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Compare Bonds

18 10 26 16 45

MP2=FULL/6-31G** 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
-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-0.441
Most positive difference C4H6 1-Methylcyclopropene0.775

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C4H10O Methyl propyl ether 1.530 -0.441
C4H6 1-Methylcyclopropene 1.515 -0.428
CH2ClCHCl2 1,1,2-trichloroethane 1.580 -0.065
CH3CHNOH Acetaldoxime 1.550 -0.060
C5H10 2-Pentene, (E)- 1.576 -0.055
C3H5 Allyl radical 1.428 -0.052
C5H6 Bicyclo[2.1.0]pent-2-ene 1.560 -0.048
C5H6 1,3-Cyclopentadiene 1.540 -0.042
C5H8 Bicyclo[2.1.0]pentane 1.536 -0.040
CH3CCl3 Ethane, 1,1,1-trichloro- 1.550 -0.037
C2H Ethynyl radical 1.217 -0.037
C5H8 Spiropentane 1.557 -0.034
C4H5N Cyclopropanecarbonitrile 1.472 -0.033
C5H10 2-Pentene, (Z)- 1.561 -0.033
C2F6 hexafluoroethane 1.560 -0.032
CH3CHCl2 Ethane, 1,1-dichloro- 1.540 -0.031
C2Cl2 dichloroacetylene 1.246 -0.031
C5H8O Cyclopentanone 1.557 -0.030
C2H3 vinyl 1.316 -0.029
C3H3NO Isoxazole 1.356 -0.029
C6H5Br bromobenzene 1.420 -0.027
C4H6O2 2,3-Butanedione 1.527 -0.026
C3H5ClO Oxirane, (chloromethyl)- 1.523 -0.025
C3F6 hexafluoropropene 1.513 -0.025
C3H8O2 Propylene glycol 1.540 -0.022
C3H7N Cyclopropylamine 1.520 -0.022
CH2CHCHCH2 1,3-Butadiene 1.476 -0.021
CHClCHCl Ethene, 1,2-dichloro-, (E)- 1.354 -0.021
C5H4O2 4-Cyclopentene-1,3-dione 1.509 -0.021
C4H6S Thiophene, 2,5-dihydro- 1.518 -0.020
C4H5N Cyclopropanecarbonitrile 1.513 -0.020
C2H6O2 1,2-Ethanediol 1.530 -0.020
C5H6 Bicyclo[2.1.0]pent-2-ene 1.530 -0.020
CH2ClCH2Cl Ethane, 1,2-dichloro- 1.531 -0.019
C6H10O cyclohexanone 1.545 -0.019
C7H12 Norbornane 1.573 -0.019
C6H5CH2CH3 Ethylbenzene 1.524 -0.019
C12H8 biphenylene 1.524 -0.019
CH2ClCH2CH2CH3 Butane, 1-chloro- 1.533 -0.019
C2H2N2O Furazan 1.421 -0.018
CH3CHClCH2CH3 Butane, 2-chloro- 1.534 -0.018
C5H10 Cyclopropane, 1,1-dimethyl- 1.520 -0.018
C6H5CCH phenylacetylene 1.448 -0.018
C2H5NO3 Nitric acid, ethyl ester 1.528 -0.018
CH2CHCH3 Propene 1.353 -0.017
CH3COOH Acetic acid 1.517 -0.017
H2NCH2COOH Glycine 1.532 -0.017
CH2CF2 Ethene, 1,1-difluoro- 1.340 -0.017
C6H5CN phenyl cyanide 1.451 -0.017
C5H10 Cyclopentane 1.546 -0.017
C9H8 Indene 1.415 -0.016
C2H8N2 Ethylenediamine 1.545 -0.016
C3F8 perfluoropropane 1.546 -0.016
C5H6 Cyclopropylacetylene 1.527 -0.015
CF3COOH trifluoroacetic acid 1.546 -0.015
C3H6S Thietane 1.549 -0.015
CHCCH2CH3 1-Butyne 1.544 -0.015
C3H5ClO Oxirane, (chloromethyl)- 1.475 -0.015
C2H6 Ethane 1.536 -0.014
C3H6O Propylene oxide 1.513 -0.014
C2H2O2 Ethanedial 1.526 -0.014
C12H8 biphenylene 1.428 -0.014
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.481 -0.014
C3H7SH 1-Propanethiol 1.536 -0.013
C12H10 biphenyl 1.489 -0.013
C2HF3 Trifluoroethylene 1.341 -0.013
C4H4Se selenophene 1.433 -0.013
C3H4N2 1H-Pyrazole 1.417 -0.013
C4H8 cyclobutane 1.555 -0.013
C4H6O Furan, 2,5-dihydro- 1.347 -0.013
C7H12 Norbornane 1.546 -0.013
C5H8 Ethenylcyclopropane 1.522 -0.013
C12H8 biphenylene 1.432 -0.012
CH2SHCH2SH 1,2-Ethanedithiol 1.530 -0.012
CH3CHS Thioacetaldehyde 1.506 -0.012
C5H6 1-Buten-3-yne, 2-methyl- 1.445 -0.012
C5H6 Propellane 1.525 -0.012
C6H8 1,4-Cyclohexadiene 1.511 -0.012
CH2CHCHClCH3 1-Butene, 3-chloro- 1.503 -0.012
CH2CCHCH3 1,2-Butadiene 1.515 -0.012
C5H8 Cyclopentene 1.518 -0.012
CH3CHCHCH3 2-Butene, (E)- 1.508 -0.012
C10H8 Azulene 1.414 -0.012
C6H4Cl2 1,3-dichlorobenzene 1.404 -0.011
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.508 -0.011
C5H8 Bicyclo[1.1.1]pentane 1.557 -0.011
CH3OC2H5 Ethane, methoxy- 1.521 -0.011
CH2ClCH2CH3 Propane, 1-chloro- 1.525 -0.011
CH3CCl(CH3)CH3 Propane, 2-chloro-2-methyl- 1.530 -0.011
C2H2O4 Oxalic Acid 1.544 -0.011
CH3CHFCH3 2-Fluoropropane 1.521 -0.011
C5H8 1,3-Butadiene, 2-methyl- 1.512 -0.010
C5H8 Cyclopentene 1.350 -0.010
C7H16 heptane 1.534 -0.010
C10H8 Azulene 1.407 -0.010
C5H12 Propane, 2,2-dimethyl- 1.537 -0.010
CH3CH2SH ethanethiol 1.528 -0.010
CH3SCH2CH3 Ethane, (methylthio)- 1.530 -0.010
C3H6O 2-Propen-1-ol 1.502 -0.010
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.469 -0.010
C6F6 hexafluorobenzene 1.401 -0.010
CHOCHCHCH3 2-Butenal 1.501 -0.010
CH3CH(NH2)COOH Alanine 1.544 -0.010
C4H5N (E)-2-Butenenitrile 1.501 -0.010
CH3COF Acetyl fluoride 1.503 -0.009
CF2CCl2 difluorodichloroethylene 1.345 -0.009
C5H8 1,4-Pentadiene 1.511 -0.009
C6H6 Benzvalene 1.529 -0.009
CH3CHCHCH3 2-Butene, (E)- 1.347 -0.009
H2CCCCH2 Butatriene 1.283 -0.009
CH3COCH3 Acetone 1.520 -0.009
C5H8 Cyclobutane, methylene- 1.524 -0.009
C6H5Cl chlorobenzene 1.402 -0.009
CH3CCl2CH3 Propane, 2,2-dichloro- 1.523 -0.009
CH3CHCHCH3 2-Butene, (Z)- 1.506 -0.009
C6H8 1,4-Cyclohexadiene 1.347 -0.009
C5H6 Cyclopropylacetylene 1.503 -0.009
C6H10O cyclohexanone 1.542 -0.009
C6H6 Fulvene 1.476 -0.009
C3H4O Cyclopropanone 1.575 -0.009
C10H16 adamantane 1.540 -0.008
CH2CHCH2CH3 1-Butene 1.536 -0.008
C7H8 Norbornadiene 1.557 -0.008
C3H7SH 1-Propanethiol 1.529 -0.008
CH3COCl Acetyl Chloride 1.506 -0.008
C5H8 Bicyclo[2.1.0]pentane 1.565 -0.008
C8H8 cubane 1.571 -0.008
C2N2 Cyanogen 1.389 -0.008
C3H6O Propylene oxide 1.471 -0.008
C5H8 Cyclobutane, methylene- 1.557 -0.008
C4H8O2 1,3-Dioxane 1.528 -0.008
C6H10 cyclohexene 1.510 -0.008
C5H8 1,2-Butadiene, 3-methyl- 1.514 -0.008
C4H6 Methylenecyclopropane 1.332 -0.008
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.528 -0.007
CH3CH2CH2CH3 Butane 1.531 -0.007
C5H12 Pentane 1.531 -0.007
C2H3CCH 1-Buten-3-yne 1.434 -0.007
CH3CHClCH3 Propane, 2-chloro- 1.522 -0.007
CH3CH2NH2 Ethylamine 1.531 -0.007
C4H6 Methylenecyclopropane 1.542 -0.007
C4H6O Cyclobutanone 1.556 -0.007
CH2ClCHO chloroacetaldehyde 1.521 -0.007
C4H6 Bicyclo[1.1.0]butane 1.498 -0.007
C4H8O2 Ethyl acetate 1.515 -0.007
CH3CCCH3 2-Butyne 1.468 -0.007
C6H5CH2CH3 Ethylbenzene 1.535 -0.007
C2H5Br Ethyl bromide 1.518 -0.006
C6H5Br bromobenzene 1.401 -0.006
C4H10O Ethoxy ethane 1.517 -0.006
C4H10O Propane, 2-methoxy- 1.528 -0.006
C3H4O Cyclopropanone 1.475 -0.006
C4H6 Cyclobutene 1.517 -0.006
CH3CONH2 Acetamide 1.519 -0.006
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.507 -0.006
C5H10 Cyclopropane, 1,1-dimethyl- 1.514 -0.006
CH2CHCH2CH3 1-Butene 1.342 -0.006
C6H10 cyclohexene 1.530 -0.006
CH2ClCCCl 1,3-dichloropropyne 1.456 -0.006
C5H8 Spiropentane 1.482 -0.005
CH3CH2CHO Propanal 1.523 -0.005
C4H4S Thiophene 1.423 -0.005
CH3CHCHCH3 2-Butene, (Z)- 1.346 -0.005
C3H4 cyclopropene 1.509 -0.005
C2H4 Ethylene 1.339 -0.005
C2H4S Thiirane 1.484 -0.005
C4H8O2 Ethyl acetate 1.508 -0.005
C(CN)4 tetracyanomethane 1.484 -0.005
C4H2 Diacetylene 1.378 -0.005
C6H5Cl chlorobenzene 1.399 -0.005
CH3CSNH2 Ethanethioamide 1.512 -0.005
C2H5CN ethyl cyanide 1.468 -0.005
CH3CH2CHO Propanal 1.509 -0.005
C4H6O Furan, 2,5-dihydro- 1.502 -0.005
C4H6S Thiophene, 2,5-dihydro- 1.340 -0.005
CH2CHCHClCH3 1-Butene, 3-chloro- 1.522 -0.005
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.344 -0.004
C6H6 Fulvene 1.470 -0.004
C6H10 cyclohexene 1.530 -0.004
CHOCHCHCH3 2-Butenal 1.470 -0.004
CH3CH2O Ethoxy radical 1.521 -0.004
C6H5CN phenyl cyanide 1.396 -0.004
C6H5CCH phenylacetylene 1.396 -0.004
C4H6 Cyclobutene 1.566 -0.004
C5H6 Propellane 1.596 -0.004
C5H8 Bicyclo[2.1.0]pentane 1.528 -0.004
C3H8 Propane 1.526 -0.004
C2H5N Aziridine 1.481 -0.003
C6H5CCH phenylacetylene 1.398 -0.003
C4H4N2 Pyrazine 1.397 -0.003
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.344 -0.003
C5H8 Ethenylcyclopropane 1.475 -0.003
C10H8 naphthalene 1.420 -0.003
C5H8 1,4-Pentadiene 1.339 -0.003
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.339 -0.003
CH2CHF Ethene, fluoro- 1.329 -0.003
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.501 -0.003
CHOCHCHCH3 2-Butenal 1.345 -0.002
C8H8 cyclooctatetraene 1.470 -0.002
C4H5N (E)-2-Butenenitrile 1.432 -0.002
C5H7N Cyclobutanecarbonitrile 1.551 -0.002
C6H6 Benzene 1.397 -0.002
C6H5CN phenyl cyanide 1.397 -0.002
CH2CCHCH3 1,2-Butadiene 1.314 -0.002
C5H8O Methyl cyclopropyl ketone 1.510 -0.002
C6H5F Fluorobenzene 1.397 -0.002
C3H6O 2-Propen-1-ol 1.337 -0.002
C4H6 Bicyclo[1.1.0]butane 1.497 -0.002
C2H3CCH 1-Buten-3-yne 1.344 -0.002
C10H8 Azulene 1.405 -0.002
CH3CH2OH Ethanol 1.512 -0.002
C6H4Cl2 1,4-dichlorobenzene 1.394 -0.002
C5H10S 2H-Thiopyran, tetrahydro- 1.528 -0.002
C6H6 Benzvalene 1.503 -0.002
C4H9N Pyrrolidine 1.534 -0.002
C6H6 Benzvalene 1.452 -0.001
CH2ClCHClCH3 Propane, 1,2-dichloro- 1.519 -0.001
CH2CHCHClCH3 1-Butene, 3-chloro- 1.337 -0.001
C10H8 Azulene 1.398 -0.001
C2H3Br vinyl bromide 1.332 -0.001
HCCCN Cyanoacetylene 1.376 -0.001
CH2CHCHO Acrolein 1.341 -0.001
C5H8 Cyclopentene 1.540 -0.001
C6H6 Fulvene 1.349 -0.001
C2H3Cl Ethene, chloro- 1.332 -0.001
C4H5N Pyrrole 1.382 -0.001
CH3CH(CH3)CH3 Isobutane 1.525 -0.001
C2H2F2 Ethene, 1,2-difluoro-, (E)- 1.329 -0.001
C6H5F Fluorobenzene 1.395 -0.001
C7H12 Norbornane 1.536 -0.001
C3H6 Cyclopropane 1.501 -0.001
CHF2CHF2 1,1,2,2-tetrafluoroethane 1.511 -0.000
C4H5N Pyrrole 1.417 -0.000
CH3CHF2 Ethane, 1,1-difluoro- 1.498 -0.000
C6H5CH2CH3 Ethylbenzene 1.399 -0.000
CHOCH(CH3)CH3 Propanal, 2-methyl- 1.528 0.000
C7H8 Norbornadiene 1.530 0.000
CH3CHO Acetaldehyde 1.501 0.000
C5H8 Cyclobutane, methylene- 1.331 0.000
C6H10 cyclohexene 1.340 0.000
C3H8O2 1,3-Propanediol 1.514 0.000
CH2CHCH2F Allyl Fluoride 1.333 0.001
C5H8 1,3-Butadiene, 2-methyl- 1.463 0.001
C2H2ClF 1-chloro-1-fluoroethylene 1.327 0.001
C3H3N acrylonitrile 1.339 0.001
CH3CCH propyne 1.460 0.001
C6H4Cl2 1,3-dichlorobenzene 1.392 0.001
CH3CHSHCH3 2-Propanethiol 1.520 0.001
CH3CF3 Ethane, 1,1,1-trifluoro- 1.494 0.001
CH3CN Acetonitrile 1.458 0.002
CH2CS Thioketene 1.314 0.002
C2H5F fluoroethane 1.505 0.002
C2H5CN ethyl cyanide 1.526 0.002
CH3CH2Cl Ethyl chloride 1.510 0.002
CHCCH2CH3 1-Butyne 1.217 0.003
C4H10O Propane, 2-methoxy- 1.519 0.003
C10H8 naphthalene 1.410 0.003
C6H6 Fulvene 1.355 0.003
C5H6 1,3-Cyclopentadiene 1.460 0.003
CH2CCH2 allene 1.308 0.003
CHClCCl2 Trichloroethylene 1.337 0.003
CH2CHCHO Acrolein 1.468 0.003
C2H4O Ethylene oxide 1.459 0.003
C5H10 2-Pentene, (Z)- 1.338 0.003
C4H6 Cyclobutene 1.342 0.004
C12H8 biphenylene 1.372 0.004
C5H6 1-Buten-3-yne, 2-methyl- 1.501 0.004
C5H8 Ethenylcyclopropane 1.334 0.004
H2CCCCH2 Butatriene 1.318 0.004
C3F6 hexafluoropropene 1.329 0.004
CH2CHCH2CH3 1-Butene 1.493 0.004
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 1.324 0.004
C4H6O Cyclobutanone 1.527 0.004
C5H10 2-Pentene, (E)- 1.334 0.004
C4H4S Thiophene 1.370 0.005
CH2CHCHCH2 1,3-Butadiene 1.337 0.005
C3H2O3 vinylene carbonate 1.331 0.005
CH2CO Ketene 1.314 0.005
C6H5F Fluorobenzene 1.383 0.005
C5H8 1,3-Butadiene, 2-methyl- 1.340 0.005
CH2CHCH2F Allyl Fluoride 1.488 0.005
C6H4Cl2 1,3-dichlorobenzene 1.388 0.005
C6H4Cl2 1,4-dichlorobenzene 1.388 0.005
C6H6 Trimethylenecycopropane 1.437 0.006
C3H4 cyclopropene 1.296 0.006
CHCCH2CH3 1-Butyne 1.457 0.006
C6H6 Benzvalene 1.339 0.006
C2H2+ acetylene cation 1.253 0.006
CH3CCCH3 2-Butyne 1.214 0.006
C4H2O3 Maleic Anhydride 1.332 0.006
C3H3N acrylonitrile 1.426 0.007
C5H4O2 4-Cyclopentene-1,3-dione 1.341 0.007
C3H2N2 Malononitrile 1.459 0.007
C4H5N (E)-2-Butenenitrile 1.336 0.007
C4H6 Methylenecyclopropane 1.457 0.007
C7H8 Norbornadiene 1.336 0.007
C2H3CCH 1-Buten-3-yne 1.215 0.007
C2H4F2 1,2-difluoroethane 1.493 0.007
C6H6 Trimethylenecycopropane 1.330 0.007
C5H10 2-Pentene, (Z)- 1.490 0.007
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.330 0.007
C10H8 naphthalene 1.370 0.007
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.522 0.007
C6H5Cl chlorobenzene 1.386 0.008
C3H3NO Oxazole 1.353 0.008
CH2CHCH3 Propene 1.488 0.008
C4 Carbon tetramer 1.304 0.008
C8H8 cyclooctatetraene 1.337 0.009
C5H6 1-Buten-3-yne, 2-methyl- 1.336 0.009
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.330 0.009
C3H4N2 1H-Pyrazole 1.374 0.009
CH2CCl2 Ethene, 1,1-dichloro- 1.324 0.009
CH2CHOH ethenol 1.326 0.009
C5H6 Cyclopropylacetylene 1.211 0.010
C6H10O cyclohexanone 1.503 0.010
CH3CH(NH2)COOH Alanine 1.509 0.011
C10H8 naphthalene 1.420 0.011
CH3CCH propyne 1.207 0.011
CH2CCHCH3 1,2-Butadiene 1.301 0.011
ClCOClCO Oxalyl chloride 1.534 0.012
C10H8 Azulene 1.377 0.012
C5H6 1,3-Cyclopentadiene 1.340 0.012
C3H4N2 1H-Imidazole 1.364 0.012
CH(CN)3 tricyanomethane 1.460 0.012
HCCF Fluoroacetylene 1.198 0.012
HCCCl Chloroacetylene 1.203 0.013
C6H5CCH phenylacetylene 1.208 0.014
C6H5CN phenyl cyanide 1.388 0.014
C2F2 difluoroacetylene 1.187 0.014
HOCH2COOH Hydroxyacetic acid 1.495 0.014
HCCBr bromoacetylene 1.204 0.014
C2H2 Acetylene 1.203 0.014
C5H6 1-Buten-3-yne, 2-methyl- 1.207 0.015
C6H5CCH phenylacetylene 1.388 0.016
HCCCN Cyanoacetylene 1.206 0.016
C10H8 Azulene 1.484 0.017
C5H6 Cyclopropylacetylene 1.422 0.017
CH2ClCCCl 1,3-dichloropropyne 1.201 0.017
C5H10 2-Pentene, (E)- 1.484 0.017
CHClCHCl Ethene, 1,2-dichloro-, (Z)- 1.317 0.018
C5H8 Bicyclo[2.1.0]pentane 1.507 0.018
F2CCCF2 tetrafluoroallene 1.282 0.018
C4H2 Diacetylene 1.205 0.019
C6H5Br bromobenzene 1.375 0.019
SiC2 Silicon dicarbide 1.265 0.020
C2 Carbon diatomic 1.243 0.021
C5H8O Cyclopentanone 1.504 0.022
C12H8 biphenylene 1.370 0.024
C3 carbon trimer 1.277 0.025
C4H6O2 2,3-Butanedione 1.507 0.026
C3O2 Carbon suboxide 1.251 0.027
C4H6 1-Methylcyclopropene 1.300 0.205
C4H6 1-Methylcyclopropene 1.476 0.775