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Compare Bonds

18 10 26 16 45

B3LYP/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 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
-0.500 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-0.045
Most positive difference C4H6 1-Methylcyclopropene3.122

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C3H8O2 1,3-Propanediol 1.140 -0.045
C3H5Cl3 Propane, 1,2,3-trichloro- 1.131 -0.043
C5H8O Methyl cyclopropyl ketone 1.126 -0.035
CH3CONH2 Acetamide 1.124 -0.034
CHOCH(CH3)CH3 Propanal, 2-methyl- 1.127 -0.032
CH2SHCH2SH 1,2-Ethanedithiol 1.120 -0.030
C2H2O2 Ethanedial 1.132 -0.029
C2H3CCH 1-Buten-3-yne 1.090 -0.028
CHBr3 bromoform 1.110 -0.028
CH2ClCHClCH3 Propane, 1,2-dichloro- 1.113 -0.027
CH2ClCH2Cl Ethane, 1,2-dichloro- 1.112 -0.025
CH2ClCH2CH3 Propane, 1-chloro- 1.113 -0.025
C4H6O2 2,3-Butanedione 1.114 -0.023
C4H5N Cyclopropanecarbonitrile 1.107 -0.023
C2H6N2O2 Dimethylnitroamine 1.121 -0.023
C3H6S3 1,3,5-Trithiane 1.114 -0.023
C2HF3 Trifluoroethylene 1.100 -0.023
C6H14 Hexane 1.118 -0.022
HCONHCH3 N-methylformamide 1.114 -0.022
C7H16 heptane 1.121 -0.022
C2H3CCH 1-Buten-3-yne 1.106 -0.022
C5H6 Propellane 1.106 -0.022
CH2ClCH2CH2CH3 Butane, 1-chloro- 1.110 -0.021
CHClCHCl Ethene, 1,2-dichloro-, (Z)- 1.101 -0.021
C5H8 Spiropentane 1.105 -0.021
C3H7NO dimethylformamide 1.112 -0.020
C5H12O Butane, 1-methoxy- 1.115 -0.020
C5H10 Cyclopentane 1.114 -0.019
CH3CCCH3 2-Butyne 1.116 -0.019
C5H12 Pentane 1.118 -0.019
CH3CH2CH2CH3 Butane 1.117 -0.019
Si(CH3)4 tetramethylsilane 1.115 -0.018
C7H12 Norbornane 1.113 -0.018
C6H12 (E)-3-methylpent-2-ene 1.116 -0.017
C5H12 Propane, 2,2-dimethyl- 1.114 -0.017
C5H10S 2H-Thiopyran, tetrahydro- 1.114 -0.017
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.102 -0.017
C5H10O 2H-Pyran, tetrahydro- 1.116 -0.017
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.098 -0.017
C4H10O2 Ethane, 1,2-dimethoxy- 1.109 -0.017
CH3CHClCH2CH3 Butane, 2-chloro- 1.110 -0.016
C6H8 (Z)-hexa-1,3,5-triene 1.104 -0.016
C4H8O2 Ethyl acetate 1.105 -0.015
CH3OCl methyl hypochlorite 1.111 -0.015
CH3SH Methanethiol 1.104 -0.015
C5H8 Ethenylcyclopropane 1.099 -0.014
N(CH3)3 Trimethylamine 1.109 -0.014
CH2CHOH ethenol 1.097 -0.014
C6H5NO2 Nitrobenzene 1.093 -0.013
C12H8 biphenylene 1.096 -0.013
CH2CF2 Ethene, 1,1-difluoro- 1.091 -0.013
CH2N2 diazirine 1.090 -0.012
CH3COCl Acetyl Chloride 1.105 -0.012
C5H8 1,4-Pentadiene 1.110 -0.012
C2H8N2 Ethylenediamine 1.109 -0.012
CH3COCH3 Acetone 1.103 -0.012
C3H8O2 Methane, dimethoxy- 1.108 -0.011
CH3CH2NH2 Ethylamine 1.107 -0.011
C8H8 cubane 1.097 -0.011
C2H3Cl Ethene, chloro- 1.090 -0.011
C3H6S Thietane 1.100 -0.011
CH3COOH Acetic acid 1.100 -0.011
C3H2N2 Malononitrile 1.109 -0.010
CH3CCl2CH3 Propane, 2,2-dichloro- 1.101 -0.010
CH3CH(CH3)CH3 Isobutane 1.108 -0.009
C4H6O Cyclobutanone 1.100 -0.009
CH3CH2CHO Propanal 1.103 -0.009
CH3ONO Methyl nitrite 1.102 -0.009
CH3CN Acetonitrile 1.104 -0.009
C6H5CH2CH3 Ethylbenzene 1.094 -0.009
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.009
C4H8O2 1,3-Dioxolane, 2-methyl- 1.102 -0.009
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 1.089 -0.008
C5H6S Thiophene, 3-methyl- 1.090 -0.008
C3H5ClO Oxirane, (chloromethyl)- 1.095 -0.008
C5H8 Cyclobutane, methylene- 1.101 -0.008
C5H6 1-Buten-3-yne, 2-methyl- 1.091 -0.007
C5H8O 2H-Pyran, 3,4-dihydro- 1.090 -0.007
CH3CH2CHO Propanal 1.115 -0.007
C4H8O2 1,3-Dioxane 1.095 -0.007
CH3OCHO methyl formate 1.101 -0.007
C3H4N2 1H-Pyrazole 1.083 -0.006
H2CO Formaldehyde 1.111 -0.006
CH2NH Methanimine 1.103 -0.006
CH3O Methoxy radical 1.112 -0.006
CH3CHCl2 Ethane, 1,1-dichloro- 1.090 -0.006
C3H4N2 1H-Pyrazole 1.082 -0.006
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.087 -0.005
CH2CHF Ethene, fluoro- 1.087 -0.005
CHF2Cl difluorochloromethane 1.090 -0.005
C3H6O 2-Propen-1-ol 1.092 -0.005
CH3CHO Acetaldehyde 1.114 -0.005
CH2PH Phosphaethene 1.090 -0.005
C6H8 Bicyclo[3.1.0]hex-2-ene 1.089 -0.005
C4H4N2 1,3-Diazine 1.087 -0.005
C5H8 Bicyclo[2.1.0]pentane 1.085 -0.005
C3H4N2 1H-Pyrazole 1.080 -0.005
CH3CH2CHO Propanal 1.105 -0.005
CH2PH Phosphaethene 1.090 -0.005
CH3SSCH3 Disulfide, dimethyl 1.097 -0.005
CH3SCH2CH3 Ethane, (methylthio)- 1.097 -0.004
C4H6 Methylenecyclopropane 1.090 -0.004
CH2O2 Dioxirane 1.090 -0.004
CH3CH2OH Ethanol 1.098 -0.004
C3H6O 2-Propen-1-ol 1.091 -0.004
HCOOH Formic acid 1.097 -0.004
C2H4F2 1,2-difluoroethane 1.099 -0.004
CHFClBr fluorochlorobromomethane 1.088 -0.004
CH3NO3 Methyl nitrate 1.095 -0.004
HFCO formyl fluoride 1.095 -0.004
CH3OH Methyl alcohol 1.096 -0.004
C5H6 1-Buten-3-yne, 2-methyl- 1.065 -0.004
CH2CS Thioketene 1.090 -0.004
CH3Cl Methyl chloride 1.090 -0.003
CH2CHCHO Acrolein 1.113 -0.003
CH2FCl fluorochloromethane 1.090 -0.003
C3H8O2 Propylene glycol 1.095 -0.003
CH3NO nitrosomethane 1.094 -0.003
CHF3 Methane, trifluoro- 1.091 -0.003
CH3CH(CH3)CH3 Isobutane 1.100 -0.003
CH2 Methylene 1.085 -0.003
CH3PH2 Methyl phosphine 1.094 -0.003
C4H5N (E)-2-Butenenitrile 1.090 -0.002
CH2NOH formaldoxime 1.086 -0.002
C6H10 cyclohexene 1.090 -0.002
CH3CH2CHO Propanal 1.096 -0.002
CH2Cl2 Methylene chloride 1.085 -0.002
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.088 -0.002
C4H6 Cyclobutene 1.083 -0.002
C6H12 Cyclohexane 1.101 -0.002
CH3SOCH3 Dimethyl sulfoxide 1.093 -0.002
CH2BrF Methane, bromofluoro- 1.090 -0.002
C4H4S Thiophene 1.079 -0.002
C6H5CH3 toluene 1.100 -0.002
C6H6 Benzvalene 1.078 -0.002
CH3NHCH3 Dimethylamine 1.098 -0.002
C4H6S Thiophene, 2,5-dihydro- 1.095 -0.002
C4H4O Furan 1.076 -0.002
C4H6 Methylenecyclopropane 1.088 -0.002
C3H3NO Oxazole 1.075 -0.002
CHClCCl2 Trichloroethylene 1.080 -0.002
C5H8 Cyclopentene 1.085 -0.002
C2H6O2S Dimethyl sulfone 1.091 -0.001
CH3CHClCH3 Propane, 2-chloro- 1.091 -0.001
C6H6 Benzvalene 1.082 -0.001
CH2CHCHO Acrolein 1.089 -0.001
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.001
C3H3NO Oxazole 1.075 -0.001
C4H6O Furan, 2,5-dihydro- 1.100 -0.001
CH3ONO Methyl nitrite 1.090 -0.001
CH3SeCH3 dimethylselenide 1.093 -0.001
C3H3NO Oxazole 1.073 -0.001
C2H2 Acetylene 1.063 -0.001
C5H8 Cyclopentene 1.095 -0.001
CH3SiH3 methyl silane 1.096 -0.001
H2NCH2COOH Glycine 1.096 -0.001
C4H6 Cyclobutene 1.094 -0.001
CH2CO Ketene 1.083 -0.001
CH3NC methyl isocyanide 1.094 -0.000
CH3SCH3 Dimethyl sulfide 1.091 -0.000
C3H4O Cyclopropanone 1.086 -0.000
C2H4S Thiirane 1.083 -0.000
CH2CHCH2CH3 1-Butene 1.095 -0.000
C3H4 cyclopropene 1.072 -0.000
CH2CHOH ethenol 1.086 -0.000
HCN Hydrogen cyanide 1.064 -0.000
C2H5N Aziridine 1.083 -0.000
C3H4 cyclopropene 1.088 -0.000
C2H4 Ethylene 1.086 -0.000
CH2CHCH2CH3 1-Butene 1.090 -0.000
C4H8 cyclobutane 1.093 -0.000
CH2CCH2 allene 1.087 -0.000
CH3CCl3 Ethane, 1,1,1-trichloro- 1.093 0.000
C3H3N acrylonitrile 1.086 0.000
C10H8 Azulene 1.081 0.000
C6H6 Benzene 1.084 0.000
C4H6S Thiophene, 2,5-dihydro- 1.085 0.000
C10H8 Azulene 1.080 0.000
C4H10O Propane, 2-methoxy- 1.095 0.000
C6H8 Bicyclo[3.1.0]hex-2-ene 1.082 0.000
C3H6 Cyclopropane 1.083 0.000
C2H2ClF 1-chloro-1-fluoroethylene 1.082 0.000
HCCCN Cyanoacetylene 1.062 0.000
C4H4N2 Pyrazine 1.083 0.000
C6H5F Fluorobenzene 1.083 0.000
C4H5N Pyrrole 1.076 0.000
C4H8 cyclobutane 1.091 0.001
C2H2F2 Ethene, 1,2-difluoro-, (E)- 1.080 0.001
C4H4N2 1,3-Diazine 1.082 0.001
CH3CCH propyne 1.096 0.001
CH3CHFCH3 2-Fluoropropane 1.094 0.001
CH2CHCHO Acrolein 1.084 0.001
H2CS Thioformaldehyde 1.087 0.001
C6H10 cyclohexene 1.100 0.001
C6H5F Fluorobenzene 1.081 0.001
C2H3 vinyl 1.080 0.001
CH3CHFCH3 2-Fluoropropane 1.093 0.001
C6H5NH2 aniline 1.084 0.001
C6H5OH phenol 1.082 0.001
CH3CHS Thioacetaldehyde 1.090 0.001
C6H6 Benzvalene 1.078 0.001
C6H5CN phenyl cyanide 1.082 0.001
CH3SCH2CH3 Ethane, (methylthio)- 1.090 0.001
C6H5CH3 toluene 1.083 0.001
C3H7SH 1-Propanethiol 1.094 0.001
C3H8 Propane 1.096 0.001
C2H5F fluoroethane 1.095 0.001
CHOCHCHCH3 2-Butenal 1.084 0.001
CH3CHS Thioacetaldehyde 1.089 0.001
CH3CCH propyne 1.060 0.001
C6H5Cl chlorobenzene 1.082 0.001
CH2NOH formaldoxime 1.085 0.002
CH2CHF Ethene, fluoro- 1.082 0.002
CH3OC2H5 Ethane, methoxy- 1.092 0.002
C4H10O Ethoxy ethane 1.100 0.002
C2H5N Aziridine 1.084 0.002
C3H6O 2-Propen-1-ol 1.102 0.002
C3H7SH 1-Propanethiol 1.090 0.002
C2H4O Ethylene oxide 1.084 0.002
CH3OC2H5 Ethane, methoxy- 1.100 0.002
C2H2+ acetylene cation 1.077 0.002
C6H5OH phenol 1.084 0.002
HOCH2COOH Hydroxyacetic acid 1.097 0.002
CH3CH2Cl Ethyl chloride 1.086 0.002
C2H5Br Ethyl bromide 1.087 0.002
CH3OCHO methyl formate 1.086 0.002
HCS+ Thioformyl cation 1.079 0.002
C3H4O Methylketene 1.083 0.002
CH3CHS Thioacetaldehyde 1.098 0.002
CH3SCH2CH3 Ethane, (methylthio)- 1.089 0.002
C6H8 1,4-Cyclohexadiene 1.100 0.002
C5H4O2 4-Cyclopentene-1,3-dione 1.093 0.002
C6H5Cl chlorobenzene 1.081 0.002
CH3OC2H5 Ethane, methoxy- 1.099 0.002
CH3CHSHCH3 2-Propanethiol 1.091 0.002
C10H8 Azulene 1.084 0.002
C5H10 Cyclopropane, 1,1-dimethyl- 1.095 0.002
CH3OCH3 Dimethyl ether 1.099 0.002
CH(CN)3 tricyanomethane 1.100 0.002
CH3SCH2CH3 Ethane, (methylthio)- 1.092 0.002
C3H8 Propane 1.094 0.002
C6H5CN phenyl cyanide 1.080 0.002
CH3NO nitrosomethane 1.092 0.003
CH2CHOH ethenol 1.079 0.003
CHOCHCHCH3 2-Butenal 1.108 0.003
C6H5Cl chlorobenzene 1.079 0.003
C4H10O Ethoxy ethane 1.092 0.003
C6H5CH3 toluene 1.081 0.003
CH3NO3 Methyl nitrate 1.088 0.003
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.092 0.003
C4H4Se selenophene 1.079 0.003
CH2CHCHO Acrolein 1.081 0.003
CHClCHCl Ethene, 1,2-dichloro-, (E)- 1.075 0.003
CH3 Methyl radical 1.079 0.003
CHF2CHF2 1,1,2,2-tetrafluoroethane 1.087 0.003
C6H5F Fluorobenzene 1.080 0.003
CH3SeH Methane selenol 1.088 0.003
HCP Phosphaethyne 1.067 0.003
C4H10O Propane, 2-methoxy- 1.095 0.003
C2H4F2 1,2-difluoroethane 1.093 0.003
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.095 0.003
C2H5F fluoroethane 1.091 0.004
CH3I methyl iodide 1.084 0.004
CHOCHCHCH3 2-Butenal 1.090 0.004
CH3CH2Cl Ethyl chloride 1.089 0.004
C4H10O Ethoxy ethane 1.090 0.004
C4H4N2 Succinonitrile 1.092 0.004
CH3NO2 Methane, nitro- 1.088 0.004
C5H6 1-Buten-3-yne, 2-methyl- 1.081 0.004
C5H6 1-Buten-3-yne, 2-methyl- 1.090 0.004
C2H5F fluoroethane 1.090 0.004
C6H12 Cyclohexane 1.093 0.004
C4H2 Diacetylene 1.058 0.004
C4H5N (E)-2-Butenenitrile 1.090 0.004
C3H7SH 1-Propanethiol 1.092 0.004
C2H3Cl Ethene, chloro- 1.079 0.004
C3H6O Propylene oxide 1.090 0.004
C5H10 2-Pentene, (Z)- 1.092 0.004
C6H5CN phenyl cyanide 1.080 0.004
H2CCCCH2 Butatriene 1.083 0.004
C6H5CH3 toluene 1.081 0.004
C5H10 Cyclopropane, 1,1-dimethyl- 1.080 0.004
CH3CH(CH3)CH3 Isobutane 1.092 0.004
C5H8O Cyclopentanone 1.095 0.004
C10H16 adamantane 1.093 0.004
C2H6 Ethane 1.091 0.005
CH3COF Acetyl fluoride 1.084 0.005
C3H6O 2-Propen-1-ol 1.096 0.005
C6H8 Bicyclo[3.1.0]hex-2-ene 1.078 0.005
C2H5Br Ethyl bromide 1.093 0.005
CH2Br2 dibromomethane 1.079 0.005
C5H6 Cyclopropylacetylene 1.080 0.005
CH3Br methyl bromide 1.082 0.005
HCCBr bromoacetylene 1.055 0.005
CHOCHCHCH3 2-Butenal 1.086 0.005
C6H10O cyclohexanone 1.088 0.005
CH3CHFCH3 2-Fluoropropane 1.092 0.005
CH2CHF Ethene, fluoro- 1.077 0.005
C4H10O Propane, 2-methoxy- 1.090 0.005
C6H10 1-Butyne, 3,3-dimethyl- 1.056 0.005
C2H6O2 1,2-Ethanediol 1.093 0.006
C3H6O Propylene oxide 1.082 0.006
CH3OC2H5 Ethane, methoxy- 1.089 0.006
C4H4N2 1,3-Diazine 1.079 0.006
HCCCl Chloroacetylene 1.055 0.006
CH3CHClCH3 Propane, 2-chloro- 1.092 0.006
C5H10 2-Pentene, (E)- 1.082 0.006
CH3CHO Acetaldehyde 1.086 0.006
CH3S thiomethoxy 1.090 0.006
CH3CHFCH3 2-Fluoropropane 1.088 0.006
HCCF Fluoroacetylene 1.053 0.006
C10H8 Azulene 1.083 0.006
C4H5N (E)-2-Butenenitrile 1.081 0.006
C5H6 Cyclopropylacetylene 1.055 0.006
CH4 Methane 1.087 0.006
CH3OC2H5 Ethane, methoxy- 1.086 0.006
CH3CH2SH ethanethiol 1.091 0.006
C6H5CCH phenylacetylene 1.055 0.006
SiH2(CH3)2 dimethylsilane 1.089 0.006
C10H8 Azulene 1.081 0.006
CH3CH2OH Ethanol 1.088 0.007
C3H6O 2-Propen-1-ol 1.078 0.007
C3H8 Propane 1.089 0.007
CH3OCH3 Dimethyl ether 1.085 0.007
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.091 0.007
C2H5CN ethyl cyanide 1.087 0.007
C6H8 Bicyclo[3.1.0]hex-2-ene 1.091 0.007
C4H4Se selenophene 1.070 0.007
CH3CH2Cl Ethyl chloride 1.090 0.008
CH3OCl methyl hypochlorite 1.086 0.008
C6H5OH phenol 1.076 0.008
CHCl3 Chloroform 1.073 0.008
CH3SCH2CH3 Ethane, (methylthio)- 1.087 0.009
CH2NH Methanimine 1.081 0.009
CH3F Methyl fluoride 1.087 0.009
CH3CH2O Ethoxy radical 1.085 0.009
C2H5CN ethyl cyanide 1.088 0.009
C2H3 vinyl 1.085 0.009
CH3CH2O Ethoxy radical 1.086 0.009
CH3CF3 Ethane, 1,1,1-trifluoro- 1.081 0.009
CH3NHCH3 Dimethylamine 1.098 0.009
HCCl Chloromethylene 1.119 0.010
CH2F2 Methane, difluoro- 1.084 0.010
C6H5Br bromobenzene 1.072 0.010
C8H8 cyclooctatetraene 1.079 0.011
CH3NHCH3 Dimethylamine 1.084 0.011
C4H9N Pyrrolidine 1.090 0.011
C3H4O Methylketene 1.083 0.011
GeH3CH3 methyl germane 1.083 0.011
CH3CHF2 Ethane, 1,1-difluoro- 1.081 0.012
CH2CCl2 Ethene, 1,1-dichloro- 1.070 0.013
C3H7N Cyclopropylamine 1.080 0.013
C5H6S Thiophene, 3-methyl- 1.081 0.013
CH2NCH3 N-methylmethanimine 1.089 0.013
CH3NH2 methyl amine 1.093 0.013
CHONH2 formamide 1.090 0.014
CH3CH2OH Ethanol 1.086 0.015
CH3CH2O Ethoxy radical 1.088 0.017
C2H Ethynyl radical 1.047 0.017
C4H4N2 Pyridazine 1.064 0.018
CH2I2 Diiodomethane 1.066 0.019
C3H5 Allyl radical 1.069 0.020
CH3CCl(CH3)CH3 Propane, 2-chloro-2-methyl- 1.078 0.020
N(CH3)3 Trimethylamine 1.088 0.020
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.072 0.022
CH Methylidyne 1.120 0.025
HCNO fulminic acid 1.027 0.032
C5H10 2-Pentene, (Z)- 1.058 0.032
CH3SOCH3 Dimethyl sulfoxide 1.054 0.036
HCO Formyl radical 1.080 0.043
C4H10O Methyl propyl ether 1.099 0.354
C3H3NO Isoxazole 1.075 0.356
C4H6 1-Methylcyclopropene 1.070 0.464
C4H6 1-Methylcyclopropene 1.098 0.669
C4H6 1-Methylcyclopropene 1.098 0.685
C4H6 1-Methylcyclopropene 1.087 0.748
C4H6 1-Methylcyclopropene 1.087 2.354
C4H6 1-Methylcyclopropene 1.085 3.122