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Compare Bonds

18 10 26 16 45

MP2/3-21G* 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 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-0.046
Most positive difference C4H6 1-Methylcyclopropene3.131

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C3H8O2 1,3-Propanediol 1.140 -0.046
C6H6 Fulvene 1.130 -0.042
C3H5Cl3 Propane, 1,2,3-trichloro- 1.131 -0.040
C5H8O Methyl cyclopropyl ketone 1.126 -0.034
CH3CONH2 Acetamide 1.124 -0.033
CHOCH(CH3)CH3 Propanal, 2-methyl- 1.127 -0.032
C2H2O2 Ethanedial 1.132 -0.032
CH2SHCH2SH 1,2-Ethanedithiol 1.120 -0.027
C2H3CCH 1-Buten-3-yne 1.090 -0.026
CHBr3 bromoform 1.110 -0.024
C2HF3 Trifluoroethylene 1.100 -0.024
CH2ClCHClCH3 Propane, 1,2-dichloro- 1.113 -0.023
C4H5N Cyclopropanecarbonitrile 1.107 -0.023
C2H6N2O2 Dimethylnitroamine 1.121 -0.023
CH2ClCH2Cl Ethane, 1,2-dichloro- 1.112 -0.023
C6H14 Hexane 1.118 -0.022
C4H6O2 2,3-Butanedione 1.114 -0.022
CH2ClCH2CH3 Propane, 1-chloro- 1.113 -0.022
C7H16 heptane 1.121 -0.022
C2H3CCH 1-Buten-3-yne 1.106 -0.021
C5H8 Spiropentane 1.105 -0.021
C5H6 Propellane 1.106 -0.020
CH3CCCH3 2-Butyne 1.116 -0.020
C3H7NO dimethylformamide 1.112 -0.020
C5H12O Butane, 1-methoxy- 1.115 -0.020
HCONHCH3 N-methylformamide 1.114 -0.019
CH3CH2CH2CH3 Butane 1.117 -0.019
CH3OCl methyl hypochlorite 1.111 -0.019
C5H12 Pentane 1.118 -0.019
CH2ClCH2CH2CH3 Butane, 1-chloro- 1.110 -0.019
C5H10 Cyclopentane 1.114 -0.019
C5H10O 2-Butanone, 3-methyl- 1.113 -0.019
C6H12 (E)-3-methylpent-2-ene 1.116 -0.019
CHClCHCl Ethene, 1,2-dichloro-, (Z)- 1.101 -0.019
C3H6S3 1,3,5-Trithiane 1.114 -0.018
C4H10O2 Ethane, 1,2-dimethoxy- 1.109 -0.018
C7H12 Norbornane 1.113 -0.017
C5H12 Propane, 2,2-dimethyl- 1.114 -0.017
C5H10O 2H-Pyran, tetrahydro- 1.116 -0.017
C5H10S 2H-Thiopyran, tetrahydro- 1.114 -0.017
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.102 -0.016
Si(CH3)4 tetramethylsilane 1.115 -0.016
CH3CHClCH2CH3 Butane, 2-chloro- 1.110 -0.016
C5H8 1,3-Butadiene, 2-methyl- 1.110 -0.015
C4H8O2 Ethyl acetate 1.105 -0.014
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.098 -0.014
N(CH3)3 Trimethylamine 1.109 -0.014
CH2CHOH ethenol 1.097 -0.014
CH2N2 diazirine 1.090 -0.013
CH3O Methoxy radical 1.112 -0.013
C6H8 (Z)-hexa-1,3,5-triene 1.104 -0.013
C5H8 Ethenylcyclopropane 1.099 -0.013
CH3COCl Acetyl Chloride 1.105 -0.013
C2H8N2 Ethylenediamine 1.109 -0.012
CH2CF2 Ethene, 1,1-difluoro- 1.091 -0.012
CH3CH2NH2 Ethylamine 1.107 -0.012
C3H8O2 Methane, dimethoxy- 1.108 -0.012
CH3SH Methanethiol 1.104 -0.012
H2CO Formaldehyde 1.111 -0.011
C3H2N2 Malononitrile 1.109 -0.011
C5H8 1,4-Pentadiene 1.110 -0.011
CH3COCH3 Acetone 1.103 -0.011
CH3CH2CHO Propanal 1.115 -0.010
CH3CHO Acetaldehyde 1.114 -0.010
CH3CH(CH3)CH3 Isobutane 1.108 -0.010
CH3CH2CHO Propanal 1.103 -0.010
CH3CN Acetonitrile 1.104 -0.010
C8H8 cubane 1.097 -0.009
C12H8 biphenylene 1.096 -0.009
C4H8O2 1,3-Dioxolane, 2-methyl- 1.102 -0.009
CH2NH Methanimine 1.103 -0.009
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 1.089 -0.009
CH3ONO Methyl nitrite 1.102 -0.009
CH3OCHO methyl formate 1.101 -0.009
CH3CCl2CH3 Propane, 2,2-dichloro- 1.101 -0.009
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.008
C3H6S Thietane 1.100 -0.008
C4H6O Cyclobutanone 1.100 -0.008
CHF3 Methane, trifluoro- 1.091 -0.008
C2H3Cl Ethene, chloro- 1.090 -0.008
C5H8 Cyclobutane, methylene- 1.101 -0.007
HFCO formyl fluoride 1.095 -0.007
C4H8O2 1,3-Dioxane 1.095 -0.007
HCOOH Formic acid 1.097 -0.007
CHF2Cl difluorochloromethane 1.090 -0.007
CH2O2 Dioxirane 1.090 -0.006
CH3CH2CHO Propanal 1.105 -0.006
CH3OH Methyl alcohol 1.096 -0.006
C5H8O 2H-Pyran, 3,4-dihydro- 1.090 -0.006
C5H6S Thiophene, 3-methyl- 1.090 -0.005
CH2CHF Ethene, fluoro- 1.087 -0.005
CH2 Methylene 1.085 -0.005
CH3CH2OH Ethanol 1.098 -0.005
C4H6 Methylenecyclopropane 1.090 -0.005
C3H6O 2-Propen-1-ol 1.092 -0.005
C5H6 1-Buten-3-yne, 2-methyl- 1.091 -0.005
CH2CHCHO Acrolein 1.113 -0.005
C5H8 Bicyclo[2.1.0]pentane 1.085 -0.005
C6H5CH2CH3 Ethylbenzene 1.094 -0.005
C3H4N2 1H-Pyrazole 1.083 -0.005
CH2CS Thioketene 1.090 -0.004
CH3NO3 Methyl nitrate 1.095 -0.004
C3H5ClO Oxirane, (chloromethyl)- 1.095 -0.004
C2H3Br vinyl bromide 1.088 -0.004
C3H8O2 Propylene glycol 1.095 -0.004
C4H6O Furan, 2,5-dihydro- 1.100 -0.004
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.087 -0.003
C3H6O 2-Propen-1-ol 1.091 -0.003
C6H5CH3 toluene 1.100 -0.003
CH3NHCH3 Dimethylamine 1.098 -0.003
CH2NOH formaldoxime 1.086 -0.003
C3H4 cyclopropene 1.088 -0.003
CH2PH Phosphaethene 1.090 -0.003
CH2FCl fluorochloromethane 1.090 -0.003
CHFClBr fluorochlorobromomethane 1.088 -0.003
CH3CH(CH3)CH3 Isobutane 1.100 -0.003
C3H4N2 1H-Pyrazole 1.082 -0.003
CH3CHCl2 Ethane, 1,1-dichloro- 1.090 -0.003
C2H4F2 1,2-difluoroethane 1.094 -0.002
CH3NO nitrosomethane 1.094 -0.002
CH2BrF Methane, bromofluoro- 1.090 -0.002
C6H12 Cyclohexane 1.101 -0.002
C4H4N2 1,3-Diazine 1.087 -0.002
CH3CH2CHO Propanal 1.096 -0.002
CH2PH Phosphaethene 1.090 -0.002
CH3SSCH3 Disulfide, dimethyl 1.097 -0.002
CH3NC methyl isocyanide 1.094 -0.002
H2NCH2COOH Glycine 1.096 -0.002
C3H4N2 1H-Pyrazole 1.080 -0.002
CH3ONO Methyl nitrite 1.090 -0.002
C6H6 Benzvalene 1.078 -0.002
CH3SCH2CH3 Ethane, (methylthio)- 1.097 -0.002
CH3Cl Methyl chloride 1.090 -0.002
C2H5N Aziridine 1.083 -0.001
HOCH2COOH Hydroxyacetic acid 1.097 -0.001
CH2CO Ketene 1.083 -0.001
C4H6 Cyclobutene 1.094 -0.001
C2H5F fluoroethane 1.095 -0.001
C3H6O 2-Propen-1-ol 1.102 -0.001
C3H4O Cyclopropanone 1.086 -0.001
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.001
C4H6 Methylenecyclopropane 1.088 -0.001
C4H6 Cyclobutene 1.083 -0.001
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.088 -0.001
C6H10 cyclohexene 1.090 -0.001
CH3COCH2CH3 2-Butanone 1.095 -0.001
C4H5N (E)-2-Butenenitrile 1.090 -0.001
CH3PH2 Methyl phosphine 1.094 -0.001
C5H8 Cyclopentene 1.095 -0.001
C5H6 1-Buten-3-yne, 2-methyl- 1.065 -0.001
CH2CCH2 allene 1.087 -0.001
C4H6S Thiophene, 2,5-dihydro- 1.095 -0.000
CH2CHCH2CH3 1-Butene 1.095 -0.000
C3H3NO Oxazole 1.075 -0.000
C2H2F2 Ethene, 1,2-difluoro-, (E)- 1.080 -0.000
C6H10 cyclohexene 1.100 -0.000
C2H4 Ethylene 1.086 -0.000
CHF2CHF2 1,1,2,2-tetrafluoroethane 1.087 -0.000
CH3CCl3 Ethane, 1,1,1-trichloro- 1.093 -0.000
CH3CHS Thioacetaldehyde 1.098 -0.000
CH3CCH propyne 1.096 -0.000
C5H8 Cyclopentene 1.085 -0.000
C3H6 Cyclopropane 1.083 -0.000
CH2CHCHO Acrolein 1.089 -0.000
C3H3NO Oxazole 1.075 0.000
CH3COCH2CH3 2-Butanone 1.096 0.000
CH3CHFCH3 2-Fluoropropane 1.094 0.000
C2H2ClF 1-chloro-1-fluoroethylene 1.082 0.000
CH2CHOH ethenol 1.086 0.000
CH3SeCH3 dimethylselenide 1.093 0.000
C4H10O Propane, 2-methoxy- 1.095 0.000
C2H4O Ethylene oxide 1.084 0.000
C3H3N acrylonitrile 1.086 0.000
CH3COCH2CH3 2-Butanone 1.093 0.000
C4H10O Ethoxy ethane 1.100 0.000
C3H4 cyclopropene 1.072 0.000
CH3OC2H5 Ethane, methoxy- 1.099 0.000
CH2CHCH2CH3 1-Butene 1.090 0.000
C2H3 vinyl 1.080 0.000
HCN Hydrogen cyanide 1.064 0.000
C4H8 cyclobutane 1.093 0.000
C4H8 cyclobutane 1.091 0.000
HCCl Chloromethylene 1.119 0.000
CH3OC2H5 Ethane, methoxy- 1.100 0.000
CH3OCH3 Dimethyl ether 1.099 0.001
C4H6S Thiophene, 2,5-dihydro- 1.085 0.001
CH2CHF Ethene, fluoro- 1.082 0.001
C3H8 Propane 1.096 0.001
CH3CHClCH3 Propane, 2-chloro- 1.091 0.001
CH3CHFCH3 2-Fluoropropane 1.093 0.001
CH2NOH formaldoxime 1.085 0.001
C6H6 Benzvalene 1.082 0.001
CH2Cl2 Methylene chloride 1.085 0.001
C3H3NO Oxazole 1.073 0.001
CH3OC2H5 Ethane, methoxy- 1.092 0.001
C2H4S Thiirane 1.083 0.001
C2H5N Aziridine 1.084 0.001
CH3 Methyl radical 1.079 0.001
C6H8 1,4-Cyclohexadiene 1.100 0.001
CH3NO nitrosomethane 1.092 0.001
CHOCHCHCH3 2-Butenal 1.108 0.001
C3H7SH 1-Propanethiol 1.094 0.001
C2H2 Acetylene 1.063 0.001
C4H4N2 1,3-Diazine 1.082 0.001
CH3SiH3 methyl silane 1.096 0.001
CH(CN)3 tricyanomethane 1.100 0.001
CH3SOCH3 Dimethyl sulfoxide 1.093 0.001
CH3COCH2CH3 2-Butanone 1.091 0.001
C4H4N2 Pyrazine 1.083 0.002
C4H10O Propane, 2-methoxy- 1.095 0.002
C4H4S Thiophene 1.079 0.002
CH3OCHO methyl formate 1.086 0.002
CHClCCl2 Trichloroethylene 1.080 0.002
C3H8 Propane 1.094 0.002
C5H10 Cyclopropane, 1,1-dimethyl- 1.095 0.002
CH2NN diazomethane 1.075 0.002
CH3SCH2CH3 Ethane, (methylthio)- 1.092 0.002
C2H2+ acetylene cation 1.077 0.002
CH2CHCHO Acrolein 1.084 0.002
CH3NO2 Methane, nitro- 1.088 0.002
C5H4O2 4-Cyclopentene-1,3-dione 1.093 0.002
CH3NO3 Methyl nitrate 1.088 0.002
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.095 0.002
H2CS Thioformaldehyde 1.087 0.002
CH3CHS Thioacetaldehyde 1.090 0.002
CH3SCH3 Dimethyl sulfide 1.091 0.003
C2H5F fluoroethane 1.091 0.003
C4H10O Ethoxy ethane 1.092 0.003
C4H10O Ethoxy ethane 1.090 0.003
C2H3Br vinyl bromide 1.080 0.003
C6H6 Benzene 1.084 0.003
C2H5F fluoroethane 1.090 0.003
CH2CHOH ethenol 1.079 0.003
C6H6 Fulvene 1.080 0.003
C4H5N Pyrrole 1.076 0.003
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.092 0.003
HCCCN Cyanoacetylene 1.062 0.003
C6H5F Fluorobenzene 1.083 0.003
CH3CHFCH3 2-Fluoropropane 1.092 0.003
C5H10 2-Pentene, (Z)- 1.092 0.003
CH3CHS Thioacetaldehyde 1.089 0.003
C2H6O2 1,2-Ethanediol 1.093 0.004
C2H5Br Ethyl bromide 1.087 0.004
C6H6 Benzvalene 1.078 0.004
C6H5F Fluorobenzene 1.081 0.004
C2H6O2S Dimethyl sulfone 1.091 0.004
C5H8O Cyclopentanone 1.095 0.004
C2H6 Ethane 1.091 0.004
C2H5Br Ethyl bromide 1.093 0.004
CH3CH2Cl Ethyl chloride 1.089 0.004
CH2CHCHO Acrolein 1.081 0.004
HCS+ Thioformyl cation 1.079 0.004
C4H4N2 Succinonitrile 1.092 0.004
CH3SCH2CH3 Ethane, (methylthio)- 1.090 0.004
CHOCHCHCH3 2-Butenal 1.084 0.004
C3H7SH 1-Propanethiol 1.090 0.004
C3H7SH 1-Propanethiol 1.092 0.004
CH3CH2Cl Ethyl chloride 1.086 0.004
CH3CCH propyne 1.060 0.004
C6H5OH phenol 1.082 0.004
C10H8 Azulene 1.081 0.004
C6H5CH3 toluene 1.083 0.004
C3H6O 2-Propen-1-ol 1.096 0.004
CH3CH(CH3)CH3 Isobutane 1.092 0.004
C6H5CN phenyl cyanide 1.082 0.004
C6H12 Cyclohexane 1.093 0.004
CH3CHClCH3 Propane, 2-chloro- 1.092 0.004
C3H6O Propylene oxide 1.090 0.004
CH3SeH Methane selenol 1.088 0.004
C3H6O Propylene oxide 1.082 0.004
C6H5Cl chlorobenzene 1.082 0.004
H2CCCCH2 Butatriene 1.083 0.005
C5H10 Cyclopropane, 1,1-dimethyl- 1.080 0.005
CH3I methyl iodide 1.084 0.005
C10H8 Azulene 1.080 0.005
C5H6 Cyclopropylacetylene 1.080 0.005
CH3SCH2CH3 Ethane, (methylthio)- 1.089 0.005
C6H5OH phenol 1.084 0.005
CHOCHCHCH3 2-Butenal 1.090 0.005
CH3COF Acetyl fluoride 1.084 0.005
CH3CH2SH ethanethiol 1.091 0.005
C2H3Cl Ethene, chloro- 1.079 0.005
C5H6 1-Buten-3-yne, 2-methyl- 1.090 0.005
C6H6 Fulvene 1.078 0.005
CH2F2 Methane, difluoro- 1.084 0.005
C6H5Cl chlorobenzene 1.081 0.005
CH3CHSHCH3 2-Propanethiol 1.091 0.005
C4H10O Propane, 2-methoxy- 1.090 0.005
CH2CHF Ethene, fluoro- 1.077 0.005
C4H5N (E)-2-Butenenitrile 1.090 0.005
CH4 Methane 1.087 0.005
CH3OC2H5 Ethane, methoxy- 1.086 0.006
CH3OC2H5 Ethane, methoxy- 1.089 0.006
CH3CHFCH3 2-Fluoropropane 1.088 0.006
C5H6 1-Buten-3-yne, 2-methyl- 1.081 0.006
CH3COCH2CH3 2-Butanone 1.093 0.006
C2H3Br vinyl bromide 1.080 0.006
C6H5CH3 toluene 1.081 0.006
CH3F Methyl fluoride 1.087 0.006
C4H4Se selenophene 1.079 0.006
C10H16 adamantane 1.093 0.006
C10H8 Azulene 1.084 0.006
C2H3 vinyl 1.085 0.006
C6H5F Fluorobenzene 1.080 0.006
CH2NH Methanimine 1.081 0.006
CH3CH2Cl Ethyl chloride 1.090 0.006
CH3CHO Acetaldehyde 1.086 0.006
CH3OCH3 Dimethyl ether 1.085 0.006
C4H4N2 1,3-Diazine 1.079 0.006
CH3CH2OH Ethanol 1.088 0.006
CH3Br methyl bromide 1.082 0.006
C3H8 Propane 1.089 0.006
CHOCHCHCH3 2-Butenal 1.086 0.007
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.091 0.007
C5H10 2-Pentene, (E)- 1.082 0.007
C6H5Cl chlorobenzene 1.079 0.007
CH3NHCH3 Dimethylamine 1.098 0.007
CH3OCl methyl hypochlorite 1.086 0.007
CHClCHCl Ethene, 1,2-dichloro-, (E)- 1.075 0.007
C6H5CN phenyl cyanide 1.080 0.007
C6H5CN phenyl cyanide 1.080 0.007
C6H10O cyclohexanone 1.088 0.007
C3H6O 2-Propen-1-ol 1.078 0.007
C4H5N (E)-2-Butenenitrile 1.081 0.007
C2H5CN ethyl cyanide 1.087 0.007
CH2Br2 dibromomethane 1.079 0.008
CH3S thiomethoxy 1.090 0.008
C6H5CH3 toluene 1.081 0.008
HCCF Fluoroacetylene 1.053 0.008
CH3SCH2CH3 Ethane, (methylthio)- 1.087 0.008
C6H10 1-Butyne, 3,3-dimethyl- 1.056 0.008
SiH2(CH3)2 dimethylsilane 1.089 0.008
CH3CH2O Ethoxy radical 1.085 0.009
HCCCl Chloroacetylene 1.055 0.009
CH3CH2O Ethoxy radical 1.086 0.009
C2H5CN ethyl cyanide 1.088 0.009
CH3CF3 Ethane, 1,1,1-trifluoro- 1.081 0.009
HCCBr bromoacetylene 1.055 0.009
HCP Phosphaethyne 1.067 0.009
C5H6 Cyclopropylacetylene 1.055 0.009
C6H5CCH phenylacetylene 1.055 0.009
C10H8 Azulene 1.081 0.010
CH3NH2 methyl amine 1.093 0.010
CH3NHCH3 Dimethylamine 1.084 0.010
CH3CH2O Ethoxy radical 1.088 0.011
C10H8 Azulene 1.083 0.011
C3H7N Cyclopropylamine 1.080 0.011
C6H5OH phenol 1.076 0.011
CH3CHF2 Ethane, 1,1-difluoro- 1.081 0.011
C4H9N Pyrrolidine 1.090 0.011
C8H8 cyclooctatetraene 1.079 0.012
CHONH2 formamide 1.090 0.012
C5H8 1,3-Butadiene, 2-methyl- 1.076 0.012
GeH3CH3 methyl germane 1.083 0.012
C4H4Se selenophene 1.070 0.012
CH2NCH3 N-methylmethanimine 1.089 0.013
CH3CH2OH Ethanol 1.086 0.013
CH2CCl2 Ethene, 1,1-dichloro- 1.070 0.013
C6H5Br bromobenzene 1.072 0.014
C2H Ethynyl radical 1.047 0.015
C5H6S Thiophene, 3-methyl- 1.081 0.015
CH Methylidyne 1.120 0.016
N(CH3)3 Trimethylamine 1.088 0.018
CH3CCl(CH3)CH3 Propane, 2-chloro-2-methyl- 1.078 0.019
C3H5 Allyl radical 1.069 0.020
C4H4N2 Pyridazine 1.064 0.021
CH2I2 Diiodomethane 1.066 0.022
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.072 0.023
C5H10 2-Pentene, (Z)- 1.058 0.033
HCNO fulminic acid 1.027 0.033
CH3SOCH3 Dimethyl sulfoxide 1.054 0.040
HCO Formyl radical 1.080 0.055
C3H3NO Isoxazole 1.075 0.360
C4H10O Methyl propyl ether 1.099 0.369
C4H6 1-Methylcyclopropene 1.070 0.480
C4H6 1-Methylcyclopropene 1.098 0.675
C4H6 1-Methylcyclopropene 1.098 0.685
C4H6 1-Methylcyclopropene 1.087 0.750
C4H6 1-Methylcyclopropene 1.087 2.381
C4H6 1-Methylcyclopropene 1.085 3.131