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Compare Bonds

18 10 26 16 45

QCISD/3-21G 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
-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 C4H10O Methyl propyl ether-0.430
Most positive difference C3H7N Cyclopropylamine1.009

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C4H10O Methyl propyl ether 1.530 -0.430
C4H6 1-Methylcyclopropene 1.515 -0.425
CH2ClCHCl2 1,1,2-trichloroethane 1.580 -0.064
C2Cl2 dichloroacetylene 1.246 -0.040
CH3CCl3 Ethane, 1,1,1-trichloro- 1.550 -0.030
C3H5 Allyl radical 1.428 -0.029
CHClCHCl Ethene, 1,2-dichloro-, (E)- 1.354 -0.028
C3H3NO Isoxazole 1.356 -0.025
C4H5N Cyclopropanecarbonitrile 1.472 -0.023
C3F8 perfluoropropane 1.546 -0.022
C6H5Br bromobenzene 1.420 -0.021
C5H10 2-Pentene, (E)- 1.576 -0.021
C3F6 hexafluoropropene 1.513 -0.021
CF2CCl2 difluorodichloroethylene 1.345 -0.020
C3H5ClO Oxirane, (chloromethyl)- 1.523 -0.018
CH3CHCl2 Ethane, 1,1-dichloro- 1.540 -0.017
CF3COOH trifluoroacetic acid 1.546 -0.014
CH2CF2 Ethene, 1,1-difluoro- 1.340 -0.014
C2HF3 Trifluoroethylene 1.341 -0.014
CHClCCl2 Trichloroethylene 1.337 -0.012
CH2ClCH2Cl Ethane, 1,2-dichloro- 1.531 -0.009
CH2CHCH3 Propene 1.353 -0.009
C5H6 Bicyclo[2.1.0]pent-2-ene 1.560 -0.008
C4H4S Thiophene 1.370 -0.008
C6H4Cl2 1,3-dichlorobenzene 1.404 -0.007
C9H8 Indene 1.415 -0.006
C4H6O Furan, 2,5-dihydro- 1.347 -0.006
C6H5Cl chlorobenzene 1.402 -0.006
C4H6 Methylenecyclopropane 1.332 -0.005
C5H8 Cyclopentene 1.350 -0.005
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.344 -0.004
H2CCCCH2 Butatriene 1.283 -0.004
CH3CHCHCH3 2-Butene, (E)- 1.347 -0.003
C6H8 1,4-Cyclohexadiene 1.347 -0.003
C6H5CN phenyl cyanide 1.451 -0.003
C4H6O2 2,3-Butanedione 1.527 -0.003
C2N2 Cyanogen 1.389 -0.002
C3F6 hexafluoropropene 1.329 -0.001
C5H8 Bicyclo[2.1.0]pentane 1.536 -0.001
H2NCH2COOH Glycine 1.532 -0.001
C2H2ClF 1-chloro-1-fluoroethylene 1.327 -0.001
C5H8O Cyclopentanone 1.557 -0.000
C2H3Cl Ethene, chloro- 1.332 -0.000
C6H6 Fulvene 1.349 0.000
CH2CS Thioketene 1.314 0.000
C10H8 Azulene 1.407 0.000
C5H10 2-Pentene, (Z)- 1.561 0.001
CH3CHCHCH3 2-Butene, (Z)- 1.346 0.001
C5H6 1,3-Cyclopentadiene 1.540 0.001
CHOCHCHCH3 2-Butenal 1.345 0.001
CH2ClCH2CH2CH3 Butane, 1-chloro- 1.533 0.001
CHCCH2CH3 1-Butyne 1.217 0.001
C4H6S Thiophene, 2,5-dihydro- 1.340 0.002
C2H2F2 Ethene, 1,2-difluoro-, (E)- 1.329 0.002
C2H6O2 1,2-Ethanediol 1.530 0.002
C2H2O4 Oxalic Acid 1.544 0.002
C5H9N Pentanenitrile 1.478 0.002
CH2CHCH2CH3 1-Butene 1.342 0.002
C2H3Br vinyl bromide 1.332 0.002
C3H8O2 Propylene glycol 1.540 0.002
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.344 0.002
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.481 0.003
CH3CHClCH2CH3 Butane, 2-chloro- 1.534 0.003
C2H2O2 Ethanedial 1.526 0.003
CH3COOH Acetic acid 1.517 0.003
CH2CCl2 Ethene, 1,1-dichloro- 1.324 0.003
CH2CHCHClCH3 1-Butene, 3-chloro- 1.503 0.004
CH3CCl2CH3 Propane, 2,2-dichloro- 1.523 0.004
C6H5CCH phenylacetylene 1.448 0.004
C12H8 biphenylene 1.372 0.004
CH2CHF Ethene, fluoro- 1.329 0.004
CH3CCCH3 2-Butyne 1.214 0.004
C5H8 Cyclobutane, methylene- 1.331 0.004
C10H8 Azulene 1.414 0.004
C4H4O Furan 1.361 0.005
CH2SHCH2SH 1,2-Ethanedithiol 1.530 0.005
C6H4Cl2 1,3-dichlorobenzene 1.392 0.005
C4H5N Pyrrole 1.382 0.005
C5H8 1,4-Pentadiene 1.339 0.005
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.339 0.005
C2H3CCH 1-Buten-3-yne 1.215 0.005
CH2ClCCCl 1,3-dichloropropyne 1.456 0.005
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.469 0.005
C2H4 Ethylene 1.339 0.005
ClCOClCO Oxalyl chloride 1.534 0.005
CH2CO Ketene 1.314 0.005
C5H8O 2H-Pyran, 3,4-dihydro- 1.338 0.005
C6H10 cyclohexene 1.340 0.005
C3H6O 2-Propen-1-ol 1.337 0.006
C2H3CCH 1-Buten-3-yne 1.344 0.006
C4H4N2 Pyrazine 1.397 0.006
C6H5Br bromobenzene 1.401 0.006
CH2CHCHCH2 1,3-Butadiene 1.476 0.006
CH3COCl Acetyl Chloride 1.506 0.007
C6H6 Trimethylenecycopropane 1.330 0.007
CH2CHCHO Acrolein 1.339 0.007
C4H6S Thiophene, 2,5-dihydro- 1.518 0.007
C6H6 Fulvene 1.355 0.007
CH2CHCHClCH3 1-Butene, 3-chloro- 1.337 0.007
C4H4N2 Succinonitrile 1.561 0.007
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 1.324 0.007
C3H6O Propylene oxide 1.513 0.007
CH2CHCH2F Allyl Fluoride 1.333 0.007
CH3CHS Thioacetaldehyde 1.506 0.007
C5H6 Cyclopropylacetylene 1.211 0.008
C5H4O2 4-Cyclopentene-1,3-dione 1.341 0.008
C6H5CH2CH3 Ethylbenzene 1.524 0.008
C3H2O3 vinylene carbonate 1.331 0.009
CH2ClCHO chloroacetaldehyde 1.521 0.009
HCCCl Chloroacetylene 1.203 0.009
CHF2CHF2 1,1,2,2-tetrafluoroethane 1.511 0.009
C6H4Cl2 1,4-dichlorobenzene 1.388 0.009
C5H10 2-Pentene, (Z)- 1.338 0.009
C3H3N acrylonitrile 1.339 0.009
C6H5Cl chlorobenzene 1.399 0.009
C2H4S Thiirane 1.484 0.009
C10H8 Azulene 1.398 0.009
HCCBr bromoacetylene 1.204 0.009
C6H5CN phenyl cyanide 1.396 0.009
C6H5CCH phenylacetylene 1.398 0.010
C5H4O2 4-Cyclopentene-1,3-dione 1.509 0.010
C6H5CCH phenylacetylene 1.396 0.010
C2H Ethynyl radical 1.217 0.010
C5H10 2-Pentene, (E)- 1.334 0.010
HCCF Fluoroacetylene 1.198 0.010
C2F2 difluoroacetylene 1.187 0.010
CHClCHCl Ethene, 1,2-dichloro-, (Z)- 1.317 0.010
CH2ClCCCl 1,3-dichloropropyne 1.201 0.010
C(CN)4 tetracyanomethane 1.484 0.010
C6H5CN phenyl cyanide 1.397 0.010
C5H6 1-Buten-3-yne, 2-methyl- 1.445 0.010
C6H10O cyclohexanone 1.545 0.010
C10H8 naphthalene 1.420 0.011
CH3CCH propyne 1.207 0.011
C6H5CCH phenylacetylene 1.208 0.011
C6H5F Fluorobenzene 1.397 0.011
C4H2O3 Maleic Anhydride 1.332 0.011
C6H5CH2CH3 Ethylbenzene 1.399 0.011
C6H6 Benzene 1.397 0.011
C6H6 Benzvalene 1.339 0.011
C6H5F Fluorobenzene 1.395 0.011
CH2ClCH2CH3 Propane, 1-chloro- 1.525 0.011
HCCCN Cyanoacetylene 1.376 0.011
C2H5NO3 Nitric acid, ethyl ester 1.528 0.011
C5H8 Ethenylcyclopropane 1.334 0.011
C2H3 vinyl 1.316 0.012
CH3COF Acetyl fluoride 1.503 0.012
C6H5CH3 toluene 1.395 0.012
C4H5N (E)-2-Butenenitrile 1.336 0.012
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.528 0.012
CH2CCH2 allene 1.308 0.012
C6H5CH3 toluene 1.395 0.012
HCCCN Cyanoacetylene 1.206 0.012
C10H8 naphthalene 1.370 0.012
C4H5N (E)-2-Butenenitrile 1.432 0.012
CH2CHCHCH2 1,3-Butadiene 1.337 0.013
C5H6 1-Buten-3-yne, 2-methyl- 1.207 0.013
C7H8 Norbornadiene 1.336 0.013
C12H8 biphenylene 1.428 0.013
C2H5CN ethyl cyanide 1.468 0.013
C5H10 Cyclopropane, 1,1-dimethyl- 1.520 0.013
C6H4Cl2 1,4-dichlorobenzene 1.394 0.014
C4H4N2 Succinonitrile 1.465 0.014
CH3CF3 Ethane, 1,1,1-trifluoro- 1.494 0.014
H2CCCCH2 Butatriene 1.318 0.014
C5H6 1-Buten-3-yne, 2-methyl- 1.336 0.014
CH3CHClCH3 Propane, 2-chloro- 1.522 0.014
C2H2+ acetylene cation 1.253 0.014
C2H8N2 Ethylenediamine 1.545 0.014
C6H5F Fluorobenzene 1.383 0.015
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.330 0.015
C4H6 Cyclobutene 1.342 0.015
C2H2 Acetylene 1.203 0.015
CH2CHOH ethenol 1.326 0.015
C3H4N2 1H-Pyrazole 1.374 0.015
C10H8 Azulene 1.405 0.016
CH3CH2SH ethanethiol 1.528 0.016
C3H7SH 1-Propanethiol 1.529 0.016
CH3CSNH2 Ethanethioamide 1.512 0.016
C4H5N Cyclopropanecarbonitrile 1.513 0.016
CH2CHCHClCH3 1-Butene, 3-chloro- 1.522 0.016
C7H12 Norbornane 1.573 0.016
CH3CH(NH2)COOH Alanine 1.544 0.016
C6H5CH3 toluene 1.394 0.016
C3H3NO Oxazole 1.353 0.016
C4H8O2 Ethyl acetate 1.508 0.016
C5H10 Cyclopropane, 1,1-dimethyl- 1.514 0.016
C3H4N2 1H-Pyrazole 1.417 0.016
C2H3CCH 1-Buten-3-yne 1.434 0.017
C12H8 biphenylene 1.432 0.017
C5H10 Cyclopentane 1.546 0.017
C5H12 Propane, 2,2-dimethyl- 1.537 0.017
CH3CHFCH3 2-Fluoropropane 1.521 0.017
CH3COCH3 Acetone 1.520 0.017
C3H4 cyclopropene 1.296 0.017
C5H6 1,3-Cyclopentadiene 1.340 0.017
C5H9N Pentanenitrile 1.536 0.017
C10H16 adamantane 1.540 0.018
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.508 0.018
C3H6O 2-Propen-1-ol 1.502 0.018
CHCCH2CH3 1-Butyne 1.544 0.018
C5H8 Ethenylcyclopropane 1.475 0.018
F2CCCF2 tetrafluoroallene 1.282 0.018
C5H6 Cyclopropylacetylene 1.527 0.018
C2 Carbon diatomic 1.243 0.018
C6H8 1,4-Cyclohexadiene 1.511 0.018
C3H5ClO Oxirane, (chloromethyl)- 1.475 0.018
C5H5N Bicyclo[1.1.0]butane-1-carbonitrile 1.514 0.018
CH3CHCHCH3 2-Butene, (E)- 1.508 0.019
C10H8 naphthalene 1.420 0.019
C3H6S Thietane 1.549 0.019
CH3CN Acetonitrile 1.458 0.020
C6H4Cl2 1,3-dichlorobenzene 1.388 0.020
CH3OC2H5 Ethane, methoxy- 1.521 0.020
C3H4N2 1H-Imidazole 1.364 0.020
C7H12 Norbornane 1.546 0.020
C5H5N Bicyclo[1.1.0]butane-1-carbonitrile 1.398 0.020
C3H7SH 1-Propanethiol 1.536 0.020
C7H16 heptane 1.534 0.020
C5H5N Bicyclo[1.1.0]butane-1-carbonitrile 1.518 0.020
C6H10O cyclohexanone 1.542 0.020
CHOCHCHCH3 2-Butenal 1.470 0.021
C2H5Br Ethyl bromide 1.518 0.021
C5H8 1,4-Pentadiene 1.511 0.021
CHOCHCHCH3 2-Butenal 1.501 0.021
C10H8 Azulene 1.377 0.021
C5H8O 2H-Pyran, 3,4-dihydro- 1.510 0.021
C3H3N acrylonitrile 1.426 0.021
C5H8 Ethenylcyclopropane 1.522 0.021
C6H5CH3 toluene 1.513 0.021
CH3CCCH3 2-Butyne 1.468 0.021
C4H10O Propane, 2-methoxy- 1.528 0.021
C2H6 Ethane 1.536 0.021
CH3CHF2 Ethane, 1,1-difluoro- 1.498 0.022
C4H5N (E)-2-Butenenitrile 1.501 0.022
CH3CONH2 Acetamide 1.519 0.022
C5H8 Cyclopentene 1.518 0.022
CH3CH2CHO Propanal 1.509 0.022
C6H5Cl chlorobenzene 1.386 0.022
CH3CHCHCH3 2-Butene, (Z)- 1.506 0.022
C5H8O Methyl cyclopropyl ketone 1.510 0.022
C4H8O2 1,3-Dioxane 1.528 0.022
C2H5I Ethyl iodide 1.521 0.022
C4H8O2 Ethyl acetate 1.515 0.022
CH2CHCHO Acrolein 1.479 0.023
C6H10 cyclohexene 1.510 0.023
C3O2 Carbon suboxide 1.251 0.023
C5H12 Pentane 1.531 0.023
CH3CH2CH2CH3 Butane 1.531 0.023
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.507 0.024
C3H2N2 Malononitrile 1.459 0.024
CH3CH2O Ethoxy radical 1.521 0.024
C4H10O Ethoxy ethane 1.517 0.024
C3H4O Cyclopropanone 1.475 0.024
CH3CHSHCH3 2-Propanethiol 1.520 0.024
C6H5CN phenyl cyanide 1.388 0.025
CH3CH2Cl Ethyl chloride 1.510 0.025
C6H10 cyclohexene 1.530 0.025
CH2CHCH2CH3 1-Butene 1.536 0.025
C10H8 naphthalene 1.410 0.025
C6H5CH2CH3 Ethylbenzene 1.535 0.025
CH3CH2CHO Propanal 1.523 0.026
C6H5CCH phenylacetylene 1.388 0.026
C12H8 biphenylene 1.524 0.026
C12H8 biphenylene 1.370 0.026
C6H12 Cyclohexane 1.530 0.026
C3H6O Propylene oxide 1.471 0.027
CH3CH2NH2 Ethylamine 1.531 0.027
C6H10 cyclohexene 1.530 0.027
C4H4Se selenophene 1.433 0.028
CH3CCH propyne 1.460 0.028
C7H8 Norbornadiene 1.557 0.028
CH3CH2OH Ethanol 1.512 0.029
C5H6 Cyclopropylacetylene 1.503 0.029
CH(CN)3 tricyanomethane 1.460 0.029
C4H10O2 Ethane, 1,2-dimethoxy- 1.504 0.029
C5H10S 2H-Thiopyran, tetrahydro- 1.528 0.029
C3H8O2 1,3-Propanediol 1.514 0.029
CHOCH(CH3)CH3 Propanal, 2-methyl- 1.528 0.029
CH3CH(CH3)CH3 Isobutane 1.525 0.029
SiC2 Silicon dicarbide 1.265 0.029
C3H8 Propane 1.526 0.030
CH3CHO Acetaldehyde 1.501 0.030
C5H8O 2H-Pyran, 3,4-dihydro- 1.530 0.030
C4H10O Propane, 2-methoxy- 1.519 0.030
C5H6 Bicyclo[2.1.0]pent-2-ene 1.530 0.030
C7H12 Norbornane 1.536 0.030
C6H6 Benzvalene 1.503 0.030
C4 Carbon tetramer 1.304 0.031
C2H2N2O Furazan 1.421 0.031
C3H4O Cyclopropanone 1.575 0.031
C4H6 Bicyclo[1.1.0]butane 1.497 0.032
C6H5Br bromobenzene 1.375 0.032
CH2CHCH2F Allyl Fluoride 1.488 0.032
C4H6O Furan, 2,5-dihydro- 1.502 0.032
C5H8O 2H-Pyran, 3,4-dihydro- 1.516 0.032
C4H6O Cyclobutanone 1.556 0.032
C4H5N Pyrrole 1.417 0.032
C5H8 Cyclobutane, methylene- 1.524 0.032
HOCH2COOH Hydroxyacetic acid 1.495 0.032
C2H5F fluoroethane 1.505 0.033
CHCCH2CH3 1-Butyne 1.457 0.033
C5H6 1-Buten-3-yne, 2-methyl- 1.501 0.033
C2H4F2 1,2-difluoroethane 1.501 0.033
C4H8 cyclobutane 1.555 0.033
CH2CHCH2CH3 1-Butene 1.493 0.034
C6H10O cyclohexanone 1.503 0.034
C5H6 Cyclopropylacetylene 1.422 0.035
C5H8 Bicyclo[2.1.0]pentane 1.528 0.035
CH3CH(NH2)COOH Alanine 1.509 0.035
C3H6 Cyclopropane 1.501 0.035
C2H5CN ethyl cyanide 1.526 0.036
C4H4O Furan 1.431 0.036
C6H6 Fulvene 1.470 0.036
C6H6 Benzvalene 1.529 0.037
C2H5N Aziridine 1.481 0.037
C5H5N Bicyclo[1.1.0]butane-1-carbonitrile 1.498 0.037
C4H6 Methylenecyclopropane 1.542 0.037
C6H6 Fulvene 1.476 0.038
C4H6 Bicyclo[1.1.0]butane 1.498 0.038
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.522 0.038
C7H8 Norbornadiene 1.530 0.038
C4H6O2 2,3-Butanedione 1.507 0.038
C8H8 cubane 1.571 0.038
C5H10 2-Pentene, (Z)- 1.490 0.038
C4H6 Methylenecyclopropane 1.457 0.039
CH2CHCH3 Propene 1.488 0.039
C5H8 Bicyclo[2.1.0]pentane 1.565 0.040
C5H8 Cyclobutane, methylene- 1.557 0.040
C4H9N Pyrrolidine 1.534 0.040
C4H4S Thiophene 1.423 0.040
C5H8 Cyclopentene 1.540 0.040
C2H4O Ethylene oxide 1.459 0.041
C5H8 Bicyclo[1.1.1]pentane 1.557 0.041
C5H7N Cyclobutanecarbonitrile 1.551 0.041
C6H6 Trimethylenecycopropane 1.437 0.043
C4H6 Cyclobutene 1.517 0.044
C3H4 cyclopropene 1.509 0.045
C5H6 1,3-Cyclopentadiene 1.460 0.045
C5H6 Propellane 1.525 0.045
C6H6 Benzvalene 1.452 0.046
C10H8 Azulene 1.484 0.046
C5H10 2-Pentene, (E)- 1.484 0.047
C4H6O Cyclobutanone 1.527 0.048
C5H8O Cyclopentanone 1.504 0.053
C4H6 Cyclobutene 1.566 0.053
C5H8 Bicyclo[2.1.0]pentane 1.507 0.065
C5H6 Propellane 1.596 0.112
C4H6 1-Methylcyclopropene 1.300 0.256
C4H6 1-Methylcyclopropene 1.476 0.816
C3H7N Cyclopropylamine 1.520 1.009