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Compare Bonds

18 10 26 16 45

HF/6-31G 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 C6H6 Fulvene-0.057
Most positive difference C4H6 1-Methylcyclopropene3.094

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C6H6 Fulvene 1.130 -0.057
C3H8O2 1,3-Propanediol 1.140 -0.056
C2H2O2 Ethanedial 1.132 -0.051
C5H8O Methyl cyclopropyl ketone 1.126 -0.047
CH3CONH2 Acetamide 1.124 -0.046
CHOCH(CH3)CH3 Propanal, 2-methyl- 1.127 -0.043
CH2SHCH2SH 1,2-Ethanedithiol 1.120 -0.042
CHBr3 bromoform 1.110 -0.042
C2H6N2O2 Dimethylnitroamine 1.121 -0.041
CH2ClCHClCH3 Propane, 1,2-dichloro- 1.113 -0.040
CH2ClCH2Cl Ethane, 1,2-dichloro- 1.112 -0.038
CH2ClCH2CH3 Propane, 1-chloro- 1.113 -0.037
C2H3CCH 1-Buten-3-yne 1.090 -0.037
C2HF3 Trifluoroethylene 1.100 -0.037
C3H6S3 1,3,5-Trithiane 1.114 -0.036
C3H7NO dimethylformamide 1.112 -0.035
C4H5N Cyclopropanecarbonitrile 1.107 -0.035
C4H6O2 2,3-Butanedione 1.114 -0.035
C5H6 Propellane 1.106 -0.034
CH2ClCH2CH2CH3 Butane, 1-chloro- 1.110 -0.034
HCONHCH3 N-methylformamide 1.114 -0.034
C2H3CCH 1-Buten-3-yne 1.106 -0.034
C6H14 Hexane 1.118 -0.033
CHClCHCl Ethene, 1,2-dichloro-, (Z)- 1.101 -0.033
C7H16 heptane 1.121 -0.033
CH3CCCH3 2-Butyne 1.116 -0.032
CH3OCl methyl hypochlorite 1.111 -0.032
C4H10O2 Ethane, 1,2-dimethoxy- 1.109 -0.031
C5H8 Spiropentane 1.105 -0.031
C5H12O Butane, 1-methoxy- 1.115 -0.031
C5H10 Cyclopentane 1.114 -0.030
C5H12 Pentane 1.118 -0.030
CH3CH2CH2CH3 Butane 1.117 -0.030
Si(CH3)4 tetramethylsilane 1.115 -0.030
H2CO Formaldehyde 1.111 -0.029
C6H12 (E)-3-methylpent-2-ene 1.116 -0.029
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.102 -0.029
C7H12 Norbornane 1.113 -0.029
C5H10S 2H-Thiopyran, tetrahydro- 1.114 -0.029
C5H12 Propane, 2,2-dimethyl- 1.114 -0.029
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.098 -0.029
C3H8O2 Methane, dimethoxy- 1.108 -0.028
CH3CH2CHO Propanal 1.115 -0.028
CH3CHO Acetaldehyde 1.114 -0.028
C5H8 1,3-Butadiene, 2-methyl- 1.110 -0.028
CH2CHOH ethenol 1.097 -0.028
C5H10O 2-Butanone, 3-methyl- 1.113 -0.028
CH3CHClCH2CH3 Butane, 2-chloro- 1.110 -0.028
C6H8 (Z)-hexa-1,3,5-triene 1.104 -0.028
C5H10O 2H-Pyran, tetrahydro- 1.116 -0.028
C4H8O2 Ethyl acetate 1.105 -0.027
CH2CHCHO Acrolein 1.113 -0.027
N(CH3)3 Trimethylamine 1.109 -0.027
CH3SH Methanethiol 1.104 -0.027
CH3OCHO methyl formate 1.101 -0.026
C3H2N2 Malononitrile 1.109 -0.025
CH3COCl Acetyl Chloride 1.105 -0.025
C5H8 Ethenylcyclopropane 1.099 -0.025
CH2N2 diazirine 1.090 -0.024
CH3ONO Methyl nitrite 1.102 -0.024
HCOOH Formic acid 1.097 -0.024
C2H8N2 Ethylenediamine 1.109 -0.024
C6H5NO2 Nitrobenzene 1.093 -0.024
C12H8 biphenylene 1.096 -0.024
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 1.089 -0.024
CHF3 Methane, trifluoro- 1.091 -0.024
CH3COCH3 Acetone 1.103 -0.023
C4H8O2 1,3-Dioxane 1.095 -0.023
C5H8 1,4-Pentadiene 1.110 -0.023
CH2CF2 Ethene, 1,1-difluoro- 1.091 -0.023
CH3CH2NH2 Ethylamine 1.107 -0.023
CH2NH Methanimine 1.103 -0.023
HFCO formyl fluoride 1.095 -0.023
C3H6S Thietane 1.100 -0.023
CHF2Cl difluorochloromethane 1.090 -0.023
HCCl Chloromethylene 1.119 -0.023
C2H3Cl Ethene, chloro- 1.090 -0.023
CH3COOH Acetic acid 1.100 -0.023
CH3CN Acetonitrile 1.104 -0.022
CH2O2 Dioxirane 1.090 -0.022
CH3CCl2CH3 Propane, 2,2-dichloro- 1.101 -0.022
CHOCHCHCH3 2-Butenal 1.108 -0.021
C5H8O 2H-Pyran, 3,4-dihydro- 1.090 -0.021
CH3CH2CHO Propanal 1.103 -0.021
C3H5ClO Oxirane, (chloromethyl)- 1.095 -0.021
CHFClBr fluorochlorobromomethane 1.088 -0.020
CH2FCl fluorochloromethane 1.090 -0.020
C8H8 cubane 1.097 -0.020
CH2BrF Methane, bromofluoro- 1.090 -0.020
C4H6O Cyclobutanone 1.100 -0.020
CH3CH(CH3)CH3 Isobutane 1.108 -0.020
C4H8O2 1,3-Dioxolane, 2-methyl- 1.102 -0.020
C5H11N Piperidine 1.105 -0.020
CH3NO3 Methyl nitrate 1.095 -0.020
CH3CHCl2 Ethane, 1,1-dichloro- 1.090 -0.020
CH3CHNOH Acetaldoxime 1.100 -0.020
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.019
C6H5CH2CH3 Ethylbenzene 1.094 -0.019
CH3OH Methyl alcohol 1.096 -0.019
C5H6 1-Buten-3-yne, 2-methyl- 1.091 -0.019
C5H6S Thiophene, 3-methyl- 1.090 -0.018
C3H4N2 1H-Pyrazole 1.083 -0.018
C5H8 Cyclobutane, methylene- 1.101 -0.018
C2H4F2 1,2-difluoroethane 1.094 -0.018
C4H6O Furan, 2,5-dihydro- 1.100 -0.018
CH3SSCH3 Disulfide, dimethyl 1.097 -0.017
C3H6O 2-Propen-1-ol 1.092 -0.017
CH2PH Phosphaethene 1.090 -0.017
CH2CS Thioketene 1.090 -0.017
CH2PH Phosphaethene 1.090 -0.017
C4H4N2 1,3-Diazine 1.087 -0.017
C3H8O2 Propylene glycol 1.095 -0.017
C2H3Br vinyl bromide 1.088 -0.017
CH2CHF Ethene, fluoro- 1.087 -0.017
CH3CH2CHO Propanal 1.105 -0.017
CH2NOH formaldoxime 1.086 -0.017
C3H4N2 1H-Pyrazole 1.082 -0.016
C2H5F fluoroethane 1.095 -0.016
CH3Cl Methyl chloride 1.090 -0.016
CH3SCH2CH3 Ethane, (methylthio)- 1.097 -0.016
CH3ONO Methyl nitrite 1.090 -0.016
HOCH2COOH Hydroxyacetic acid 1.097 -0.016
CHF2CHF2 1,1,2,2-tetrafluoroethane 1.087 -0.016
CH2Cl2 Methylene chloride 1.085 -0.016
C3H6O 2-Propen-1-ol 1.091 -0.016
C3H3NO Oxazole 1.075 -0.016
CH3CH2OH Ethanol 1.098 -0.016
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.087 -0.016
C4H6 Methylenecyclopropane 1.090 -0.015
C3H6O 2-Propen-1-ol 1.102 -0.015
C4H4N2 1,3-Diazine 1.082 -0.015
C4H6S Thiophene, 2,5-dihydro- 1.095 -0.015
C2H2F2 Ethene, 1,2-difluoro-, (E)- 1.080 -0.015
CH3SOCH3 Dimethyl sulfoxide 1.093 -0.015
C3H4N2 1H-Pyrazole 1.080 -0.015
CH2CHF Ethene, fluoro- 1.082 -0.015
C3H3NO Oxazole 1.075 -0.015
CH2 Methylene 1.085 -0.015
CH3CHClCH3 Propane, 2-chloro- 1.091 -0.015
C5H8 Bicyclo[2.1.0]pentane 1.085 -0.014
CH3NHCH3 Dimethylamine 1.098 -0.014
C4H10O Propane, 2-methoxy- 1.095 -0.014
C3H3NO Oxazole 1.073 -0.014
CH3SeCH3 dimethylselenide 1.093 -0.014
C4H4N2 Pyrazine 1.083 -0.014
C2H6O2S Dimethyl sulfone 1.091 -0.014
CH3NO nitrosomethane 1.094 -0.014
C6H5CH3 toluene 1.100 -0.014
C6H10 cyclohexene 1.090 -0.014
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.088 -0.014
CH3NC methyl isocyanide 1.094 -0.014
CH3NO3 Methyl nitrate 1.088 -0.014
CH2CHCHO Acrolein 1.089 -0.014
C4H6 Methylenecyclopropane 1.088 -0.014
CH3CH(CH3)CH3 Isobutane 1.100 -0.014
C4H5N (E)-2-Butenenitrile 1.090 -0.014
CH3PH2 Methyl phosphine 1.094 -0.014
C3H3N acrylonitrile 1.086 -0.014
CH3OC2H5 Ethane, methoxy- 1.099 -0.014
H2CS Thioformaldehyde 1.087 -0.014
CH3OCH3 Dimethyl ether 1.099 -0.014
CHClCCl2 Trichloroethylene 1.080 -0.013
C2H4O Ethylene oxide 1.084 -0.013
CH2CCH2 allene 1.087 -0.013
C4H4O Furan 1.076 -0.013
H2NCH2COOH Glycine 1.096 -0.013
CH2CO Ketene 1.083 -0.013
C4H10O Ethoxy ethane 1.100 -0.013
C6H12 Cyclohexane 1.101 -0.013
CH3OC2H5 Ethane, methoxy- 1.100 -0.013
CH3CH2CHO Propanal 1.096 -0.013
C2H4S Thiirane 1.083 -0.013
CH3CCl3 Ethane, 1,1,1-trichloro- 1.093 -0.013
CH2F2 Methane, difluoro- 1.084 -0.013
CH(CN)3 tricyanomethane 1.100 -0.013
C2H5N Aziridine 1.083 -0.013
C4H4S Thiophene 1.079 -0.013
CH3SCH3 Dimethyl sulfide 1.091 -0.013
CH3CCH propyne 1.096 -0.012
C2H3Br vinyl bromide 1.080 -0.012
C4H6 Cyclobutene 1.083 -0.012
CH3CHS Thioacetaldehyde 1.089 -0.012
C5H8 Cyclopentene 1.085 -0.012
CH2NOH formaldoxime 1.085 -0.012
C2H4 Ethylene 1.086 -0.012
C2H5Br Ethyl bromide 1.087 -0.012
C5H6 1-Buten-3-yne, 2-methyl- 1.065 -0.012
C3H4O Cyclopropanone 1.086 -0.012
C3H6O 2-Propen-1-ol 1.096 -0.012
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.012
C4H10O Propane, 2-methoxy- 1.095 -0.012
CH3CHFCH3 2-Fluoropropane 1.092 -0.012
CH3OCHO methyl formate 1.086 -0.012
CH2CHOH ethenol 1.086 -0.012
CH3SiH3 methyl silane 1.096 -0.012
C6H6 Benzvalene 1.078 -0.012
HCN Hydrogen cyanide 1.064 -0.012
CH3COCH2CH3 2-Butanone 1.091 -0.011
CH2CHCH2CH3 1-Butene 1.090 -0.011
C4H6S Thiophene, 2,5-dihydro- 1.085 -0.011
C2H2ClF 1-chloro-1-fluoroethylene 1.082 -0.011
CH3COCH2CH3 2-Butanone 1.095 -0.011
C5H8 Cyclopentene 1.095 -0.011
CH3COCH2CH3 2-Butanone 1.096 -0.011
CH3CHFCH3 2-Fluoropropane 1.094 -0.011
CH3CH2Cl Ethyl chloride 1.086 -0.011
CH3CHS Thioacetaldehyde 1.098 -0.011
CH2CHCH2CH3 1-Butene 1.095 -0.011
CH3CHFCH3 2-Fluoropropane 1.093 -0.011
CH3COCH2CH3 2-Butanone 1.093 -0.011
C4H6 Cyclobutene 1.094 -0.011
C6H10 cyclohexene 1.100 -0.011
CH3NO nitrosomethane 1.092 -0.011
C6H6 Benzvalene 1.082 -0.011
CH3SCH2CH3 Ethane, (methylthio)- 1.090 -0.011
CH3CHS Thioacetaldehyde 1.090 -0.011
C6H6 Benzene 1.084 -0.011
C3H4 cyclopropene 1.088 -0.011
CH2CHCHO Acrolein 1.084 -0.011
C6H8 1,4-Cyclohexadiene 1.100 -0.011
C2H6O2 1,2-Ethanediol 1.093 -0.011
C3H4 cyclopropene 1.072 -0.011
C3H7SH 1-Propanethiol 1.090 -0.011
C6H5F Fluorobenzene 1.083 -0.011
C4H8 cyclobutane 1.093 -0.010
C2H2 Acetylene 1.063 -0.010
CH3SeH Methane selenol 1.088 -0.010
C6H5F Fluorobenzene 1.081 -0.010
C2H5N Aziridine 1.084 -0.010
C3H7SH 1-Propanethiol 1.094 -0.010
C5H4O2 4-Cyclopentene-1,3-dione 1.093 -0.010
C3H6 Cyclopropane 1.083 -0.010
C6H5CN phenyl cyanide 1.082 -0.010
CH3CHSHCH3 2-Propanethiol 1.091 -0.010
C6H6 Fulvene 1.080 -0.010
CHOCHCHCH3 2-Butenal 1.084 -0.010
CH3OC2H5 Ethane, methoxy- 1.092 -0.010
CH3F Methyl fluoride 1.087 -0.010
CH3SCH2CH3 Ethane, (methylthio)- 1.089 -0.010
C2H3 vinyl 1.080 -0.010
C10H8 Azulene 1.084 -0.010
C10H8 Azulene 1.081 -0.010
C6H5NH2 aniline 1.084 -0.010
C3H8 Propane 1.096 -0.010
C6H5CH3 toluene 1.083 -0.010
C6H5Cl chlorobenzene 1.082 -0.010
C6H5OH phenol 1.082 -0.010
C10H8 Azulene 1.080 -0.009
C6H5OH phenol 1.084 -0.009
C4H5N Pyrrole 1.076 -0.009
C4H4N2 Succinonitrile 1.092 -0.009
CH2Br2 dibromomethane 1.079 -0.009
C4H8 cyclobutane 1.091 -0.009
H2CCCCH2 Butatriene 1.083 -0.009
CH3SCH2CH3 Ethane, (methylthio)- 1.092 -0.009
C5H10 Cyclopropane, 1,1-dimethyl- 1.095 -0.009
CH3NO2 Methane, nitro- 1.088 -0.009
CH2CHCHO Acrolein 1.081 -0.009
CH3CHNOH Acetaldoxime 1.085 -0.009
C2H2+ acetylene cation 1.077 -0.009
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.092 -0.009
C3H6O Propylene oxide 1.082 -0.009
C4H4N2 1,3-Diazine 1.079 -0.009
CHONH2 formamide 1.090 -0.009
C6H6 Benzvalene 1.078 -0.009
CH3Br methyl bromide 1.082 -0.009
CHClCHCl Ethene, 1,2-dichloro-, (E)- 1.075 -0.009
CH2CHOH ethenol 1.079 -0.009
C3H8 Propane 1.094 -0.009
C6H5Cl chlorobenzene 1.081 -0.009
CH2NN diazomethane 1.075 -0.009
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.095 -0.008
C6H5Cl chlorobenzene 1.079 -0.008
CH3OC2H5 Ethane, methoxy- 1.086 -0.008
C6H6 Fulvene 1.078 -0.008
C6H5CN phenyl cyanide 1.080 -0.008
CHOCHCHCH3 2-Butenal 1.090 -0.008
C5H6 1-Buten-3-yne, 2-methyl- 1.090 -0.008
CH3CH2Cl Ethyl chloride 1.089 -0.008
C5H8O Cyclopentanone 1.095 -0.008
C5H6 1-Buten-3-yne, 2-methyl- 1.081 -0.008
C4H5N (E)-2-Butenenitrile 1.090 -0.008
C6H5CH3 toluene 1.081 -0.008
C2H5F fluoroethane 1.090 -0.008
C4H4Se selenophene 1.079 -0.008
HCCCN Cyanoacetylene 1.062 -0.008
C4H10O Ethoxy ethane 1.090 -0.008
C2H3Cl Ethene, chloro- 1.079 -0.008
C3H6O Propylene oxide 1.090 -0.008
C6H5F Fluorobenzene 1.080 -0.008
CH3OCH3 Dimethyl ether 1.085 -0.008
C3H7SH 1-Propanethiol 1.092 -0.008
C6H12 Cyclohexane 1.093 -0.007
CH3OCl methyl hypochlorite 1.086 -0.007
C4H10O Ethoxy ethane 1.092 -0.007
C4H5N (E)-2-Butenenitrile 1.081 -0.007
CH2NH Methanimine 1.081 -0.007
CH3 Methyl radical 1.079 -0.007
C2H5Br Ethyl bromide 1.093 -0.007
CHOCHCHCH3 2-Butenal 1.086 -0.007
C2H5F fluoroethane 1.091 -0.007
CH3CCH propyne 1.060 -0.007
HCS+ Thioformyl cation 1.079 -0.007
CH3CH(CH3)CH3 Isobutane 1.092 -0.007
C5H10 2-Pentene, (Z)- 1.092 -0.007
C6H5CN phenyl cyanide 1.080 -0.007
C10H16 adamantane 1.093 -0.007
C2H3 vinyl 1.085 -0.007
CH3COF Acetyl fluoride 1.084 -0.007
HCP Phosphaethyne 1.067 -0.007
C2H3Br vinyl bromide 1.080 -0.007
C6H5CH3 toluene 1.081 -0.007
C5H6 Cyclopropylacetylene 1.080 -0.007
C6H10O cyclohexanone 1.088 -0.007
C2H6 Ethane 1.091 -0.007
CH3CHClCH3 Propane, 2-chloro- 1.092 -0.006
C10H8 Azulene 1.083 -0.006
CH2CHF Ethene, fluoro- 1.077 -0.006
C5H10 Cyclopropane, 1,1-dimethyl- 1.080 -0.006
CH3CHO Acetaldehyde 1.086 -0.006
CHCl3 Chloroform 1.073 -0.006
C5H10 2-Pentene, (E)- 1.082 -0.006
CH3NHCH3 Dimethylamine 1.098 -0.006
C10H8 Azulene 1.081 -0.006
C4H10O Propane, 2-methoxy- 1.090 -0.006
CH3CH2SH ethanethiol 1.091 -0.006
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.091 -0.005
CH3COCH2CH3 2-Butanone 1.093 -0.005
C3H6O 2-Propen-1-ol 1.078 -0.005
CH4 Methane 1.087 -0.005
CH3CH2Cl Ethyl chloride 1.090 -0.005
SiH2(CH3)2 dimethylsilane 1.089 -0.005
C4H2 Diacetylene 1.058 -0.005
CH3OC2H5 Ethane, methoxy- 1.089 -0.005
C3H8 Propane 1.089 -0.004
CH3CHFCH3 2-Fluoropropane 1.088 -0.004
C2H5CN ethyl cyanide 1.087 -0.004
C2H5CN ethyl cyanide 1.088 -0.004
C4H9N Pyrrolidine 1.090 -0.004
CH3CH2OH Ethanol 1.088 -0.004
CH3CH2O Ethoxy radical 1.088 -0.003
C6H10 1-Butyne, 3,3-dimethyl- 1.056 -0.003
CH3NH2 methyl amine 1.093 -0.003
C6H5OH phenol 1.076 -0.003
HCCBr bromoacetylene 1.055 -0.003
C4H4Se selenophene 1.070 -0.003
CH Methylidyne 1.120 -0.003
CH3SCH2CH3 Ethane, (methylthio)- 1.087 -0.002
HCCCl Chloroacetylene 1.055 -0.002
C5H6 Cyclopropylacetylene 1.055 -0.002
C6H5CCH phenylacetylene 1.055 -0.002
CH3CH2O Ethoxy radical 1.085 -0.002
CH3CF3 Ethane, 1,1,1-trifluoro- 1.081 -0.002
CH3NHCH3 Dimethylamine 1.084 -0.002
C5H8 1,3-Butadiene, 2-methyl- 1.076 -0.002
C8H8 cyclooctatetraene 1.079 -0.002
HCCF Fluoroacetylene 1.053 -0.002
CH3CH2O Ethoxy radical 1.086 -0.002
C3H7N Cyclopropylamine 1.080 -0.001
C6H5Br bromobenzene 1.072 -0.001
GeH3CH3 methyl germane 1.083 -0.001
CH2NCH3 N-methylmethanimine 1.089 -0.001
CH3CH2OH Ethanol 1.086 -0.001
CH3CHF2 Ethane, 1,1-difluoro- 1.081 -0.000
CH2CCl2 Ethene, 1,1-dichloro- 1.070 0.001
C5H6S Thiophene, 3-methyl- 1.081 0.002
N(CH3)3 Trimethylamine 1.088 0.006
C4H4N2 Pyridazine 1.064 0.007
C3H5 Allyl radical 1.069 0.008
CH3CCl(CH3)CH3 Propane, 2-chloro-2-methyl- 1.078 0.008
C2H Ethynyl radical 1.047 0.009
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.072 0.010
HCO Formyl radical 1.080 0.011
C5H10 2-Pentene, (Z)- 1.058 0.021
HCNO fulminic acid 1.027 0.023
CH3SOCH3 Dimethyl sulfoxide 1.054 0.023
C4H10O Methyl propyl ether 1.099 0.324
C3H3NO Isoxazole 1.075 0.358
C4H6 1-Methylcyclopropene 1.070 0.447
C4H6 1-Methylcyclopropene 1.098 0.649
C4H6 1-Methylcyclopropene 1.098 0.661
C4H6 1-Methylcyclopropene 1.087 0.715
C4H6 1-Methylcyclopropene 1.087 2.334
C4H6 1-Methylcyclopropene 1.085 3.094