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18 10 26 16 45

B3PW91/6-31+G** 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 400
histogram chart 350 histogram chart
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-0.434
Most positive difference C4H6 1-Methylcyclopropene0.785

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C4H10O Methyl propyl ether 1.530 -0.434
C4H6 1-Methylcyclopropene 1.515 -0.420
CH2ClCHCl2 1,1,2-trichloroethane 1.580 -0.061
CH3CHNOH Acetaldoxime 1.550 -0.059
C5H10 2-Pentene, (E)- 1.576 -0.051
C3H3NO Isoxazole 1.356 -0.045
C5H6 Bicyclo[2.1.0]pent-2-ene 1.560 -0.044
C3H5 Allyl radical 1.428 -0.042
C5H6 1,3-Cyclopentadiene 1.540 -0.039
C2Cl2 dichloroacetylene 1.246 -0.038
C5H8 Bicyclo[2.1.0]pentane 1.536 -0.035
CH3CCl3 Ethane, 1,1,1-trichloro- 1.550 -0.035
C4H5N Cyclopropanecarbonitrile 1.472 -0.034
C5H8 Spiropentane 1.557 -0.030
CH3CHCl2 Ethane, 1,1-dichloro- 1.540 -0.029
C5H6 Propellane 1.596 -0.028
C5H10 2-Pentene, (Z)- 1.561 -0.027
C6H5Br bromobenzene 1.420 -0.027
C4H6O2 2,3-Butanedione 1.527 -0.027
C5H8O Cyclopentanone 1.557 -0.025
CHClCHCl Ethene, 1,2-dichloro-, (E)- 1.354 -0.023
CH2CHCHCH2 1,3-Butadiene 1.476 -0.021
C3H5ClO Oxirane, (chloromethyl)- 1.523 -0.020
C6H5CCH phenylacetylene 1.448 -0.020
C12H8 biphenylene 1.524 -0.019
C4H6S Thiophene, 2,5-dihydro- 1.518 -0.018
C4H5N Cyclopropanecarbonitrile 1.513 -0.018
CH2CF2 Ethene, 1,1-difluoro- 1.340 -0.018
C5H4O2 4-Cyclopentene-1,3-dione 1.509 -0.018
CH2CHCH3 Propene 1.353 -0.018
C6H5CN phenyl cyanide 1.451 -0.017
C9H8 Indene 1.415 -0.017
CH2ClCH2Cl Ethane, 1,2-dichloro- 1.531 -0.016
C3H7N Cyclopropylamine 1.520 -0.016
CH3CHS Thioacetaldehyde 1.506 -0.016
CH2CHCH2F Allyl Fluoride 1.350 -0.016
CH3COOH Acetic acid 1.517 -0.016
CH3CHClCH2CH3 Butane, 2-chloro- 1.534 -0.015
C6H10O cyclohexanone 1.545 -0.015
CH2ClCH2CH2CH3 Butane, 1-chloro- 1.533 -0.015
C2H5NO3 Nitric acid, ethyl ester 1.528 -0.015
C4H6O Furan, 2,5-dihydro- 1.347 -0.015
C3H8O2 Propylene glycol 1.540 -0.014
C2HF3 Trifluoroethylene 1.341 -0.014
C5H6 1-Buten-3-yne, 2-methyl- 1.445 -0.014
C6H5CH2CH3 Ethylbenzene 1.524 -0.014
C7H12 Norbornane 1.573 -0.014
C2H6O2 1,2-Ethanediol 1.530 -0.013
C3F6 hexafluoropropene 1.513 -0.013
C5H6 Bicyclo[2.1.0]pent-2-ene 1.530 -0.013
C5H8 Cyclopentene 1.350 -0.013
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.481 -0.012
C5H10 Cyclopropane, 1,1-dimethyl- 1.520 -0.012
C2H3CCH 1-Buten-3-yne 1.434 -0.011
H2NCH2COOH Glycine 1.532 -0.011
C5H10 Cyclopentane 1.546 -0.011
H2CCCCH2 Butatriene 1.283 -0.011
C12H8 biphenylene 1.432 -0.011
C5H6 Propellane 1.525 -0.011
C6H8 1,4-Cyclohexadiene 1.347 -0.011
C6H4Cl2 1,3-dichlorobenzene 1.404 -0.011
C4H2 Diacetylene 1.378 -0.010
CHOCHCHCH3 2-Butenal 1.501 -0.010
CF2CCl2 difluorodichloroethylene 1.345 -0.010
C4H5N (E)-2-Butenenitrile 1.501 -0.010
CH3COF Acetyl fluoride 1.503 -0.010
C3H5ClO Oxirane, (chloromethyl)- 1.475 -0.010
C5H8 Cyclopentene 1.518 -0.010
CH3CHCHCH3 2-Butene, (E)- 1.347 -0.010
C3H6O Propylene oxide 1.513 -0.010
CH3CHCHCH3 2-Butene, (E)- 1.508 -0.010
C10H8 Azulene 1.407 -0.010
C2H6 Ethane 1.536 -0.009
C3H6S Thietane 1.549 -0.009
CH2ClCCCl 1,3-dichloropropyne 1.456 -0.009
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.469 -0.009
C12H8 biphenylene 1.428 -0.009
CH3CCCH3 2-Butyne 1.468 -0.009
CHCCH2CH3 1-Butyne 1.544 -0.009
CH2CCHCH3 1,2-Butadiene 1.515 -0.009
C6H8 1,4-Cyclohexadiene 1.511 -0.009
C2N2 Cyanogen 1.389 -0.009
C10H8 Azulene 1.414 -0.009
CH2CHCHClCH3 1-Butene, 3-chloro- 1.503 -0.009
C5H6 Cyclopropylacetylene 1.527 -0.009
CH3COCl Acetyl Chloride 1.506 -0.008
C4H6 Bicyclo[1.1.0]butane 1.497 -0.008
C6H5Cl chlorobenzene 1.402 -0.008
CH2SHCH2SH 1,2-Ethanedithiol 1.530 -0.008
C4H6 Methylenecyclopropane 1.332 -0.008
C3H7SH 1-Propanethiol 1.536 -0.008
C5H8 1,3-Butadiene, 2-methyl- 1.512 -0.008
C7H12 Norbornane 1.546 -0.007
CH3CHCHCH3 2-Butene, (Z)- 1.506 -0.007
C2H8N2 Ethylenediamine 1.545 -0.007
C3H4O Cyclopropanone 1.475 -0.007
C4H8 cyclobutane 1.555 -0.007
C3H4O Cyclopropanone 1.575 -0.007
CH2CHCH2CH3 1-Butene 1.342 -0.007
C4H6S Thiophene, 2,5-dihydro- 1.340 -0.007
C6H5NO2 Nitrobenzene 1.399 -0.007
CH3SCH2CH3 Ethane, (methylthio)- 1.530 -0.006
C2F6 hexafluoroethane 1.560 -0.006
CH3COCH3 Acetone 1.520 -0.006
C6H5Br bromobenzene 1.401 -0.006
C2H4 Ethylene 1.339 -0.006
C12H10 biphenyl 1.489 -0.006
CH3OC2H5 Ethane, methoxy- 1.521 -0.006
CH3CH2SH ethanethiol 1.528 -0.006
C3H6O 2-Propen-1-ol 1.502 -0.006
C5H8 Ethenylcyclopropane 1.522 -0.006
C5H6 Cyclopropylacetylene 1.503 -0.006
CH3CHFCH3 2-Fluoropropane 1.521 -0.006
CHCCH2CH3 1-Butyne 1.217 -0.006
CH3CHCHCH3 2-Butene, (Z)- 1.346 -0.006
CH2ClCH2CH3 Propane, 1-chloro- 1.525 -0.006
CH3CCl(CH3)CH3 Propane, 2-chloro-2-methyl- 1.530 -0.006
C6H5CH3 toluene 1.513 -0.006
C2H5CN ethyl cyanide 1.468 -0.006
C5H8 Bicyclo[1.1.1]pentane 1.557 -0.006
C4H5N (E)-2-Butenenitrile 1.432 -0.005
C8H8 cubane 1.571 -0.005
C5H8 Cyclobutane, methylene- 1.524 -0.005
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.344 -0.005
C2H5Br Ethyl bromide 1.518 -0.005
CH2CHOCHCH2 Vinyl ether 1.337 -0.005
C4H6 Methylenecyclopropane 1.542 -0.005
C6H6 Benzvalene 1.529 -0.005
C5H8 1,4-Pentadiene 1.511 -0.005
C6H10 cyclohexene 1.510 -0.005
C7H16 heptane 1.534 -0.005
C2H Ethynyl radical 1.217 -0.005
HCCCN Cyanoacetylene 1.376 -0.005
C3H4N2 1H-Pyrazole 1.417 -0.005
CH3CCl2CH3 Propane, 2,2-dichloro- 1.523 -0.005
C5H8 Bicyclo[2.1.0]pentane 1.565 -0.005
CHOCHCHCH3 2-Butenal 1.470 -0.005
C6H6 Fulvene 1.476 -0.005
C2H3Br vinyl bromide 1.332 -0.005
C6H6 Benzvalene 1.452 -0.005
CH2CCHCH3 1,2-Butadiene 1.314 -0.004
CH3CSNH2 Ethanethioamide 1.512 -0.004
CH2CHF Ethene, fluoro- 1.329 -0.004
C2H3 vinyl 1.316 -0.004
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.344 -0.004
C4H4Se selenophene 1.433 -0.004
C6H10O cyclohexanone 1.542 -0.004
C5H8 1,4-Pentadiene 1.339 -0.004
C6H5Cl chlorobenzene 1.399 -0.004
C5H8 1,2-Butadiene, 3-methyl- 1.514 -0.004
C6H5CN phenyl cyanide 1.396 -0.004
CH3CONH2 Acetamide 1.519 -0.004
C6H5CCH phenylacetylene 1.396 -0.004
CH3CCH propyne 1.460 -0.004
C4H8O2 Ethyl acetate 1.508 -0.003
CH3CH2CHO Propanal 1.509 -0.003
CH2ClCHO chloroacetaldehyde 1.521 -0.003
C3H6O 2-Propen-1-ol 1.337 -0.003
C3H6O Propylene oxide 1.471 -0.003
CH3CHClCH3 Propane, 2-chloro- 1.522 -0.003
C2H3Cl Ethene, chloro- 1.332 -0.003
C4H5N Pyrrole 1.382 -0.003
C2H2O2 Ethanedial 1.526 -0.003
CH2CS Thioketene 1.314 -0.003
C3H7SH 1-Propanethiol 1.529 -0.003
C6H6 Fulvene 1.349 -0.003
C4H6 Cyclobutene 1.517 -0.003
CH2CHCH2CH3 1-Butene 1.536 -0.003
C7H8 Norbornadiene 1.557 -0.003
CH2CHCHClCH3 1-Butene, 3-chloro- 1.337 -0.003
C5H8 Cyclobutane, methylene- 1.557 -0.003
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.507 -0.003
C4H6O Furan, 2,5-dihydro- 1.502 -0.003
C4H8O2 Ethyl acetate 1.515 -0.002
C6H5CCH phenylacetylene 1.398 -0.002
C2H3CCH 1-Buten-3-yne 1.344 -0.002
C3H4 cyclopropene 1.509 -0.002
C4H8O2 1,3-Dioxane 1.528 -0.002
C10H16 adamantane 1.540 -0.002
C2H2F2 Ethene, 1,2-difluoro-, (E)- 1.329 -0.002
CH2CHCHO Acrolein 1.341 -0.002
C4H10O Ethoxy ethane 1.517 -0.002
C5H12 Pentane 1.531 -0.002
C2H2O4 Oxalic Acid 1.544 -0.002
C5H12 Propane, 2,2-dimethyl- 1.537 -0.002
C4H6 Bicyclo[1.1.0]butane 1.498 -0.001
C2H3CCH 1-Buten-3-yne 1.215 -0.001
C6H5CN phenyl cyanide 1.397 -0.001
CH3CH2CH2CH3 Butane 1.531 -0.001
CH3CN Acetonitrile 1.458 -0.001
C2H2N2O Furazan 1.421 -0.001
CH3CCCH3 2-Butyne 1.214 -0.001
CHOCHCHCH3 2-Butenal 1.345 -0.001
C2H4S Thiirane 1.484 -0.001
CH2CHCHClCH3 1-Butene, 3-chloro- 1.522 -0.001
CH3CH2CHO Propanal 1.523 -0.001
C2H2ClF 1-chloro-1-fluoroethylene 1.327 -0.001
C6H10 cyclohexene 1.340 -0.001
C6H5F Fluorobenzene 1.397 -0.001
C4H6O Cyclobutanone 1.556 -0.001
CH3CH2NH2 Ethylamine 1.531 -0.001
C10H8 Azulene 1.405 -0.001
C10H8 Azulene 1.398 -0.001
C5H8 Spiropentane 1.482 -0.001
C4H4S Thiophene 1.370 -0.001
C6H4Cl2 1,4-dichlorobenzene 1.394 -0.001
C6H5CH2CH3 Ethylbenzene 1.535 -0.001
C4H4N2 Pyrazine 1.397 -0.001
C6H5OH phenol 1.398 -0.001
CH3CH(NH2)COOH Alanine 1.544 -0.000
C5H8 Ethenylcyclopropane 1.475 -0.000
C4H10O Propane, 2-methoxy- 1.528 -0.000
C2H2+ acetylene cation 1.253 -0.000
C10H8 naphthalene 1.420 -0.000
C3H3N acrylonitrile 1.339 -0.000
C6H5CH3 toluene 1.395 -0.000
C6H6 Fulvene 1.355 -0.000
C4H6 Cyclobutene 1.566 0.000
C6H5CH3 toluene 1.395 0.000
C6H10 cyclohexene 1.530 0.000
CH2CCH2 allene 1.308 0.000
C8H8 cyclooctatetraene 1.470 0.000
C5H8 Cyclobutane, methylene- 1.331 0.000
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.501 0.000
C(CN)4 tetracyanomethane 1.484 0.000
C4H6 Cyclobutene 1.342 0.000
C6H5F Fluorobenzene 1.395 0.001
CH3CHO Acetaldehyde 1.501 0.001
C4H4O Furan 1.361 0.001
H2CCCCH2 Butatriene 1.318 0.001
C3H4 cyclopropene 1.296 0.001
CHClCCl2 Trichloroethylene 1.337 0.001
C5H8O Methyl cyclopropyl ketone 1.510 0.001
C5H10 Cyclopropane, 1,1-dimethyl- 1.514 0.001
C12H8 biphenylene 1.372 0.001
CH3CH2O Ethoxy radical 1.521 0.001
C5H6 Cyclopropylacetylene 1.211 0.001
CH2CO Ketene 1.314 0.001
C6H4Cl2 1,3-dichlorobenzene 1.392 0.001
C3H2O3 vinylene carbonate 1.331 0.001
C7H8 Norbornadiene 1.336 0.002
C6H6 Fulvene 1.470 0.002
C4H4O Furan 1.431 0.002
C6H5CH2CH3 Ethylbenzene 1.399 0.002
C6H10 cyclohexene 1.530 0.002
C5H8 Bicyclo[2.1.0]pentane 1.528 0.002
C3H8 Propane 1.526 0.002
C6H6 Benzvalene 1.339 0.002
C6H12 Cyclohexane 1.530 0.002
C2H5N Aziridine 1.481 0.002
CF3COOH trifluoroacetic acid 1.546 0.002
C5H10 2-Pentene, (Z)- 1.338 0.002
CH3CH2OH Ethanol 1.512 0.003
C3H3NO Oxazole 1.353 0.003
CH3CCH propyne 1.207 0.003
C5H8 1,3-Butadiene, 2-methyl- 1.463 0.003
C4H4S Thiophene 1.423 0.003
C5H10 2-Pentene, (E)- 1.334 0.003
CH2ClCHClCH3 Propane, 1,2-dichloro- 1.519 0.003
C5H8 Ethenylcyclopropane 1.334 0.003
CHCCH2CH3 1-Butyne 1.457 0.003
C4H6O Cyclobutanone 1.527 0.003
C4H2O3 Maleic Anhydride 1.332 0.004
C3H3N acrylonitrile 1.426 0.004
C2H3NO Nitrosoethylene 1.335 0.004
C5H10S 2H-Thiopyran, tetrahydro- 1.528 0.004
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 1.324 0.004
C6H6 Benzvalene 1.503 0.004
CH2CHCHO Acrolein 1.468 0.004
C5H4O2 4-Cyclopentene-1,3-dione 1.341 0.004
C3F6 hexafluoropropene 1.329 0.004
C4H9N Pyrrolidine 1.534 0.004
C3H6 Cyclopropane 1.501 0.004
HCCF Fluoroacetylene 1.198 0.004
C6H5CCH phenylacetylene 1.208 0.004
CH3CH2Cl Ethyl chloride 1.510 0.004
CH3CHF2 Ethane, 1,1-difluoro- 1.498 0.005
HCCCl Chloroacetylene 1.203 0.005
HCCBr bromoacetylene 1.204 0.005
C6H6 Trimethylenecycopropane 1.437 0.005
CH2CHCHCH2 1,3-Butadiene 1.337 0.005
C5H6 1,3-Cyclopentadiene 1.460 0.005
C6H5F Fluorobenzene 1.383 0.005
C5H7N Cyclobutanecarbonitrile 1.551 0.005
C2H5F fluoroethane 1.505 0.005
HCCCN Cyanoacetylene 1.206 0.005
C2H2 Acetylene 1.203 0.005
C6H4Cl2 1,4-dichlorobenzene 1.388 0.006
C10H8 naphthalene 1.410 0.006
C3H8O2 1,3-Propanediol 1.514 0.006
C3H2N2 Malononitrile 1.459 0.006
CH3CH(CH3)CH3 Isobutane 1.525 0.006
C5H8 1,3-Butadiene, 2-methyl- 1.340 0.006
C6H4Cl2 1,3-dichlorobenzene 1.388 0.006
C4H5N Pyrrole 1.417 0.006
CH3CHSHCH3 2-Propanethiol 1.520 0.006
C8H8 cyclooctatetraene 1.337 0.006
C10H8 naphthalene 1.370 0.006
C7H12 Norbornane 1.536 0.006
C5H6 1-Buten-3-yne, 2-methyl- 1.207 0.006
CH2CCl2 Ethene, 1,1-dichloro- 1.324 0.006
C5H8 Cyclopentene 1.540 0.006
C6H6 Trimethylenecycopropane 1.330 0.007
C6H5CH3 toluene 1.394 0.007
C2F2 difluoroacetylene 1.187 0.007
CHOCH(CH3)CH3 Propanal, 2-methyl- 1.528 0.007
C2H4O Ethylene oxide 1.459 0.007
C3H4N2 1H-Pyrazole 1.374 0.007
C4H5N (E)-2-Butenenitrile 1.336 0.007
SiC2 Silicon dicarbide 1.265 0.007
CH3CF3 Ethane, 1,1,1-trifluoro- 1.494 0.007
CH2CHCH2CH3 1-Butene 1.493 0.008
C5H6 1-Buten-3-yne, 2-methyl- 1.501 0.008
C2H5CN ethyl cyanide 1.526 0.008
C7H8 Norbornadiene 1.530 0.008
CH2ClCCCl 1,3-dichloropropyne 1.201 0.009
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.330 0.009
C5H6 1-Buten-3-yne, 2-methyl- 1.336 0.009
C4H10O Propane, 2-methoxy- 1.519 0.009
C6H5Cl chlorobenzene 1.386 0.009
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.330 0.009
C4H6 Methylenecyclopropane 1.457 0.009
CH2CCHCH3 1,2-Butadiene 1.301 0.009
C5H10 2-Pentene, (Z)- 1.490 0.009
C3H4N2 1H-Imidazole 1.364 0.009
C4H2 Diacetylene 1.205 0.009
CH2CHOH ethenol 1.326 0.010
CH2CHCH3 Propene 1.488 0.010
C3F8 perfluoropropane 1.546 0.011
C10H8 Azulene 1.484 0.011
C5H6 1,3-Cyclopentadiene 1.340 0.011
C10H8 naphthalene 1.420 0.011
C4 Carbon tetramer 1.304 0.011
C2H4F2 1,2-difluoroethane 1.493 0.011
CH2CHCH2F Allyl Fluoride 1.480 0.012
C2 Carbon diatomic 1.243 0.014
C6H10O cyclohexanone 1.503 0.014
CH(CN)3 tricyanomethane 1.460 0.014
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.522 0.014
C10H8 Azulene 1.377 0.014
C5H6 Cyclopropylacetylene 1.422 0.015
HOCH2COOH Hydroxyacetic acid 1.495 0.015
C6H5CN phenyl cyanide 1.388 0.016
CHClCHCl Ethene, 1,2-dichloro-, (Z)- 1.317 0.016
F2CCCF2 tetrafluoroallene 1.282 0.016
CHF2CHF2 1,1,2,2-tetrafluoroethane 1.511 0.017
CH3CH(NH2)COOH Alanine 1.509 0.017
C6H5CCH phenylacetylene 1.388 0.018
C5H10 2-Pentene, (E)- 1.484 0.020
C6H5Br bromobenzene 1.375 0.020
C12H8 biphenylene 1.370 0.020
C3 carbon trimer 1.277 0.020
ClCOClCO Oxalyl chloride 1.534 0.021
C5H8 Bicyclo[2.1.0]pentane 1.507 0.022
C5H8O Cyclopentanone 1.504 0.022
C3O2 Carbon suboxide 1.251 0.027
C4H6O2 2,3-Butanedione 1.507 0.044
C4H6 1-Methylcyclopropene 1.300 0.207
C4H6 1-Methylcyclopropene 1.476 0.785