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18 10 26 16 45

mPW1PW91/3-21G* 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 250
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-Methylcyclopropene0.792

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 -0.427
CH2ClCHCl2 1,1,2-trichloroethane 1.580 -0.057
C2Cl2 dichloroacetylene 1.246 -0.044
C3H5 Allyl radical 1.428 -0.044
C2F6 hexafluoroethane 1.560 -0.043
C3F6 hexafluoropropene 1.513 -0.036
C3H3NO Isoxazole 1.356 -0.034
C3F8 perfluoropropane 1.546 -0.029
C6H5Br bromobenzene 1.420 -0.028
C6H5CN phenyl cyanide 1.451 -0.028
C2N2 Cyanogen 1.389 -0.027
C4H6O2 2,3-Butanedione 1.527 -0.026
C5H6 1,3-Cyclopentadiene 1.540 -0.026
CF3COOH trifluoroacetic acid 1.546 -0.024
C2HF3 Trifluoroethylene 1.341 -0.023
CH2CHCH3 Propene 1.353 -0.023
C6H5CCH phenylacetylene 1.448 -0.022
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.481 -0.022
CF2CCl2 difluorodichloroethylene 1.345 -0.020
C5H8O Cyclopentanone 1.557 -0.020
C5H8 Bicyclo[2.1.0]pentane 1.536 -0.020
C9H8 Indene 1.415 -0.019
C4H6O Furan, 2,5-dihydro- 1.347 -0.018
C6F6 hexafluorobenzene 1.401 -0.017
C2H2O4 Oxalic Acid 1.544 -0.017
H2CCCCH2 Butatriene 1.283 -0.017
C5H8 Cyclopentene 1.350 -0.017
C6H8 1,4-Cyclohexadiene 1.347 -0.017
C4H2 Diacetylene 1.378 -0.016
H2NCH2COOH Glycine 1.532 -0.016
HCCCN Cyanoacetylene 1.376 -0.016
C5H4O2 4-Cyclopentene-1,3-dione 1.509 -0.014
C10H8 Azulene 1.407 -0.014
C6H4Cl2 1,3-dichlorobenzene 1.404 -0.014
C2H2O2 Ethanedial 1.526 -0.013
C2H5CN ethyl cyanide 1.468 -0.013
C2H3CCH 1-Buten-3-yne 1.434 -0.013
CH2CHCH2CH3 1-Butene 1.342 -0.012
C6H5Cl chlorobenzene 1.402 -0.011
CH2ClCCCl 1,3-dichloropropyne 1.456 -0.011
C6H5CH2CH3 Ethylbenzene 1.524 -0.011
C2H4 Ethylene 1.339 -0.011
C4H6S Thiophene, 2,5-dihydro- 1.340 -0.011
CHCCH2CH3 1-Butyne 1.217 -0.011
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.344 -0.011
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.344 -0.010
C6H6 Fulvene 1.349 -0.010
C2H2F2 Ethene, 1,2-difluoro-, (E)- 1.329 -0.010
CH2CS Thioketene 1.314 -0.010
C5H8 1,4-Pentadiene 1.339 -0.010
C(CN)4 tetracyanomethane 1.484 -0.009
CH2CHF Ethene, fluoro- 1.329 -0.009
C3H6O 2-Propen-1-ol 1.337 -0.009
C4H6S Thiophene, 2,5-dihydro- 1.518 -0.009
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.469 -0.009
C6H10O cyclohexanone 1.545 -0.009
CH2CO Ketene 1.314 -0.009
CH3CHS Thioacetaldehyde 1.506 -0.008
C3F6 hexafluoropropene 1.329 -0.008
C5H8 Cyclobutane, methylene- 1.331 -0.008
C2H3Br vinyl bromide 1.332 -0.008
CH2CHCHO Acrolein 1.341 -0.008
C2H3 vinyl 1.316 -0.008
C2H2ClF 1-chloro-1-fluoroethylene 1.327 -0.008
C12H8 biphenylene 1.428 -0.008
C2H Ethynyl radical 1.217 -0.008
CH3CN Acetonitrile 1.458 -0.007
C6H5Br bromobenzene 1.401 -0.007
C10H8 Azulene 1.414 -0.007
C6H10 cyclohexene 1.340 -0.007
CH2CHCH2F Allyl Fluoride 1.333 -0.007
C2H5NO3 Nitric acid, ethyl ester 1.528 -0.007
C2H3CCH 1-Buten-3-yne 1.344 -0.007
C12H10 biphenyl 1.489 -0.007
C2H3CCH 1-Buten-3-yne 1.215 -0.007
C4H4N2 Pyrazine 1.397 -0.006
H2CCCCH2 Butatriene 1.318 -0.005
C6H5Cl chlorobenzene 1.399 -0.005
C6H5CN phenyl cyanide 1.396 -0.005
C6H5CCH phenylacetylene 1.396 -0.005
CH2CCH2 allene 1.308 -0.005
C12H8 biphenylene 1.372 -0.005
C10H8 Azulene 1.398 -0.005
C6H6 Trimethylenecycopropane 1.330 -0.005
C2H3NO Nitrosoethylene 1.335 -0.004
C6H5CCH phenylacetylene 1.398 -0.004
C4H5N Pyrrole 1.382 -0.004
C6H8 1,4-Cyclohexadiene 1.511 -0.004
C7H12 Norbornane 1.573 -0.004
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 1.324 -0.003
C5H8 Ethenylcyclopropane 1.475 -0.003
C6H5F Fluorobenzene 1.395 -0.003
C6H5CN phenyl cyanide 1.397 -0.003
C6H5OH phenol 1.398 -0.003
C6H5F Fluorobenzene 1.397 -0.003
C6H6 Benzene 1.397 -0.003
C4H8O2 Ethyl acetate 1.508 -0.003
CH3COCH3 Acetone 1.520 -0.003
C6H4Cl2 1,4-dichlorobenzene 1.394 -0.002
C12H8 biphenylene 1.432 -0.002
C6H6 Fulvene 1.355 -0.002
C5H8 Ethenylcyclopropane 1.334 -0.002
C6H5CH3 toluene 1.395 -0.002
CH3CCH propyne 1.207 -0.002
CH3CCl2CH3 Propane, 2,2-dichloro- 1.523 -0.002
C3H6O 2-Propen-1-ol 1.502 -0.002
CH3CCH propyne 1.460 -0.002
HCCF Fluoroacetylene 1.198 -0.002
C5H4O2 4-Cyclopentene-1,3-dione 1.341 -0.002
C6H5CH3 toluene 1.395 -0.002
C6H6 Benzvalene 1.339 -0.002
C4H4O Furan 1.361 -0.002
CHF2CHF2 1,1,2,2-tetrafluoroethane 1.511 -0.002
C7H8 Norbornadiene 1.336 -0.001
C3H2O3 vinylene carbonate 1.331 -0.001
C6H5CH2CH3 Ethylbenzene 1.399 -0.001
C6H4Cl2 1,3-dichlorobenzene 1.392 -0.001
C10H8 naphthalene 1.420 -0.001
C8H8 cyclooctatetraene 1.337 -0.001
HCCCl Chloroacetylene 1.203 -0.001
C3H2N2 Malononitrile 1.459 -0.001
C6H5CH3 toluene 1.513 -0.001
C10H16 adamantane 1.540 -0.001
C6H5CCH phenylacetylene 1.208 -0.000
CH3CH2CHO Propanal 1.509 -0.000
C2H2+ acetylene cation 1.253 -0.000
C2F2 difluoroacetylene 1.187 0.000
CH3CHFCH3 2-Fluoropropane 1.521 0.000
C12H8 biphenylene 1.524 0.000
C4H2O3 Maleic Anhydride 1.332 0.000
C5H8 Cyclopentene 1.518 0.000
C6H10 cyclohexene 1.510 0.000
CHCCH2CH3 1-Butyne 1.544 0.000
C2H2 Acetylene 1.203 0.001
C5H8 1,4-Pentadiene 1.511 0.001
C4H4Se selenophene 1.433 0.001
C2H8N2 Ethylenediamine 1.545 0.001
HCCBr bromoacetylene 1.204 0.001
CH2ClCH2CH3 Propane, 1-chloro- 1.525 0.001
HCCCN Cyanoacetylene 1.206 0.001
C2H6 Ethane 1.536 0.001
CH3OC2H5 Ethane, methoxy- 1.521 0.001
C8H8 cyclooctatetraene 1.470 0.001
C7H12 Norbornane 1.546 0.001
C10H8 Azulene 1.405 0.001
C3H4O Cyclopropanone 1.575 0.002
C5H8O Methyl cyclopropyl ketone 1.510 0.002
CH2ClCCCl 1,3-dichloropropyne 1.201 0.003
C3H4 cyclopropene 1.296 0.003
C7H16 heptane 1.534 0.003
C6H4Cl2 1,4-dichlorobenzene 1.388 0.003
CH3CHClCH3 Propane, 2-chloro- 1.522 0.003
C10H8 naphthalene 1.370 0.003
C6H5F Fluorobenzene 1.383 0.003
C4H8O2 Ethyl acetate 1.515 0.003
C3H4O Cyclopropanone 1.475 0.003
C6H10O cyclohexanone 1.542 0.004
CH2CHCHO Acrolein 1.468 0.004
ClCOClCO Oxalyl chloride 1.534 0.004
CH2CHOH ethenol 1.326 0.004
C6H5CH3 toluene 1.394 0.004
CH3CH2SH ethanethiol 1.528 0.004
C4H6 Bicyclo[1.1.0]butane 1.497 0.004
CH3CSNH2 Ethanethioamide 1.512 0.004
C4H8O2 1,3-Dioxane 1.528 0.005
C6H4Cl2 1,3-dichlorobenzene 1.388 0.005
C4H2 Diacetylene 1.205 0.005
CHCCH2CH3 1-Butyne 1.457 0.005
CH3CH2CHO Propanal 1.523 0.005
C10H8 naphthalene 1.410 0.005
CH3CHF2 Ethane, 1,1-difluoro- 1.498 0.005
C2H5Br Ethyl bromide 1.518 0.005
C3H3NO Oxazole 1.353 0.006
C5H8 Ethenylcyclopropane 1.522 0.006
CH3CH2CH2CH3 Butane 1.531 0.006
F2CCCF2 tetrafluoroallene 1.282 0.006
C2H2N2O Furazan 1.421 0.007
CH3CHO Acetaldehyde 1.501 0.007
CH3CH2O Ethoxy radical 1.521 0.007
CH(CN)3 tricyanomethane 1.460 0.007
C6H10 cyclohexene 1.530 0.007
C6H5Cl chlorobenzene 1.386 0.007
CH2CHCH2CH3 1-Butene 1.536 0.007
C6H6 Fulvene 1.476 0.008
CH3CH(NH2)COOH Alanine 1.544 0.008
C7H8 Norbornadiene 1.557 0.008
C6H5CH2CH3 Ethylbenzene 1.535 0.008
C6H10 cyclohexene 1.530 0.008
C6H6 Benzvalene 1.503 0.008
C5H6 1,3-Cyclopentadiene 1.340 0.008
C4H6O Furan, 2,5-dihydro- 1.502 0.009
C10H8 Azulene 1.377 0.009
CH3CH2NH2 Ethylamine 1.531 0.009
C10H8 naphthalene 1.420 0.010
C5H10S 2H-Thiopyran, tetrahydro- 1.528 0.010
C3H4N2 1H-Imidazole 1.364 0.010
CH3CH2OH Ethanol 1.512 0.010
CH2CHCH2F Allyl Fluoride 1.488 0.010
C3H8 Propane 1.526 0.011
C4H6O Cyclobutanone 1.556 0.011
C5H8 Cyclobutane, methylene- 1.524 0.011
C6H6 Fulvene 1.470 0.011
C4H4O Furan 1.431 0.011
C3H8O2 1,3-Propanediol 1.514 0.012
CH3CH(CH3)CH3 Isobutane 1.525 0.012
C2H4S Thiirane 1.484 0.012
C4H5N Pyrrole 1.417 0.012
CH2CHCH2CH3 1-Butene 1.493 0.013
C7H12 Norbornane 1.536 0.013
HOCH2COOH Hydroxyacetic acid 1.495 0.013
SiC2 Silicon dicarbide 1.265 0.013
C4H8 cyclobutane 1.555 0.013
C6H5CN phenyl cyanide 1.388 0.014
C8H8 cubane 1.571 0.014
C2H5F fluoroethane 1.505 0.014
C6H10O cyclohexanone 1.503 0.015
C6H6 Trimethylenecycopropane 1.437 0.015
C4H9N Pyrrolidine 1.534 0.015
C2 Carbon diatomic 1.243 0.015
CH2CHCH3 Propene 1.488 0.016
C2H4F2 1,2-difluoroethane 1.493 0.016
C5H8 Bicyclo[2.1.0]pentane 1.528 0.016
C6H5CCH phenylacetylene 1.388 0.016
CH3CH(NH2)COOH Alanine 1.509 0.016
C3O2 Carbon suboxide 1.251 0.016
C5H6 1,3-Cyclopentadiene 1.460 0.016
C5H8 Bicyclo[2.1.0]pentane 1.565 0.017
C12H8 biphenylene 1.370 0.017
C5H8 Cyclobutane, methylene- 1.557 0.017
C6H6 Benzvalene 1.529 0.017
C3H4 cyclopropene 1.509 0.017
C3H6 Cyclopropane 1.501 0.017
C7H8 Norbornadiene 1.530 0.018
C2H5CN ethyl cyanide 1.526 0.018
C5H8 Bicyclo[1.1.1]pentane 1.557 0.018
C4 Carbon tetramer 1.304 0.018
C6H5Br bromobenzene 1.375 0.018
C4H6 Bicyclo[1.1.0]butane 1.498 0.019
C5H8 Cyclopentene 1.540 0.019
C3 carbon trimer 1.277 0.020
C10H8 Azulene 1.484 0.020
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.522 0.021
C6H6 Benzvalene 1.452 0.022
C5H6 Propellane 1.525 0.022
C4H6O Cyclobutanone 1.527 0.023
C2H4O Ethylene oxide 1.459 0.024
C5H7N Cyclobutanecarbonitrile 1.551 0.025
C4H6O2 2,3-Butanedione 1.507 0.026
C5H8O Cyclopentanone 1.504 0.031
C5H8 Bicyclo[2.1.0]pentane 1.507 0.045
C5H6 Propellane 1.596 0.059
C4H6 1-Methylcyclopropene 1.300 0.228
C4H6 1-Methylcyclopropene 1.476 0.792