return to home page 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

Compare Calculated Bonds for C-C

17 01 10 14 40

MP3=FULL/cc-pVDZ

Histogram of Bond lengths (in Å) vs number of species


Values greater than 2.20 are in the 2.20 bin. Values less than 1.00 are in the 1.00 bin.

histogram chart 250 line line line line line line line line line line line line line line line line line line line line line line line line line line line line line line line line line line line line line line line
histogram chart 200 line line line line line line line line line line line line line line line line histogram chart line line line line line line line line line line line line line line line line line line line line line line
histogram chart 150 line line line line line line line line line line line line line line line line histogram chart line line line line line line line line line line line line line line line line line line line line line line
histogram chart 100 line line line line line line line line line line line line line histogram chart line line histogram chart line line line line line line line line line line line line line line line line line line line line line line
histogram chart 50 line line line line line line line line line line histogram chart line line histogram chart line line histogram chart line line line line line line line line line line line line line line line line line line line line line line
histogram chart 0 line line line line histogram chart line line histogram chart line line histogram chart line line histogram chart line line histogram chart line line histogram chart line line histogram chart line line histogram chart line line line line line line line line line line line histogram chart line
1.00 1.10 1.20 1.30 1.40 1.50 1.60 1.70 1.80 1.90 2.00 2.10 2.20
bond lengths (Å)

Summary: (Å)
Average bond length Standard deviation
1.448 0.127

  Species Name Bond Length (Å)
Lowest value C4H8 methylcyclopropane 1.095
Highest value C5H6 Propellane 2.254

Calculated Bond lengths
Click on entry for all calculated results.
Species Name Bond Length (Å) Atom1 index Atom2 index
C2 Carbon diatomic 1.251 1 2
C2+ carbon diatomic cation 1.417 1 2
C2H- Ethynyl anion 1.260 1 2
C2H Ethynyl radical 1.193 1 2
HCCH- acetylene anion 1.329 1 2
C2H2+ acetylene cation 1.266 1 2
H2CC- vinylidene anion 1.347 1 2
C2H3- vinyl anion 1.370 1 2
C2H3 vinyl 1.301 1 2
C2H3+ vinyl cation 1.240 2 3
C2H4- Ethylene anion 1.461 1 2
C2H4+ Ethylene cation 1.426 1 2
C2H5 Ethyl radical 1.500 1 2
C2H6 Ethane 1.532 1 2
C3 carbon trimer 1.303 1 2
    1.303 1 3
CCO Dicarbon monoxide 1.382 1 2
HCCN cyanomethylene 1.363 1 2
HCCO ketenyl radical 1.324 1 2
HCCCl Chloroacetylene 1.214 1 2
HCCBr bromoacetylene 1.216 1 2
C2H2O Oxirene 1.283 2 3
CH2CO Ketene 1.327 1 2
CH2CS Thioketene 1.323 1 2
C3H3 cyclopropenyl radical 1.478 1 3
    1.478 1 4
    1.328 3 4
CH3CN Acetonitrile 1.472 1 2
CHNCH2 2H-Azirine 1.445 2 3
HCNCH2+ 2H-Azirine cation 1.714 2 3
CHNHCH 1H-Azirine 1.292 2 3
H2CCNH Ethenimine 1.325 1 2
HCCNH2 Ethynamine 1.218 1 2
CH2COH+ ketene, protonated 1.293 1 2
CH3CCH propyne 1.473 1 2
    1.217 2 3
C3H4 cyclopropene 1.520 1 2
    1.520 1 3
    1.309 2 3
CH2CHNH vinylazine 1.408 1 2
CH3CHO Acetaldehyde 1.512 1 2
CH3CHO+ acetaldehyde cation 1.501 1 2
C2H4O Ethylene oxide 1.477 2 3
C2H4O+ ethylene oxide cation 1.468 2 3
C2H4S Thiirane 1.493 2 3
CH2CHSH Ethenethiol 1.344 1 2
CH3CHS Thioacetaldehyde 1.504 1 2
CH2CH2Cl 2-chloroethyl radical 1.484 1 2
CHClCH3 1-chloroethyl radical 1.496 1 2
C3H5 Allyl radical 1.389 1 3
    1.388 1 4
CH3CHOH 1-hydroxy-ethyl radical 1.496 1 2
CH3CHOH+ acetaldehyde, protonated 1.464 1 2
CH2CHCH3 Propene 1.508 1 2
    1.343 2 3
C2H6N+ aziridine, protonated 1.486 2 3
CH3CH2SH ethanethiol 1.529 1 2
CH3CHCH3+ Isopropyl cation 1.448 1 3
    1.448 1 4
C3H7 n-Propyl radical 1.502 1 2
    1.535 2 3
C3H7+ cyclopropane, protonated 1.401 1 2
    1.720 1 3
    1.814 2 3
C3H8 Propane 1.533 1 2
    1.533 1 3
CH3CH2NH3+ ethylamine, protonated 1.522 2 3
C4 Carbon tetramer 1.303 1 2
    1.324 1 3
    1.324 2 4
C2N2 Cyanogen 1.401 1 2
C3O Tricarbon monoxide 1.281 1 2
C4H2 Diacetylene 1.394 1 2
    1.220 1 3
    1.220 2 4
HNCCNH Ethenediimine 1.325 1 2
C3H2O Propadienal 1.341 1 2
    1.327 2 3
CHFCHClz (Z)-1-Chloro-2-fluoroethene 1.336 1 2
CHFCHCl (E)-1-chloro-2-fluoroethene 1.336 1 2
C2H2ClF 1-chloro-1-fluoroethylene 1.333 1 2
CHBrCHBr Ethene, 1,2-dibromo-, (Z)- 1.339 1 2
HOCH2CN cyanomethanol 1.489 1 2
NH2CH2CN Aminoacetonitrile 1.490 2 3
NH2CCNH2 Diaminoacetylene 1.221 1 2
C2H4F2 1,2-difluoroethane 1.520 1 2
CH2ClCH2Cl Ethane, 1,2-dichloro- 1.520 1 2
CH2FCH2Cl Ethane, 1-chloro-2-fluoro- 1.522 1 2
CH3CHNOH Acetaldoxime 1.505 1 2
CH3COCH2 Acetonyl radical 1.471 1 3
    1.523 1 4
CH3C(OH)=NH Ethaninidic acid 1.508 1 2
CH3CSNH2 Ethanethioamide 1.517 1 3
CH2CHCH2F Allyl Fluoride 1.505 1 2
    1.341 2 3
CH2ClCH2OH 2-Chloroethanol 1.522 1 2
CHCCH2CH3 1-Butyne 1.218 1 2
    1.477 2 3
    1.538 3 4
C4H6 Bicyclo[1.1.0]butane 1.507 1 2
    1.507 1 3
    1.507 1 4
    1.507 2 3
    1.507 2 4
H2NCHCHNH2 diaminoethylene 1.347 1 2
C3H6O 2-Propen-1-ol 1.506 1 2
    1.342 2 3
CH3CH2CHO Propanal 1.528 1 2
    1.515 2 3
C3H6O Oxetane 1.548 2 3
    1.548 2 4
C3H5OH Cyclopropanol 1.501 1 2
    1.513 1 3
    1.525 2 3
C3H6O Acetone enol 1.503 1 2
    1.345 2 3
CH2ClCH2OH2+ 2-chloroethanol, protonated 1.519 1 2
HOCH2CH2NH2 monoethanolamine 1.529 2 3
CH3CHFCH3 2-Fluoropropane 1.521 1 4
    1.521 1 5
CH2FCH2CH3 1-Fluoropropane 1.520 1 2
    1.532 2 3
CH2CHCH2CH3 1-Butene 1.537 1 2
    1.510 2 3
    1.343 3 4
C4H8 methylcyclopropane 1.516 1 2
    1.095 1 3
    1.515 1 4
C4H8 cyclobutane 1.556 1 3
    1.556 1 4
    1.556 2 3
    1.556 2 4
CH3OC2H5 Ethane, methoxy- 1.521 3 4
NH2CH2CH2CH3 1-Propanamine 1.533 1 2
    1.535 2 3
CH3CH2CH2CH3 Butane 1.534 1 2
    1.533 1 3
    1.533 2 4
C3H7NH3+ n-propylamine, protonated 1.535 1 2
    1.526 2 3
C3O2 Carbon suboxide 1.287 1 2
    1.287 1 3
CH2ClCCCl 1,3-dichloropropyne 1.213 1 2
    1.466 2 3
CHCl2CCH 3,3-dichloropropyne 1.215 1 2
    1.465 2 3
C2H2N2O Furazan 1.431 4 5
C3H3N2- imidizolyl anion 1.401 4 5
C3H3N2 imidazolyl radical 1.463 4 5
C3H3NO Oxazole 1.365 4 5
CHF2CH2F Ethane, 1,1,2-trifluoro 1.515 1 2
C5H4 pentatetraene 1.293 1 2
    1.293 1 3
    1.326 2 4
    1.326 3 5
C3H4N2 1H-Imidazole 1.383 3 5
C3H4N2 4H-Imidazole 1.508 4 5
C3H4N2 2H-Imidazole 1.463 4 5
C4H4N- pyrrolide anion 1.411 2 4
    1.411 3 5
    1.426 4 5
C4H4N pyrrolide radical 1.464 2 4
    1.464 3 5
    1.374 4 5
CH3COCCH 3-butyn-2-one 1.514 1 2
    1.479 2 4
    1.218 4 5
C4H4Se selenophene 1.371 2 4
    1.371 3 5
    1.445 4 5
C4H5N Pyrrole 1.387 3 5
    1.387 4 6
    1.434 5 6
CH3OCH2CN Methoxyacetonitrile 1.492 3 4
C5H6 Propellane 1.525 1 2
    1.525 1 5
    1.525 2 3
    1.592 2 5
    2.254 3 4
    1.525 3 5
    1.525 4 5
C4H6N+ pyrrole, protonated 1.347 2 4
    1.347 3 5
    1.480 4 5
C4H6N+ pyrrole, beta-protonated 1.490 2 4
    1.350 3 5
    1.506 4 5
C4H6N+ pyrrole, alpha-protonated 1.499 2 4
    1.455 3 5
    1.361 4 5
HCOOC2H5 Ethyl formate 1.519 1 2
CH2CHSCHCH2 Divinyl sulfide 1.344 2 4
    1.345 3 5
CH3CCl2CH3 Propane, 2,2-dichloro- 1.524 1 4
    1.524 1 5
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.483 2 3
    1.539 3 4
    1.539 3 5
CH3CH2CH2CN Butanenitrile 1.477 2 3
    1.540 3 4
    1.531 4 5
CH2ClCHCHCH3 2-Butene, 1-chloro- 1.500 1 2
    1.344 2 3
    1.507 3 4
C5H8 Bicyclo[1.1.1]pentane 1.562 1 2
    1.562 1 3
    1.562 1 4
    1.562 2 5
    1.562 3 5
    1.562 4 5
C5H8 Ethenylcyclopropane 1.487 1 2
    1.522 1 4
    1.522 1 5
    1.344 2 3
    1.511 4 5
C4H10O Methyl propyl ether 1.523 3 4
    1.532 4 5
C4H9SH 1-Butanethiol 1.532 2 3
    1.534 3 4
    1.533 4 5
NH(C2H5)2 diethylamine 1.528 2 4
    1.528 3 5
C4F2 difluorobutadiyne 1.394 1 2
    1.211 1 3
    1.211 2 4
CF2CCl2 difluorodichloroethylene 1.338 1 2
ClCOClCO Oxalyl chloride 1.554 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
C6H2 hexatriyne 1.224 1 2
    1.389 1 3
    1.389 2 4
    1.221 3 5
    1.221 4 6
C4H2N2 Fumaronitrile 1.351 1 2
    1.445 1 3
    1.445 2 4
C2H2O4 Oxalic Acid 1.540 1 2
C3H2O3 vinylene carbonate 1.341 5 6
CHCl2CHF2 1,1-dichloro-2,2-difluoroethane 1.531 1 2
CHFClCHFCl 1,2-dichloro-1,2-difluoroethane RR 1.531 1 2
CHFClCHClF ethane, 1,2-dichloro-1,2-difluoro- 1.529 1 2
C4H3ClO Furan, 2-chloro 1.366 1 2
    1.448 2 3
    1.367 3 4
C2H4CO3 Ethylene carbonate 1.539 5 6
C2H4N2S2 Ethanedithioamide 1.539 1 2
C2H5NO3 Nitric acid, ethyl ester 1.519 5 6
C6H6 Prismane 1.533 1 2
    1.533 1 3
    1.566 1 4
    1.533 2 3
    1.566 2 6
    1.566 3 5
    1.533 4 5
    1.533 4 6
    1.533 5 6
C6H6 Benzvalene 1.467 1 2
    1.533 1 3
    1.533 1 4
    1.533 2 3
    1.533 2 4
    1.519 3 5
    1.519 4 6
    1.349 5 6
C6H6 Hexa-1,5-diene-3-yne 1.222 1 2
    1.441 1 3
    1.441 2 4
    1.349 3 5
    1.349 4 6
C6H6 Dewar Benzene 1.581 1 2
    1.099 1 3
    1.538 1 5
    1.538 1 6
    1.099 2 4
C6H6 1,2,4,5-Hexatetraene 1.480 1 2
    1.326 1 3
    1.326 2 4
    1.319 3 5
    1.319 4 6
C5H6N+ Pyridinium 1.393 2 4
    1.393 3 5
    1.404 4 6
    1.404 5 6
C4H6O2 γ–Butyrolactone 1.528 1 2
    1.532 2 3
    1.537 3 4
C5H6O Pentadienal 1.482 1 3
    1.353 3 4
    1.467 4 5
    1.349 5 6
C6H7+ benzene, protonated 1.477 1 2
    1.477 1 3
    1.378 2 4
    1.378 3 5
    1.419 4 6
    1.419 5 6
C5H8O Cyclopentanone 1.536 2 3
    1.536 2 4
    1.539 3 5
    1.539 4 6
    1.547 5 6
C4H8O2 Ethyl acetate 1.511 1 2
    1.519 5 6
C5H8O Methyl cyclopropyl ketone 1.518 2 3
    1.502 2 4
    1.526 4 5
    1.526 4 6
    1.501 5 6
C4H8O2 Butanoic acid 1.512 1 2
    1.539 2 3
    1.532 3 4
C6H10 1,5-Hexadiene 1.543 1 2
    1.509 1 3
    1.509 2 4
    1.343 3 5
    1.343 4 6
C6H10 3-Hexyne 1.218 1 2
    1.478 1 3
    1.478 2 4
    1.538 3 5
    1.538 4 6
C5H10O 2-methylbutyraldehyde 1.521 1 2
    1.544 2 3
    1.530 2 5
    1.533 3 4
C5H10O 3-Pentanone 1.526 2 3
    1.526 2 4
    1.528 3 5
    1.528 4 6
C6H12 2,3-dimethylbut-1-ene 1.346 1 2
    1.525 2 3
    1.515 2 4
    1.540 3 5
    1.540 3 6
C6H12 hex-1-ene 1.343 1 2
    1.510 2 3
    1.538 3 4
    1.533 4 5
    1.533 5 6
CF3COF trifluoroacetyl fluoride 1.536 1 2
F2CCCF2 tetrafluoroallene 1.308 1 2
    1.308 1 3
CF3COO- trifluoro acetate anion 1.570 1 2
CH(CN)3 tricyanomethane 1.485 1 3
    1.485 1 4
    1.485 1 5
CF3CHF2 pentafluoroethane 1.529 1 2
C6H6O 2,5-Cyclohexadienone 1.490 1 3
    1.490 1 4
    1.506 2 5
    1.506 2 6
    1.349 3 5
    1.349 4 6
C7H7+ cycloheptatrienyl cation 1.406 1 2
    1.406 1 7
    1.406 2 3
    1.406 3 4
    1.406 4 5
    1.406 5 6
    1.406 6 7
C5H8O2 Acetylacetone 1.535 1 2
    1.535 1 3
    1.515 2 4
    1.515 3 5
C6H12O Oxepane 1.540 2 3
    1.540 3 4
    1.541 4 5
    1.537 5 6
    1.531 6 7
C6H4Cl2 1,4-dichlorobenzene 1.401 1 3
    1.401 1 4
    1.401 2 5
    1.401 2 6
    1.402 3 6
    1.402 4 5
C6H5NO nitrosobenzene 1.406 1 2
    1.400 1 6
    1.398 2 3
    1.409 3 4
    1.402 4 5
    1.404 5 6
C5H9NO2 Proline 1.548 1 2
    1.536 1 6
    1.556 2 3
    1.541 3 4
C6H12N2 Triethylenediamine 1.563 3 6
    1.563 4 8
    1.563 5 7
C8H14 Bicyclo[2.2.2]octane 1.543 1 3
    1.543 1 4
    1.543 1 5
    1.543 2 6
    1.543 2 7
    1.543 2 8
    1.558 3 6
    1.558 4 8
    1.558 5 7
(CH3)3CC(CH3)3 tetramethylbutane 1.582 1 2
    1.545 1 3
    1.545 1 4
    1.545 1 5
    1.545 2 6
    1.545 2 7
    1.545 2 8
C(CN)4 tetracyanomethane 1.494 1 2
    1.494 1 3
    1.494 1 4
    1.494 1 5
C3F6 hexafluoropropene 1.337 1 2
    1.502 2 3
C10H8 naphthalene 1.381 1 2
    1.432 1 9
    1.428 2 3
    1.381 3 4
    1.432 4 10
    1.381 5 6
    1.432 5 10
    1.428 6 7
    1.381 7 8
    1.432 8 9
    1.429 9 10
C10H8 Azulene 1.405 1 3
    1.405 1 4
    1.413 2 9
    1.413 2 10
    1.405 3 5
    1.405 4 6
    1.399 5 7
    1.399 6 8
    1.505 7 8
    1.413 7 9
    1.413 8 10
C12H8 biphenylene 1.521 1 2
    1.433 1 3
    1.378 1 5
    1.433 2 4
    1.378 2 9
    1.521 3 4
    1.378 3 8
    1.378 4 12
    1.430 5 6
    1.395 6 7
    1.430 7 8
    1.430 9 10
    1.395 10 11
    1.430 11 12