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Compare Bonds

18 10 26 16 45

MP2/6-311G* 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 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 C3H4O Cyclopropanone-0.073
Most positive difference C5H8O Methyl cyclopropyl ketone4.315

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C3H4O Cyclopropanone 1.086 -0.073
C4H6 Methylenecyclopropane 1.088 -0.053
C2H6O2S Dimethyl sulfone 1.091 -0.052
CH3CF3 Ethane, 1,1,1-trifluoro- 1.081 -0.051
C4H6 Methylenecyclopropane 1.090 -0.050
C3H8O2 1,3-Propanediol 1.140 -0.045
C6H6 Fulvene 1.130 -0.043
C3H5Cl3 Propane, 1,2,3-trichloro- 1.131 -0.040
C4H10O Ethoxy ethane 1.100 -0.038
CH3CONH2 Acetamide 1.124 -0.036
CHOCH(CH3)CH3 Propanal, 2-methyl- 1.127 -0.034
CH2SHCH2SH 1,2-Ethanedithiol 1.120 -0.029
C4H10O Ethoxy ethane 1.092 -0.027
C2H2O2 Ethanedial 1.132 -0.026
C4H6O2 2,3-Butanedione 1.114 -0.026
C2H3CCH 1-Buten-3-yne 1.090 -0.025
CH2ClCHClCH3 Propane, 1,2-dichloro- 1.113 -0.025
C6H14 Hexane 1.118 -0.025
CHBr3 bromoform 1.110 -0.025
HCONHCH3 N-methylformamide 1.114 -0.025
C3H7NO dimethylformamide 1.112 -0.024
C2H6N2O2 Dimethylnitroamine 1.121 -0.024
CHClCHCl Ethene, 1,2-dichloro-, (Z)- 1.101 -0.024
CH3CCCH3 2-Butyne 1.116 -0.023
CH2ClCH2Cl Ethane, 1,2-dichloro- 1.112 -0.023
C7H16 heptane 1.121 -0.023
C4H5N Cyclopropanecarbonitrile 1.107 -0.022
C4H10O Ethoxy ethane 1.090 -0.022
C5H12O Butane, 1-methoxy- 1.115 -0.022
CH2ClCH2CH3 Propane, 1-chloro- 1.113 -0.022
CH3CCl(CH3)CH3 Propane, 2-chloro-2-methyl- 1.078 -0.022
C2H3CCH 1-Buten-3-yne 1.106 -0.022
CH2NN diazomethane 1.075 -0.022
CH3OCl methyl hypochlorite 1.111 -0.021
C6H12 (E)-3-methylpent-2-ene 1.116 -0.021
Si(CH3)4 tetramethylsilane 1.115 -0.021
HCF Fluoromethylene 1.138 -0.021
CH3CH2CH2CH3 Butane 1.117 -0.020
C2HF3 Trifluoroethylene 1.100 -0.020
C5H12 Pentane 1.118 -0.020
C4H10O2 Ethane, 1,2-dimethoxy- 1.109 -0.020
C3H6S3 1,3,5-Trithiane 1.114 -0.019
CH2ClCH2CH2CH3 Butane, 1-chloro- 1.110 -0.019
C5H10 Cyclopentane 1.114 -0.019
C5H12 Propane, 2,2-dimethyl- 1.114 -0.019
C5H6 Propellane 1.106 -0.019
C5H8 Spiropentane 1.105 -0.019
C5H10S 2H-Thiopyran, tetrahydro- 1.114 -0.019
C5H10O 2-Butanone, 3-methyl- 1.113 -0.019
C5H8 1,3-Butadiene, 2-methyl- 1.110 -0.018
C5H10O 2H-Pyran, tetrahydro- 1.116 -0.018
CH3CHClCH2CH3 Butane, 2-chloro- 1.110 -0.018
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.102 -0.017
C7H12 Norbornane 1.113 -0.017
CH2CF2 Ethene, 1,1-difluoro- 1.091 -0.017
C4H8O2 Ethyl acetate 1.105 -0.017
N(CH3)3 Trimethylamine 1.109 -0.017
C3H2N2 Malononitrile 1.109 -0.016
CH3COCl Acetyl Chloride 1.105 -0.016
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.098 -0.015
CH3COOH Acetic acid 1.100 -0.015
CH3SH Methanethiol 1.104 -0.014
CH3CN Acetonitrile 1.104 -0.014
CH3COCH3 Acetone 1.103 -0.014
C6H8 (Z)-hexa-1,3,5-triene 1.104 -0.013
CH3CH2NH2 Ethylamine 1.107 -0.013
CH3O Methoxy radical 1.112 -0.013
C2H8N2 Ethylenediamine 1.109 -0.013
CH3CH2CHO Propanal 1.103 -0.013
C5H8 1,4-Pentadiene 1.110 -0.013
CH3CCl3 Ethane, 1,1,1-trichloro- 1.093 -0.012
HCCl Chloromethylene 1.119 -0.012
C3H8O2 Methane, dimethoxy- 1.108 -0.012
C5H8 Ethenylcyclopropane 1.099 -0.012
CH2CHOH ethenol 1.097 -0.011
CH3CCl2CH3 Propane, 2,2-dichloro- 1.101 -0.011
CH3ONO Methyl nitrite 1.102 -0.011
C4H8O2 1,3-Dioxolane, 2-methyl- 1.102 -0.010
C5H11N Piperidine 1.105 -0.010
C4H6O Cyclobutanone 1.100 -0.010
CH3CH(CH3)CH3 Isobutane 1.108 -0.010
CH3CHNOH Acetaldoxime 1.100 -0.010
CH3NO3 Methyl nitrate 1.095 -0.009
C6H5NO2 Nitrobenzene 1.093 -0.009
C12H8 biphenylene 1.096 -0.009
C3H6S Thietane 1.100 -0.008
CH2N2 diazirine 1.090 -0.007
C4H8O2 1,3-Dioxane 1.095 -0.007
C5H8 Cyclobutane, methylene- 1.101 -0.007
CH3OH Methyl alcohol 1.096 -0.007
CH3CH2CHO Propanal 1.105 -0.007
CH3CH2OH Ethanol 1.098 -0.007
CHF2Cl difluorochloromethane 1.090 -0.006
CH2 Methylene 1.085 -0.006
C5H6 1-Buten-3-yne, 2-methyl- 1.091 -0.006
C2H3Cl Ethene, chloro- 1.090 -0.006
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 1.089 -0.006
CH2NH Methanimine 1.103 -0.006
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.006
CH3CH2CHO Propanal 1.115 -0.006
H2CO Formaldehyde 1.111 -0.006
C2H4F2 1,2-difluoroethane 1.099 -0.006
CH2CHF Ethene, fluoro- 1.087 -0.006
CH2CS Thioketene 1.090 -0.006
CH3SSCH3 Disulfide, dimethyl 1.097 -0.005
C6H5CH3 toluene 1.100 -0.005
C8H8 cubane 1.097 -0.005
C3H5ClO Oxirane, (chloromethyl)- 1.095 -0.005
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.087 -0.005
CH3NHCH3 Dimethylamine 1.098 -0.005
C6H5CH2CH3 Ethylbenzene 1.094 -0.005
CH3CH(CH3)CH3 Isobutane 1.100 -0.005
CH3NC methyl isocyanide 1.094 -0.004
C5H8O 2H-Pyran, 3,4-dihydro- 1.090 -0.004
CH3ONO Methyl nitrite 1.090 -0.004
CH3CCH propyne 1.096 -0.004
CH3PH2 Methyl phosphine 1.094 -0.004
C2H3Br vinyl bromide 1.088 -0.004
C5H6S Thiophene, 3-methyl- 1.090 -0.004
CH2NOH formaldoxime 1.086 -0.004
CH3CH2CHO Propanal 1.096 -0.004
CH2PH Phosphaethene 1.090 -0.004
CH3CHO Acetaldehyde 1.114 -0.003
CHF3 Methane, trifluoro- 1.091 -0.003
CH3SiH3 methyl silane 1.096 -0.003
C3H8O2 Propylene glycol 1.095 -0.003
CH2PH Phosphaethene 1.090 -0.003
C6H12 Cyclohexane 1.101 -0.003
CH3Cl Methyl chloride 1.090 -0.003
CH3SeCH3 dimethylselenide 1.093 -0.003
CH3NO3 Methyl nitrate 1.088 -0.003
CH3SCH2CH3 Ethane, (methylthio)- 1.097 -0.003
CH2BrF Methane, bromofluoro- 1.090 -0.003
CH2CO Ketene 1.083 -0.003
CH3CHS Thioacetaldehyde 1.098 -0.002
CH3NO nitrosomethane 1.094 -0.002
CH2CHCH2CH3 1-Butene 1.095 -0.002
C4H4N2 1,3-Diazine 1.087 -0.002
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.088 -0.002
H2NCH2COOH Glycine 1.096 -0.002
CH3CHCl2 Ethane, 1,1-dichloro- 1.090 -0.002
CH2CHCHO Acrolein 1.089 -0.002
HFCO formyl fluoride 1.095 -0.002
CH Methylidyne 1.120 -0.002
CHClCCl2 Trichloroethylene 1.080 -0.002
C4H6O Furan, 2,5-dihydro- 1.100 -0.002
CH2CHCHO Acrolein 1.113 -0.002
CHFClBr fluorochlorobromomethane 1.088 -0.002
CH2CCH2 allene 1.087 -0.002
CH2FCl fluorochloromethane 1.090 -0.001
C3H7SH 1-Propanethiol 1.094 -0.001
CH3CHFCH3 2-Fluoropropane 1.094 -0.001
CH(CN)3 tricyanomethane 1.100 -0.001
CH3CHFCH3 2-Fluoropropane 1.093 -0.001
CH3SOCH3 Dimethyl sulfoxide 1.093 -0.001
C3H4N2 1H-Pyrazole 1.083 -0.001
CH3OCHO methyl formate 1.101 -0.001
C2H4 Ethylene 1.086 -0.001
C3H4N2 1H-Pyrazole 1.082 -0.001
C5H8 Cyclopentene 1.095 -0.001
C4H6S Thiophene, 2,5-dihydro- 1.095 -0.001
C6H8 Bicyclo[3.1.0]hex-2-ene 1.089 -0.001
HOCH2COOH Hydroxyacetic acid 1.097 -0.001
C6H10 cyclohexene 1.100 -0.001
HCOOH Formic acid 1.097 -0.001
C4H10O Propane, 2-methoxy- 1.095 -0.001
C3H8 Propane 1.096 -0.001
CH2O2 Dioxirane 1.090 -0.001
CH3 Methyl radical 1.079 -0.001
C4H5N (E)-2-Butenenitrile 1.090 -0.001
C2H5F fluoroethane 1.095 -0.000
C6H10 cyclohexene 1.090 -0.000
CH3SCH3 Dimethyl sulfide 1.091 -0.000
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.095 -0.000
C6H8 1,4-Cyclohexadiene 1.100 -0.000
C3H3N acrylonitrile 1.086 -0.000
CH3OCH3 Dimethyl ether 1.099 -0.000
C4H8 cyclobutane 1.093 -0.000
C3H8 Propane 1.094 -0.000
C2H2ClF 1-chloro-1-fluoroethylene 1.082 -0.000
C3H4N2 1H-Pyrazole 1.080 -0.000
C5H6 1-Buten-3-yne, 2-methyl- 1.065 0.000
CH3CHS Thioacetaldehyde 1.090 0.000
CH3SCH2CH3 Ethane, (methylthio)- 1.092 0.000
C6H10 1-Butyne, 3,3-dimethyl- 1.056 0.000
CH2CHOH ethenol 1.086 0.000
C5H8 Bicyclo[2.1.0]pentane 1.095 0.000
CH3NO nitrosomethane 1.092 0.000
C5H10 Cyclopropane, 1,1-dimethyl- 1.095 0.000
C4H6 Cyclobutene 1.094 0.001
CH3OCHO methyl formate 1.086 0.001
CH2Cl2 Methylene chloride 1.085 0.001
C3H6 Cyclopropane 1.083 0.001
C5H4O2 4-Cyclopentene-1,3-dione 1.093 0.001
C4H4N2 Succinonitrile 1.092 0.001
C5H8 Bicyclo[2.1.0]pentane 1.085 0.001
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.092 0.001
CH3CHClCH3 Propane, 2-chloro- 1.091 0.001
CH3SeH Methane selenol 1.088 0.001
CHOCHCHCH3 2-Butenal 1.090 0.001
C2H6 Ethane 1.091 0.001
C4H10O Propane, 2-methoxy- 1.095 0.001
C5H10 2-Pentene, (Z)- 1.092 0.002
CH3SCH2CH3 Ethane, (methylthio)- 1.090 0.002
CH3CH2Cl Ethyl chloride 1.089 0.002
C2H5F fluoroethane 1.090 0.002
CH2CHCH2CH3 1-Butene 1.090 0.002
C2H5Br Ethyl bromide 1.093 0.002
C3H4 cyclopropene 1.088 0.002
C3H4O Methylketene 1.083 0.002
CH4 Methane 1.087 0.002
C4H5N (E)-2-Butenenitrile 1.090 0.002
C2H5N Aziridine 1.083 0.002
CH3NO2 Methane, nitro- 1.088 0.002
C5H8 Cyclopentene 1.085 0.002
C3H6O Propylene oxide 1.090 0.002
CH3CH(CH3)CH3 Isobutane 1.092 0.002
C4H8 cyclobutane 1.091 0.002
C2H4S Thiirane 1.083 0.002
C2H5F fluoroethane 1.091 0.002
CH3I methyl iodide 1.084 0.002
C5H6 1-Buten-3-yne, 2-methyl- 1.090 0.002
C2H5Br Ethyl bromide 1.087 0.002
C2H4F2 1,2-difluoroethane 1.093 0.002
CH3CHClCH3 Propane, 2-chloro- 1.092 0.002
C2H2 Acetylene 1.063 0.002
C2H3 vinyl 1.080 0.002
C2H4O Ethylene oxide 1.084 0.002
CH2CHF Ethene, fluoro- 1.082 0.003
CH3SCH2CH3 Ethane, (methylthio)- 1.089 0.003
CH2CHOH ethenol 1.079 0.003
C3H7SH 1-Propanethiol 1.090 0.003
CHClCHCl Ethene, 1,2-dichloro-, (E)- 1.075 0.003
C4H6S Thiophene, 2,5-dihydro- 1.085 0.003
C2H5N Aziridine 1.084 0.003
C3H7SH 1-Propanethiol 1.092 0.003
CH2CHCHO Acrolein 1.084 0.003
CH3CH2SH ethanethiol 1.091 0.003
CH3COF Acetyl fluoride 1.084 0.003
C6H6 Benzene 1.084 0.003
C2H2F2 Ethene, 1,2-difluoro-, (E)- 1.080 0.003
CH2CHCHO Acrolein 1.081 0.003
HCCCN Cyanoacetylene 1.062 0.003
C4H10O Propane, 2-methoxy- 1.090 0.003
CH2NOH formaldoxime 1.085 0.003
C2H2+ acetylene cation 1.077 0.003
CH3CH2Cl Ethyl chloride 1.086 0.004
CH3CHFCH3 2-Fluoropropane 1.092 0.004
CH3F Methyl fluoride 1.087 0.004
CH3S thiomethoxy 1.090 0.004
CH3CH2Cl Ethyl chloride 1.090 0.004
CH3CHO Acetaldehyde 1.086 0.004
C6H5F Fluorobenzene 1.083 0.004
C6H12 Cyclohexane 1.093 0.004
C4H4S Thiophene 1.079 0.004
SiH2(CH3)2 dimethylsilane 1.089 0.004
C2H6O2 1,2-Ethanediol 1.093 0.004
C4H6 Cyclobutene 1.083 0.004
CH3Br methyl bromide 1.082 0.004
H2CS Thioformaldehyde 1.087 0.004
C2H3Br vinyl bromide 1.080 0.004
C6H6 Benzvalene 1.082 0.004
C6H5OH phenol 1.082 0.004
C3H8 Propane 1.089 0.004
C2H3 vinyl 1.085 0.004
H2CCCCH2 Butatriene 1.083 0.004
HCN Hydrogen cyanide 1.064 0.004
C6H5CN phenyl cyanide 1.082 0.004
C6H5CH3 toluene 1.083 0.004
CH3CHSHCH3 2-Propanethiol 1.091 0.004
CH3OCH3 Dimethyl ether 1.085 0.004
C6H8 Bicyclo[3.1.0]hex-2-ene 1.082 0.004
CHOCHCHCH3 2-Butenal 1.108 0.005
C5H6 1-Buten-3-yne, 2-methyl- 1.081 0.005
C10H8 Azulene 1.084 0.005
CHOCHCHCH3 2-Butenal 1.084 0.005
C6H5NH2 aniline 1.084 0.005
CH3CCH propyne 1.060 0.005
C2H5CN ethyl cyanide 1.087 0.005
C6H5F Fluorobenzene 1.081 0.005
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.091 0.005
C6H5Cl chlorobenzene 1.082 0.005
CH3CH2OH Ethanol 1.088 0.005
CH3CHFCH3 2-Fluoropropane 1.088 0.005
C4H5N Pyrrole 1.076 0.005
C2H3Cl Ethene, chloro- 1.079 0.005
C6H6 Benzvalene 1.078 0.005
C6H6 Benzvalene 1.078 0.005
C4H4N2 1,3-Diazine 1.082 0.005
C6H5OH phenol 1.084 0.005
C6H6 Fulvene 1.080 0.005
C6H10O cyclohexanone 1.088 0.005
C6H5Cl chlorobenzene 1.081 0.005
C10H16 adamantane 1.093 0.005
C4H4N2 Pyrazine 1.083 0.005
C5H10 Cyclopropane, 1,1-dimethyl- 1.080 0.005
CH2CHF Ethene, fluoro- 1.077 0.006
C2H3Br vinyl bromide 1.080 0.006
CH3NHCH3 Dimethylamine 1.098 0.006
CH2F2 Methane, difluoro- 1.084 0.006
CHF2CHF2 1,1,2,2-tetrafluoroethane 1.087 0.006
CH3SCH2CH3 Ethane, (methylthio)- 1.087 0.006
C10H8 Azulene 1.080 0.006
C2H5CN ethyl cyanide 1.088 0.006
C6H5CH3 toluene 1.081 0.006
CH3CHS Thioacetaldehyde 1.089 0.006
C10H8 Azulene 1.081 0.006
C6H5CN phenyl cyanide 1.080 0.006
CH3NH2 methyl amine 1.093 0.006
C5H6 Cyclopropylacetylene 1.080 0.006
C6H5F Fluorobenzene 1.080 0.006
C3H4 cyclopropene 1.072 0.006
CHOCHCHCH3 2-Butenal 1.086 0.006
C6H8 Bicyclo[3.1.0]hex-2-ene 1.091 0.007
C4H5N (E)-2-Butenenitrile 1.081 0.007
CH3CH2O Ethoxy radical 1.085 0.007
C6H5Cl chlorobenzene 1.079 0.007
C4H4Se selenophene 1.079 0.007
CH2CCl2 Ethene, 1,1-dichloro- 1.070 0.007
C6H6 Fulvene 1.078 0.007
C6H5CN phenyl cyanide 1.080 0.007
C5H10 2-Pentene, (E)- 1.082 0.008
C6H5CH3 toluene 1.081 0.008
CH3OCl methyl hypochlorite 1.086 0.008
CH2Br2 dibromomethane 1.079 0.008
C6H8 Bicyclo[3.1.0]hex-2-ene 1.078 0.008
CH3CH2O Ethoxy radical 1.086 0.008
CH3NHCH3 Dimethylamine 1.084 0.008
C3H6O Propylene oxide 1.082 0.008
C10H8 Azulene 1.081 0.009
GeH3CH3 methyl germane 1.083 0.009
C3H4O Methylketene 1.083 0.009
CH3CHNOH Acetaldoxime 1.085 0.009
C4H4N2 1,3-Diazine 1.079 0.009
HCCCl Chloroacetylene 1.055 0.009
HCP Phosphaethyne 1.067 0.009
C5H6 Cyclopropylacetylene 1.055 0.010
C10H8 Azulene 1.083 0.010
CH3CHF2 Ethane, 1,1-difluoro- 1.081 0.010
CH2NH Methanimine 1.081 0.010
C6H5CCH phenylacetylene 1.055 0.010
HCS+ Thioformyl cation 1.079 0.010
HCCBr bromoacetylene 1.055 0.010
HCCF Fluoroacetylene 1.053 0.010
C5H8 1,3-Butadiene, 2-methyl- 1.076 0.011
C6H5OH phenol 1.076 0.011
C5H6S Thiophene, 3-methyl- 1.081 0.012
CH3CH2O Ethoxy radical 1.088 0.012
C8H8 cyclooctatetraene 1.079 0.013
CH3CH2OH Ethanol 1.086 0.013
C4H4Se selenophene 1.070 0.013
C3H7N Cyclopropylamine 1.080 0.013
CH2NCH3 N-methylmethanimine 1.089 0.014
C6H5Br bromobenzene 1.072 0.014
C4H9N Pyrrolidine 1.090 0.014
C4H4N2 Pyridazine 1.064 0.018
N(CH3)3 Trimethylamine 1.088 0.018
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.072 0.019
C2H Ethynyl radical 1.047 0.019
C3H5 Allyl radical 1.069 0.019
CH2I2 Diiodomethane 1.066 0.019
C5H10 2-Pentene, (Z)- 1.058 0.033
CH3SOCH3 Dimethyl sulfoxide 1.054 0.036
HCO Formyl radical 1.080 0.044
C4H4N2O2 Uracil 0.957 0.128
C4H4N2O2 Uracil 0.931 0.150
C4H10O Methyl propyl ether 1.099 0.311
C3H3NO Isoxazole 1.075 0.343
C4H6 1-Methylcyclopropene 1.070 0.444
C4H6 1-Methylcyclopropene 1.098 0.663
C4H6 1-Methylcyclopropene 1.098 0.680
C4H8S Thiophene, tetrahydro- 1.117 0.713
C4H6 1-Methylcyclopropene 1.087 0.744
C3H6O 2-Propen-1-ol 1.096 0.999
C3H3NO Oxazole 1.075 1.069
C3H3NO Oxazole 1.075 1.135
C3H6O 2-Propen-1-ol 1.102 1.253
C3H6O 2-Propen-1-ol 1.078 1.424
C3H6O 2-Propen-1-ol 1.091 1.671
C5H8O Cyclopentanone 1.095 1.692
C3H3NO Oxazole 1.073 2.072
C4H6 1-Methylcyclopropene 1.087 2.337
C3H6O 2-Propen-1-ol 1.092 2.388
C4H6 1-Methylcyclopropene 1.085 3.140
C5H8O Methyl cyclopropyl ketone 1.126 4.315