| Species |
Name |
Bond Length (Å) |
Atom1 index |
Atom2 index |
| C2H- |
Ethynyl anion |
1.246 |
1 |
2 |
| HCCH- |
acetylene anion |
1.325 |
1 |
2 |
| C2H2 |
Acetylene |
1.210 |
1 |
2 |
| C2H2+ |
acetylene cation |
1.293 |
1 |
2 |
| H2CC- |
vinylidene anion |
1.357 |
1 |
2 |
| C2H3 |
vinyl |
1.327 |
1 |
2 |
| C2H3+ |
vinyl cation |
1.301 |
2 |
3 |
| C2H4 |
Ethylene |
1.341 |
1 |
2 |
| C2H4+ |
Ethylene cation |
1.453 |
1 |
2 |
| C2H5 |
Ethyl radical |
1.518 |
1 |
2 |
| C2H6 |
Ethane |
1.554 |
1 |
2 |
| C3 |
carbon trimer |
1.340 |
1 |
2 |
| |
|
1.340 |
1 |
3 |
| SiC2 |
Silicon dicarbide |
1.310 |
2 |
3 |
| HCCO |
ketenyl radical |
1.317 |
1 |
2 |
| HCCF |
Fluoroacetylene |
1.216 |
1 |
2 |
| HCCBr |
bromoacetylene |
1.215 |
1 |
2 |
| C2H2O |
Oxirene |
1.304 |
2 |
3 |
| CH2CO |
Ketene |
1.336 |
1 |
2 |
| CH2CS |
Thioketene |
1.332 |
1 |
2 |
| CH3CN- |
acetonitrile anion |
1.739 |
1 |
2 |
| CH3CN |
Acetonitrile |
1.499 |
1 |
2 |
| CHNCH2 |
2H-Azirine |
1.484 |
2 |
3 |
| HCNCH2+ |
2H-Azirine cation |
1.713 |
2 |
3 |
| CHNHCH |
1H-Azirine |
1.305 |
2 |
3 |
| H2CCNH |
Ethenimine |
1.329 |
1 |
2 |
| HCCNH2 |
Ethynamine |
1.215 |
1 |
2 |
| CH2COH+ |
ketene, protonated |
1.320 |
1 |
2 |
| CH2CHF |
Ethene, fluoro- |
1.355 |
1 |
2 |
| C2H3I |
Vinyl iodide |
1.345 |
1 |
2 |
| CH3CCH |
propyne |
1.492 |
1 |
2 |
| |
|
1.213 |
2 |
3 |
| CH2CCH2 |
allene |
1.321 |
1 |
2 |
| |
|
1.321 |
1 |
3 |
| C3H4 |
cyclopropene |
1.525 |
1 |
2 |
| |
|
1.525 |
1 |
3 |
| |
|
1.317 |
2 |
3 |
| CH3CHO |
Acetaldehyde |
1.565 |
1 |
2 |
| CH3CHO+ |
acetaldehyde cation |
1.544 |
1 |
2 |
| C2H4O |
Ethylene oxide |
1.510 |
2 |
3 |
| C2H4O+ |
ethylene oxide cation |
1.521 |
2 |
3 |
| C2H4S |
Thiirane |
1.529 |
2 |
3 |
| CH2CHSH |
Ethenethiol |
1.350 |
1 |
2 |
| CH3CHS |
Thioacetaldehyde |
1.545 |
1 |
2 |
| CH2CH2Cl |
2-chloroethyl radical |
1.488 |
1 |
2 |
| CHClCH3 |
1-chloroethyl radical |
1.524 |
1 |
2 |
| C2H5Br |
Ethyl bromide |
1.556 |
1 |
2 |
| C2H5I |
Ethyl iodide |
1.554 |
1 |
2 |
| C3H6 |
Cyclopropane |
1.532 |
1 |
2 |
| |
|
1.532 |
1 |
3 |
| |
|
1.532 |
2 |
3 |
| CH2CHCH3 |
Propene |
1.532 |
1 |
2 |
| |
|
1.345 |
2 |
3 |
| C2H6N+ |
aziridine, protonated |
1.529 |
2 |
3 |
| CH3CH2OH |
Ethanol |
1.561 |
1 |
2 |
| CH3CH2SH |
ethanethiol |
1.562 |
1 |
2 |
| CH3CHCH3 |
Isopropyl radical |
1.523 |
1 |
2 |
| |
|
1.523 |
1 |
3 |
| CH3CHCH3+ |
Isopropyl cation |
1.488 |
1 |
3 |
| |
|
1.488 |
1 |
4 |
| C3H7 |
n-Propyl radical |
1.522 |
1 |
2 |
| |
|
1.564 |
2 |
3 |
| C3H7+ |
cyclopropane, protonated |
1.440 |
1 |
2 |
| |
|
1.738 |
1 |
3 |
| |
|
1.944 |
2 |
3 |
| C3H8 |
Propane |
1.558 |
1 |
2 |
| |
|
1.558 |
1 |
3 |
| C4 |
Carbon tetramer |
1.319 |
1 |
2 |
| |
|
1.366 |
1 |
3 |
| |
|
1.366 |
2 |
4 |
| C3O |
Tricarbon monoxide |
1.318 |
1 |
2 |
| HNCCNH |
Ethenediimine |
1.346 |
1 |
2 |
| C2H2O2 |
Ethanedial |
1.586 |
1 |
2 |
| C3H2O |
Propadienal |
1.347 |
1 |
2 |
| |
|
1.334 |
2 |
3 |
| CHFCHClz |
(Z)-1-Chloro-2-fluoroethene |
1.362 |
1 |
2 |
| CHFCHCl |
(E)-1-chloro-2-fluoroethene |
1.363 |
1 |
2 |
| C2H2ClF |
1-chloro-1-fluoroethylene |
1.356 |
1 |
2 |
| CHBrCHBr |
Ethene, 1,2-dibromo-, (Z)- |
1.355 |
1 |
2 |
| HOCH2CN |
cyanomethanol |
1.527 |
1 |
2 |
| C2H3NO |
Nitrosoethylene |
1.351 |
1 |
2 |
| NH2CH2CN |
Aminoacetonitrile |
1.515 |
2 |
3 |
| NH2CCNH2 |
Diaminoacetylene |
1.226 |
1 |
2 |
| CH2CHCHO |
Acrolein |
1.523 |
1 |
2 |
| |
|
1.353 |
2 |
3 |
| CH3CHF2 |
Ethane, 1,1-difluoro- |
1.594 |
1 |
2 |
| C2H4F2 |
1,2-difluoroethane |
1.606 |
1 |
2 |
| CH2BrCH2Br |
Ethane, 1,2-dibromo- |
1.562 |
1 |
2 |
| CH2BrCH2Cl |
1-bromo-2-chloroethane |
1.558 |
1 |
2 |
| C2H5CN |
ethyl cyanide |
1.565 |
1 |
2 |
| |
|
1.505 |
2 |
3 |
| CH3C(OH)=NH |
Ethaninidic acid |
1.550 |
1 |
2 |
| CH3CSNH2 |
Ethanethioamide |
1.559 |
1 |
3 |
| CH2FCH2OH |
2-fluoroethanol |
1.601 |
1 |
2 |
| CH2CHCH2F |
Allyl Fluoride |
1.558 |
1 |
2 |
| |
|
1.343 |
2 |
3 |
| C4H6 |
1-Methylcyclopropene |
1.523 |
2 |
3 |
| |
|
1.109 |
2 |
6 |
| |
|
2.288 |
3 |
6 |
| |
|
3.389 |
3 |
10 |
| C4H6 |
Bicyclo[1.1.0]butane |
1.516 |
1 |
2 |
| |
|
1.528 |
1 |
3 |
| |
|
1.528 |
1 |
4 |
| |
|
1.528 |
2 |
3 |
| |
|
1.528 |
2 |
4 |
| H2NCHCHNH2 |
diaminoethylene |
1.359 |
1 |
2 |
| CH3COCH3 |
Acetone |
1.574 |
1 |
3 |
| |
|
1.574 |
1 |
4 |
| CH3CH2CHO |
Propanal |
1.554 |
1 |
2 |
| |
|
1.573 |
2 |
3 |
| C3H5OH |
Cyclopropanol |
1.534 |
1 |
2 |
| |
|
1.552 |
1 |
3 |
| |
|
1.536 |
2 |
3 |
| C3H6O |
Acetone enol |
1.541 |
1 |
2 |
| |
|
1.358 |
2 |
3 |
| CH3CHFCH3 |
2-Fluoropropane |
1.580 |
1 |
4 |
| |
|
1.580 |
1 |
5 |
| CH2FCH2CH3 |
1-Fluoropropane |
1.582 |
1 |
2 |
| |
|
1.557 |
2 |
3 |
| CH3CHClCH3 |
Propane, 2-chloro- |
1.557 |
2 |
3 |
| |
|
1.557 |
2 |
4 |
| CH2CHCH2CH3 |
1-Butene |
1.565 |
1 |
2 |
| |
|
1.537 |
2 |
3 |
| |
|
1.344 |
3 |
4 |
| C3H7OH |
1-Propanol |
1.557 |
1 |
2 |
| |
|
1.566 |
2 |
3 |
| NH2CH2CH2CH3 |
1-Propanamine |
1.558 |
1 |
2 |
| |
|
1.572 |
2 |
3 |
| CH3CH2CH2CH3 |
Butane |
1.563 |
1 |
2 |
| |
|
1.558 |
1 |
3 |
| |
|
1.558 |
2 |
4 |
| C3H7NH3+ |
n-propylamine, protonated |
1.561 |
1 |
2 |
| |
|
1.555 |
2 |
3 |
| C3O2 |
Carbon suboxide |
1.296 |
1 |
2 |
| |
|
1.296 |
1 |
3 |
| CHCl2CHO |
dichloroacetaldehyde |
1.600 |
1 |
2 |
| CH2ClCCCl |
1,3-dichloropropyne |
1.220 |
1 |
2 |
| |
|
1.480 |
2 |
3 |
| CHCl2CCH |
3,3-dichloropropyne |
1.218 |
1 |
2 |
| |
|
1.473 |
2 |
3 |
| C2H2N2O |
Furazan |
1.434 |
4 |
5 |
| C3H3NO |
Isoxazole |
1.439 |
1 |
2 |
| |
|
1.385 |
1 |
3 |
| C3H3NS |
Thiazole |
1.379 |
3 |
5 |
| CHF2CH2F |
Ethane, 1,1,2-trifluoro |
1.637 |
1 |
2 |
| C5H4 |
pentatetraene |
1.294 |
1 |
2 |
| |
|
1.294 |
1 |
3 |
| |
|
1.332 |
2 |
4 |
| |
|
1.332 |
3 |
5 |
| C3H4N2 |
2H-Imidazole |
1.483 |
4 |
5 |
| C4H4O |
Furan |
1.383 |
2 |
4 |
| |
|
1.383 |
3 |
5 |
| |
|
1.451 |
4 |
5 |
| CH3COCCH |
3-butyn-2-one |
1.572 |
1 |
2 |
| |
|
1.499 |
2 |
4 |
| |
|
1.221 |
4 |
5 |
| C4H4Se |
selenophene |
1.378 |
2 |
4 |
| |
|
1.378 |
3 |
5 |
| |
|
1.457 |
4 |
5 |
| C4H5N |
Pyrrole |
1.395 |
3 |
5 |
| |
|
1.395 |
4 |
6 |
| |
|
1.442 |
5 |
6 |
| CH2CClCHCH2 |
1,3-Butadiene, 2-chloro- |
1.358 |
1 |
2 |
| |
|
1.491 |
2 |
3 |
| |
|
1.352 |
3 |
4 |
| C5H6 |
Propellane |
1.566 |
1 |
2 |
| |
|
1.566 |
1 |
5 |
| |
|
1.566 |
2 |
3 |
| |
|
1.711 |
2 |
5 |
| |
|
2.271 |
3 |
4 |
| |
|
1.566 |
3 |
5 |
| |
|
1.566 |
4 |
5 |
| C4H6N+ |
pyrrole, beta-protonated |
1.523 |
2 |
4 |
| |
|
1.365 |
3 |
5 |
| |
|
1.532 |
4 |
5 |
| HCOOC2H5 |
Ethyl formate |
1.556 |
1 |
2 |
| CH2CHSCHCH2 |
Divinyl sulfide |
1.349 |
2 |
4 |
| |
|
1.349 |
3 |
5 |
| CH2FCH2CH2F |
1,3-difluoropropane |
1.580 |
1 |
2 |
| |
|
1.580 |
1 |
3 |
| CH3CCl2CH3 |
Propane, 2,2-dichloro- |
1.561 |
1 |
4 |
| |
|
1.561 |
1 |
5 |
| C5H8 |
Bicyclo[1.1.1]pentane |
1.581 |
1 |
2 |
| |
|
1.581 |
1 |
3 |
| |
|
1.581 |
1 |
4 |
| |
|
1.581 |
2 |
5 |
| |
|
1.581 |
3 |
5 |
| |
|
1.581 |
4 |
5 |
| C4H10O |
Methyl propyl ether |
1.564 |
3 |
4 |
| |
|
1.558 |
4 |
5 |
| C(CH3)3SH |
2-Propanethiol, 2-methyl- |
1.568 |
1 |
3 |
| |
|
1.570 |
1 |
4 |
| |
|
1.570 |
1 |
5 |
| C4H9SH |
1-Butanethiol |
1.562 |
2 |
3 |
| |
|
1.563 |
3 |
4 |
| |
|
1.558 |
4 |
5 |
| C4F2 |
difluorobutadiyne |
1.380 |
1 |
2 |
| |
|
1.230 |
1 |
3 |
| |
|
1.230 |
2 |
4 |
| ClCOClCO |
Oxalyl chloride |
1.602 |
1 |
2 |
| C2ClF3 |
Ethene, chlorotrifluoro- |
1.386 |
1 |
2 |
| C2Br4 |
tetrabromoethene |
1.379 |
1 |
2 |
| C3H2O3 |
vinylene carbonate |
1.361 |
5 |
6 |
| CH2ClCCl3 |
1,1,1,2-tetrachloroethane |
1.580 |
1 |
2 |
| C6H6 |
Benzene |
1.415 |
1 |
2 |
| |
|
1.415 |
1 |
6 |
| |
|
1.415 |
2 |
3 |
| |
|
1.415 |
3 |
4 |
| |
|
1.415 |
4 |
5 |
| |
|
1.415 |
5 |
6 |
| C6H6 |
Prismane |
1.549 |
1 |
2 |
| |
|
1.549 |
1 |
3 |
| |
|
1.583 |
1 |
4 |
| |
|
1.549 |
2 |
3 |
| |
|
1.583 |
2 |
6 |
| |
|
1.583 |
3 |
5 |
| |
|
1.549 |
4 |
5 |
| |
|
1.549 |
4 |
6 |
| |
|
1.549 |
5 |
6 |
| C6H6 |
Benzvalene |
1.480 |
1 |
2 |
| |
|
1.557 |
1 |
3 |
| |
|
1.557 |
1 |
4 |
| |
|
1.557 |
2 |
3 |
| |
|
1.557 |
2 |
4 |
| |
|
1.533 |
3 |
5 |
| |
|
1.533 |
4 |
6 |
| |
|
1.354 |
5 |
6 |
| C6H6 |
Dewar Benzene |
1.600 |
1 |
2 |
| |
|
1.110 |
1 |
3 |
| |
|
1.558 |
1 |
5 |
| |
|
1.558 |
1 |
6 |
| |
|
1.110 |
2 |
4 |
| C6H6 |
1,2,4,5-Hexatetraene |
1.497 |
1 |
2 |
| |
|
1.333 |
1 |
3 |
| |
|
1.333 |
2 |
4 |
| |
|
1.319 |
3 |
5 |
| |
|
1.319 |
4 |
6 |
| C4H6O2 |
γ–Butyrolactone |
1.586 |
1 |
2 |
| |
|
1.554 |
2 |
3 |
| |
|
1.571 |
3 |
4 |
| C5H6O |
Pentadienal |
1.512 |
1 |
3 |
| |
|
1.369 |
3 |
4 |
| |
|
1.477 |
4 |
5 |
| |
|
1.358 |
5 |
6 |
| C6H7+ |
benzene, protonated |
1.510 |
1 |
2 |
| |
|
1.510 |
1 |
3 |
| |
|
1.397 |
2 |
4 |
| |
|
1.397 |
3 |
5 |
| |
|
1.440 |
4 |
6 |
| |
|
1.440 |
5 |
6 |
| C4H8O2 |
Ethyl acetate |
1.568 |
1 |
2 |
| |
|
1.557 |
5 |
6 |
| C4H8O2 |
Butanoic acid |
1.570 |
1 |
2 |
| |
|
1.567 |
2 |
3 |
| |
|
1.558 |
3 |
4 |
| C5H10O |
3-Pentanone |
1.583 |
2 |
3 |
| |
|
1.583 |
2 |
4 |
| |
|
1.555 |
3 |
5 |
| |
|
1.555 |
4 |
6 |
| F2CCCF2 |
tetrafluoroallene |
1.330 |
1 |
2 |
| |
|
1.330 |
1 |
3 |
| CH(CN)3 |
tricyanomethane |
1.521 |
1 |
3 |
| |
|
1.521 |
1 |
4 |
| |
|
1.521 |
1 |
5 |
| HN=C=C(CN)2 |
Dicyanoketenimine |
1.367 |
1 |
2 |
| |
|
1.463 |
1 |
4 |
| |
|
1.463 |
1 |
5 |
| CF3CHF2 |
pentafluoroethane |
1.700 |
1 |
2 |
| C5H4O2 |
furfural |
1.391 |
2 |
3 |
| |
|
1.440 |
3 |
5 |
| |
|
1.401 |
4 |
5 |
| |
|
1.507 |
4 |
6 |
| C7H7+ |
cycloheptatrienyl cation |
1.426 |
1 |
2 |
| |
|
1.426 |
1 |
7 |
| |
|
1.426 |
2 |
3 |
| |
|
1.426 |
3 |
4 |
| |
|
1.426 |
4 |
5 |
| |
|
1.426 |
5 |
6 |
| |
|
1.426 |
6 |
7 |
| C7H10 |
Norbornene |
1.572 |
1 |
2 |
| |
|
1.572 |
1 |
3 |
| |
|
1.550 |
2 |
4 |
| |
|
1.588 |
2 |
6 |
| |
|
1.550 |
3 |
5 |
| |
|
1.588 |
3 |
7 |
| |
|
1.351 |
4 |
5 |
| |
|
1.580 |
6 |
7 |
| C6H12O |
Oxepane |
1.583 |
2 |
3 |
| |
|
1.565 |
3 |
4 |
| |
|
1.564 |
4 |
5 |
| |
|
1.560 |
5 |
6 |
| |
|
1.575 |
6 |
7 |
| C2Cl6 |
hexachloroethane |
1.637 |
1 |
2 |
| C6H4F2 |
1,4-difluorobenzene |
1.432 |
1 |
3 |
| |
|
1.432 |
1 |
4 |
| |
|
1.432 |
2 |
5 |
| |
|
1.432 |
2 |
6 |
| |
|
1.408 |
3 |
6 |
| |
|
1.408 |
4 |
5 |
| C6H4Cl2 |
1,4-dichlorobenzene |
1.419 |
1 |
3 |
| |
|
1.419 |
1 |
4 |
| |
|
1.419 |
2 |
5 |
| |
|
1.419 |
2 |
6 |
| |
|
1.415 |
3 |
6 |
| |
|
1.415 |
4 |
5 |
| C6H5NO |
nitrosobenzene |
1.420 |
1 |
2 |
| |
|
1.420 |
1 |
6 |
| |
|
1.412 |
2 |
3 |
| |
|
1.420 |
3 |
4 |
| |
|
1.418 |
4 |
5 |
| |
|
1.415 |
5 |
6 |
| C6H5CHO |
benzaldehyde |
1.425 |
1 |
2 |
| |
|
1.423 |
1 |
6 |
| |
|
1.530 |
1 |
7 |
| |
|
1.412 |
2 |
3 |
| |
|
1.418 |
3 |
4 |
| |
|
1.417 |
4 |
5 |
| |
|
1.413 |
5 |
6 |
| C8H8 |
cubane |
1.593 |
1 |
2 |
| |
|
1.593 |
1 |
3 |
| |
|
1.593 |
1 |
5 |
| |
|
1.593 |
2 |
4 |
| |
|
1.593 |
2 |
6 |
| |
|
1.593 |
3 |
4 |
| |
|
1.593 |
3 |
7 |
| |
|
1.593 |
4 |
8 |
| |
|
1.593 |
5 |
6 |
| |
|
1.593 |
5 |
7 |
| |
|
1.593 |
6 |
8 |
| |
|
1.593 |
7 |
8 |
| C3F6 |
hexafluoropropene |
1.389 |
1 |
2 |
| |
|
1.602 |
2 |
3 |
| C19H16 |
Triphenylmethane |
1.557 |
1 |
3 |
| |
|
1.557 |
1 |
4 |
| |
|
1.557 |
1 |
5 |
| |
|
1.419 |
3 |
6 |
| |
|
1.421 |
3 |
9 |
| |
|
1.419 |
4 |
7 |
| |
|
1.421 |
4 |
10 |
| |
|
1.419 |
5 |
8 |
| |
|
1.421 |
5 |
11 |
| |
|
1.415 |
6 |
12 |
| |
|
1.415 |
7 |
13 |
| |
|
1.415 |
8 |
14 |
| |
|
1.413 |
9 |
15 |
| |
|
1.413 |
10 |
16 |
| |
|
1.413 |
11 |
17 |
| |
|
1.415 |
12 |
18 |
| |
|
1.415 |
13 |
19 |
| |
|
1.415 |
14 |
20 |
| |
|
1.416 |
15 |
18 |
| |
|
1.416 |
16 |
19 |
| |
|
1.416 |
17 |
20 |