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Compare Bonds

18 10 26 16 45

MP2=FULL/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 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-0.050
Most positive difference C4H6 1-Methylcyclopropene3.126

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C3H8O2 1,3-Propanediol 1.140 -0.050
C6H6 Fulvene 1.130 -0.049
C5H8O Methyl cyclopropyl ketone 1.126 -0.041
CH3CONH2 Acetamide 1.124 -0.041
CHOCH(CH3)CH3 Propanal, 2-methyl- 1.127 -0.039
CH2SHCH2SH 1,2-Ethanedithiol 1.120 -0.032
C2H2O2 Ethanedial 1.132 -0.032
C4H6O2 2,3-Butanedione 1.114 -0.030
HCONHCH3 N-methylformamide 1.114 -0.029
CHBr3 bromoform 1.110 -0.028
C2H3CCH 1-Buten-3-yne 1.090 -0.028
CH2ClCHClCH3 Propane, 1,2-dichloro- 1.113 -0.028
C3H7NO dimethylformamide 1.112 -0.028
CH3CCCH3 2-Butyne 1.116 -0.028
C7H16 heptane 1.121 -0.028
CH2ClCH2Cl Ethane, 1,2-dichloro- 1.112 -0.027
C2H3CCH 1-Buten-3-yne 1.106 -0.027
C4H5N Cyclopropanecarbonitrile 1.107 -0.027
CH2ClCH2CH3 Propane, 1-chloro- 1.113 -0.026
Si(CH3)4 tetramethylsilane 1.115 -0.026
C2HF3 Trifluoroethylene 1.100 -0.026
CH3OCl methyl hypochlorite 1.111 -0.025
CH3CH2CH2CH3 Butane 1.117 -0.025
C5H12 Pentane 1.118 -0.024
C5H10 Cyclopentane 1.114 -0.024
C5H8 Spiropentane 1.105 -0.024
C5H12 Propane, 2,2-dimethyl- 1.114 -0.024
C5H6 Propellane 1.106 -0.024
C3H6S3 1,3,5-Trithiane 1.114 -0.023
C5H10S 2H-Thiopyran, tetrahydro- 1.114 -0.023
C5H8 1,3-Butadiene, 2-methyl- 1.110 -0.023
CH2ClCH2CH2CH3 Butane, 1-chloro- 1.110 -0.023
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.102 -0.023
CHClCHCl Ethene, 1,2-dichloro-, (Z)- 1.101 -0.022
CH3CHClCH2CH3 Butane, 2-chloro- 1.110 -0.022
C7H12 Norbornane 1.113 -0.022
C4H8O2 Ethyl acetate 1.105 -0.021
N(CH3)3 Trimethylamine 1.109 -0.021
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.098 -0.021
CH3COCl Acetyl Chloride 1.105 -0.020
C3H2N2 Malononitrile 1.109 -0.019
CH3SH Methanethiol 1.104 -0.019
CH3COCH3 Acetone 1.103 -0.018
CH3CN Acetonitrile 1.104 -0.018
C5H8 1,4-Pentadiene 1.110 -0.017
CH2CF2 Ethene, 1,1-difluoro- 1.091 -0.017
C2H8N2 Ethylenediamine 1.109 -0.017
CH3COOH Acetic acid 1.100 -0.017
CH3CH2NH2 Ethylamine 1.107 -0.017
CH2CHOH ethenol 1.097 -0.017
CH3O Methoxy radical 1.112 -0.017
CH3CH2CHO Propanal 1.103 -0.017
C5H8 Ethenylcyclopropane 1.099 -0.016
CH3CCl2CH3 Propane, 2,2-dichloro- 1.101 -0.016
C3H8O2 Methane, dimethoxy- 1.108 -0.015
CH3ONO Methyl nitrite 1.102 -0.015
CH3CH(CH3)CH3 Isobutane 1.108 -0.014
C12H8 biphenylene 1.096 -0.014
CH3CHNOH Acetaldoxime 1.100 -0.014
HCCl Chloromethylene 1.119 -0.013
CH2NH Methanimine 1.103 -0.013
CH2N2 diazirine 1.090 -0.013
C4H6O Cyclobutanone 1.100 -0.013
C5H8 Cyclobutane, methylene- 1.101 -0.012
C3H6S Thietane 1.100 -0.012
CH2 Methylene 1.085 -0.012
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 1.089 -0.012
C5H6 1-Buten-3-yne, 2-methyl- 1.091 -0.012
H2CO Formaldehyde 1.111 -0.012
CH3CH2CHO Propanal 1.105 -0.012
C2H3Cl Ethene, chloro- 1.090 -0.012
CH3CH2OH Ethanol 1.098 -0.011
CH2CS Thioketene 1.090 -0.011
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.011
CH2CHF Ethene, fluoro- 1.087 -0.011
CH3OH Methyl alcohol 1.096 -0.011
C8H8 cubane 1.097 -0.011
C6H5CH2CH3 Ethylbenzene 1.094 -0.010
C2H4F2 1,2-difluoroethane 1.099 -0.010
C4H8O2 1,3-Dioxane 1.095 -0.010
C3H6O 2-Propen-1-ol 1.091 -0.010
C2H3Br vinyl bromide 1.088 -0.010
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.087 -0.010
CH3CH2CHO Propanal 1.115 -0.010
CH2PH Phosphaethene 1.090 -0.010
CH3CH(CH3)CH3 Isobutane 1.100 -0.010
CH3NO3 Methyl nitrate 1.095 -0.009
C3H5ClO Oxirane, (chloromethyl)- 1.095 -0.009
C3H6O 2-Propen-1-ol 1.092 -0.009
CH3CHO Acetaldehyde 1.114 -0.009
CH3SSCH3 Disulfide, dimethyl 1.097 -0.009
CH3CH2CHO Propanal 1.096 -0.009
CH3NHCH3 Dimethylamine 1.098 -0.009
CH3PH2 Methyl phosphine 1.094 -0.009
CH2PH Phosphaethene 1.090 -0.008
C4H6 Methylenecyclopropane 1.090 -0.008
CH3NC methyl isocyanide 1.094 -0.008
CH3CCH propyne 1.096 -0.008
CH3OCHO methyl formate 1.101 -0.008
CH2NOH formaldoxime 1.086 -0.008
CH3SiH3 methyl silane 1.096 -0.008
CH2CO Ketene 1.083 -0.008
CH3ONO Methyl nitrite 1.090 -0.008
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.088 -0.007
CH3CHS Thioacetaldehyde 1.098 -0.007
C4H6 Methylenecyclopropane 1.088 -0.007
CH3SeCH3 dimethylselenide 1.093 -0.007
CH3CCl3 Ethane, 1,1,1-trichloro- 1.093 -0.007
CH2CHCHO Acrolein 1.089 -0.007
CH3NO nitrosomethane 1.094 -0.007
CH2CHCH2CH3 1-Butene 1.095 -0.007
CH3SCH2CH3 Ethane, (methylthio)- 1.097 -0.007
C3H4N2 1H-Pyrazole 1.083 -0.007
CH2CHCHO Acrolein 1.113 -0.007
C3H4N2 1H-Pyrazole 1.082 -0.007
CH3Cl Methyl chloride 1.090 -0.007
CH2CCH2 allene 1.087 -0.007
C3H8O2 Propylene glycol 1.095 -0.007
C2H4 Ethylene 1.086 -0.006
C6H10 cyclohexene 1.090 -0.006
CH2BrF Methane, bromofluoro- 1.090 -0.006
CH3CHFCH3 2-Fluoropropane 1.093 -0.006
CH3CHFCH3 2-Fluoropropane 1.094 -0.006
C4H5N (E)-2-Butenenitrile 1.090 -0.006
C3H7SH 1-Propanethiol 1.094 -0.006
CH3CHCl2 Ethane, 1,1-dichloro- 1.090 -0.006
H2NCH2COOH Glycine 1.096 -0.006
C3H6O 2-Propen-1-ol 1.102 -0.006
CH2CHOH ethenol 1.086 -0.006
CHF3 Methane, trifluoro- 1.091 -0.006
CH3 Methyl radical 1.079 -0.006
C4H6O Furan, 2,5-dihydro- 1.100 -0.006
CH(CN)3 tricyanomethane 1.100 -0.006
HFCO formyl fluoride 1.095 -0.006
C3H3N acrylonitrile 1.086 -0.005
C2H2ClF 1-chloro-1-fluoroethylene 1.082 -0.005
C6H10 cyclohexene 1.100 -0.005
CH3OC2H5 Ethane, methoxy- 1.092 -0.005
C2H5F fluoroethane 1.095 -0.005
CH3SOCH3 Dimethyl sulfoxide 1.093 -0.005
C3H4N2 1H-Pyrazole 1.080 -0.005
CH2FCl fluorochloromethane 1.090 -0.005
CHF2Cl difluorochloromethane 1.090 -0.005
C5H8 Cyclopentene 1.095 -0.005
C3H8 Propane 1.096 -0.005
C5H8 Bicyclo[2.1.0]pentane 1.085 -0.005
C4H6S Thiophene, 2,5-dihydro- 1.095 -0.005
HCOOH Formic acid 1.097 -0.005
CH2O2 Dioxirane 1.090 -0.005
C2H6O2S Dimethyl sulfone 1.091 -0.005
C3H8 Propane 1.094 -0.005
CH3OC2H5 Ethane, methoxy- 1.099 -0.005
C6H8 1,4-Cyclohexadiene 1.100 -0.005
CH3SCH3 Dimethyl sulfide 1.091 -0.005
CH3OCH3 Dimethyl ether 1.099 -0.005
C3H4O Cyclopropanone 1.086 -0.005
CHFClBr fluorochlorobromomethane 1.088 -0.005
C5H10 Cyclopropane, 1,1-dimethyl- 1.095 -0.005
CH2CHCH2CH3 1-Butene 1.090 -0.005
CH3SCH2CH3 Ethane, (methylthio)- 1.092 -0.005
CH3CHS Thioacetaldehyde 1.090 -0.005
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.004
HOCH2COOH Hydroxyacetic acid 1.097 -0.004
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.095 -0.004
C4H6 Cyclobutene 1.094 -0.004
C2H3 vinyl 1.080 -0.004
C5H8 Cyclopentene 1.085 -0.004
C4H8 cyclobutane 1.093 -0.004
C4H10O Propane, 2-methoxy- 1.095 -0.004
C3H6 Cyclopropane 1.083 -0.004
CH3NO3 Methyl nitrate 1.088 -0.004
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.092 -0.004
CH3NO nitrosomethane 1.092 -0.004
C4H10O Ethoxy ethane 1.092 -0.004
C5H4O2 4-Cyclopentene-1,3-dione 1.093 -0.004
CH Methylidyne 1.120 -0.004
C2H5F fluoroethane 1.090 -0.004
C4H6S Thiophene, 2,5-dihydro- 1.085 -0.004
CH3OCHO methyl formate 1.086 -0.003
C4H10O Ethoxy ethane 1.090 -0.003
C4H10O Propane, 2-methoxy- 1.095 -0.003
C2H5Br Ethyl bromide 1.093 -0.003
C2H5N Aziridine 1.083 -0.003
C4H10O Ethoxy ethane 1.100 -0.003
C5H6 1-Buten-3-yne, 2-methyl- 1.065 -0.003
C2H6 Ethane 1.091 -0.003
CH3SeH Methane selenol 1.088 -0.003
C5H10 2-Pentene, (Z)- 1.092 -0.003
CH3NO2 Methane, nitro- 1.088 -0.003
CH3CH2Cl Ethyl chloride 1.089 -0.003
CHOCHCHCH3 2-Butenal 1.090 -0.003
CH3OC2H5 Ethane, methoxy- 1.100 -0.003
CH2CHOH ethenol 1.079 -0.003
C4H8 cyclobutane 1.091 -0.003
C3H6O Propylene oxide 1.090 -0.003
CH3CHClCH3 Propane, 2-chloro- 1.091 -0.003
CH3CH(CH3)CH3 Isobutane 1.092 -0.003
C2H5F fluoroethane 1.091 -0.003
C2H4S Thiirane 1.083 -0.003
CH3CHClCH3 Propane, 2-chloro- 1.092 -0.003
CH2CHCHO Acrolein 1.084 -0.003
CH4 Methane 1.087 -0.003
C2H5N Aziridine 1.084 -0.003
C4H5N (E)-2-Butenenitrile 1.090 -0.003
C2H2F2 Ethene, 1,2-difluoro-, (E)- 1.080 -0.003
C5H6 1-Buten-3-yne, 2-methyl- 1.090 -0.003
CHClCCl2 Trichloroethylene 1.080 -0.003
CH2NN diazomethane 1.075 -0.003
CH2Cl2 Methylene chloride 1.085 -0.003
CH3SCH2CH3 Ethane, (methylthio)- 1.090 -0.003
C4H4S Thiophene 1.079 -0.002
CH2CHF Ethene, fluoro- 1.082 -0.002
C2H4F2 1,2-difluoroethane 1.093 -0.002
C6H6 Benzene 1.084 -0.002
C3H4 cyclopropene 1.088 -0.002
C4H6 Cyclobutene 1.083 -0.002
C5H8O Cyclopentanone 1.095 -0.002
C2H5Br Ethyl bromide 1.087 -0.002
H2CS Thioformaldehyde 1.087 -0.002
CH2CHCHO Acrolein 1.081 -0.002
CH2NOH formaldoxime 1.085 -0.002
CH3CH2SH ethanethiol 1.091 -0.002
C2H3Br vinyl bromide 1.080 -0.002
C6H5F Fluorobenzene 1.083 -0.002
H2CCCCH2 Butatriene 1.083 -0.002
CH3CH2Cl Ethyl chloride 1.090 -0.002
C2H4O Ethylene oxide 1.084 -0.002
C3H7SH 1-Propanethiol 1.092 -0.002
CH3SCH2CH3 Ethane, (methylthio)- 1.089 -0.002
CHOCHCHCH3 2-Butenal 1.108 -0.001
CHOCHCHCH3 2-Butenal 1.084 -0.001
C2H2 Acetylene 1.063 -0.001
C4H10O Propane, 2-methoxy- 1.090 -0.001
C3H7SH 1-Propanethiol 1.090 -0.001
CH3COF Acetyl fluoride 1.084 -0.001
C3H3NO Oxazole 1.075 -0.001
C6H6 Benzvalene 1.078 -0.001
C6H6 Benzvalene 1.082 -0.001
SiH2(CH3)2 dimethylsilane 1.089 -0.001
C3H6O 2-Propen-1-ol 1.096 -0.001
CH3CHO Acetaldehyde 1.086 -0.001
C6H5CN phenyl cyanide 1.082 -0.001
CH3OC2H5 Ethane, methoxy- 1.089 -0.001
C6H5F Fluorobenzene 1.081 -0.001
C2H3Cl Ethene, chloro- 1.079 -0.001
C3H3NO Oxazole 1.073 -0.001
C3H3NO Oxazole 1.075 -0.001
C5H6 1-Buten-3-yne, 2-methyl- 1.081 -0.001
C3H8 Propane 1.089 -0.001
C4H4N2 Pyrazine 1.083 -0.001
C4H5N Pyrrole 1.076 -0.001
C6H6 Fulvene 1.080 -0.001
C10H8 Azulene 1.084 -0.001
C6H5Cl chlorobenzene 1.082 -0.001
CH3OC2H5 Ethane, methoxy- 1.086 -0.000
C2H3Br vinyl bromide 1.080 -0.000
CH3CH2Cl Ethyl chloride 1.086 -0.000
C6H6 Benzvalene 1.078 -0.000
CH3Br methyl bromide 1.082 -0.000
C2H6O2 1,2-Ethanediol 1.093 -0.000
HCN Hydrogen cyanide 1.064 -0.000
CH3CHFCH3 2-Fluoropropane 1.088 0.000
C10H8 Azulene 1.080 0.000
C6H5Cl chlorobenzene 1.081 0.000
CH3CH2OH Ethanol 1.088 0.000
CH2CHF Ethene, fluoro- 1.077 0.000
CH3S thiomethoxy 1.090 0.000
CH3CHFCH3 2-Fluoropropane 1.092 0.000
CH3NHCH3 Dimethylamine 1.098 0.000
C6H10O cyclohexanone 1.088 0.000
C2H5CN ethyl cyanide 1.087 0.000
CH3CHS Thioacetaldehyde 1.089 0.000
CH3F Methyl fluoride 1.087 0.000
CH3CHSHCH3 2-Propanethiol 1.091 0.000
C2H3 vinyl 1.085 0.000
C10H16 adamantane 1.093 0.000
CHOCHCHCH3 2-Butenal 1.086 0.000
CH3OCH3 Dimethyl ether 1.085 0.000
C5H10 Cyclopropane, 1,1-dimethyl- 1.080 0.000
C10H8 Azulene 1.081 0.000
C2H2+ acetylene cation 1.077 0.001
C6H6 Fulvene 1.078 0.001
HCS+ Thioformyl cation 1.079 0.001
HCCCN Cyanoacetylene 1.062 0.001
C6H5CN phenyl cyanide 1.080 0.001
C6H5F Fluorobenzene 1.080 0.001
CH3SCH2CH3 Ethane, (methylthio)- 1.087 0.001
CHF2CHF2 1,1,2,2-tetrafluoroethane 1.087 0.001
C3H4 cyclopropene 1.072 0.001
C4H5N (E)-2-Butenenitrile 1.081 0.001
C4H4Se selenophene 1.079 0.001
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.091 0.001
CH3CCH propyne 1.060 0.001
C3H6O 2-Propen-1-ol 1.078 0.001
C5H10 2-Pentene, (E)- 1.082 0.001
C6H5Cl chlorobenzene 1.079 0.002
C5H6 Cyclopropylacetylene 1.080 0.002
C6H5CN phenyl cyanide 1.080 0.002
C2H5CN ethyl cyanide 1.088 0.002
CH3NH2 methyl amine 1.093 0.002
CH3CH2O Ethoxy radical 1.085 0.002
CH3CHNOH Acetaldoxime 1.085 0.002
CH2Br2 dibromomethane 1.079 0.002
CH3CH2O Ethoxy radical 1.086 0.002
CH3OCl methyl hypochlorite 1.086 0.003
C10H8 Azulene 1.081 0.003
CH2F2 Methane, difluoro- 1.084 0.003
CHClCHCl Ethene, 1,2-dichloro-, (E)- 1.075 0.003
GeH3CH3 methyl germane 1.083 0.003
HCP Phosphaethyne 1.067 0.003
CH3NHCH3 Dimethylamine 1.084 0.003
CH3CF3 Ethane, 1,1,1-trifluoro- 1.081 0.004
CH2NH Methanimine 1.081 0.004
C10H8 Azulene 1.083 0.004
C3H6O Propylene oxide 1.082 0.004
C4H2 Diacetylene 1.058 0.004
CH3CHF2 Ethane, 1,1-difluoro- 1.081 0.005
C5H8 1,3-Butadiene, 2-methyl- 1.076 0.005
HCCBr bromoacetylene 1.055 0.006
HCCCl Chloroacetylene 1.055 0.006
CH2NCH3 N-methylmethanimine 1.089 0.006
C8H8 cyclooctatetraene 1.079 0.006
HCCF Fluoroacetylene 1.053 0.006
C5H6 Cyclopropylacetylene 1.055 0.006
C4H4Se selenophene 1.070 0.007
C6H5CCH phenylacetylene 1.055 0.007
C3H7N Cyclopropylamine 1.080 0.007
CH2CCl2 Ethene, 1,1-dichloro- 1.070 0.007
C6H5Br bromobenzene 1.072 0.008
CH3CH2O Ethoxy radical 1.088 0.008
CH3CH2OH Ethanol 1.086 0.008
C4H9N Pyrrolidine 1.090 0.010
CHONH2 formamide 1.090 0.010
CH3CCl(CH3)CH3 Propane, 2-chloro-2-methyl- 1.078 0.012
N(CH3)3 Trimethylamine 1.088 0.013
C2H Ethynyl radical 1.047 0.013
C3H5 Allyl radical 1.069 0.014
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.072 0.015
C5H10 2-Pentene, (Z)- 1.058 0.028
CH3SOCH3 Dimethyl sulfoxide 1.054 0.032
HCO Formyl radical 1.080 0.037
C4H10O Methyl propyl ether 1.099 0.314
C3H3NO Isoxazole 1.075 0.337
C4H6 1-Methylcyclopropene 1.070 0.435
C4H6 1-Methylcyclopropene 1.098 0.657
C4H6 1-Methylcyclopropene 1.098 0.672
C4H6 1-Methylcyclopropene 1.087 0.730
C4H6 1-Methylcyclopropene 1.087 2.325
C4H6 1-Methylcyclopropene 1.085 3.126