1.530 |
1 |
4 |
| |
|
1.530 |
2 |
3 |
| |
|
1.530 |
2 |
4 |
| |
|
1.507 |
3 |
5 |
| |
|
1.507 |
4 |
6 |
| |
|
1.343 |
5 |
6 |
| C6H6 |
Dewar Benzene |
1.576 |
1 |
2 |
| |
|
1.097 |
1 |
3 |
| |
|
1.528 |
1 |
5 |
| |
|
1.528 |
1 |
6 |
| |
|
1.097 |
2 |
4 |
| C6H6 |
1,2,4,5-Hexatetraene |
1.462 |
1 |
2 |
| |
|
1.319 |
1 |
3 |
| |
|
1.319 |
2 |
4 |
| |
|
1.306 |
3 |
5 |
| |
|
1.306 |
4 |
6 |
| C4H6O2 |
γ–Butyrolactone |
1.525 |
1 |
2 |
| |
|
1.529 |
2 |
3 |
| |
|
1.535 |
3 |
4 |
| C5H6O |
2H-Pyran |
1.354 |
2 |
3 |
| |
|
1.451 |
3 |
4 |
| |
|
1.348 |
4 |
5 |
| |
|
1.501 |
5 |
6 |
| C5H6O |
Pentadienal |
1.461 |
1 |
3 |
| |
|
1.355 |
3 |
4 |
| |
|
1.443 |
4 |
5 |
| |
|
1.346 |
5 |
6 |
| C4H8O2 |
Ethyl acetate |
1.509 |
1 |
2 |
| |
|
1.514 |
5 |
6 |
| C5H10O |
3-Pentanone |
1.524 |
2 |
3 |
| |
|
1.524 |
2 |
4 |
| |
|
1.524 |
3 |
5 |
| |
|
1.524 |
4 |
6 |
| C5H12S |
1-Propanethiol, 2,2-dimethyl- |
1.540 |
1 |
2 |
| |
|
1.543 |
1 |
6 |
| |
|
1.537 |
1 |
7 |
| |
|
1.538 |
1 |
8 |
| F2CCCF2 |
tetrafluoroallene |
1.301 |
1 |
2 |
| |
|
1.301 |
1 |
3 |
| CH(CN)3 |
tricyanomethane |
1.475 |
1 |
3 |
| |
|
1.475 |
1 |
4 |
| |
|
1.475 |
1 |
5 |
| HN=C=C(CN)2 |
Dicyanoketenimine |
1.346 |
1 |
2 |
| |
|
1.425 |
1 |
4 |
| |
|
1.425 |
1 |
5 |
| C5H4O2 |
furfural |
1.373 |
2 |
3 |
| |
|
1.419 |
3 |
5 |
| |
|
1.378 |
4 |
5 |
| |
|
1.453 |
4 |
6 |
| C7H7+ |
cycloheptatrienyl cation |
1.399 |
1 |
2 |
| |
|
1.399 |
1 |
7 |
| |
|
1.399 |
2 |
3 |
| |
|
1.399 |
3 |
4 |
| |
|
1.399 |
4 |
5 |
| |
|
1.399 |
5 |
6 |
| |
|
1.399 |
6 |
7 |
| C6H12O |
Oxepane |
1.537 |
2 |
3 |
| |
|
1.536 |
3 |
4 |
| |
|
1.537 |
4 |
5 |
| |
|
1.533 |
5 |
6 |
| |
|
1.530 |
6 |
7 |
| C6H4F2 |
1,4-difluorobenzene |
1.391 |
1 |
3 |
| |
|
1.391 |
1 |
4 |
| |
|
1.391 |
2 |
5 |
| |
|
1.391 |
2 |
6 |
| |
|
1.396 |
3 |
6 |
| |
|
1.396 |
4 |
5 |
| C6H4Cl2 |
1,4-dichlorobenzene |
1.396 |
1 |
3 |
| |
|
1.396 |
1 |
4 |
| |
|
1.396 |
2 |
5 |
| |
|
1.396 |
2 |
6 |
| |
|
1.395 |
3 |
6 |
| |
|
1.395 |
4 |
5 |
| C6H5NO |
nitrosobenzene |
1.403 |
1 |
2 |
| |
|
1.400 |
1 |
6 |
| |
|
1.389 |
2 |
3 |
| |
|
1.404 |
3 |
4 |
| |
|
1.398 |
4 |
5 |
| |
|
1.394 |
5 |
6 |
| C6H5CHO |
benzaldehyde |
1.405 |
1 |
2 |
| |
|
1.402 |
1 |
6 |
| |
|
1.480 |
1 |
7 |
| |
|
1.391 |
2 |
3 |
| |
|
1.401 |
3 |
4 |
| |
|
1.397 |
4 |
5 |
| |
|
1.395 |
5 |
6 |
| C8H8 |
cubane |
1.571 |
1 |
2 |
| |
|
1.571 |
1 |
3 |
| |
|
1.571 |
1 |
5 |
| |
|
1.571 |
2 |
4 |
| |
|
1.571 |
2 |
6 |
| |
|
1.571 |
3 |
4 |
| |
|
1.571 |
3 |
7 |
| |
|
1.571 |
4 |
8 |
| |
|
1.571 |
5 |
6 |
| |
|
1.571 |
5 |
7 |
| |
|
1.571 |
6 |
8 |
| |
|
1.571 |
7 |
8 |
| C3F6 |
hexafluoropropene |
1.340 |
1 |
2 |
| |
|
1.502 |
2 |
3 |
| C10H8 |
naphthalene |
1.379 |
1 |
2 |
| |
|
1.420 |
1 |
9 |
| |
|
1.416 |
2 |
3 |
| |
|
1.379 |
3 |
4 |
| |
|
1.420 |
4 |
10 |
| |
|
1.379 |
5 |
6 |
| |
|
1.420 |
5 |
10 |
| |
|
1.416 |
6 |
7 |
| |
|
1.379 |
7 |
8 |
| |
|
1.420 |
8 |
9 |
| |
|
1.436 |
9 |
10 |
| C13H10 |
Fluorene |
1.511 |
1 |
2 |
| |
|
1.511 |
1 |
3 |
| |
|
2.395 |
1 |
5 |
| |
|
1.413 |
2 |
4 |
| |
|
1.391 |
2 |
6 |
| |
|
1.413 |
3 |
5 |
| |
|
1.391 |
3 |
7 |
| |
|
1.466 |
4 |
5 |
| |
|
1.399 |
4 |
12 |
| |
|
1.399 |
5 |
13 |
| |
|
1.400 |
6 |
8 |
| |
|
1.400 |
7 |
9 |
| |
|
1.401 |
8 |
10 |
| |
|
1.401 |
9 |
11 |
| |
|
1.397 |
10 |
12 |
| |
|
1.397 |
11 |
13 |