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Compare Bonds

18 10 26 16 45

mPW1PW91/3-21G 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-0.046
Most positive difference C4H6 1-Methylcyclopropene3.115

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 -0.045
C3H5Cl3 Propane, 1,2,3-trichloro- 1.131 -0.043
C5H8O Methyl cyclopropyl ketone 1.126 -0.035
CH3CONH2 Acetamide 1.124 -0.035
CHOCH(CH3)CH3 Propanal, 2-methyl- 1.127 -0.033
C2H2O2 Ethanedial 1.132 -0.031
CH2SHCH2SH 1,2-Ethanedithiol 1.120 -0.030
C2H3CCH 1-Buten-3-yne 1.090 -0.029
CHBr3 bromoform 1.110 -0.027
CH2ClCHClCH3 Propane, 1,2-dichloro- 1.113 -0.026
C2H6N2O2 Dimethylnitroamine 1.121 -0.025
CH2ClCH2Cl Ethane, 1,2-dichloro- 1.112 -0.025
CH2ClCH2CH3 Propane, 1-chloro- 1.113 -0.024
C4H6O2 2,3-Butanedione 1.114 -0.024
C4H5N Cyclopropanecarbonitrile 1.107 -0.024
C2HF3 Trifluoroethylene 1.100 -0.024
C6H14 Hexane 1.118 -0.023
HCONHCH3 N-methylformamide 1.114 -0.023
C2H3CCH 1-Buten-3-yne 1.106 -0.022
C3H6S3 1,3,5-Trithiane 1.114 -0.022
C7H16 heptane 1.121 -0.022
C5H6 Propellane 1.106 -0.022
CHClCHCl Ethene, 1,2-dichloro-, (Z)- 1.101 -0.021
C5H8 Spiropentane 1.105 -0.021
CH2ClCH2CH2CH3 Butane, 1-chloro- 1.110 -0.021
C5H12O Butane, 1-methoxy- 1.115 -0.020
C3H7NO dimethylformamide 1.112 -0.020
CH3CCCH3 2-Butyne 1.116 -0.020
C5H10 Cyclopentane 1.114 -0.020
CH3CH2CH2CH3 Butane 1.117 -0.019
C5H12 Pentane 1.118 -0.019
Si(CH3)4 tetramethylsilane 1.115 -0.019
C7H12 Norbornane 1.113 -0.018
C6H12 (E)-3-methylpent-2-ene 1.116 -0.018
C5H12 Propane, 2,2-dimethyl- 1.114 -0.018
C4H10O2 Ethane, 1,2-dimethoxy- 1.109 -0.018
C5H10S 2H-Thiopyran, tetrahydro- 1.114 -0.018
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.102 -0.018
C5H10O 2-Butanone, 3-methyl- 1.113 -0.018
C5H8 1,3-Butadiene, 2-methyl- 1.110 -0.017
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.098 -0.017
C5H10O 2H-Pyran, tetrahydro- 1.116 -0.017
CH3CHClCH2CH3 Butane, 2-chloro- 1.110 -0.017
C6H8 (Z)-hexa-1,3,5-triene 1.104 -0.017
CH3OCl methyl hypochlorite 1.111 -0.016
C4H8O2 Ethyl acetate 1.105 -0.016
C5H8 Ethenylcyclopropane 1.099 -0.015
CH3SH Methanethiol 1.104 -0.015
N(CH3)3 Trimethylamine 1.109 -0.015
CH2CHOH ethenol 1.097 -0.014
C12H8 biphenylene 1.096 -0.014
CH2CF2 Ethene, 1,1-difluoro- 1.091 -0.013
CH3COCl Acetyl Chloride 1.105 -0.013
CH2N2 diazirine 1.090 -0.013
C3H8O2 Methane, dimethoxy- 1.108 -0.012
C5H8 1,4-Pentadiene 1.110 -0.012
CH3COCH3 Acetone 1.103 -0.012
C2H8N2 Ethylenediamine 1.109 -0.012
C8H8 cubane 1.097 -0.012
CH3CH2NH2 Ethylamine 1.107 -0.012
CH3COOH Acetic acid 1.100 -0.012
C2H3Cl Ethene, chloro- 1.090 -0.011
C3H2N2 Malononitrile 1.109 -0.011
C3H6S Thietane 1.100 -0.011
CH3CCl2CH3 Propane, 2,2-dichloro- 1.101 -0.010
CH3ONO Methyl nitrite 1.102 -0.010
CH3CH2CHO Propanal 1.103 -0.010
CH3CN Acetonitrile 1.104 -0.010
CH3CH(CH3)CH3 Isobutane 1.108 -0.010
C4H8O2 1,3-Dioxolane, 2-methyl- 1.102 -0.009
C4H6O Cyclobutanone 1.100 -0.009
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.009
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 1.089 -0.009
C6H5CH2CH3 Ethylbenzene 1.094 -0.009
CH3OCHO methyl formate 1.101 -0.009
CH3CH2CHO Propanal 1.115 -0.009
C5H8 Cyclobutane, methylene- 1.101 -0.009
C5H6S Thiophene, 3-methyl- 1.090 -0.009
H2CO Formaldehyde 1.111 -0.008
CH3O Methoxy radical 1.112 -0.008
C5H6 1-Buten-3-yne, 2-methyl- 1.091 -0.008
C4H8O2 1,3-Dioxane 1.095 -0.008
C5H8O 2H-Pyran, 3,4-dihydro- 1.090 -0.008
CH3CHO Acetaldehyde 1.114 -0.007
CH2NH Methanimine 1.103 -0.007
C3H5ClO Oxirane, (chloromethyl)- 1.095 -0.007
C3H4N2 1H-Pyrazole 1.083 -0.007
CHF2Cl difluorochloromethane 1.090 -0.007
C3H4N2 1H-Pyrazole 1.082 -0.006
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.087 -0.006
CH2CHF Ethene, fluoro- 1.087 -0.006
CH2O2 Dioxirane 1.090 -0.006
HCOOH Formic acid 1.097 -0.006
HFCO formyl fluoride 1.095 -0.006
C3H6O 2-Propen-1-ol 1.092 -0.006
C5H8 Bicyclo[2.1.0]pentane 1.085 -0.006
C4H4N2 1,3-Diazine 1.087 -0.006
C2H3Br vinyl bromide 1.088 -0.005
C3H4N2 1H-Pyrazole 1.080 -0.005
C6H8 Bicyclo[3.1.0]hex-2-ene 1.089 -0.005
C2H4F2 1,2-difluoroethane 1.099 -0.005
CH2PH Phosphaethene 1.090 -0.005
CHF3 Methane, trifluoro- 1.091 -0.005
C4H6 Methylenecyclopropane 1.090 -0.005
CH3CHCl2 Ethane, 1,1-dichloro- 1.090 -0.005
CH3CH2CHO Propanal 1.105 -0.005
CH3CH2OH Ethanol 1.098 -0.005
CH2CHCHO Acrolein 1.113 -0.005
CH3NO3 Methyl nitrate 1.095 -0.005
CH3OH Methyl alcohol 1.096 -0.005
CH2PH Phosphaethene 1.090 -0.005
C3H6O 2-Propen-1-ol 1.091 -0.005
CH3SSCH3 Disulfide, dimethyl 1.097 -0.005
CH2CS Thioketene 1.090 -0.005
CH3SCH2CH3 Ethane, (methylthio)- 1.097 -0.004
CH2 Methylene 1.085 -0.004
CHFClBr fluorochlorobromomethane 1.088 -0.004
CH2FCl fluorochloromethane 1.090 -0.004
C3H8O2 Propylene glycol 1.095 -0.004
CH3Cl Methyl chloride 1.090 -0.004
CH3NO nitrosomethane 1.094 -0.004
CH2NOH formaldoxime 1.086 -0.004
C5H6 1-Buten-3-yne, 2-methyl- 1.065 -0.004
C6H6 Benzvalene 1.078 -0.003
CH3CH(CH3)CH3 Isobutane 1.100 -0.003
C4H6 Cyclobutene 1.083 -0.003
C6H5CH3 toluene 1.100 -0.003
CH3CH2CHO Propanal 1.096 -0.003
C4H5N (E)-2-Butenenitrile 1.090 -0.003
C6H10 cyclohexene 1.090 -0.003
CH2BrF Methane, bromofluoro- 1.090 -0.003
C3H3NO Oxazole 1.075 -0.003
CH3PH2 Methyl phosphine 1.094 -0.003
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.088 -0.003
C4H6 Methylenecyclopropane 1.088 -0.003
C4H4O Furan 1.076 -0.003
CH3NHCH3 Dimethylamine 1.098 -0.003
C6H12 Cyclohexane 1.101 -0.003
C4H4S Thiophene 1.079 -0.002
CH3SOCH3 Dimethyl sulfoxide 1.093 -0.002
C3H3NO Oxazole 1.075 -0.002
C5H8 Cyclopentene 1.085 -0.002
C4H6O Furan, 2,5-dihydro- 1.100 -0.002
CH3ONO Methyl nitrite 1.090 -0.002
C4H6S Thiophene, 2,5-dihydro- 1.095 -0.002
C3H3NO Oxazole 1.073 -0.002
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.002
CH2Cl2 Methylene chloride 1.085 -0.002
CHClCCl2 Trichloroethylene 1.080 -0.002
C6H6 Benzvalene 1.082 -0.002
CH2CHCHO Acrolein 1.089 -0.002
C2H6O2S Dimethyl sulfone 1.091 -0.002
C3H4 cyclopropene 1.072 -0.001
CH3SeCH3 dimethylselenide 1.093 -0.001
CH3NC methyl isocyanide 1.094 -0.001
C4H6 Cyclobutene 1.094 -0.001
CH2CO Ketene 1.083 -0.001
H2NCH2COOH Glycine 1.096 -0.001
C2H5N Aziridine 1.083 -0.001
CH3SiH3 methyl silane 1.096 -0.001
CH2CHOH ethenol 1.086 -0.001
C3H4O Cyclopropanone 1.086 -0.001
C2H2 Acetylene 1.063 -0.001
CH2CCH2 allene 1.087 -0.001
CH3CHClCH3 Propane, 2-chloro- 1.091 -0.001
CH2CHCH2CH3 1-Butene 1.095 -0.001
C5H8 Cyclopentene 1.095 -0.001
C3H4 cyclopropene 1.088 -0.001
C2H4 Ethylene 1.086 -0.001
HCN Hydrogen cyanide 1.064 -0.001
C4H6S Thiophene, 2,5-dihydro- 1.085 -0.001
CH2CHCH2CH3 1-Butene 1.090 -0.001
C3H3N acrylonitrile 1.086 -0.001
CH3SCH3 Dimethyl sulfide 1.091 -0.001
C2H4S Thiirane 1.083 -0.001
C4H4N2 Pyrazine 1.083 -0.001
C6H8 Bicyclo[3.1.0]hex-2-ene 1.082 -0.001
C2H2ClF 1-chloro-1-fluoroethylene 1.082 -0.001
C4H4N2 1,3-Diazine 1.082 -0.001
C10H8 Azulene 1.081 -0.001
C2H2F2 Ethene, 1,2-difluoro-, (E)- 1.080 -0.001
C6H6 Fulvene 1.080 -0.000
CH3CCH propyne 1.096 -0.000
C6H6 Benzene 1.084 -0.000
CH3CCl3 Ethane, 1,1,1-trichloro- 1.093 -0.000
C10H8 Azulene 1.080 -0.000
C3H6 Cyclopropane 1.083 -0.000
C4H8 cyclobutane 1.093 -0.000
C4H10O Propane, 2-methoxy- 1.095 -0.000
C4H8 cyclobutane 1.091 -0.000
C4H5N Pyrrole 1.076 -0.000
CH2CHCHO Acrolein 1.084 -0.000
C6H5F Fluorobenzene 1.083 -0.000
CH3CHFCH3 2-Fluoropropane 1.094 -0.000
C2H3 vinyl 1.080 -0.000
C6H10 cyclohexene 1.100 0.000
C2H5F fluoroethane 1.095 0.000
C6H5F Fluorobenzene 1.081 0.000
H2CS Thioformaldehyde 1.087 0.000
CH3CHFCH3 2-Fluoropropane 1.093 0.000
HCCCN Cyanoacetylene 1.062 0.000
C2H3Br vinyl bromide 1.080 0.000
C6H5NH2 aniline 1.084 0.000
CH2NOH formaldoxime 1.085 0.000
C6H6 Benzvalene 1.078 0.000
C6H5OH phenol 1.082 0.000
C3H7SH 1-Propanethiol 1.094 0.000
CH3CHS Thioacetaldehyde 1.090 0.001
CH2CHF Ethene, fluoro- 1.082 0.001
C2H4O Ethylene oxide 1.084 0.001
C6H5CN phenyl cyanide 1.082 0.001
C3H6O 2-Propen-1-ol 1.102 0.001
CHOCHCHCH3 2-Butenal 1.084 0.001
HOCH2COOH Hydroxyacetic acid 1.097 0.001
C6H5CH3 toluene 1.083 0.001
C3H8 Propane 1.096 0.001
C6H6 Fulvene 1.078 0.001
C4H10O Ethoxy ethane 1.100 0.001
CH3OC2H5 Ethane, methoxy- 1.092 0.001
C2H5N Aziridine 1.084 0.001
C6H5Cl chlorobenzene 1.082 0.001
C2H2+ acetylene cation 1.077 0.001
CH3OC2H5 Ethane, methoxy- 1.100 0.001
CH3SCH2CH3 Ethane, (methylthio)- 1.090 0.001
CHOCHCHCH3 2-Butenal 1.108 0.001
CH3OC2H5 Ethane, methoxy- 1.099 0.001
CH3OCHO methyl formate 1.086 0.001
CH3CHS Thioacetaldehyde 1.089 0.001
C6H5OH phenol 1.084 0.001
CH3OCH3 Dimethyl ether 1.099 0.001
CH3CCH propyne 1.060 0.001
CH3CHS Thioacetaldehyde 1.098 0.001
C6H8 1,4-Cyclohexadiene 1.100 0.001
CHF2CHF2 1,1,2,2-tetrafluoroethane 1.087 0.002
HCS+ Thioformyl cation 1.079 0.002
C5H4O2 4-Cyclopentene-1,3-dione 1.093 0.002
C6H5Cl chlorobenzene 1.081 0.002
CH3NO3 Methyl nitrate 1.088 0.002
C3H8 Propane 1.094 0.002
CH3NO nitrosomethane 1.092 0.002
C3H7SH 1-Propanethiol 1.090 0.002
C10H8 Azulene 1.084 0.002
CH3SCH2CH3 Ethane, (methylthio)- 1.092 0.002
CH2CHOH ethenol 1.079 0.002
C4H10O Ethoxy ethane 1.092 0.002
C2H4F2 1,2-difluoroethane 1.093 0.002
CH3SCH2CH3 Ethane, (methylthio)- 1.089 0.002
CH3CH2Cl Ethyl chloride 1.086 0.002
C6H5CN phenyl cyanide 1.080 0.002
C2H5Br Ethyl bromide 1.087 0.002
C4H4Se selenophene 1.079 0.002
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.092 0.002
C4H10O Propane, 2-methoxy- 1.095 0.002
C6H5CH3 toluene 1.081 0.002
CH3 Methyl radical 1.079 0.002
CH(CN)3 tricyanomethane 1.100 0.002
CH2CHCHO Acrolein 1.081 0.002
C6H5Cl chlorobenzene 1.079 0.002
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.095 0.002
CH3CHSHCH3 2-Propanethiol 1.091 0.002
C6H5F Fluorobenzene 1.080 0.003
C2H5F fluoroethane 1.091 0.003
CHOCHCHCH3 2-Butenal 1.090 0.003
CH3SeH Methane selenol 1.088 0.003
C4H10O Ethoxy ethane 1.090 0.003
CH2NN diazomethane 1.075 0.003
CH3NO2 Methane, nitro- 1.088 0.003
CHClCHCl Ethene, 1,2-dichloro-, (E)- 1.075 0.003
C5H6 1-Buten-3-yne, 2-methyl- 1.090 0.003
C2H5F fluoroethane 1.090 0.003
CH3CH2Cl Ethyl chloride 1.089 0.003
C4H5N (E)-2-Butenenitrile 1.090 0.003
C5H6 1-Buten-3-yne, 2-methyl- 1.081 0.003
H2CCCCH2 Butatriene 1.083 0.003
C6H12 Cyclohexane 1.093 0.003
C5H10 2-Pentene, (Z)- 1.092 0.003
C3H6O Propylene oxide 1.090 0.003
C4H4N2 Succinonitrile 1.092 0.003
C2H3Cl Ethene, chloro- 1.079 0.003
C6H5CN phenyl cyanide 1.080 0.004
HCP Phosphaethyne 1.067 0.004
C3H7SH 1-Propanethiol 1.092 0.004
CH3CH(CH3)CH3 Isobutane 1.092 0.004
CH3I methyl iodide 1.084 0.004
C6H5CH3 toluene 1.081 0.004
C2H6 Ethane 1.091 0.004
CH3COF Acetyl fluoride 1.084 0.004
C3H6O 2-Propen-1-ol 1.096 0.004
C2H5Br Ethyl bromide 1.093 0.004
C4H2 Diacetylene 1.058 0.004
C6H8 Bicyclo[3.1.0]hex-2-ene 1.078 0.004
C5H8O Cyclopentanone 1.095 0.004
C5H6 Cyclopropylacetylene 1.080 0.004
CH3CHFCH3 2-Fluoropropane 1.092 0.004
C3H6O Propylene oxide 1.082 0.004
C10H16 adamantane 1.093 0.004
C4H10O Propane, 2-methoxy- 1.090 0.005
CH2CHF Ethene, fluoro- 1.077 0.005
C4H4N2 1,3-Diazine 1.079 0.005
C2H3Br vinyl bromide 1.080 0.005
CH3OC2H5 Ethane, methoxy- 1.089 0.005
C6H10O cyclohexanone 1.088 0.005
CH3CHClCH3 Propane, 2-chloro- 1.092 0.005
C2H6O2 1,2-Ethanediol 1.093 0.005
CHOCHCHCH3 2-Butenal 1.086 0.005
HCCBr bromoacetylene 1.055 0.005
CH3Br methyl bromide 1.082 0.005
CH3CHO Acetaldehyde 1.086 0.005
CH4 Methane 1.087 0.005
C6H10 1-Butyne, 3,3-dimethyl- 1.056 0.005
CH3CHFCH3 2-Fluoropropane 1.088 0.005
CH2Br2 dibromomethane 1.079 0.005
CH3OC2H5 Ethane, methoxy- 1.086 0.005
C4H5N (E)-2-Butenenitrile 1.081 0.005
CH3CH2SH ethanethiol 1.091 0.005
HCCCl Chloroacetylene 1.055 0.005
C5H10 2-Pentene, (E)- 1.082 0.006
C10H8 Azulene 1.083 0.006
CH3CH2OH Ethanol 1.088 0.006
SiH2(CH3)2 dimethylsilane 1.089 0.006
CH3S thiomethoxy 1.090 0.006
C3H8 Propane 1.089 0.006
HCCF Fluoroacetylene 1.053 0.006
C10H8 Azulene 1.081 0.006
C3H6O 2-Propen-1-ol 1.078 0.006
C5H6 Cyclopropylacetylene 1.055 0.006
CH3OCH3 Dimethyl ether 1.085 0.006
CH3CH2Cl Ethyl chloride 1.090 0.006
C6H5CCH phenylacetylene 1.055 0.006
C2H5CN ethyl cyanide 1.087 0.006
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.091 0.007
C6H8 Bicyclo[3.1.0]hex-2-ene 1.091 0.007
CH3OCl methyl hypochlorite 1.086 0.007
C4H4Se selenophene 1.070 0.007
C6H5OH phenol 1.076 0.007
C2H3 vinyl 1.085 0.008
CH3F Methyl fluoride 1.087 0.008
CH2F2 Methane, difluoro- 1.084 0.008
CH2NH Methanimine 1.081 0.008
CH3SCH2CH3 Ethane, (methylthio)- 1.087 0.008
CH3NHCH3 Dimethylamine 1.098 0.008
CH3CH2O Ethoxy radical 1.086 0.008
CH3CH2O Ethoxy radical 1.085 0.008
CH3CF3 Ethane, 1,1,1-trifluoro- 1.081 0.009
C2H5CN ethyl cyanide 1.088 0.009
CHCl3 Chloroform 1.073 0.009
HCCl Chloromethylene 1.119 0.009
C5H8 1,3-Butadiene, 2-methyl- 1.076 0.009
C6H5Br bromobenzene 1.072 0.010
CH3NHCH3 Dimethylamine 1.084 0.010
C8H8 cyclooctatetraene 1.079 0.010
GeH3CH3 methyl germane 1.083 0.011
CH3CHF2 Ethane, 1,1-difluoro- 1.081 0.011
C3H7N Cyclopropylamine 1.080 0.012
CH2CCl2 Ethene, 1,1-dichloro- 1.070 0.012
CH3NH2 methyl amine 1.093 0.012
CH2NCH3 N-methylmethanimine 1.089 0.012
CHONH2 formamide 1.090 0.012
C5H6S Thiophene, 3-methyl- 1.081 0.012
CH3CH2OH Ethanol 1.086 0.014
CH3CH2O Ethoxy radical 1.088 0.015
C4H9N Pyrrolidine 1.090 0.015
C2H Ethynyl radical 1.047 0.016
C4H4N2 Pyridazine 1.064 0.018
C3H5 Allyl radical 1.069 0.019
CH3CCl(CH3)CH3 Propane, 2-chloro-2-methyl- 1.078 0.019
N(CH3)3 Trimethylamine 1.088 0.019
CH2I2 Diiodomethane 1.066 0.020
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.072 0.021
CH Methylidyne 1.120 0.023
HCNO fulminic acid 1.027 0.031
C5H10 2-Pentene, (Z)- 1.058 0.031
CH3SOCH3 Dimethyl sulfoxide 1.054 0.036
HCO Formyl radical 1.080 0.039
C4H10O Methyl propyl ether 1.099 0.345
C3H3NO Isoxazole 1.075 0.353
C4H6 1-Methylcyclopropene 1.070 0.458
C4H6 1-Methylcyclopropene 1.098 0.667
C4H6 1-Methylcyclopropene 1.098 0.684
C4H6 1-Methylcyclopropene 1.087 0.749
C4H6 1-Methylcyclopropene 1.087 2.339
C4H6 1-Methylcyclopropene 1.085 3.115