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Compare Bonds

18 10 26 16 45

HF/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
-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-0.058
Most positive difference C4H6 1-Methylcyclopropene3.078

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C3H8O2 1,3-Propanediol 1.140 -0.058
C6H6 Fulvene 1.130 -0.057
C3H5Cl3 Propane, 1,2,3-trichloro- 1.131 -0.055
C2H2O2 Ethanedial 1.132 -0.051
C5H8O Methyl cyclopropyl ketone 1.126 -0.046
CH3CONH2 Acetamide 1.124 -0.046
CHOCH(CH3)CH3 Propanal, 2-methyl- 1.127 -0.043
C2H6N2O2 Dimethylnitroamine 1.121 -0.041
CH2SHCH2SH 1,2-Ethanedithiol 1.120 -0.040
CHBr3 bromoform 1.110 -0.040
C2H3CCH 1-Buten-3-yne 1.090 -0.039
C2HF3 Trifluoroethylene 1.100 -0.038
CH2ClCHClCH3 Propane, 1,2-dichloro- 1.113 -0.038
CH2ClCH2Cl Ethane, 1,2-dichloro- 1.112 -0.036
C4H5N Cyclopropanecarbonitrile 1.107 -0.036
CH2ClCH2CH3 Propane, 1-chloro- 1.113 -0.035
C5H6 Propellane 1.106 -0.034
C7H16 heptane 1.121 -0.034
C4H6O2 2,3-Butanedione 1.114 -0.034
HCONHCH3 N-methylformamide 1.114 -0.034
C3H7NO dimethylformamide 1.112 -0.034
C2H3CCH 1-Buten-3-yne 1.106 -0.034
C6H14 Hexane 1.118 -0.033
CH2ClCH2CH2CH3 Butane, 1-chloro- 1.110 -0.033
CHClCHCl Ethene, 1,2-dichloro-, (Z)- 1.101 -0.032
C5H8 Spiropentane 1.105 -0.032
C3H6S3 1,3,5-Trithiane 1.114 -0.032
CH3OCl methyl hypochlorite 1.111 -0.032
CH3CCCH3 2-Butyne 1.116 -0.032
C5H12 Pentane 1.118 -0.031
CH3CH2CH2CH3 Butane 1.117 -0.031
C5H10O 2-Butanone, 3-methyl- 1.113 -0.031
C5H10 Cyclopentane 1.114 -0.031
C5H12O Butane, 1-methoxy- 1.115 -0.031
C4H10O2 Ethane, 1,2-dimethoxy- 1.109 -0.030
C7H12 Norbornane 1.113 -0.030
C6H12 (E)-3-methylpent-2-ene 1.116 -0.029
C5H10S 2H-Thiopyran, tetrahydro- 1.114 -0.029
C5H10O 2H-Pyran, tetrahydro- 1.116 -0.029
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.102 -0.029
C6H8 (Z)-hexa-1,3,5-triene 1.104 -0.029
C5H12 Propane, 2,2-dimethyl- 1.114 -0.029
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.098 -0.028
C5H8 1,3-Butadiene, 2-methyl- 1.110 -0.028
H2CO Formaldehyde 1.111 -0.028
CH3CH2CHO Propanal 1.115 -0.028
CH2CHOH ethenol 1.097 -0.028
CH3CHO Acetaldehyde 1.114 -0.028
C3H8O2 Methane, dimethoxy- 1.108 -0.027
CH3CHClCH2CH3 Butane, 2-chloro- 1.110 -0.027
C4H8O2 Ethyl acetate 1.105 -0.027
CH3O Methoxy radical 1.112 -0.027
Si(CH3)4 tetramethylsilane 1.115 -0.027
C5H8 Ethenylcyclopropane 1.099 -0.026
N(CH3)3 Trimethylamine 1.109 -0.026
C6H5NO2 Nitrobenzene 1.093 -0.026
CH2N2 diazirine 1.090 -0.026
CH2CHCHO Acrolein 1.099 -0.026
CH3OCHO methyl formate 1.101 -0.025
C12H8 biphenylene 1.096 -0.025
CHF3 Methane, trifluoro- 1.091 -0.025
C2H8N2 Ethylenediamine 1.109 -0.025
CH3COCl Acetyl Chloride 1.105 -0.025
C3H2N2 Malononitrile 1.109 -0.025
CH3CH2NH2 Ethylamine 1.107 -0.024
CH2CF2 Ethene, 1,1-difluoro- 1.091 -0.024
C5H8 1,4-Pentadiene 1.110 -0.024
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 1.089 -0.024
HFCO formyl fluoride 1.095 -0.024
CH3ONO Methyl nitrite 1.102 -0.024
CHF2Cl difluorochloromethane 1.090 -0.023
C8H8 cubane 1.097 -0.023
HCOOH Formic acid 1.097 -0.023
CH3COCH3 Acetone 1.103 -0.023
CH3SH Methanethiol 1.104 -0.023
CH2NH Methanimine 1.103 -0.022
CH3CH(CH3)CH3 Isobutane 1.108 -0.022
HCCl Chloromethylene 1.119 -0.022
CH2O2 Dioxirane 1.090 -0.022
CH3COOH Acetic acid 1.100 -0.022
C2H3Cl Ethene, chloro- 1.090 -0.022
C4H8O2 1,3-Dioxane 1.095 -0.022
CH2CHCHO Acrolein 1.106 -0.021
C3H6S Thietane 1.100 -0.021
CH3CN Acetonitrile 1.104 -0.021
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.021
CH3CH2CHO Propanal 1.103 -0.021
C4H6O Cyclobutanone 1.100 -0.021
C6H5CH2CH3 Ethylbenzene 1.094 -0.021
CH3CCl2CH3 Propane, 2,2-dichloro- 1.101 -0.021
C5H8O 2H-Pyran, 3,4-dihydro- 1.090 -0.021
C5H6S Thiophene, 3-methyl- 1.090 -0.020
C5H11N Piperidine 1.105 -0.020
C4H8O2 1,3-Dioxolane, 2-methyl- 1.102 -0.020
C5H8 Cyclobutane, methylene- 1.101 -0.020
CH3NO3 Methyl nitrate 1.095 -0.020
CHOCHCHCH3 2-Butenal 1.108 -0.019
CHFClBr fluorochlorobromomethane 1.088 -0.019
C5H6 1-Buten-3-yne, 2-methyl- 1.091 -0.019
C3H5ClO Oxirane, (chloromethyl)- 1.095 -0.019
C3H4N2 1H-Pyrazole 1.083 -0.019
C3H6O 2-Propen-1-ol 1.092 -0.019
C4H4N2 1,3-Diazine 1.087 -0.018
CH2FCl fluorochloromethane 1.090 -0.018
CH3CH2CHO Propanal 1.105 -0.018
C4H6O Furan, 2,5-dihydro- 1.100 -0.018
CH2BrF Methane, bromofluoro- 1.090 -0.018
C3H4N2 1H-Pyrazole 1.082 -0.017
CH3CHCl2 Ethane, 1,1-dichloro- 1.090 -0.017
CH3OH Methyl alcohol 1.096 -0.017
CH2CHF Ethene, fluoro- 1.087 -0.017
C5H8 Bicyclo[2.1.0]pentane 1.085 -0.017
CH2CS Thioketene 1.090 -0.017
C2H3Br vinyl bromide 1.088 -0.017
C3H8O2 Propylene glycol 1.095 -0.017
C3H4N2 1H-Pyrazole 1.080 -0.017
C3H3NO Oxazole 1.075 -0.017
C2H4F2 1,2-difluoroethane 1.094 -0.017
C4H6 Methylenecyclopropane 1.090 -0.017
CHF2CHF2 1,1,2,2-tetrafluoroethane 1.087 -0.017
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.087 -0.016
C3H6O 2-Propen-1-ol 1.091 -0.016
C3H3NO Oxazole 1.075 -0.016
CH3CH2OH Ethanol 1.098 -0.016
CH2PH Phosphaethene 1.090 -0.016
CH2NOH formaldoxime 1.086 -0.016
C2H5F fluoroethane 1.095 -0.015
C6H6 Benzvalene 1.078 -0.015
C3H3NO Oxazole 1.073 -0.015
C2H2F2 Ethene, 1,2-difluoro-, (E)- 1.080 -0.015
HOCH2COOH Hydroxyacetic acid 1.097 -0.015
C3H6O 2-Propen-1-ol 1.102 -0.015
CH3NO nitrosomethane 1.094 -0.015
C4H4N2 1,3-Diazine 1.082 -0.015
C4H5N (E)-2-Butenenitrile 1.090 -0.015
C6H10 cyclohexene 1.090 -0.015
CH2CHCHO Acrolein 1.087 -0.015
C4H6 Cyclobutene 1.083 -0.015
C6H12 Cyclohexane 1.101 -0.015
CH3SCH2CH3 Ethane, (methylthio)- 1.097 -0.015
CH2CHF Ethene, fluoro- 1.082 -0.014
CH3NHCH3 Dimethylamine 1.098 -0.014
C5H6 1-Buten-3-yne, 2-methyl- 1.065 -0.014
C4H4N2 Pyrazine 1.083 -0.014
C4H10O Propane, 2-methoxy- 1.095 -0.014
CH3CH(CH3)CH3 Isobutane 1.100 -0.014
C4H4O Furan 1.076 -0.014
CH2 Methylene 1.085 -0.014
CH2PH Phosphaethene 1.090 -0.014
CH3ONO Methyl nitrite 1.090 -0.014
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.088 -0.014
C4H6 Methylenecyclopropane 1.088 -0.014
C3H3N acrylonitrile 1.086 -0.014
CH3SSCH3 Disulfide, dimethyl 1.097 -0.014
H2NCH2COOH Glycine 1.096 -0.014
C4H10O Ethoxy ethane 1.100 -0.014
CH3Cl Methyl chloride 1.090 -0.014
C5H8 Cyclopentene 1.085 -0.014
CH3OC2H5 Ethane, methoxy- 1.100 -0.014
C3H4 cyclopropene 1.072 -0.014
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.014
CH3CHClCH3 Propane, 2-chloro- 1.091 -0.014
HCN Hydrogen cyanide 1.064 -0.013
CH3NC methyl isocyanide 1.094 -0.013
C2H4O Ethylene oxide 1.084 -0.013
C2H5N Aziridine 1.083 -0.013
CH3CH2CHO Propanal 1.096 -0.013
CH2CO Ketene 1.083 -0.013
CH2CCH2 allene 1.087 -0.013
C4H6S Thiophene, 2,5-dihydro- 1.085 -0.013
C3H4 cyclopropene 1.088 -0.013
CH2CHCH2CH3 1-Butene 1.090 -0.013
C4H6 Cyclobutene 1.094 -0.013
CH2Cl2 Methylene chloride 1.085 -0.013
C4H6S Thiophene, 2,5-dihydro- 1.095 -0.013
CH3OC2H5 Ethane, methoxy- 1.099 -0.013
CH2NOH formaldoxime 1.085 -0.013
CH3OCH3 Dimethyl ether 1.099 -0.013
CH(CN)3 tricyanomethane 1.100 -0.013
C6H6 Benzvalene 1.082 -0.013
C3H4O Cyclopropanone 1.086 -0.013
C5H8 Cyclopentene 1.095 -0.013
CHClCCl2 Trichloroethylene 1.080 -0.013
C2H4 Ethylene 1.086 -0.012
CH3CCl3 Ethane, 1,1,1-trichloro- 1.093 -0.012
C6H10 cyclohexene 1.100 -0.012
C2H2ClF 1-chloro-1-fluoroethylene 1.082 -0.012
CH2CHOH ethenol 1.086 -0.012
C2H2 Acetylene 1.063 -0.012
CH3NO3 Methyl nitrate 1.088 -0.012
CH3CCH propyne 1.096 -0.012
C6H6 Benzene 1.084 -0.012
C4H8 cyclobutane 1.093 -0.012
C4H4S Thiophene 1.079 -0.012
CH3CHFCH3 2-Fluoropropane 1.092 -0.012
CH3COCH2CH3 2-Butanone 1.095 -0.012
C6H6 Fulvene 1.080 -0.012
C2H4S Thiirane 1.083 -0.012
C6H5F Fluorobenzene 1.083 -0.012
CH2CHCH2CH3 1-Butene 1.095 -0.012
C4H10O Propane, 2-methoxy- 1.095 -0.012
C6H8 1,4-Cyclohexadiene 1.100 -0.012
C10H8 Azulene 1.081 -0.011
CH3PH2 Methyl phosphine 1.094 -0.011
C3H6O 2-Propen-1-ol 1.096 -0.011
C2H3Br vinyl bromide 1.080 -0.011
C6H5F Fluorobenzene 1.081 -0.011
C6H5NH2 aniline 1.084 -0.011
CHOCHCHCH3 2-Butenal 1.084 -0.011
C3H6 Cyclopropane 1.083 -0.011
CH3SeCH3 dimethylselenide 1.093 -0.011
C10H8 Azulene 1.080 -0.011
C2H2+ acetylene cation 1.077 -0.011
CH3CHS Thioacetaldehyde 1.098 -0.011
C6H5CN phenyl cyanide 1.082 -0.011
C4H8 cyclobutane 1.091 -0.011
C2H5N Aziridine 1.084 -0.011
C3H8 Propane 1.096 -0.011
H2CS Thioformaldehyde 1.087 -0.011
CH3CHFCH3 2-Fluoropropane 1.094 -0.011
CH3COCH2CH3 2-Butanone 1.096 -0.011
CH2F2 Methane, difluoro- 1.084 -0.011
C2H3 vinyl 1.080 -0.011
CH3COCH2CH3 2-Butanone 1.093 -0.011
C4H5N Pyrrole 1.076 -0.011
C6H5OH phenol 1.084 -0.011
C6H5OH phenol 1.082 -0.011
C6H6 Benzvalene 1.078 -0.011
CH3COCH2CH3 2-Butanone 1.091 -0.011
CH3CHS Thioacetaldehyde 1.089 -0.011
HCS+ Thioformyl cation 1.079 -0.011
CH3SOCH3 Dimethyl sulfoxide 1.093 -0.010
CH3NO nitrosomethane 1.092 -0.010
CH3CHFCH3 2-Fluoropropane 1.093 -0.010
HCCCN Cyanoacetylene 1.062 -0.010
CH3OCHO methyl formate 1.086 -0.010
C2H6O2 1,2-Ethanediol 1.093 -0.010
C6H5Cl chlorobenzene 1.082 -0.010
CH3CHS Thioacetaldehyde 1.090 -0.010
C10H8 Azulene 1.084 -0.010
C5H4O2 4-Cyclopentene-1,3-dione 1.093 -0.010
C3H7SH 1-Propanethiol 1.094 -0.010
CH3OC2H5 Ethane, methoxy- 1.092 -0.010
C2H5Br Ethyl bromide 1.087 -0.010
C6H6 Fulvene 1.078 -0.010
CH3CCH propyne 1.060 -0.010
C3H6O Propylene oxide 1.082 -0.010
C6H5Cl chlorobenzene 1.081 -0.009
C6H5CN phenyl cyanide 1.080 -0.009
C4H4N2 Succinonitrile 1.092 -0.009
CH3CH2Cl Ethyl chloride 1.086 -0.009
C5H10 Cyclopropane, 1,1-dimethyl- 1.095 -0.009
CH2CHOH ethenol 1.079 -0.009
C3H8 Propane 1.094 -0.009
CH2CHCHO Acrolein 1.081 -0.009
CH3SCH3 Dimethyl sulfide 1.091 -0.009
H2CCCCH2 Butatriene 1.083 -0.009
C4H4N2 1,3-Diazine 1.079 -0.009
C3H7SH 1-Propanethiol 1.090 -0.009
CH3SiH3 methyl silane 1.096 -0.009
CH3SCH2CH3 Ethane, (methylthio)- 1.092 -0.009
C6H5F Fluorobenzene 1.080 -0.009
C6H5Cl chlorobenzene 1.079 -0.009
C4H4Se selenophene 1.079 -0.009
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.095 -0.009
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.092 -0.009
CH2NN diazomethane 1.075 -0.008
CH3NO2 Methane, nitro- 1.088 -0.008
C5H8O Cyclopentanone 1.095 -0.008
C4H10O Ethoxy ethane 1.092 -0.008
C2H5F fluoroethane 1.091 -0.008
C6H12 Cyclohexane 1.093 -0.008
C6H5CN phenyl cyanide 1.080 -0.008
C5H6 1-Buten-3-yne, 2-methyl- 1.081 -0.008
C2H6O2S Dimethyl sulfone 1.091 -0.008
CH3SCH2CH3 Ethane, (methylthio)- 1.090 -0.008
C3H7SH 1-Propanethiol 1.092 -0.008
CHOCHCHCH3 2-Butenal 1.086 -0.008
C4H10O Ethoxy ethane 1.090 -0.008
C5H6 Cyclopropylacetylene 1.080 -0.008
CHOCHCHCH3 2-Butenal 1.090 -0.008
C10H16 adamantane 1.093 -0.008
CH3CHSHCH3 2-Propanethiol 1.091 -0.008
HCP Phosphaethyne 1.067 -0.008
C4H5N (E)-2-Butenenitrile 1.081 -0.008
C4H5N (E)-2-Butenenitrile 1.090 -0.008
C2H5F fluoroethane 1.090 -0.008
CH3CH2Cl Ethyl chloride 1.089 -0.008
C5H6 1-Buten-3-yne, 2-methyl- 1.090 -0.008
C2H5Br Ethyl bromide 1.093 -0.008
C2H3Cl Ethene, chloro- 1.079 -0.008
C3H6O Propylene oxide 1.090 -0.008
CH3F Methyl fluoride 1.087 -0.007
C5H10 2-Pentene, (Z)- 1.092 -0.007
CHClCHCl Ethene, 1,2-dichloro-, (E)- 1.075 -0.007
C5H10 2-Pentene, (E)- 1.082 -0.007
CH3 Methyl radical 1.079 -0.007
CH3I methyl iodide 1.084 -0.007
C5H10 Cyclopropane, 1,1-dimethyl- 1.080 -0.007
CH3CH(CH3)CH3 Isobutane 1.092 -0.007
CH3SCH2CH3 Ethane, (methylthio)- 1.089 -0.007
C2H3 vinyl 1.085 -0.007
CH3COF Acetyl fluoride 1.084 -0.007
C2H3Br vinyl bromide 1.080 -0.007
CH3CHClCH3 Propane, 2-chloro- 1.092 -0.007
C2H6 Ethane 1.091 -0.007
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.091 -0.007
C4H2 Diacetylene 1.058 -0.007
C6H10O cyclohexanone 1.088 -0.007
C10H8 Azulene 1.083 -0.007
CH3SeH Methane selenol 1.088 -0.007
CH2CHF Ethene, fluoro- 1.077 -0.007
CHONH2 formamide 1.090 -0.007
CH3OC2H5 Ethane, methoxy- 1.086 -0.007
CH2NH Methanimine 1.081 -0.007
CH3OCl methyl hypochlorite 1.086 -0.006
CH2Br2 dibromomethane 1.079 -0.006
CH3COCH2CH3 2-Butanone 1.093 -0.006
CH3NHCH3 Dimethylamine 1.098 -0.006
C10H8 Azulene 1.081 -0.006
CH3CH2SH ethanethiol 1.091 -0.006
C4H10O Propane, 2-methoxy- 1.090 -0.006
CH3Br methyl bromide 1.082 -0.006
CH3OCH3 Dimethyl ether 1.085 -0.006
C6H10 1-Butyne, 3,3-dimethyl- 1.056 -0.006
CH3CHO Acetaldehyde 1.086 -0.006
CH3CHFCH3 2-Fluoropropane 1.088 -0.005
CH3OC2H5 Ethane, methoxy- 1.089 -0.005
C3H6O 2-Propen-1-ol 1.078 -0.005
CH3CH2Cl Ethyl chloride 1.090 -0.005
CH3S thiomethoxy 1.090 -0.005
HCCBr bromoacetylene 1.055 -0.005
C5H6 Cyclopropylacetylene 1.055 -0.005
HCCCl Chloroacetylene 1.055 -0.005
C4H9N Pyrrolidine 1.090 -0.005
C6H5CCH phenylacetylene 1.055 -0.005
HCCF Fluoroacetylene 1.053 -0.005
C3H8 Propane 1.089 -0.004
CH3CH2OH Ethanol 1.088 -0.004
C2H5CN ethyl cyanide 1.088 -0.004
CH4 Methane 1.087 -0.004
C2H5CN ethyl cyanide 1.087 -0.004
CH3CH2O Ethoxy radical 1.088 -0.004
C6H5OH phenol 1.076 -0.004
CHCl3 Chloroform 1.073 -0.004
CH3SCH2CH3 Ethane, (methylthio)- 1.087 -0.003
CH3NH2 methyl amine 1.093 -0.003
C8H8 cyclooctatetraene 1.079 -0.003
C3H7N Cyclopropylamine 1.080 -0.003
CH3CH2O Ethoxy radical 1.086 -0.002
C6H5Br bromobenzene 1.072 -0.002
CH3CH2O Ethoxy radical 1.085 -0.002
C5H8 1,3-Butadiene, 2-methyl- 1.076 -0.002
C4H4Se selenophene 1.070 -0.002
CH3CF3 Ethane, 1,1,1-trifluoro- 1.081 -0.002
SiH2(CH3)2 dimethylsilane 1.089 -0.002
CH3NHCH3 Dimethylamine 1.084 -0.001
CH2NCH3 N-methylmethanimine 1.089 -0.001
CH Methylidyne 1.120 -0.001
CH3CH2OH Ethanol 1.086 -0.001
CH3CHF2 Ethane, 1,1-difluoro- 1.081 0.000
CH2CCl2 Ethene, 1,1-dichloro- 1.070 0.000
GeH3CH3 methyl germane 1.083 0.001
C5H6S Thiophene, 3-methyl- 1.081 0.002
N(CH3)3 Trimethylamine 1.088 0.005
C4H4N2 Pyridazine 1.064 0.006
C3H5 Allyl radical 1.069 0.007
C2H Ethynyl radical 1.047 0.007
CH3CCl(CH3)CH3 Propane, 2-chloro-2-methyl- 1.078 0.007
CH2I2 Diiodomethane 1.066 0.008
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.072 0.011
HCO Formyl radical 1.080 0.015
C5H10 2-Pentene, (Z)- 1.058 0.019
HCNO fulminic acid 1.027 0.022
CH3SOCH3 Dimethyl sulfoxide 1.054 0.028
C4H10O Methyl propyl ether 1.099 0.333
C3H3NO Isoxazole 1.075 0.361
C4H6 1-Methylcyclopropene 1.070 0.454
C4H6 1-Methylcyclopropene 1.098 0.654
C4H6 1-Methylcyclopropene 1.098 0.666
C4H6 1-Methylcyclopropene 1.087 0.727
C4H6 1-Methylcyclopropene 1.087 2.336
C4H6 1-Methylcyclopropene 1.085 3.078