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Compare Bonds

18 10 26 16 45

MP2=FULL/6-31+G** 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 350
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-0.049
Most positive difference C4H6 1-Methylcyclopropene3.129

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C3H8O2 1,3-Propanediol 1.140 -0.049
C6H6 Fulvene 1.130 -0.048
C5H8O Methyl cyclopropyl ketone 1.126 -0.040
CH3CONH2 Acetamide 1.124 -0.039
CHOCH(CH3)CH3 Propanal, 2-methyl- 1.127 -0.038
C2H2O2 Ethanedial 1.132 -0.033
CH2SHCH2SH 1,2-Ethanedithiol 1.120 -0.032
C4H6O2 2,3-Butanedione 1.114 -0.029
HCONHCH3 N-methylformamide 1.114 -0.029
CHBr3 bromoform 1.110 -0.028
CH2ClCHClCH3 Propane, 1,2-dichloro- 1.113 -0.028
CH3CCCH3 2-Butyne 1.116 -0.027
C3H7NO dimethylformamide 1.112 -0.027
C2H3CCH 1-Buten-3-yne 1.090 -0.027
C7H16 heptane 1.121 -0.027
CH2ClCH2Cl Ethane, 1,2-dichloro- 1.112 -0.027
C4H5N Cyclopropanecarbonitrile 1.107 -0.026
C2H3CCH 1-Buten-3-yne 1.106 -0.026
CH2ClCH2CH3 Propane, 1-chloro- 1.113 -0.026
C2HF3 Trifluoroethylene 1.100 -0.025
CH3OCl methyl hypochlorite 1.111 -0.025
Si(CH3)4 tetramethylsilane 1.115 -0.025
CH3CH2CH2CH3 Butane 1.117 -0.024
C5H12 Pentane 1.118 -0.024
C5H6 Propellane 1.106 -0.024
C5H8 Spiropentane 1.105 -0.023
C5H10 Cyclopentane 1.114 -0.023
C5H12 Propane, 2,2-dimethyl- 1.114 -0.023
C5H10S 2H-Thiopyran, tetrahydro- 1.114 -0.023
CH2ClCH2CH2CH3 Butane, 1-chloro- 1.110 -0.023
C5H8 1,3-Butadiene, 2-methyl- 1.110 -0.022
C3H6S3 1,3,5-Trithiane 1.114 -0.022
CHClCHCl Ethene, 1,2-dichloro-, (Z)- 1.101 -0.022
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.102 -0.022
C7H12 Norbornane 1.113 -0.021
CH3CHClCH2CH3 Butane, 2-chloro- 1.110 -0.021
C4H8O2 Ethyl acetate 1.105 -0.021
N(CH3)3 Trimethylamine 1.109 -0.021
CH3COCl Acetyl Chloride 1.105 -0.020
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.098 -0.020
C3H2N2 Malononitrile 1.109 -0.019
CH3SH Methanethiol 1.104 -0.018
CH3COCH3 Acetone 1.103 -0.018
CH3CN Acetonitrile 1.104 -0.017
C2H8N2 Ethylenediamine 1.109 -0.017
CH2CHOH ethenol 1.097 -0.017
C5H8 1,4-Pentadiene 1.110 -0.017
CH3CH2NH2 Ethylamine 1.107 -0.017
CH3COOH Acetic acid 1.100 -0.016
CH2CF2 Ethene, 1,1-difluoro- 1.091 -0.016
CH3O Methoxy radical 1.112 -0.016
C5H8 Ethenylcyclopropane 1.099 -0.016
C3H8O2 Methane, dimethoxy- 1.108 -0.016
CH3CH2CHO Propanal 1.103 -0.016
HCCl Chloromethylene 1.119 -0.016
CH3ONO Methyl nitrite 1.102 -0.015
CH3CCl2CH3 Propane, 2,2-dichloro- 1.101 -0.015
CH3CH(CH3)CH3 Isobutane 1.108 -0.014
CH2NH Methanimine 1.103 -0.014
C12H8 biphenylene 1.096 -0.013
H2CO Formaldehyde 1.111 -0.013
CH3CHNOH Acetaldoxime 1.100 -0.013
CH2N2 diazirine 1.090 -0.013
C4H6O Cyclobutanone 1.100 -0.012
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 1.089 -0.012
C5H8 Cyclobutane, methylene- 1.101 -0.012
C3H6S Thietane 1.100 -0.012
CH2 Methylene 1.085 -0.011
CH3OH Methyl alcohol 1.096 -0.011
C2H4F2 1,2-difluoroethane 1.099 -0.011
C5H6 1-Buten-3-yne, 2-methyl- 1.091 -0.011
C4H8O2 1,3-Dioxane 1.095 -0.011
CH3CH2CHO Propanal 1.105 -0.011
C2H3Cl Ethene, chloro- 1.090 -0.011
CH3CH2CHO Propanal 1.115 -0.011
CH3CH2OH Ethanol 1.098 -0.011
CH3CHO Acetaldehyde 1.114 -0.011
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.010
CH2CS Thioketene 1.090 -0.010
C8H8 cubane 1.097 -0.010
CH2CHF Ethene, fluoro- 1.087 -0.010
C6H5CH2CH3 Ethylbenzene 1.094 -0.010
CH3OCHO methyl formate 1.101 -0.009
C3H6O 2-Propen-1-ol 1.091 -0.009
CH3NO3 Methyl nitrate 1.095 -0.009
CH3NHCH3 Dimethylamine 1.098 -0.009
C2H3Br vinyl bromide 1.088 -0.009
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.087 -0.009
C3H5ClO Oxirane, (chloromethyl)- 1.095 -0.009
CH2PH Phosphaethene 1.090 -0.009
CH2CHCHO Acrolein 1.113 -0.009
C3H6O 2-Propen-1-ol 1.092 -0.009
CH3CH(CH3)CH3 Isobutane 1.100 -0.008
CH3NC methyl isocyanide 1.094 -0.008
CH3SSCH3 Disulfide, dimethyl 1.097 -0.008
CH3CH2CHO Propanal 1.096 -0.008
CH2NOH formaldoxime 1.086 -0.008
C4H6 Methylenecyclopropane 1.090 -0.008
CH3CCH propyne 1.096 -0.008
CH3PH2 Methyl phosphine 1.094 -0.008
CH2PH Phosphaethene 1.090 -0.008
C3H6O 2-Propen-1-ol 1.102 -0.008
CH3ONO Methyl nitrite 1.090 -0.007
CH Methylidyne 1.120 -0.007
CHF3 Methane, trifluoro- 1.091 -0.007
CH3SiH3 methyl silane 1.096 -0.007
C2H5F fluoroethane 1.095 -0.007
CH2CO Ketene 1.083 -0.007
C4H6 Methylenecyclopropane 1.088 -0.007
CH2BrF Methane, bromofluoro- 1.090 -0.007
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.088 -0.007
C6H12 Cyclohexane 1.101 -0.007
CH3CHS Thioacetaldehyde 1.098 -0.007
C3H4N2 1H-Pyrazole 1.083 -0.007
CH2CHCHO Acrolein 1.089 -0.007
HFCO formyl fluoride 1.095 -0.007
C3H8O2 Propylene glycol 1.095 -0.007
CH3Cl Methyl chloride 1.090 -0.006
CH3SeCH3 dimethylselenide 1.093 -0.006
CH3CCl3 Ethane, 1,1,1-trichloro- 1.093 -0.006
CH2FCl fluorochloromethane 1.090 -0.006
CH3SCH2CH3 Ethane, (methylthio)- 1.097 -0.006
CH2CCH2 allene 1.087 -0.006
HCOOH Formic acid 1.097 -0.006
CH3NO nitrosomethane 1.094 -0.006
CH2CHCH2CH3 1-Butene 1.095 -0.006
C3H4N2 1H-Pyrazole 1.082 -0.006
CHF2Cl difluorochloromethane 1.090 -0.006
CH2O2 Dioxirane 1.090 -0.006
H2NCH2COOH Glycine 1.096 -0.006
CH3CHFCH3 2-Fluoropropane 1.093 -0.006
C2H4 Ethylene 1.086 -0.006
CH3CHFCH3 2-Fluoropropane 1.094 -0.006
HOCH2COOH Hydroxyacetic acid 1.097 -0.006
C6H10 cyclohexene 1.090 -0.006
CH3CHCl2 Ethane, 1,1-dichloro- 1.090 -0.005
C4H6O Furan, 2,5-dihydro- 1.100 -0.005
C3H7SH 1-Propanethiol 1.094 -0.005
CH2CHOH ethenol 1.086 -0.005
C4H5N (E)-2-Butenenitrile 1.090 -0.005
CH3OC2H5 Ethane, methoxy- 1.099 -0.005
CH3OCH3 Dimethyl ether 1.099 -0.005
CH(CN)3 tricyanomethane 1.100 -0.005
C3H3N acrylonitrile 1.086 -0.005
C6H8 1,4-Cyclohexadiene 1.100 -0.005
C4H6S Thiophene, 2,5-dihydro- 1.095 -0.005
C2H2ClF 1-chloro-1-fluoroethylene 1.082 -0.005
C6H10 cyclohexene 1.100 -0.005
CH3OC2H5 Ethane, methoxy- 1.092 -0.005
CH3 Methyl radical 1.079 -0.005
CHFClBr fluorochlorobromomethane 1.088 -0.005
CH3SOCH3 Dimethyl sulfoxide 1.093 -0.005
C3H8 Propane 1.096 -0.005
C4H10O Propane, 2-methoxy- 1.095 -0.004
C5H8 Bicyclo[2.1.0]pentane 1.085 -0.004
C3H4N2 1H-Pyrazole 1.080 -0.004
C2H6O2S Dimethyl sulfone 1.091 -0.004
C5H8 Cyclopentene 1.095 -0.004
CH3SCH3 Dimethyl sulfide 1.091 -0.004
C3H4O Cyclopropanone 1.086 -0.004
C3H8 Propane 1.094 -0.004
C2H3 vinyl 1.080 -0.004
CH3CHS Thioacetaldehyde 1.090 -0.004
C4H6 Cyclobutene 1.094 -0.004
CH2CHCH2CH3 1-Butene 1.090 -0.004
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.095 -0.004
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.004
CH3SCH2CH3 Ethane, (methylthio)- 1.092 -0.004
CH3NO3 Methyl nitrate 1.088 -0.004
C4H10O Ethoxy ethane 1.100 -0.004
C5H10 Cyclopropane, 1,1-dimethyl- 1.095 -0.004
C2H5N Aziridine 1.083 -0.004
C4H10O Propane, 2-methoxy- 1.095 -0.003
C3H6 Cyclopropane 1.083 -0.003
CH3OC2H5 Ethane, methoxy- 1.100 -0.003
CH3OCHO methyl formate 1.086 -0.003
C4H8 cyclobutane 1.093 -0.003
C5H8 Cyclopentene 1.085 -0.003
CH3NO nitrosomethane 1.092 -0.003
C2H4F2 1,2-difluoroethane 1.093 -0.003
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.092 -0.003
C5H4O2 4-Cyclopentene-1,3-dione 1.093 -0.003
C2H5F fluoroethane 1.090 -0.003
CHOCHCHCH3 2-Butenal 1.108 -0.003
CH2CHF Ethene, fluoro- 1.082 -0.003
C4H6S Thiophene, 2,5-dihydro- 1.085 -0.003
C2H2F2 Ethene, 1,2-difluoro-, (E)- 1.080 -0.003
C4H10O Ethoxy ethane 1.092 -0.003
C3H6O 2-Propen-1-ol 1.096 -0.003
CH3NO2 Methane, nitro- 1.088 -0.003
C4H10O Ethoxy ethane 1.090 -0.003
C2H5Br Ethyl bromide 1.093 -0.002
C3H4 cyclopropene 1.088 -0.002
C2H6 Ethane 1.091 -0.002
C2H5N Aziridine 1.084 -0.002
CHOCHCHCH3 2-Butenal 1.090 -0.002
C5H10 2-Pentene, (Z)- 1.092 -0.002
CH2Cl2 Methylene chloride 1.085 -0.002
C2H4S Thiirane 1.083 -0.002
CH3CHClCH3 Propane, 2-chloro- 1.091 -0.002
CH3CH2Cl Ethyl chloride 1.089 -0.002
C3H6O Propylene oxide 1.090 -0.002
C4H5N (E)-2-Butenenitrile 1.090 -0.002
C4H8 cyclobutane 1.091 -0.002
C2H4O Ethylene oxide 1.084 -0.002
CH2CHCHO Acrolein 1.084 -0.002
CHClCCl2 Trichloroethylene 1.080 -0.002
C5H6 1-Buten-3-yne, 2-methyl- 1.090 -0.002
CH3CH(CH3)CH3 Isobutane 1.092 -0.002
CH3SeH Methane selenol 1.088 -0.002
CH2CHOH ethenol 1.079 -0.002
CH4 Methane 1.087 -0.002
C5H6 1-Buten-3-yne, 2-methyl- 1.065 -0.002
CH3CHClCH3 Propane, 2-chloro- 1.092 -0.002
CH3SCH2CH3 Ethane, (methylthio)- 1.090 -0.002
C6H6 Benzene 1.084 -0.002
H2CS Thioformaldehyde 1.087 -0.002
CH2NN diazomethane 1.075 -0.002
C4H4S Thiophene 1.079 -0.001
CH3F Methyl fluoride 1.087 -0.001
C2H6O2 1,2-Ethanediol 1.093 -0.001
C2H5F fluoroethane 1.091 -0.001
C4H6 Cyclobutene 1.083 -0.001
C2H5Br Ethyl bromide 1.087 -0.001
C6H12 Cyclohexane 1.093 -0.001
H2CCCCH2 Butatriene 1.083 -0.001
CH2CHCHO Acrolein 1.081 -0.001
C5H8O Cyclopentanone 1.095 -0.001
CH2NOH formaldoxime 1.085 -0.001
C6H5F Fluorobenzene 1.083 -0.001
CH3CHFCH3 2-Fluoropropane 1.092 -0.001
CH3CH2SH ethanethiol 1.091 -0.001
C2H3Br vinyl bromide 1.080 -0.001
C3H7SH 1-Propanethiol 1.092 -0.001
CH3SCH2CH3 Ethane, (methylthio)- 1.089 -0.001
C3H7SH 1-Propanethiol 1.090 -0.001
C4H4N2 Pyrazine 1.083 -0.001
C3H3NO Oxazole 1.075 -0.001
CHOCHCHCH3 2-Butenal 1.084 -0.001
C6H6 Benzvalene 1.082 -0.001
C3H3NO Oxazole 1.075 -0.001
CH3CH2Cl Ethyl chloride 1.090 -0.001
CH3OC2H5 Ethane, methoxy- 1.086 -0.001
CH3COF Acetyl fluoride 1.084 -0.000
C6H5CN phenyl cyanide 1.082 -0.000
C4H10O Propane, 2-methoxy- 1.090 -0.000
C6H5F Fluorobenzene 1.081 -0.000
CH3CHO Acetaldehyde 1.086 -0.000
C6H6 Benzvalene 1.078 -0.000
C2H2 Acetylene 1.063 -0.000
C5H6 1-Buten-3-yne, 2-methyl- 1.081 -0.000
C3H3NO Oxazole 1.073 -0.000
C10H8 Azulene 1.084 -0.000
SiH2(CH3)2 dimethylsilane 1.089 -0.000
CH3CH2Cl Ethyl chloride 1.086 -0.000
C2H3Cl Ethene, chloro- 1.079 0.000
C6H6 Fulvene 1.080 0.000
C3H8 Propane 1.089 0.000
CHF2CHF2 1,1,2,2-tetrafluoroethane 1.087 0.000
C6H5Cl chlorobenzene 1.082 0.000
C2H3Br vinyl bromide 1.080 0.000
CH3OC2H5 Ethane, methoxy- 1.089 0.000
CH3OCH3 Dimethyl ether 1.085 0.000
CH3NHCH3 Dimethylamine 1.098 0.000
CH3Br methyl bromide 1.082 0.000
CH3CHS Thioacetaldehyde 1.089 0.000
C4H5N Pyrrole 1.076 0.000
C6H6 Benzvalene 1.078 0.001
C6H5Cl chlorobenzene 1.081 0.001
HCS+ Thioformyl cation 1.079 0.001
C6H10O cyclohexanone 1.088 0.001
C2H2+ acetylene cation 1.077 0.001
CH2CHF Ethene, fluoro- 1.077 0.001
CH3S thiomethoxy 1.090 0.001
C10H8 Azulene 1.080 0.001
CH3CHSHCH3 2-Propanethiol 1.091 0.001
CHOCHCHCH3 2-Butenal 1.086 0.001
C10H8 Azulene 1.081 0.001
CH2F2 Methane, difluoro- 1.084 0.001
C2H5CN ethyl cyanide 1.087 0.001
CH3CH2OH Ethanol 1.088 0.001
CH3NH2 methyl amine 1.093 0.001
C10H16 adamantane 1.093 0.001
C2H3 vinyl 1.085 0.001
CH3CHFCH3 2-Fluoropropane 1.088 0.001
C5H10 Cyclopropane, 1,1-dimethyl- 1.080 0.001
C6H6 Fulvene 1.078 0.001
C6H5F Fluorobenzene 1.080 0.001
C6H5CN phenyl cyanide 1.080 0.001
HCN Hydrogen cyanide 1.064 0.002
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.091 0.002
C4H4Se selenophene 1.079 0.002
C3H4 cyclopropene 1.072 0.002
CH3SCH2CH3 Ethane, (methylthio)- 1.087 0.002
HCCCN Cyanoacetylene 1.062 0.002
C3H6O 2-Propen-1-ol 1.078 0.002
C2H5CN ethyl cyanide 1.088 0.002
C4H5N (E)-2-Butenenitrile 1.081 0.002
C6H5Cl chlorobenzene 1.079 0.002
C6H5CN phenyl cyanide 1.080 0.002
C5H10 2-Pentene, (E)- 1.082 0.002
CH3CH2O Ethoxy radical 1.085 0.003
CH3CCH propyne 1.060 0.003
CH3OCl methyl hypochlorite 1.086 0.003
CH3CHNOH Acetaldoxime 1.085 0.003
CH2NH Methanimine 1.081 0.003
CH2Br2 dibromomethane 1.079 0.003
CH3CH2O Ethoxy radical 1.086 0.003
C10H8 Azulene 1.081 0.004
CH3NHCH3 Dimethylamine 1.084 0.004
C3H6O Propylene oxide 1.082 0.004
CHClCHCl Ethene, 1,2-dichloro-, (E)- 1.075 0.004
HCP Phosphaethyne 1.067 0.004
CH3CF3 Ethane, 1,1,1-trifluoro- 1.081 0.004
C10H8 Azulene 1.083 0.004
GeH3CH3 methyl germane 1.083 0.005
CH3CHF2 Ethane, 1,1-difluoro- 1.081 0.005
C4H2 Diacetylene 1.058 0.006
C5H8 1,3-Butadiene, 2-methyl- 1.076 0.006
C3H7N Cyclopropylamine 1.080 0.006
CH2NCH3 N-methylmethanimine 1.089 0.006
C8H8 cyclooctatetraene 1.079 0.007
HCCCl Chloroacetylene 1.055 0.007
HCCBr bromoacetylene 1.055 0.007
CH3CH2OH Ethanol 1.086 0.007
C4H4Se selenophene 1.070 0.008
HCCF Fluoroacetylene 1.053 0.008
CH2CCl2 Ethene, 1,1-dichloro- 1.070 0.008
C6H5CCH phenylacetylene 1.055 0.008
CH3CH2O Ethoxy radical 1.088 0.009
C6H5Br bromobenzene 1.072 0.009
C4H9N Pyrrolidine 1.090 0.010
CH3CCl(CH3)CH3 Propane, 2-chloro-2-methyl- 1.078 0.013
N(CH3)3 Trimethylamine 1.088 0.014
C3H5 Allyl radical 1.069 0.014
C2H Ethynyl radical 1.047 0.015
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.072 0.016
C5H10 2-Pentene, (Z)- 1.058 0.028
CH3SOCH3 Dimethyl sulfoxide 1.054 0.032
HCO Formyl radical 1.080 0.034
C4H10O Methyl propyl ether 1.099 0.319
C3H3NO Isoxazole 1.075 0.339
C4H6 1-Methylcyclopropene 1.070 0.438
C4H6 1-Methylcyclopropene 1.098 0.659
C4H6 1-Methylcyclopropene 1.098 0.674
C4H6 1-Methylcyclopropene 1.087 0.735
C4H6 1-Methylcyclopropene 1.087 2.327
C4H6 1-Methylcyclopropene 1.085 3.129