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18 10 26 16 45

CISD/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-0.437
Most positive difference C4H6 1-Methylcyclopropene0.801

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C4H10O Methyl propyl ether 1.530 -0.437
C4H6 1-Methylcyclopropene 1.515 -0.431
C3H3NO Isoxazole 1.356 -0.041
C3H5 Allyl radical 1.428 -0.038
CF2CCl2 difluorodichloroethylene 1.345 -0.033
C6H5Br bromobenzene 1.420 -0.032
C3F6 hexafluoropropene 1.513 -0.032
C2HF3 Trifluoroethylene 1.341 -0.027
CF3COOH trifluoroacetic acid 1.546 -0.026
C9H8 Indene 1.415 -0.020
C4H6O Furan, 2,5-dihydro- 1.347 -0.020
CH2CHCH3 Propene 1.353 -0.019
C6H4Cl2 1,3-dichlorobenzene 1.404 -0.019
C3F6 hexafluoropropene 1.329 -0.019
C6H5Cl chlorobenzene 1.402 -0.018
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.344 -0.017
C4H6O2 2,3-Butanedione 1.527 -0.016
C10H8 Azulene 1.407 -0.015
C6H6 Fulvene 1.349 -0.014
C6H5CN phenyl cyanide 1.451 -0.014
C5H8 Bicyclo[2.1.0]pentane 1.536 -0.013
C2H2ClF 1-chloro-1-fluoroethylene 1.327 -0.012
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.344 -0.011
C4H6S Thiophene, 2,5-dihydro- 1.340 -0.011
C12H8 biphenylene 1.372 -0.011
CHCCH2CH3 1-Butyne 1.217 -0.011
C2H2F2 Ethene, 1,2-difluoro-, (E)- 1.329 -0.011
CH2CHCH2CH3 1-Butene 1.342 -0.011
C2N2 Cyanogen 1.389 -0.010
C5H8O Cyclopentanone 1.557 -0.010
C6H10 cyclohexene 1.340 -0.009
C5H8 1,4-Pentadiene 1.339 -0.009
CH2CS Thioketene 1.314 -0.009
C5H8 Cyclobutane, methylene- 1.331 -0.009
C10H8 Azulene 1.414 -0.009
C2H2O2 Ethanedial 1.526 -0.008
C2H2O4 Oxalic Acid 1.544 -0.008
C6H6 Trimethylenecycopropane 1.330 -0.008
CH2CHCHO Acrolein 1.341 -0.008
C5H4O2 4-Cyclopentene-1,3-dione 1.341 -0.008
C6H4Cl2 1,3-dichlorobenzene 1.392 -0.007
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.481 -0.007
C6H6 Fulvene 1.355 -0.007
C3H6O 2-Propen-1-ol 1.337 -0.007
C6H5CCH phenylacetylene 1.448 -0.007
C2H Ethynyl radical 1.217 -0.007
C2H3Br vinyl bromide 1.332 -0.007
C4H5N Pyrrole 1.382 -0.006
CH2CHF Ethene, fluoro- 1.329 -0.006
C3H2O3 vinylene carbonate 1.331 -0.006
C6H5Br bromobenzene 1.401 -0.006
C6H5CCH phenylacetylene 1.208 -0.006
ClCOClCO Oxalyl chloride 1.534 -0.006
C10H8 Azulene 1.398 -0.006
C8H8 cyclooctatetraene 1.337 -0.006
C4H4N2 Pyrazine 1.397 -0.005
CH2CHCH2F Allyl Fluoride 1.333 -0.005
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 1.324 -0.005
C(CN)4 tetracyanomethane 1.484 -0.005
C6H6 Benzvalene 1.339 -0.004
C6H5CN phenyl cyanide 1.396 -0.004
C7H8 Norbornadiene 1.336 -0.004
C6H5CCH phenylacetylene 1.396 -0.004
C6H5CCH phenylacetylene 1.398 -0.004
C6H5Cl chlorobenzene 1.399 -0.004
C6H4Cl2 1,4-dichlorobenzene 1.388 -0.003
C10H8 naphthalene 1.370 -0.003
C2H3 vinyl 1.316 -0.003
C5H4O2 4-Cyclopentene-1,3-dione 1.509 -0.003
C6H5CN phenyl cyanide 1.397 -0.003
CH3CCl2CH3 Propane, 2,2-dichloro- 1.523 -0.003
C12H8 biphenylene 1.428 -0.003
C12H8 biphenylene 1.432 -0.003
C5H8 Ethenylcyclopropane 1.334 -0.003
CH2ClCCCl 1,3-dichloropropyne 1.201 -0.002
CH2CO Ketene 1.314 -0.002
CH2ClCCCl 1,3-dichloropropyne 1.456 -0.002
C10H8 naphthalene 1.420 -0.002
C2F2 difluoroacetylene 1.187 -0.002
CHF2CHF2 1,1,2,2-tetrafluoroethane 1.511 -0.002
C6H5F Fluorobenzene 1.397 -0.002
C6H5F Fluorobenzene 1.395 -0.002
C4H6S Thiophene, 2,5-dihydro- 1.518 -0.001
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.469 -0.001
C6H5CH3 toluene 1.395 -0.001
HCCCl Chloroacetylene 1.203 -0.001
C6H5CH3 toluene 1.395 -0.000
HCCCN Cyanoacetylene 1.206 -0.000
CH2ClCHO chloroacetaldehyde 1.521 -0.000
HCCF Fluoroacetylene 1.198 -0.000
C2H5NO3 Nitric acid, ethyl ester 1.528 -0.000
C10H8 Azulene 1.405 -0.000
C6H10O cyclohexanone 1.545 0.000
CH3CHS Thioacetaldehyde 1.506 0.000
CH3CCH propyne 1.207 0.000
HCCBr bromoacetylene 1.204 0.001
C6H4Cl2 1,4-dichlorobenzene 1.394 0.001
CH2CCH2 allene 1.308 0.002
C2H4S Thiirane 1.484 0.002
CH3CH(NH2)COOH Alanine 1.544 0.002
C6H5F Fluorobenzene 1.383 0.003
C3H3NO Oxazole 1.353 0.003
F2CCCF2 tetrafluoroallene 1.282 0.004
CH2ClCH2CH3 Propane, 1-chloro- 1.525 0.004
C2H5CN ethyl cyanide 1.468 0.004
C6H5CH3 toluene 1.394 0.004
C4H8O2 Ethyl acetate 1.508 0.004
HCCCN Cyanoacetylene 1.376 0.004
C3H4N2 1H-Imidazole 1.364 0.004
C7H12 Norbornane 1.573 0.005
CH2CHOH ethenol 1.326 0.006
C10H8 naphthalene 1.420 0.006
C3H4 cyclopropene 1.296 0.006
C2H8N2 Ethylenediamine 1.545 0.006
C6H4Cl2 1,3-dichlorobenzene 1.388 0.007
CH3CHClCH3 Propane, 2-chloro- 1.522 0.007
CH3CSNH2 Ethanethioamide 1.512 0.008
C2H2+ acetylene cation 1.253 0.008
C10H8 Azulene 1.377 0.009
C5H8 Ethenylcyclopropane 1.522 0.009
C7H12 Norbornane 1.546 0.009
C12H8 biphenylene 1.524 0.009
C2 Carbon diatomic 1.243 0.009
CH3CHFCH3 2-Fluoropropane 1.521 0.009
C3H6O 2-Propen-1-ol 1.502 0.010
C5H8 Ethenylcyclopropane 1.475 0.010
C6H5Cl chlorobenzene 1.386 0.010
C12H8 biphenylene 1.370 0.010
C6H10O cyclohexanone 1.542 0.010
CHCCH2CH3 1-Butyne 1.544 0.010
CH3CH2SH ethanethiol 1.528 0.010
C5H8O Methyl cyclopropyl ketone 1.510 0.010
C6H5CH3 toluene 1.513 0.011
C6H5CN phenyl cyanide 1.388 0.011
C5H8 1,4-Pentadiene 1.511 0.011
CH3CH2CHO Propanal 1.509 0.012
CH3OC2H5 Ethane, methoxy- 1.521 0.012
CH3CN Acetonitrile 1.458 0.012
C10H8 naphthalene 1.410 0.012
C4H8O2 1,3-Dioxane 1.528 0.012
C4H6 Bicyclo[1.1.0]butane 1.497 0.013
C6H10 cyclohexene 1.510 0.013
C4H8O2 Ethyl acetate 1.515 0.013
C3H2N2 Malononitrile 1.459 0.013
C6H5CCH phenylacetylene 1.388 0.013
CH3CHF2 Ethane, 1,1-difluoro- 1.498 0.014
C8H8 cyclooctatetraene 1.470 0.014
C2H5Br Ethyl bromide 1.518 0.015
CH(CN)3 tricyanomethane 1.460 0.015
C6H10 cyclohexene 1.530 0.016
C3O2 Carbon suboxide 1.251 0.016
CH3CH2CH2CH3 Butane 1.531 0.016
C2H6 Ethane 1.536 0.017
C7H8 Norbornadiene 1.557 0.017
CH3CH2O Ethoxy radical 1.521 0.017
C2H5I Ethyl iodide 1.521 0.017
CH2CHCH2CH3 1-Butene 1.536 0.018
C6H10 cyclohexene 1.530 0.018
CH3CH2CHO Propanal 1.523 0.018
CH2CHCHO Acrolein 1.468 0.018
C4 Carbon tetramer 1.304 0.019
C6H6 Benzvalene 1.503 0.019
C6H5Br bromobenzene 1.375 0.020
C7H12 Norbornane 1.536 0.020
C5H10S 2H-Thiopyran, tetrahydro- 1.528 0.020
SiC2 Silicon dicarbide 1.265 0.020
C3H8O2 1,3-Propanediol 1.514 0.020
CH3CH2NH2 Ethylamine 1.531 0.021
CH3CHO Acetaldehyde 1.501 0.021
CH3CCH propyne 1.460 0.021
C4H4Se selenophene 1.433 0.021
C6H10O cyclohexanone 1.503 0.021
HOCH2COOH Hydroxyacetic acid 1.495 0.021
C5H8 Cyclobutane, methylene- 1.524 0.021
C4H5N Pyrrole 1.417 0.022
C4H6O Furan, 2,5-dihydro- 1.502 0.023
C2H2N2O Furazan 1.421 0.023
C6H6 Benzvalene 1.529 0.023
CH2CHCH2F Allyl Fluoride 1.488 0.023
C3H8 Propane 1.526 0.023
C4H8 cyclobutane 1.555 0.024
CHCCH2CH3 1-Butyne 1.457 0.024
C10H8 Azulene 1.484 0.024
C6H6 Fulvene 1.476 0.024
C2H4F2 1,2-difluoroethane 1.501 0.025
C6H6 Fulvene 1.470 0.025
CH2CHCH2CH3 1-Butene 1.493 0.026
C5H8 Bicyclo[2.1.0]pentane 1.528 0.026
C2H5F fluoroethane 1.505 0.026
C4H6O2 2,3-Butanedione 1.507 0.026
C7H8 Norbornadiene 1.530 0.026
CH3CH(NH2)COOH Alanine 1.509 0.027
C6H6 Benzvalene 1.452 0.027
C4H6 Bicyclo[1.1.0]butane 1.498 0.027
C5H8 Cyclobutane, methylene- 1.557 0.028
C2H5CN ethyl cyanide 1.526 0.028
C5H8 Bicyclo[2.1.0]pentane 1.565 0.028
C5H8 Bicyclo[1.1.1]pentane 1.557 0.028
C6H6 Trimethylenecycopropane 1.437 0.028
C5H7N Cyclobutanecarbonitrile 1.551 0.029
C2H5N Aziridine 1.481 0.029
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.522 0.029
C5H6 Propellane 1.525 0.030
C2H4O Ethylene oxide 1.459 0.032
CH2CHCH3 Propene 1.488 0.032
C3H4 cyclopropene 1.509 0.034
C5H8O Cyclopentanone 1.504 0.038
C5H8 Bicyclo[2.1.0]pentane 1.507 0.048
C5H6 Propellane 1.596 0.074
C4H6 1-Methylcyclopropene 1.300 0.242
C4H6 1-Methylcyclopropene 1.476 0.801