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: Home > Geometry > Experimental > Same bond/angle many molecules OR Comparisons > Geometry > Bonds, angles > Same bond/angle many molecules

Compare Bonds

18 10 26 16 45

MP2/6-31G(2df,p) for rCC

Histogram of Bond length differences (in Å) vs number of species


Differences greater than 1.800 are in the 1.800 bin. Differences less than -0.600 are in the -0.600 bin.

histogram chart 350
histogram chart 300 histogram chart
histogram chart 250 histogram chart
histogram chart 200 histogram chart
histogram chart 150 histogram chart
histogram chart 100 histogram chart
histogram chart 50 histogram chart
histogram chart 0 histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart
-0.600 -0.400 -0.200 0.000 0.200 0.400 0.600 0.800 1.000 1.200 1.400 1.600 1.800
bond length difference calc. - exp. (Å)

  Species Name Difference (Å)
Most negative difference C3H6O 2-Propen-1-ol-0.542
Most positive difference C4H6 1-Methylcyclopropene0.777

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C3H6O 2-Propen-1-ol 1.502 -0.542
C4H10O Methyl propyl ether 1.530 -0.438
C4H6 1-Methylcyclopropene 1.515 -0.426
CH3CHNOH Acetaldoxime 1.550 -0.058
C3H5 Allyl radical 1.428 -0.055
C4H6 Methylenecyclopropane 1.542 -0.047
C4H6 Methylenecyclopropane 1.457 -0.045
C2H Ethynyl radical 1.217 -0.042
C5H8 Bicyclo[2.1.0]pentane 1.536 -0.036
C2H3 vinyl 1.316 -0.035
C2Cl2 dichloroacetylene 1.246 -0.031
C5H8 Spiropentane 1.557 -0.031
C3H3NO Isoxazole 1.356 -0.030
C2F6 hexafluoroethane 1.560 -0.028
CH3CHCl2 Ethane, 1,1-dichloro- 1.540 -0.028
C5H8O Cyclopentanone 1.557 -0.028
C6H5Br bromobenzene 1.420 -0.026
C4H6O2 2,3-Butanedione 1.527 -0.024
C3H5ClO Oxirane, (chloromethyl)- 1.523 -0.024
C6H5CCH phenylacetylene 1.448 -0.023
C4H5NO 3-Methylisoxazole 1.514 -0.022
CHClCHCl Ethene, 1,2-dichloro-, (E)- 1.354 -0.022
C3F6 hexafluoropropene 1.513 -0.022
CH2CHCHCH2 1,3-Butadiene 1.476 -0.021
C2H2N2O Furazan 1.421 -0.021
C6H5CN phenyl cyanide 1.451 -0.020
C4H4N2 Succinonitrile 1.561 -0.020
C5H5N Bicyclo[1.1.0]butane-1-carbonitrile 1.514 -0.020
C3H7N Cyclopropylamine 1.520 -0.020
C4H6S Thiophene, 2,5-dihydro- 1.518 -0.019
C12H8 biphenylene 1.524 -0.019
C5H4O2 4-Cyclopentene-1,3-dione 1.509 -0.019
CH2CHCH3 Propene 1.353 -0.019
C5H9N Pentanenitrile 1.478 -0.018
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.481 -0.017
C7H12 Norbornane 1.573 -0.017
CH2ClCH2Cl Ethane, 1,2-dichloro- 1.531 -0.017
CH3COOH Acetic acid 1.517 -0.017
C2H6O2 1,2-Ethanediol 1.530 -0.016
C9H8 Indene 1.415 -0.016
CH2ClCH2CH2CH3 Butane, 1-chloro- 1.533 -0.016
C5H5N Bicyclo[1.1.0]butane-1-carbonitrile 1.518 -0.016
C4H4Se selenophene 1.433 -0.016
CH2CF2 Ethene, 1,1-difluoro- 1.340 -0.016
C5H10 Cyclopropane, 1,1-dimethyl- 1.520 -0.015
C4H6 Bicyclo[1.1.0]butane 1.497 -0.015
C6H8 (Z)-hexa-1,3,5-triene 1.368 -0.015
C2HF3 Trifluoroethylene 1.341 -0.015
C12H10 biphenyl 1.489 -0.014
C12H8 biphenylene 1.428 -0.014
C2H5NO3 Nitric acid, ethyl ester 1.528 -0.014
H2CCCCH2 Butatriene 1.283 -0.014
C4H6O Furan, 2,5-dihydro- 1.347 -0.014
C5H10 Cyclopentane 1.546 -0.014
C3H6O Propylene oxide 1.513 -0.014
C3H5ClO Oxirane, (chloromethyl)- 1.475 -0.013
C3H4N2 1H-Pyrazole 1.417 -0.013
C2N2 Cyanogen 1.389 -0.013
C2H8N2 Ethylenediamine 1.545 -0.013
C10H8 Azulene 1.414 -0.012
C4H2 Diacetylene 1.378 -0.012
C2H3CCH 1-Buten-3-yne 1.434 -0.012
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.469 -0.012
C3F8 perfluoropropane 1.546 -0.012
C5H8 Cyclopentene 1.350 -0.012
C6H4Cl2 1,3-dichlorobenzene 1.404 -0.011
C10H8 Azulene 1.407 -0.011
C7H12 Norbornane 1.546 -0.011
C12H8 biphenylene 1.432 -0.011
CH3CHS Thioacetaldehyde 1.506 -0.011
CHCCH2CH3 1-Butyne 1.544 -0.011
CF3COOH trifluoroacetic acid 1.546 -0.011
C5H9N Pentanenitrile 1.536 -0.011
C2H2O4 Oxalic Acid 1.544 -0.011
CF2CCl2 difluorodichloroethylene 1.345 -0.011
CH3COCH2CH3 2-Butanone 1.531 -0.010
C2H2O2 Ethanedial 1.526 -0.010
CH3COCl Acetyl Chloride 1.506 -0.010
C5H8 Cyclopentene 1.518 -0.010
C6H5Cl chlorobenzene 1.402 -0.010
C4H5NO 3-Methylisoxazole 1.427 -0.010
C2H6 Ethane 1.536 -0.010
CH3COF Acetyl fluoride 1.503 -0.010
CH2CCHCH3 1,2-Butadiene 1.515 -0.010
C3H7SH 1-Propanethiol 1.536 -0.009
C3H6S Thietane 1.549 -0.008
C5H8 Ethenylcyclopropane 1.522 -0.008
CH3CH(NH2)COOH Alanine 1.544 -0.008
CH2ClCCCl 1,3-dichloropropyne 1.456 -0.008
C(CN)4 tetracyanomethane 1.484 -0.008
CHOCHCHCH3 2-Butenal 1.501 -0.008
C5H8O 2H-Pyran, 3,4-dihydro- 1.510 -0.008
C7H16 heptane 1.534 -0.008
C5H5N Pyridine 1.400 -0.008
C6H8 (Z)-hexa-1,3,5-triene 1.458 -0.008
C3H6O Propylene oxide 1.471 -0.008
C5H12 Propane, 2,2-dimethyl- 1.537 -0.008
C4H8 cyclobutane 1.555 -0.008
C4H4S Thiophene 1.423 -0.008
CH3CH2NH2 Ethylamine 1.531 -0.008
C2H5CN ethyl cyanide 1.468 -0.008
C5H8 Cyclobutane, methylene- 1.524 -0.007
CH2CHCH2CH3 1-Butene 1.342 -0.007
C6H5Br bromobenzene 1.401 -0.007
C10H16 adamantane 1.540 -0.007
C5H6 Propellane 1.525 -0.007
C6H14 Hexane 1.533 -0.007
CH2ClCH2CH3 Propane, 1-chloro- 1.525 -0.007
C6H5CH3 toluene 1.513 -0.007
C5H8 Bicyclo[1.1.1]pentane 1.557 -0.007
CH3CHFCH3 2-Fluoropropane 1.521 -0.007
C4N2 2-Butynedinitrile 1.370 -0.006
C3H4O Cyclopropanone 1.575 -0.006
CH3CCl2CH3 Propane, 2,2-dichloro- 1.523 -0.006
C2H4 Ethylene 1.339 -0.006
CH3COCH3 Acetone 1.520 -0.006
CH3CH2CHO Propanal 1.509 -0.006
C4H4N2 Succinonitrile 1.465 -0.006
CH3CH2SH ethanethiol 1.528 -0.006
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.344 -0.006
C4H6S Thiophene, 2,5-dihydro- 1.340 -0.006
CH2CCHCH3 1,2-Butadiene 1.314 -0.006
C7H8 Norbornadiene 1.557 -0.005
C5H10 Cyclopropane, 1,1-dimethyl- 1.514 -0.005
C5H12 Pentane 1.531 -0.005
C6H6 Benzvalene 1.529 -0.005
CH3CH2CH2CH3 Butane 1.531 -0.005
C6H5Cl chlorobenzene 1.399 -0.005
CH2ClCHO chloroacetaldehyde 1.521 -0.005
C3H7SH 1-Propanethiol 1.529 -0.004
C2H3CCH 1-Buten-3-yne 1.344 -0.004
CH3CHClCH3 Propane, 2-chloro- 1.522 -0.004
CH2CHCH2CH3 1-Butene 1.536 -0.004
C5H8 Bicyclo[2.1.0]pentane 1.565 -0.004
C4H8O2 1,3-Dioxane 1.528 -0.004
C5H8 Ethenylcyclopropane 1.475 -0.004
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.344 -0.004
C6H5CN phenyl cyanide 1.396 -0.004
CHOCHCHCH3 2-Butenal 1.345 -0.004
C6H5CCH phenylacetylene 1.396 -0.004
C5H8 Spiropentane 1.482 -0.004
CH2CHF Ethene, fluoro- 1.329 -0.004
C8H8 cubane 1.571 -0.004
C3H4O Cyclopropanone 1.475 -0.004
C4H8O2 Ethyl acetate 1.508 -0.004
C4H4N2 Pyrazine 1.397 -0.004
C4H6 Bicyclo[1.1.0]butane 1.498 -0.004
C6H5CCH phenylacetylene 1.398 -0.003
CH3CSNH2 Ethanethioamide 1.512 -0.003
C6H5OH phenol 1.398 -0.003
C4H4N2 1,3-Diazine 1.393 -0.003
C4H8O2 Ethyl acetate 1.515 -0.003
C2Cl4 Tetrachloroethylene 1.354 -0.003
C3H4 cyclopropene 1.509 -0.003
CH3CHCHCH3 2-Butene, (Z)- 1.506 -0.003
CH2CHCHO Acrolein 1.341 -0.003
C2H3Br vinyl bromide 1.332 -0.003
C4H6 Cyclobutene 1.517 -0.003
C10H8 Azulene 1.398 -0.003
C4H6O Furan, 2,5-dihydro- 1.502 -0.003
C2H3Cl Ethene, chloro- 1.332 -0.003
C6H5CN phenyl cyanide 1.397 -0.003
C5H8 Cyclobutane, methylene- 1.557 -0.003
C6H6 Benzene 1.397 -0.002
C5H10O 2H-Pyran, tetrahydro- 1.531 -0.002
C5H11N Piperidine 1.531 -0.002
C2H4S Thiirane 1.484 -0.002
C2H2F2 Ethene, 1,2-difluoro-, (E)- 1.329 -0.002
C5H8 Cyclobutane, methylene- 1.331 -0.002
CHCCH2CH3 1-Butyne 1.217 -0.002
CH3CCH propyne 1.460 -0.002
CHOCHCHCH3 2-Butenal 1.470 -0.002
C3H3N acrylonitrile 1.339 -0.002
C4H4N2 Pyridazine 1.396 -0.002
HCCCN Cyanoacetylene 1.376 -0.002
C6H4Cl2 1,4-dichlorobenzene 1.394 -0.002
CH3CONH2 Acetamide 1.519 -0.001
C6H5CH3 toluene 1.395 -0.001
CH2CCH2 allene 1.308 -0.001
C5H8O 2H-Pyran, 3,4-dihydro- 1.530 -0.001
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.501 -0.001
C10H8 naphthalene 1.420 -0.001
C6H5CH3 toluene 1.395 -0.001
C2H5Br Ethyl bromide 1.518 -0.001
CH2CS Thioketene 1.314 -0.001
C2H5N Aziridine 1.481 -0.001
C10H8 Azulene 1.405 -0.001
C4H5NO 3-Methylisoxazole 1.362 -0.001
CH2CHCH2F Allyl Fluoride 1.333 -0.001
CH3CHCHCH3 2-Butene, (Z)- 1.346 -0.001
C4H5N Pyrrole 1.417 -0.001
C6H6 Benzvalene 1.503 -0.001
C5H8 Bicyclo[2.1.0]pentane 1.528 -0.000
CH2CO Ketene 1.314 -0.000
C2H2ClF 1-chloro-1-fluoroethylene 1.327 -0.000
C4H6 Cyclobutene 1.566 -0.000
H2CCCCH2 Butatriene 1.318 -0.000
C5H8O Methyl cyclopropyl ketone 1.510 -0.000
C7H12 Norbornane 1.536 0.000
C3H8 Propane 1.526 0.000
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.507 0.000
C4H5N Pyrrole 1.382 0.000
CH3CH2O Ethoxy radical 1.521 0.000
CH3CN Acetonitrile 1.458 0.001
C6H4Cl2 1,3-dichlorobenzene 1.392 0.001
C5H10S 2H-Thiopyran, tetrahydro- 1.528 0.001
C5H8O 2H-Pyran, 3,4-dihydro- 1.338 0.001
CH3CH2CHO Propanal 1.523 0.001
C2H2+ acetylene cation 1.253 0.001
C5H8 Cyclopentene 1.540 0.001
C4H9N Pyrrolidine 1.534 0.002
CH3CH(CH3)CH3 Isobutane 1.525 0.002
CHCCH2CH3 1-Butyne 1.457 0.002
C5H7N Cyclobutanecarbonitrile 1.551 0.002
C3F6 hexafluoropropene 1.329 0.002
C6H6 Benzvalene 1.452 0.002
C2H3CCH 1-Buten-3-yne 1.215 0.002
C5H8 Ethenylcyclopropane 1.334 0.002
CH3CH2OH Ethanol 1.512 0.002
C7H8 Norbornadiene 1.530 0.003
C12H8 biphenylene 1.372 0.003
C3H2O3 vinylene carbonate 1.331 0.003
C2H5F fluoroethane 1.505 0.003
CH3CHO Acetaldehyde 1.501 0.003
CH2CHCHCH2 1,3-Butadiene 1.337 0.003
C5H5N Pyridine 1.390 0.003
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 1.324 0.003
C3H8O2 1,3-Propanediol 1.514 0.004
C6H6 Trimethylenecycopropane 1.330 0.004
C4H6 Cyclobutene 1.342 0.004
C3H6 Cyclopropane 1.501 0.004
C6H5CH3 toluene 1.394 0.004
C3H2N2 Malononitrile 1.459 0.004
C3H4 cyclopropene 1.296 0.004
C5H6 Propellane 1.596 0.004
C6H6 Trimethylenecycopropane 1.437 0.004
C2H4O Ethylene oxide 1.459 0.005
C4 Carbon tetramer 1.304 0.005
CH2CHCHO Acrolein 1.468 0.005
C6H6 Benzvalene 1.339 0.005
C5H8O 2H-Pyran, 3,4-dihydro- 1.516 0.005
C4H2O3 Maleic Anhydride 1.332 0.005
C6H4Cl2 1,4-dichlorobenzene 1.388 0.005
C5H4O2 4-Cyclopentene-1,3-dione 1.341 0.005
CH2CHCH2CH3 1-Butene 1.493 0.005
C7H8 Norbornadiene 1.336 0.005
C6H4Cl2 1,3-dichlorobenzene 1.388 0.005
CH3CH2Cl Ethyl chloride 1.510 0.005
CHF2CHF2 1,1,2,2-tetrafluoroethane 1.511 0.005
CH3COCH2CH3 2-Butanone 1.512 0.005
CH3CHF2 Ethane, 1,1-difluoro- 1.498 0.005
C10H8 naphthalene 1.370 0.006
C10H8 naphthalene 1.420 0.006
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.330 0.006
C6H8 (Z)-hexa-1,3,5-triene 1.337 0.006
CH3CF3 Ethane, 1,1,1-trifluoro- 1.494 0.006
C3H3N acrylonitrile 1.426 0.006
HCCF Fluoroacetylene 1.198 0.006
C2H5CN ethyl cyanide 1.526 0.006
C10H8 naphthalene 1.410 0.006
C2F2 difluoroacetylene 1.187 0.007
CH3CCH propyne 1.207 0.007
CH3COCH2CH3 2-Butanone 1.507 0.007
CH2CHCH2F Allyl Fluoride 1.488 0.007
C4H4S Thiophene 1.370 0.007
CH2CCHCH3 1,2-Butadiene 1.301 0.007
C3H3NO Oxazole 1.353 0.007
CH2CCl2 Ethene, 1,1-dichloro- 1.324 0.007
CH2CHOH ethenol 1.326 0.007
C6H5NH2 aniline 1.392 0.007
C6H5Cl chlorobenzene 1.386 0.008
HCCCN Cyanoacetylene 1.206 0.009
C6H5CCH phenylacetylene 1.208 0.009
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.330 0.009
C2H2 Acetylene 1.203 0.009
C4H4N2 Pyridazine 1.375 0.009
CH(CN)3 tricyanomethane 1.460 0.009
C4H10O2 Ethane, 1,2-dimethoxy- 1.504 0.010
CH2CHCH3 Propene 1.488 0.010
HCCCl Chloroacetylene 1.203 0.010
C3H4N2 1H-Pyrazole 1.374 0.010
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.522 0.010
HCCBr bromoacetylene 1.204 0.010
C10H8 Azulene 1.377 0.011
C2H4F2 1,2-difluoroethane 1.493 0.011
C5H5N Bicyclo[1.1.0]butane-1-carbonitrile 1.498 0.012
C4H6 Methylenecyclopropane 1.332 0.013
ClCOClCO Oxalyl chloride 1.534 0.013
C6H5CN phenyl cyanide 1.388 0.013
C3H4N2 1H-Imidazole 1.364 0.013
C5H5N Bicyclo[1.1.0]butane-1-carbonitrile 1.398 0.013
CH3CH(NH2)COOH Alanine 1.509 0.013
C2F4 Tetrafluoroethylene 1.311 0.013
HOCH2COOH Hydroxyacetic acid 1.495 0.014
C4H2 Diacetylene 1.205 0.014
C6H5CCH phenylacetylene 1.388 0.015
CH2ClCCCl 1,3-dichloropropyne 1.201 0.015
C10H8 Azulene 1.484 0.016
C6H5Br bromobenzene 1.375 0.019
C2 Carbon diatomic 1.243 0.019
SiC2 Silicon dicarbide 1.265 0.020
CHClCHCl Ethene, 1,2-dichloro-, (Z)- 1.317 0.021
C12H8 biphenylene 1.370 0.023
C3 carbon trimer 1.277 0.023
C3O2 Carbon suboxide 1.251 0.023
C5H8 Bicyclo[2.1.0]pentane 1.507 0.024
C5H8O Cyclopentanone 1.504 0.025
C4H6O2 2,3-Butanedione 1.507 0.030
C4N2 2-Butynedinitrile 1.190 0.035
C4H6 1-Methylcyclopropene 1.300 0.208
C3H6O 2-Propen-1-ol 1.337 0.592
C4H6 1-Methylcyclopropene 1.476 0.777