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18 10 26 16 45

B1B95/3-21G for rCH

Histogram of Bond length differences (in Å) vs number of species


Differences greater than 5.500 are in the 5.500 bin. Differences less than -0.500 are in the -0.500 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
-0.500 0.000 0.500 1.000 1.500 2.000 2.500 3.000 3.500 4.000 4.500 5.000 5.500
bond length difference calc. - exp. (Å)

  Species Name Difference (Å)
Most negative difference C3H8O2 1,3-Propanediol-0.047
Most positive difference C4H6 1-Methylcyclopropene3.110

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C3H8O2 1,3-Propanediol 1.140 -0.047
C5H8O Methyl cyclopropyl ketone 1.126 -0.037
CH3CONH2 Acetamide 1.124 -0.036
CHOCH(CH3)CH3 Propanal, 2-methyl- 1.127 -0.034
C2H2O2 Ethanedial 1.132 -0.032
C2H3CCH 1-Buten-3-yne 1.090 -0.029
C4H6O2 2,3-Butanedione 1.114 -0.026
C2H6N2O2 Dimethylnitroamine 1.121 -0.026
HCONHCH3 N-methylformamide 1.114 -0.025
C4H5N Cyclopropanecarbonitrile 1.107 -0.025
C2HF3 Trifluoroethylene 1.100 -0.024
C6H14 Hexane 1.118 -0.024
C5H6 Propellane 1.106 -0.023
C7H16 heptane 1.121 -0.023
C2H3CCH 1-Buten-3-yne 1.106 -0.023
C5H8 Spiropentane 1.105 -0.022
C5H12O Butane, 1-methoxy- 1.115 -0.021
CH3CH2CH2CH3 Butane 1.117 -0.021
CH3CCCH3 2-Butyne 1.116 -0.021
C5H10 Cyclopentane 1.114 -0.020
C3H7NO dimethylformamide 1.112 -0.020
C5H12 Pentane 1.118 -0.020
C6H12 (E)-3-methylpent-2-ene 1.116 -0.019
C7H12 Norbornane 1.113 -0.019
C4H10O2 Ethane, 1,2-dimethoxy- 1.109 -0.019
C5H12 Propane, 2,2-dimethyl- 1.114 -0.018
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.098 -0.018
C4H8O2 Ethyl acetate 1.105 -0.018
C5H8 1,3-Butadiene, 2-methyl- 1.110 -0.018
C5H10O 2H-Pyran, tetrahydro- 1.116 -0.018
C6H8 (Z)-hexa-1,3,5-triene 1.104 -0.017
C5H10O 2-Butanone, 3-methyl- 1.113 -0.017
C5H8 Ethenylcyclopropane 1.099 -0.017
CH2CHOCHCH2 Vinyl ether 1.103 -0.016
N(CH3)3 Trimethylamine 1.109 -0.015
C12H8 biphenylene 1.096 -0.015
CH2CHOH ethenol 1.097 -0.015
CH2CF2 Ethene, 1,1-difluoro- 1.091 -0.014
CH3COCH3 Acetone 1.103 -0.014
C8H8 cubane 1.097 -0.014
C6H5NO2 Nitrobenzene 1.093 -0.014
CH2N2 diazirine 1.090 -0.014
CH3SH Methanethiol 1.104 -0.013
CH2Cl chloromethyl radical 1.090 -0.013
C5H8 1,4-Pentadiene 1.110 -0.013
C2H8N2 Ethylenediamine 1.109 -0.013
CH3CH2NH2 Ethylamine 1.107 -0.013
CH3COOH Acetic acid 1.100 -0.012
C3H2N2 Malononitrile 1.109 -0.012
CH3CH2CHO Propanal 1.103 -0.011
CH3CN Acetonitrile 1.104 -0.011
CH3CCl2CH3 Propane, 2,2-dichloro- 1.101 -0.011
CH3CH(CH3)CH3 Isobutane 1.108 -0.011
CH3CH2CHO Propanal 1.115 -0.011
C4H8O2 1,3-Dioxolane, 2-methyl- 1.102 -0.010
CH3ONO Methyl nitrite 1.102 -0.010
C4H6O Cyclobutanone 1.100 -0.010
C5H8 Cyclobutane, methylene- 1.101 -0.010
H2CO Formaldehyde 1.111 -0.010
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.009
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 1.089 -0.009
C6H5CH2CH3 Ethylbenzene 1.094 -0.009
C4H8O2 1,3-Dioxane 1.095 -0.009
CH3OCHO methyl formate 1.101 -0.009
CH3CHO Acetaldehyde 1.114 -0.009
CH3CHNOH Acetaldoxime 1.100 -0.009
C5H6 1-Buten-3-yne, 2-methyl- 1.091 -0.009
C5H8O 2H-Pyran, 3,4-dihydro- 1.090 -0.008
CH2CHF Ethene, fluoro- 1.087 -0.008
C3H4N2 1H-Pyrazole 1.083 -0.008
CH2NH Methanimine 1.103 -0.008
C3H6O 2-Propen-1-ol 1.092 -0.008
HCOOH Formic acid 1.097 -0.007
CH3CH2CHO Propanal 1.105 -0.007
CH3CH2OH Ethanol 1.098 -0.007
C3H4N2 1H-Pyrazole 1.082 -0.007
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.087 -0.007
CHF3 Methane, trifluoro- 1.091 -0.007
CH3OH Methyl alcohol 1.096 -0.007
C5H8 Bicyclo[2.1.0]pentane 1.085 -0.007
CH2CS Thioketene 1.090 -0.007
CH2O2 Dioxirane 1.090 -0.006
C4H4N2 1,3-Diazine 1.087 -0.006
C3H6O 2-Propen-1-ol 1.091 -0.006
CH2CHCHO Acrolein 1.113 -0.006
C3H4N2 1H-Pyrazole 1.080 -0.006
C2H4F2 1,2-difluoroethane 1.099 -0.006
HFCO formyl fluoride 1.095 -0.006
C4H6 Methylenecyclopropane 1.090 -0.006
C6H8 Bicyclo[3.1.0]hex-2-ene 1.089 -0.006
CH3NO3 Methyl nitrate 1.095 -0.005
CH3NO nitrosomethane 1.094 -0.005
CH3CH2CHO Propanal 1.096 -0.005
CH2NOH formaldoxime 1.086 -0.005
C6H6 Benzvalene 1.078 -0.005
C3H8O2 Propylene glycol 1.095 -0.004
C3H3NO Oxazole 1.075 -0.004
CHFClBr fluorochlorobromomethane 1.088 -0.004
C4H4O Furan 1.076 -0.004
C6H5CH3 toluene 1.100 -0.004
CH3CH(CH3)CH3 Isobutane 1.100 -0.004
C3H3NO Oxazole 1.075 -0.004
C5H6 1-Buten-3-yne, 2-methyl- 1.065 -0.004
C4H5N (E)-2-Butenenitrile 1.090 -0.004
C4H6 Cyclobutene 1.083 -0.004
C6H10 cyclohexene 1.090 -0.003
C3H3NO Oxazole 1.073 -0.003
CH2 Methylene 1.085 -0.003
CH3NHCH3 Dimethylamine 1.098 -0.003
C6H6 Benzvalene 1.082 -0.003
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.088 -0.003
C4H6 Methylenecyclopropane 1.088 -0.003
C6H12 Cyclohexane 1.101 -0.003
CH2CO Ketene 1.083 -0.003
CH3Cl Methyl chloride 1.090 -0.003
CH2CHCHO Acrolein 1.089 -0.003
C5H8 Cyclopentene 1.085 -0.003
CH2CHCH2CH3 1-Butene 1.095 -0.003
CH3ONO Methyl nitrite 1.090 -0.003
C3H4 cyclopropene 1.072 -0.003
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.003
CH2CCH2 allene 1.087 -0.003
C3H4 cyclopropene 1.088 -0.003
C2H6O2S Dimethyl sulfone 1.091 -0.002
C2H4 Ethylene 1.086 -0.002
CH2CHCH2CH3 1-Butene 1.090 -0.002
C2H2 Acetylene 1.063 -0.002
C4H6 Cyclobutene 1.094 -0.002
CH3NC methyl isocyanide 1.094 -0.002
H2NCH2COOH Glycine 1.096 -0.002
C3H6 Cyclopropane 1.083 -0.002
C6H6 Benzene 1.084 -0.002
C10H8 Azulene 1.081 -0.002
HCN Hydrogen cyanide 1.064 -0.002
CH3CHFCH3 2-Fluoropropane 1.094 -0.002
C10H8 Azulene 1.080 -0.002
C2H5N Aziridine 1.083 -0.002
C3H4O Cyclopropanone 1.086 -0.002
CH3CHFCH3 2-Fluoropropane 1.093 -0.002
CH2CHOH ethenol 1.086 -0.002
CH2CHCHO Acrolein 1.084 -0.002
C5H8 Cyclopentene 1.095 -0.002
C6H8 Bicyclo[3.1.0]hex-2-ene 1.082 -0.001
C4H10O Propane, 2-methoxy- 1.095 -0.001
CH3CCH propyne 1.096 -0.001
C3H3N acrylonitrile 1.086 -0.001
C2H4S Thiirane 1.083 -0.001
C3H6O 2-Propen-1-ol 1.102 -0.001
C3H8 Propane 1.096 -0.001
HOCH2COOH Hydroxyacetic acid 1.097 -0.001
CH3CHClCH3 Propane, 2-chloro- 1.091 -0.001
C4H4N2 1,3-Diazine 1.082 -0.001
CH3OC2H5 Ethane, methoxy- 1.092 -0.001
C2H4O Ethylene oxide 1.084 -0.001
C4H8 cyclobutane 1.093 -0.001
CH2CHF Ethene, fluoro- 1.082 -0.001
C4H8 cyclobutane 1.091 -0.001
C6H6 Benzvalene 1.078 -0.001
C4H4N2 Pyrazine 1.083 -0.001
C2H2F2 Ethene, 1,2-difluoro-, (E)- 1.080 -0.001
C4H5N Pyrrole 1.076 -0.001
CH2NOH formaldoxime 1.085 -0.001
CH3SOCH3 Dimethyl sulfoxide 1.093 -0.001
C6H10 cyclohexene 1.100 -0.001
CH3OC2H5 Ethane, methoxy- 1.100 -0.001
C6H5F Fluorobenzene 1.083 -0.001
CH3OC2H5 Ethane, methoxy- 1.099 -0.000
C2H5F fluoroethane 1.095 -0.000
C6H5F Fluorobenzene 1.081 -0.000
CH3OCH3 Dimethyl ether 1.099 -0.000
CH3CHS Thioacetaldehyde 1.090 -0.000
CH2Cl2 Methylene chloride 1.085 -0.000
C6H5OH phenol 1.082 -0.000
CHF2CHF2 1,1,2,2-tetrafluoroethane 1.087 -0.000
C6H5NH2 aniline 1.084 -0.000
CH3NO nitrosomethane 1.092 -0.000
C3H8 Propane 1.094 -0.000
H2CS Thioformaldehyde 1.087 0.000
CHOCHCHCH3 2-Butenal 1.084 0.000
C6H5CN phenyl cyanide 1.082 0.000
C6H5CH3 toluene 1.083 0.000
C10H8 Azulene 1.084 0.000
C4H10O Ethoxy ethane 1.100 0.000
CH(CN)3 tricyanomethane 1.100 0.000
C2H5N Aziridine 1.084 0.000
C2H3 vinyl 1.080 0.000
CH3SCH3 Dimethyl sulfide 1.091 0.000
CH3CHS Thioacetaldehyde 1.098 0.000
C6H8 1,4-Cyclohexadiene 1.100 0.000
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.092 0.001
CH3OCHO methyl formate 1.086 0.001
CH3CHS Thioacetaldehyde 1.089 0.001
C6H5OH phenol 1.084 0.001
C5H10 Cyclopropane, 1,1-dimethyl- 1.095 0.001
CH2CHCHO Acrolein 1.081 0.001
C3H4O Methylketene 1.083 0.001
C5H4O2 4-Cyclopentene-1,3-dione 1.093 0.001
C4H10O Ethoxy ethane 1.092 0.001
CH3CCH propyne 1.060 0.001
C4H4Se selenophene 1.079 0.001
CH3 Methyl radical 1.079 0.001
CH3NO3 Methyl nitrate 1.088 0.001
C2H2+ acetylene cation 1.077 0.001
CH2CHOH ethenol 1.079 0.001
CH3NO2 Methane, nitro- 1.088 0.001
C2H4F2 1,2-difluoroethane 1.093 0.001
C2H5Br Ethyl bromide 1.087 0.001
C6H5CN phenyl cyanide 1.080 0.002
CHOCHCHCH3 2-Butenal 1.108 0.002
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.095 0.002
C2H5Br Ethyl bromide 1.093 0.002
C6H5CH3 toluene 1.081 0.002
C2H5F fluoroethane 1.091 0.002
C4H10O Propane, 2-methoxy- 1.095 0.002
C2H6 Ethane 1.091 0.002
C4H10O Ethoxy ethane 1.090 0.002
C6H5F Fluorobenzene 1.080 0.002
CHOCHCHCH3 2-Butenal 1.090 0.002
C2H5F fluoroethane 1.090 0.002
C3H6O 2-Propen-1-ol 1.096 0.002
C5H6 1-Buten-3-yne, 2-methyl- 1.090 0.002
CH2NN diazomethane 1.075 0.002
CH3CHClCH3 Propane, 2-chloro- 1.092 0.002
C6H12 Cyclohexane 1.093 0.002
C4H5N (E)-2-Butenenitrile 1.090 0.002
C5H8O Cyclopentanone 1.095 0.002
CH3CHFCH3 2-Fluoropropane 1.092 0.002
C5H10 2-Pentene, (Z)- 1.092 0.003
C4H4N2 Succinonitrile 1.092 0.003
C3H6O Propylene oxide 1.090 0.003
CH3CHNOH Acetaldoxime 1.085 0.003
H2CCCCH2 Butatriene 1.083 0.003
CH3CH(CH3)CH3 Isobutane 1.092 0.003
C5H6 1-Buten-3-yne, 2-methyl- 1.081 0.003
CH3OC2H5 Ethane, methoxy- 1.089 0.003
C6H5CN phenyl cyanide 1.080 0.003
CH3COF Acetyl fluoride 1.084 0.003
CH3I methyl iodide 1.084 0.003
CH3CH2SH ethanethiol 1.091 0.003
C5H10 Cyclopropane, 1,1-dimethyl- 1.080 0.003
CH2CHF Ethene, fluoro- 1.077 0.003
CH3CHO Acetaldehyde 1.086 0.003
C6H5CH3 toluene 1.081 0.003
CH4 Methane 1.087 0.003
C5H6 Cyclopropylacetylene 1.080 0.003
C6H8 Bicyclo[3.1.0]hex-2-ene 1.078 0.004
CH3CHFCH3 2-Fluoropropane 1.088 0.004
CH3OC2H5 Ethane, methoxy- 1.086 0.004
C4H2 Diacetylene 1.058 0.004
C10H16 adamantane 1.093 0.004
C4H10O Propane, 2-methoxy- 1.090 0.004
C3H6O Propylene oxide 1.082 0.004
CH3CH2OH Ethanol 1.088 0.004
C4H4N2 1,3-Diazine 1.079 0.004
C6H10O cyclohexanone 1.088 0.004
C2H6O2 1,2-Ethanediol 1.093 0.004
C3H8 Propane 1.089 0.004
C10H8 Azulene 1.083 0.004
CH3Br methyl bromide 1.082 0.004
CH3OCH3 Dimethyl ether 1.085 0.004
C10H8 Azulene 1.081 0.004
C3H6O 2-Propen-1-ol 1.078 0.005
C2H5CN ethyl cyanide 1.087 0.005
CH2Br2 dibromomethane 1.079 0.005
CHOCHCHCH3 2-Butenal 1.086 0.005
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.091 0.005
C4H5N (E)-2-Butenenitrile 1.081 0.005
HCCF Fluoroacetylene 1.053 0.005
C6H10 1-Butyne, 3,3-dimethyl- 1.056 0.005
C5H10 2-Pentene, (E)- 1.082 0.005
C5H6 Cyclopropylacetylene 1.055 0.006
CH3F Methyl fluoride 1.087 0.006
C6H5CCH phenylacetylene 1.055 0.006
C6H8 Bicyclo[3.1.0]hex-2-ene 1.091 0.006
CH2F2 Methane, difluoro- 1.084 0.006
CH3CH2O Ethoxy radical 1.085 0.007
CH3CH2O Ethoxy radical 1.086 0.007
C2H5CN ethyl cyanide 1.088 0.007
C6H5OH phenol 1.076 0.007
CH2NH Methanimine 1.081 0.007
C4H4Se selenophene 1.070 0.008
CH3CF3 Ethane, 1,1,1-trifluoro- 1.081 0.008
CH3NHCH3 Dimethylamine 1.098 0.008
C2H3 vinyl 1.085 0.008
CH3NHCH3 Dimethylamine 1.084 0.009
C5H8 1,3-Butadiene, 2-methyl- 1.076 0.009
C8H8 cyclooctatetraene 1.079 0.009
CH3CHF2 Ethane, 1,1-difluoro- 1.081 0.009
C3H4O Methylketene 1.083 0.009
CHCl3 Chloroform 1.073 0.010
CH3NH2 methyl amine 1.093 0.010
CHONH2 formamide 1.090 0.011
C3H7N Cyclopropylamine 1.080 0.011
CH2NCH3 N-methylmethanimine 1.089 0.012
CH3CH2OH Ethanol 1.086 0.012
CH3CH2O Ethoxy radical 1.088 0.014
C4H9N Pyrrolidine 1.090 0.015
C2H Ethynyl radical 1.047 0.016
C3H5 Allyl radical 1.069 0.017
C4H4N2 Pyridazine 1.064 0.017
N(CH3)3 Trimethylamine 1.088 0.019
CH2I2 Diiodomethane 1.066 0.019
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.072 0.021
CH Methylidyne 1.120 0.025
HCNO fulminic acid 1.027 0.030
C5H10 2-Pentene, (Z)- 1.058 0.031
CH3SOCH3 Dimethyl sulfoxide 1.054 0.037
HCO Formyl radical 1.080 0.039
C4H10O Methyl propyl ether 1.099 0.344
C3H3NO Isoxazole 1.075 0.351
C4H6 1-Methylcyclopropene 1.070 0.455
C4H6 1-Methylcyclopropene 1.098 0.665
C4H6 1-Methylcyclopropene 1.098 0.681
C4H6 1-Methylcyclopropene 1.087 0.745
C4H6 1-Methylcyclopropene 1.087 2.334
C4H6 1-Methylcyclopropene 1.085 3.110