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Compare Bonds

18 10 26 16 45

MP2/6-31G 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 C3H8O2 1,3-Propanediol-0.041
Most positive difference C4H6 1-Methylcyclopropene3.158

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C3H8O2 1,3-Propanediol 1.140 -0.041
C6H6 Fulvene 1.130 -0.039
C3H5Cl3 Propane, 1,2,3-trichloro- 1.131 -0.038
C5H8O Methyl cyclopropyl ketone 1.126 -0.030
C2H2O2 Ethanedial 1.132 -0.030
CH3CONH2 Acetamide 1.124 -0.030
CHOCH(CH3)CH3 Propanal, 2-methyl- 1.127 -0.028
CH2SHCH2SH 1,2-Ethanedithiol 1.120 -0.025
CHBr3 bromoform 1.110 -0.024
CH2ClCHClCH3 Propane, 1,2-dichloro- 1.113 -0.022
CH2ClCH2Cl Ethane, 1,2-dichloro- 1.112 -0.021
C2H6N2O2 Dimethylnitroamine 1.121 -0.020
C2HF3 Trifluoroethylene 1.100 -0.020
CH2ClCH2CH3 Propane, 1-chloro- 1.113 -0.020
HCONHCH3 N-methylformamide 1.114 -0.019
C4H5N Cyclopropanecarbonitrile 1.107 -0.019
C4H6O2 2,3-Butanedione 1.114 -0.019
C6H14 Hexane 1.118 -0.019
C3H6S3 1,3,5-Trithiane 1.114 -0.018
C3H7NO dimethylformamide 1.112 -0.018
C7H16 heptane 1.121 -0.017
CH2ClCH2CH2CH3 Butane, 1-chloro- 1.110 -0.017
C5H6 Propellane 1.106 -0.016
C4H10O2 Ethane, 1,2-dimethoxy- 1.109 -0.016
CHClCHCl Ethene, 1,2-dichloro-, (Z)- 1.101 -0.016
C5H12O Butane, 1-methoxy- 1.115 -0.016
CH3OCl methyl hypochlorite 1.111 -0.016
C5H8 Spiropentane 1.105 -0.016
Si(CH3)4 tetramethylsilane 1.115 -0.015
C6H12 (E)-3-methylpent-2-ene 1.116 -0.015
C5H10 Cyclopentane 1.114 -0.014
CH3CH2CH2CH3 Butane 1.117 -0.014
C5H12 Pentane 1.118 -0.014
C5H12 Propane, 2,2-dimethyl- 1.114 -0.013
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.102 -0.013
C7H12 Norbornane 1.113 -0.013
C5H10O 2-Butanone, 3-methyl- 1.113 -0.013
C5H10S 2H-Thiopyran, tetrahydro- 1.114 -0.013
CH3CHClCH2CH3 Butane, 2-chloro- 1.110 -0.012
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.098 -0.012
C5H8 1,3-Butadiene, 2-methyl- 1.110 -0.012
C5H10O 2H-Pyran, tetrahydro- 1.116 -0.012
CH2CHOH ethenol 1.097 -0.012
N(CH3)3 Trimethylamine 1.109 -0.012
CH3SH Methanethiol 1.104 -0.011
C4H8O2 Ethyl acetate 1.105 -0.011
H2CO Formaldehyde 1.111 -0.011
C3H8O2 Methane, dimethoxy- 1.108 -0.010
CH3O Methoxy radical 1.112 -0.010
CH2N2 diazirine 1.090 -0.010
CH3COCl Acetyl Chloride 1.105 -0.009
C6H8 (Z)-hexa-1,3,5-triene 1.104 -0.009
CH3CHO Acetaldehyde 1.114 -0.009
CH3CH2CHO Propanal 1.115 -0.009
C3H2N2 Malononitrile 1.109 -0.008
C2H8N2 Ethylenediamine 1.109 -0.008
CH3CH2NH2 Ethylamine 1.107 -0.008
CH2CF2 Ethene, 1,1-difluoro- 1.091 -0.008
C5H8 Ethenylcyclopropane 1.099 -0.008
CH3OCHO methyl formate 1.101 -0.008
CH3COCH3 Acetone 1.103 -0.008
CH3CN Acetonitrile 1.104 -0.007
CH3COOH Acetic acid 1.100 -0.007
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 1.089 -0.006
C4H8O2 1,3-Dioxane 1.095 -0.006
C5H8 1,4-Pentadiene 1.110 -0.006
CH2NH Methanimine 1.103 -0.006
C3H6S Thietane 1.100 -0.006
HCOOH Formic acid 1.097 -0.006
CH3CCl2CH3 Propane, 2,2-dichloro- 1.101 -0.006
CH3CH2CHO Propanal 1.103 -0.006
CH3ONO Methyl nitrite 1.102 -0.006
C2H3Cl Ethene, chloro- 1.090 -0.006
CH2CHCHO Acrolein 1.113 -0.005
HFCO formyl fluoride 1.095 -0.005
CHF3 Methane, trifluoro- 1.091 -0.005
C12H8 biphenylene 1.096 -0.005
C4H8O2 1,3-Dioxolane, 2-methyl- 1.102 -0.005
CH3OH Methyl alcohol 1.096 -0.004
CHF2Cl difluorochloromethane 1.090 -0.004
C5H11N Piperidine 1.105 -0.004
C4H6O Cyclobutanone 1.100 -0.004
CH3CH(CH3)CH3 Isobutane 1.108 -0.004
C8H8 cubane 1.097 -0.003
C5H8O 2H-Pyran, 3,4-dihydro- 1.090 -0.003
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.003
CH3CHNOH Acetaldoxime 1.100 -0.003
CH2O2 Dioxirane 1.090 -0.003
CH2FCl fluorochloromethane 1.090 -0.003
CH2 Methylene 1.085 -0.003
C3H5ClO Oxirane, (chloromethyl)- 1.095 -0.002
CH2BrF Methane, bromofluoro- 1.090 -0.002
CHFClBr fluorochlorobromomethane 1.088 -0.002
C5H8 Cyclobutane, methylene- 1.101 -0.002
CH2PH Phosphaethene 1.090 -0.002
CH2PH Phosphaethene 1.090 -0.002
CH3CHCl2 Ethane, 1,1-dichloro- 1.090 -0.001
C5H6 1-Buten-3-yne, 2-methyl- 1.091 -0.001
CH3CH2OH Ethanol 1.098 -0.001
CH3SSCH3 Disulfide, dimethyl 1.097 -0.001
CH3NO3 Methyl nitrate 1.095 -0.001
CH2CS Thioketene 1.090 -0.001
CH3CH2CHO Propanal 1.105 -0.001
CH2CHF Ethene, fluoro- 1.087 -0.001
C3H6O 2-Propen-1-ol 1.092 -0.001
C2H4F2 1,2-difluoroethane 1.094 -0.001
C3H4N2 1H-Pyrazole 1.083 -0.001
C2H3Br vinyl bromide 1.088 -0.001
C4H6O Furan, 2,5-dihydro- 1.100 -0.001
C3H8O2 Propylene glycol 1.095 -0.000
C6H5CH2CH3 Ethylbenzene 1.094 -0.000
CH2NOH formaldoxime 1.086 -0.000
C4H6 Methylenecyclopropane 1.090 -0.000
C5H6S Thiophene, 3-methyl- 1.090 -0.000
CH3Cl Methyl chloride 1.090 -0.000
C3H6O 2-Propen-1-ol 1.091 0.000
CH3NHCH3 Dimethylamine 1.098 0.000
CH3SCH2CH3 Ethane, (methylthio)- 1.097 0.000
CH3ONO Methyl nitrite 1.090 0.000
C2H5F fluoroethane 1.095 0.001
HOCH2COOH Hydroxyacetic acid 1.097 0.001
C6H5CH3 toluene 1.100 0.001
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.087 0.001
CHOCHCHCH3 2-Butenal 1.108 0.001
CH3NC methyl isocyanide 1.094 0.001
C3H4N2 1H-Pyrazole 1.082 0.001
C5H8 Bicyclo[2.1.0]pentane 1.085 0.001
CH3PH2 Methyl phosphine 1.094 0.001
CH3CH(CH3)CH3 Isobutane 1.100 0.001
CH2Cl2 Methylene chloride 1.085 0.001
C3H6O 2-Propen-1-ol 1.102 0.001
C4H6S Thiophene, 2,5-dihydro- 1.095 0.001
CH3SOCH3 Dimethyl sulfoxide 1.093 0.002
CH3SeCH3 dimethylselenide 1.093 0.002
C2H6O2S Dimethyl sulfone 1.091 0.002
CH3CH2CHO Propanal 1.096 0.002
CH2CO Ketene 1.083 0.002
C2H2F2 Ethene, 1,2-difluoro-, (E)- 1.080 0.002
C4H4N2 1,3-Diazine 1.087 0.002
CHF2CHF2 1,1,2,2-tetrafluoroethane 1.087 0.002
C4H6 Methylenecyclopropane 1.088 0.002
CH2CCH2 allene 1.087 0.002
H2NCH2COOH Glycine 1.096 0.002
H2CS Thioformaldehyde 1.087 0.002
CH3SiH3 methyl silane 1.096 0.002
C2H5N Aziridine 1.083 0.002
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.088 0.003
CH3OC2H5 Ethane, methoxy- 1.099 0.003
CH2CHF Ethene, fluoro- 1.082 0.003
C3H4N2 1H-Pyrazole 1.080 0.003
CH3OCH3 Dimethyl ether 1.099 0.003
C3H4 cyclopropene 1.088 0.003
CH3NO nitrosomethane 1.094 0.003
CH2CHCHO Acrolein 1.089 0.003
C6H12 Cyclohexane 1.101 0.003
CH3CCl3 Ethane, 1,1,1-trichloro- 1.093 0.003
C6H10 cyclohexene 1.090 0.003
CH3SCH3 Dimethyl sulfide 1.091 0.003
C4H10O Propane, 2-methoxy- 1.095 0.003
C2H4 Ethylene 1.086 0.003
C2H4O Ethylene oxide 1.084 0.003
C3H3NO Oxazole 1.075 0.003
CHClCCl2 Trichloroethylene 1.080 0.003
HCCl Chloromethylene 1.119 0.003
C3H4O Cyclopropanone 1.086 0.003
CH3COCH2CH3 2-Butanone 1.095 0.004
C4H5N (E)-2-Butenenitrile 1.090 0.004
CH3CHS Thioacetaldehyde 1.098 0.004
CH3CHClCH3 Propane, 2-chloro- 1.091 0.004
CH3CHFCH3 2-Fluoropropane 1.093 0.004
CH3CHFCH3 2-Fluoropropane 1.094 0.004
C2H4S Thiirane 1.083 0.004
C3H3N acrylonitrile 1.086 0.004
CH3OCHO methyl formate 1.086 0.004
CH2CHCH2CH3 1-Butene 1.095 0.004
C4H4N2 1,3-Diazine 1.082 0.004
CH3COCH2CH3 2-Butanone 1.096 0.004
C2H2ClF 1-chloro-1-fluoroethylene 1.082 0.004
CH2CHOH ethenol 1.086 0.004
CH3COCH2CH3 2-Butanone 1.093 0.004
C4H10O Ethoxy ethane 1.100 0.004
C2H3 vinyl 1.080 0.004
CH3CHS Thioacetaldehyde 1.089 0.004
CH3OC2H5 Ethane, methoxy- 1.100 0.004
C4H4S Thiophene 1.079 0.004
CH3 Methyl radical 1.079 0.004
C5H8 Bicyclo[2.1.0]pentane 1.095 0.004
CH3NO3 Methyl nitrate 1.088 0.004
C3H3NO Oxazole 1.075 0.004
C4H6 Cyclobutene 1.094 0.004
C4H10O Propane, 2-methoxy- 1.095 0.004
C5H8 Cyclopentene 1.085 0.004
C5H8 Cyclopentene 1.095 0.004
C3H6 Cyclopropane 1.083 0.004
CH2NOH formaldoxime 1.085 0.005
C3H7SH 1-Propanethiol 1.094 0.005
CH3OC2H5 Ethane, methoxy- 1.092 0.005
CH3NO nitrosomethane 1.092 0.005
CH3COCH2CH3 2-Butanone 1.091 0.005
C4H6 Cyclobutene 1.083 0.005
C5H6 1-Buten-3-yne, 2-methyl- 1.065 0.005
C6H10 cyclohexene 1.100 0.005
C4H4N2 Pyrazine 1.083 0.005
CH3SCH2CH3 Ethane, (methylthio)- 1.090 0.005
C2H3Br vinyl bromide 1.080 0.005
CH2CHCH2CH3 1-Butene 1.090 0.005
CH(CN)3 tricyanomethane 1.100 0.005
C3H3NO Oxazole 1.073 0.005
C2H5N Aziridine 1.084 0.005
C4H6S Thiophene, 2,5-dihydro- 1.085 0.005
CH2NN diazomethane 1.075 0.005
CH2F2 Methane, difluoro- 1.084 0.005
C2H5Br Ethyl bromide 1.087 0.005
C6H8 1,4-Cyclohexadiene 1.100 0.005
C6H6 Benzvalene 1.078 0.005
CH3SeH Methane selenol 1.088 0.006
C4H8 cyclobutane 1.093 0.006
C6H6 Benzvalene 1.082 0.006
C3H8 Propane 1.096 0.006
CH3NO2 Methane, nitro- 1.088 0.006
CH3SCH2CH3 Ethane, (methylthio)- 1.089 0.006
CH3SCH2CH3 Ethane, (methylthio)- 1.092 0.006
C4H8 cyclobutane 1.091 0.006
C5H10 Cyclopropane, 1,1-dimethyl- 1.095 0.006
C3H8 Propane 1.094 0.006
CH3CHFCH3 2-Fluoropropane 1.092 0.006
CH3CH2Cl Ethyl chloride 1.086 0.006
C2H2 Acetylene 1.063 0.006
C2H6O2 1,2-Ethanediol 1.093 0.006
HCN Hydrogen cyanide 1.064 0.006
CH3CHS Thioacetaldehyde 1.090 0.006
C3H7SH 1-Propanethiol 1.090 0.006
C5H4O2 4-Cyclopentene-1,3-dione 1.093 0.006
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.095 0.006
CH3F Methyl fluoride 1.087 0.006
C2H5F fluoroethane 1.090 0.006
C2H2+ acetylene cation 1.077 0.006
C3H6O 2-Propen-1-ol 1.096 0.007
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.092 0.007
C4H10O Ethoxy ethane 1.090 0.007
CH2CHCHO Acrolein 1.084 0.007
C3H4 cyclopropene 1.072 0.007
CH2CHOH ethenol 1.079 0.007
CH3OC2H5 Ethane, methoxy- 1.086 0.007
C6H6 Benzene 1.084 0.007
CH2CHCHO Acrolein 1.081 0.007
C2H5Br Ethyl bromide 1.093 0.007
HCS+ Thioformyl cation 1.079 0.007
C6H5F Fluorobenzene 1.083 0.007
CH3CH2Cl Ethyl chloride 1.089 0.007
C4H4N2 Succinonitrile 1.092 0.007
C4H10O Ethoxy ethane 1.092 0.007
H2CCCCH2 Butatriene 1.083 0.007
CH3Br methyl bromide 1.082 0.008
CH3OCH3 Dimethyl ether 1.085 0.008
C6H5F Fluorobenzene 1.081 0.008
CH3CHSHCH3 2-Propanethiol 1.091 0.008
C2H5F fluoroethane 1.091 0.008
C5H10 2-Pentene, (Z)- 1.092 0.008
C2H6 Ethane 1.091 0.008
C4H5N Pyrrole 1.076 0.008
C5H8O Cyclopentanone 1.095 0.008
C6H6 Fulvene 1.080 0.008
CH2Br2 dibromomethane 1.079 0.008
CH3CH(CH3)CH3 Isobutane 1.092 0.008
CH2NH Methanimine 1.081 0.008
C3H6O Propylene oxide 1.090 0.008
CH3CHNOH Acetaldoxime 1.085 0.008
C2H3Cl Ethene, chloro- 1.079 0.008
HCCCN Cyanoacetylene 1.062 0.008
C6H5OH phenol 1.082 0.008
C6H5CH3 toluene 1.083 0.008
C5H6 1-Buten-3-yne, 2-methyl- 1.090 0.008
C6H5CN phenyl cyanide 1.082 0.008
C6H12 Cyclohexane 1.093 0.008
CHClCHCl Ethene, 1,2-dichloro-, (E)- 1.075 0.008
C3H7SH 1-Propanethiol 1.092 0.008
C6H5Cl chlorobenzene 1.082 0.008
C3H6O Propylene oxide 1.082 0.009
CHOCHCHCH3 2-Butenal 1.084 0.009
CH4 Methane 1.087 0.009
CH3CHClCH3 Propane, 2-chloro- 1.092 0.009
CHOCHCHCH3 2-Butenal 1.090 0.009
C6H6 Benzvalene 1.078 0.009
C2H3Br vinyl bromide 1.080 0.009
C5H6 1-Buten-3-yne, 2-methyl- 1.081 0.009
C4H5N (E)-2-Butenenitrile 1.090 0.009
CH3CH2SH ethanethiol 1.091 0.009
CH2CHF Ethene, fluoro- 1.077 0.009
C2H3 vinyl 1.085 0.009
C10H8 Azulene 1.081 0.009
C5H10 Cyclopropane, 1,1-dimethyl- 1.080 0.009
C6H5OH phenol 1.084 0.009
CH3COF Acetyl fluoride 1.084 0.009
C6H5Cl chlorobenzene 1.081 0.009
C6H5NH2 aniline 1.084 0.009
C4H4Se selenophene 1.079 0.009
SiH2(CH3)2 dimethylsilane 1.089 0.009
C10H8 Azulene 1.084 0.009
C4H10O Propane, 2-methoxy- 1.090 0.009
C5H6 Cyclopropylacetylene 1.080 0.010
C4H4N2 1,3-Diazine 1.079 0.010
C10H8 Azulene 1.080 0.010
CH3CHO Acetaldehyde 1.086 0.010
CH3OCl methyl hypochlorite 1.086 0.010
CH3CH2Cl Ethyl chloride 1.090 0.010
C6H5CH3 toluene 1.081 0.010
C6H6 Fulvene 1.078 0.010
C10H16 adamantane 1.093 0.010
C6H5Cl chlorobenzene 1.079 0.010
C6H5F Fluorobenzene 1.080 0.010
C3H8 Propane 1.089 0.010
CH3OC2H5 Ethane, methoxy- 1.089 0.010
CHOCHCHCH3 2-Butenal 1.086 0.010
C3H6O 2-Propen-1-ol 1.078 0.011
C4H5N (E)-2-Butenenitrile 1.081 0.011
CH3CHFCH3 2-Fluoropropane 1.088 0.011
C6H10O cyclohexanone 1.088 0.011
C2H5CN ethyl cyanide 1.087 0.011
CH3COCH2CH3 2-Butanone 1.093 0.011
C6H5CN phenyl cyanide 1.080 0.011
CH3CH2OH Ethanol 1.088 0.011
C6H5CN phenyl cyanide 1.080 0.011
CH3NHCH3 Dimethylamine 1.098 0.011
CHONH2 formamide 1.090 0.011
C5H10 2-Pentene, (E)- 1.082 0.011
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.091 0.012
CH3SCH2CH3 Ethane, (methylthio)- 1.087 0.012
C6H5CH3 toluene 1.081 0.012
CH3CH2O Ethoxy radical 1.085 0.012
C2H5CN ethyl cyanide 1.088 0.012
HCP Phosphaethyne 1.067 0.012
CH3NHCH3 Dimethylamine 1.084 0.013
CH3CF3 Ethane, 1,1,1-trifluoro- 1.081 0.013
C10H8 Azulene 1.081 0.013
CH3NH2 methyl amine 1.093 0.013
CH3CH2O Ethoxy radical 1.086 0.013
GeH3CH3 methyl germane 1.083 0.013
HCCBr bromoacetylene 1.055 0.013
HCCCl Chloroacetylene 1.055 0.014
C6H10 1-Butyne, 3,3-dimethyl- 1.056 0.014
HCCF Fluoroacetylene 1.053 0.014
C10H8 Azulene 1.083 0.014
C4H4Se selenophene 1.070 0.014
CH3CHF2 Ethane, 1,1-difluoro- 1.081 0.014
C5H6 Cyclopropylacetylene 1.055 0.014
C6H5CCH phenylacetylene 1.055 0.015
CH3CH2O Ethoxy radical 1.088 0.015
C6H5OH phenol 1.076 0.015
C3H7N Cyclopropylamine 1.080 0.015
C5H8 1,3-Butadiene, 2-methyl- 1.076 0.015
C8H8 cyclooctatetraene 1.079 0.016
CH3CH2OH Ethanol 1.086 0.016
CH2CCl2 Ethene, 1,1-dichloro- 1.070 0.016
CH Methylidyne 1.120 0.017
CH2NCH3 N-methylmethanimine 1.089 0.017
C6H5Br bromobenzene 1.072 0.017
C5H6S Thiophene, 3-methyl- 1.081 0.018
C2H Ethynyl radical 1.047 0.019
C4H9N Pyrrolidine 1.090 0.019
CH3CCl(CH3)CH3 Propane, 2-chloro-2-methyl- 1.078 0.023
N(CH3)3 Trimethylamine 1.088 0.023
C3H5 Allyl radical 1.069 0.023
C4H4N2 Pyridazine 1.064 0.025
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.072 0.027
C5H10 2-Pentene, (Z)- 1.058 0.037
CH3SOCH3 Dimethyl sulfoxide 1.054 0.039
HCO Formyl radical 1.080 0.054
C3H3NO Isoxazole 1.075 0.362
C4H10O Methyl propyl ether 1.099 0.368
C4H6 1-Methylcyclopropene 1.070 0.474
C4H6 1-Methylcyclopropene 1.098 0.676
C4H6 1-Methylcyclopropene 1.098 0.686
C4H6 1-Methylcyclopropene 1.087 0.746
C4H6 1-Methylcyclopropene 1.087 2.387
C4H6 1-Methylcyclopropene 1.085 3.158