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Compare Bonds

18 10 26 16 45

HF/CEP-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 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-0.052
Most positive difference C4H6 1-Methylcyclopropene3.147

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C3H8O2 1,3-Propanediol 1.140 -0.052
C6H6 Fulvene 1.130 -0.050
C2H2O2 Ethanedial 1.132 -0.044
C5H8O Methyl cyclopropyl ketone 1.126 -0.041
CHOCH(CH3)CH3 Propanal, 2-methyl- 1.127 -0.038
CH2SHCH2SH 1,2-Ethanedithiol 1.120 -0.037
C2H6N2O2 Dimethylnitroamine 1.121 -0.036
CH2ClCHClCH3 Propane, 1,2-dichloro- 1.113 -0.034
C2H3CCH 1-Buten-3-yne 1.090 -0.034
CHBr3 bromoform 1.110 -0.033
CH2ClCH2Cl Ethane, 1,2-dichloro- 1.112 -0.032
C4H5N Cyclopropanecarbonitrile 1.107 -0.032
CH2ClCH2CH3 Propane, 1-chloro- 1.113 -0.031
C3H7NO dimethylformamide 1.112 -0.030
C4H6O2 2,3-Butanedione 1.114 -0.030
C3H6S3 1,3,5-Trithiane 1.114 -0.029
C2HF3 Trifluoroethylene 1.100 -0.029
C5H6 Propellane 1.106 -0.028
CH2ClCH2CH2CH3 Butane, 1-chloro- 1.110 -0.028
HCONHCH3 N-methylformamide 1.114 -0.028
C7H16 heptane 1.121 -0.028
CH3CCCH3 2-Butyne 1.116 -0.028
C6H14 Hexane 1.118 -0.027
C2H3CCH 1-Buten-3-yne 1.106 -0.027
CH3OCl methyl hypochlorite 1.111 -0.026
C4H10O2 Ethane, 1,2-dimethoxy- 1.109 -0.026
CHClCHCl Ethene, 1,2-dichloro-, (Z)- 1.101 -0.026
C5H8 Spiropentane 1.105 -0.025
C5H12O Butane, 1-methoxy- 1.115 -0.024
C5H10 Cyclopentane 1.114 -0.024
C5H12 Pentane 1.118 -0.024
CH3CH2CH2CH3 Butane 1.117 -0.024
C3H2N2 Malononitrile 1.109 -0.024
C6H8 (Z)-hexa-1,3,5-triene 1.104 -0.024
C7H12 Norbornane 1.113 -0.024
C5H10S 2H-Thiopyran, tetrahydro- 1.114 -0.024
C6H12 (E)-3-methylpent-2-ene 1.116 -0.023
C5H10O 2-Butanone, 3-methyl- 1.113 -0.023
Si(CH3)4 tetramethylsilane 1.115 -0.023
C5H10O 2H-Pyran, tetrahydro- 1.116 -0.023
C5H8 1,3-Butadiene, 2-methyl- 1.110 -0.023
C5H12 Propane, 2,2-dimethyl- 1.114 -0.023
C3H8O2 Methane, dimethoxy- 1.108 -0.023
CH2CHOH ethenol 1.097 -0.022
CH3CHClCH2CH3 Butane, 2-chloro- 1.110 -0.022
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.098 -0.022
CH3O Methoxy radical 1.112 -0.021
C4H8O2 Ethyl acetate 1.105 -0.021
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.102 -0.021
CH2CHCHO Acrolein 1.113 -0.021
H2CO Formaldehyde 1.111 -0.021
N(CH3)3 Trimethylamine 1.109 -0.021
CH3CH2CHO Propanal 1.115 -0.021
C12H8 biphenylene 1.096 -0.021
CH3CHO Acetaldehyde 1.114 -0.020
C6H5NO2 Nitrobenzene 1.093 -0.020
C5H8 Ethenylcyclopropane 1.099 -0.020
CH3COCl Acetyl Chloride 1.105 -0.020
CH3SH Methanethiol 1.104 -0.020
C5H8 1,4-Pentadiene 1.110 -0.020
CH3OCHO methyl formate 1.101 -0.019
C2H8N2 Ethylenediamine 1.109 -0.018
C4H8O2 1,3-Dioxane 1.095 -0.018
CH3COCH3 Acetone 1.103 -0.018
CH3ONO Methyl nitrite 1.102 -0.018
CH3CN Acetonitrile 1.104 -0.018
CH3CH2NH2 Ethylamine 1.107 -0.018
CH3COOH Acetic acid 1.100 -0.017
C3H6S Thietane 1.100 -0.017
CH3CCl2CH3 Propane, 2,2-dichloro- 1.101 -0.016
C8H8 cubane 1.097 -0.016
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 1.089 -0.016
CH2N2 diazirine 1.090 -0.016
C2H3Cl Ethene, chloro- 1.090 -0.016
HCOOH Formic acid 1.097 -0.016
C6H5CH2CH3 Ethylbenzene 1.094 -0.016
CH2CF2 Ethene, 1,1-difluoro- 1.091 -0.016
CH3CH(CH3)CH3 Isobutane 1.108 -0.016
CHOCHCHCH3 2-Butenal 1.108 -0.015
C5H8O 2H-Pyran, 3,4-dihydro- 1.090 -0.015
CH2NH Methanimine 1.103 -0.015
C3H5ClO Oxirane, (chloromethyl)- 1.095 -0.015
CHF3 Methane, trifluoro- 1.091 -0.015
CH3CH2CHO Propanal 1.103 -0.015
C5H11N Piperidine 1.105 -0.015
HFCO formyl fluoride 1.095 -0.015
C5H6S Thiophene, 3-methyl- 1.090 -0.014
C4H6O Cyclobutanone 1.100 -0.014
CH3CHNOH Acetaldoxime 1.100 -0.014
CH2O2 Dioxirane 1.090 -0.014
C5H6 1-Buten-3-yne, 2-methyl- 1.091 -0.014
CH(CN)3 tricyanomethane 1.100 -0.014
CH3NO3 Methyl nitrate 1.095 -0.014
C5H8 Cyclobutane, methylene- 1.101 -0.014
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.014
C4H4N2 1,3-Diazine 1.087 -0.013
C4H8O2 1,3-Dioxolane, 2-methyl- 1.102 -0.013
CHF2Cl difluorochloromethane 1.090 -0.013
CH3OH Methyl alcohol 1.096 -0.013
C3H6O 2-Propen-1-ol 1.092 -0.013
CH3CHCl2 Ethane, 1,1-dichloro- 1.090 -0.012
CH3CH2CHO Propanal 1.105 -0.012
CH2FCl fluorochloromethane 1.090 -0.012
C4H6O Furan, 2,5-dihydro- 1.100 -0.012
CH2BrF Methane, bromofluoro- 1.090 -0.012
C3H4N2 1H-Pyrazole 1.083 -0.012
HCCl Chloromethylene 1.119 -0.012
HOCH2COOH Hydroxyacetic acid 1.097 -0.012
CHFClBr fluorochlorobromomethane 1.088 -0.012
C2H4F2 1,2-difluoroethane 1.094 -0.011
C3H4N2 1H-Pyrazole 1.082 -0.011
CH3SSCH3 Disulfide, dimethyl 1.097 -0.011
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.087 -0.011
C3H3N acrylonitrile 1.086 -0.010
C3H4N2 1H-Pyrazole 1.080 -0.010
CH2CS Thioketene 1.090 -0.010
C2H3Br vinyl bromide 1.088 -0.010
C2H5F fluoroethane 1.095 -0.010
C3H6O 2-Propen-1-ol 1.102 -0.010
C3H6O 2-Propen-1-ol 1.091 -0.010
CH3ONO Methyl nitrite 1.090 -0.010
C4H6 Methylenecyclopropane 1.090 -0.010
CH2NOH formaldoxime 1.086 -0.010
C6H8 Bicyclo[3.1.0]hex-2-ene 1.089 -0.010
CH3SCH2CH3 Ethane, (methylthio)- 1.097 -0.010
C4H5N (E)-2-Butenenitrile 1.090 -0.010
CH2PH Phosphaethene 1.090 -0.010
C4H10O Propane, 2-methoxy- 1.095 -0.010
CH2PH Phosphaethene 1.090 -0.010
H2NCH2COOH Glycine 1.096 -0.010
C4H6S Thiophene, 2,5-dihydro- 1.095 -0.009
C2H6O2S Dimethyl sulfone 1.091 -0.009
C5H8 Bicyclo[2.1.0]pentane 1.085 -0.009
C6H10 cyclohexene 1.090 -0.009
C4H4N2 1,3-Diazine 1.082 -0.009
CH3Cl Methyl chloride 1.090 -0.009
CH3CHClCH3 Propane, 2-chloro- 1.091 -0.009
C5H6 1-Buten-3-yne, 2-methyl- 1.065 -0.009
CH2CHF Ethene, fluoro- 1.087 -0.009
C3H3NO Oxazole 1.075 -0.009
C3H3NO Oxazole 1.075 -0.008
CH2Cl2 Methylene chloride 1.085 -0.008
C4H4N2 Pyrazine 1.083 -0.008
CH3NHCH3 Dimethylamine 1.098 -0.008
CH3NC methyl isocyanide 1.094 -0.008
CH2CHCHO Acrolein 1.089 -0.008
C3H3NO Oxazole 1.073 -0.008
CH3NO3 Methyl nitrate 1.088 -0.008
CH3CCH propyne 1.096 -0.008
C6H12 Cyclohexane 1.101 -0.008
CHF2CHF2 1,1,2,2-tetrafluoroethane 1.087 -0.008
CH2CHF Ethene, fluoro- 1.082 -0.008
CH3NO nitrosomethane 1.094 -0.008
CH3CH(CH3)CH3 Isobutane 1.100 -0.008
C5H8 Cyclopentene 1.085 -0.007
C2H2F2 Ethene, 1,2-difluoro-, (E)- 1.080 -0.007
C3H6O 2-Propen-1-ol 1.096 -0.007
C5H4O2 4-Cyclopentene-1,3-dione 1.093 -0.007
CH3CCl3 Ethane, 1,1,1-trichloro- 1.093 -0.007
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.088 -0.007
C4H6 Methylenecyclopropane 1.088 -0.007
CH2CHCH2CH3 1-Butene 1.090 -0.007
CH3SeCH3 dimethylselenide 1.093 -0.007
C4H6 Cyclobutene 1.083 -0.007
C4H4O Furan 1.076 -0.007
C4H4S Thiophene 1.079 -0.007
C2H4O Ethylene oxide 1.084 -0.007
CH3PH2 Methyl phosphine 1.094 -0.007
C4H10O Ethoxy ethane 1.100 -0.007
C6H8 1,4-Cyclohexadiene 1.100 -0.007
C2H4S Thiirane 1.083 -0.007
C6H10 cyclohexene 1.100 -0.007
CH2CCH2 allene 1.087 -0.007
CH2CHCHO Acrolein 1.084 -0.007
CH3OC2H5 Ethane, methoxy- 1.100 -0.007
CH3OC2H5 Ethane, methoxy- 1.099 -0.007
C4H4N2 Succinonitrile 1.092 -0.007
C3H4O Cyclopropanone 1.086 -0.007
CHClCCl2 Trichloroethylene 1.080 -0.006
C6H6 Benzene 1.084 -0.006
CH3CHFCH3 2-Fluoropropane 1.092 -0.006
C4H6S Thiophene, 2,5-dihydro- 1.085 -0.006
CH3OCH3 Dimethyl ether 1.099 -0.006
C2H5N Aziridine 1.083 -0.006
CH2CO Ketene 1.083 -0.006
CH3CH2CHO Propanal 1.096 -0.006
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.006
C6H5F Fluorobenzene 1.083 -0.006
C6H5CN phenyl cyanide 1.082 -0.006
CH3SCH3 Dimethyl sulfide 1.091 -0.006
C6H6 Benzvalene 1.082 -0.006
C6H5NH2 aniline 1.084 -0.006
C6H5F Fluorobenzene 1.081 -0.006
C6H6 Benzvalene 1.078 -0.006
C10H8 Azulene 1.081 -0.006
C3H8O2 Propylene glycol 1.095 -0.006
CH3CHS Thioacetaldehyde 1.098 -0.006
CHOCHCHCH3 2-Butenal 1.084 -0.006
C10H8 Azulene 1.080 -0.006
CH3OCHO methyl formate 1.086 -0.006
CH3CHS Thioacetaldehyde 1.090 -0.006
C5H8 Cyclopentene 1.095 -0.006
C6H6 Fulvene 1.080 -0.006
C10H8 Azulene 1.084 -0.006
C6H8 Bicyclo[3.1.0]hex-2-ene 1.082 -0.005
C6H5OH phenol 1.082 -0.005
C4H6 Cyclobutene 1.094 -0.005
C6H5OH phenol 1.084 -0.005
CH3CHFCH3 2-Fluoropropane 1.093 -0.005
C6H5CN phenyl cyanide 1.080 -0.005
C2H5Br Ethyl bromide 1.087 -0.005
CH3SiH3 methyl silane 1.096 -0.005
CH3CHFCH3 2-Fluoropropane 1.094 -0.005
H2CS Thioformaldehyde 1.087 -0.005
HCCCN Cyanoacetylene 1.062 -0.005
CH3NO nitrosomethane 1.092 -0.005
CH2F2 Methane, difluoro- 1.084 -0.005
CH3CH2SH ethanethiol 1.090 -0.005
C2H6O2 1,2-Ethanediol 1.093 -0.005
C6H5Cl chlorobenzene 1.082 -0.005
C2H4 Ethylene 1.086 -0.005
CH2CHOH ethenol 1.086 -0.005
C4H10O Propane, 2-methoxy- 1.095 -0.005
CH3CHSHCH3 2-Propanethiol 1.091 -0.005
C2H3Br vinyl bromide 1.080 -0.005
C6H5Cl chlorobenzene 1.079 -0.005
C3H4 cyclopropene 1.088 -0.005
CH3CHS Thioacetaldehyde 1.089 -0.005
C2H2 Acetylene 1.063 -0.005
CH3CH2Cl Ethyl chloride 1.086 -0.004
C5H8O Cyclopentanone 1.095 -0.004
CH2CHCH2CH3 1-Butene 1.095 -0.004
C4H8 cyclobutane 1.093 -0.004
C6H6 Benzvalene 1.078 -0.004
C4H5N (E)-2-Butenenitrile 1.081 -0.004
CH3CH2SH ethanethiol 1.095 -0.004
C3H7SH 1-Propanethiol 1.090 -0.004
C6H5Cl chlorobenzene 1.081 -0.004
C6H6 Fulvene 1.078 -0.004
C3H8 Propane 1.096 -0.004
C3H7SH 1-Propanethiol 1.094 -0.004
CH3NO2 Methane, nitro- 1.088 -0.004
CH2NOH formaldoxime 1.085 -0.004
C3H6 Cyclopropane 1.083 -0.004
CH3SCH2CH3 Ethane, (methylthio)- 1.090 -0.004
CH3CCH propyne 1.060 -0.004
C2H2ClF 1-chloro-1-fluoroethylene 1.082 -0.004
C4H5N Pyrrole 1.076 -0.004
C2H5N Aziridine 1.084 -0.004
C3H6O Propylene oxide 1.082 -0.004
C6H5F Fluorobenzene 1.080 -0.003
CH3OC2H5 Ethane, methoxy- 1.092 -0.003
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.091 -0.003
C4H8 cyclobutane 1.091 -0.003
C4H4N2 1,3-Diazine 1.079 -0.003
C10H16 adamantane 1.093 -0.003
C3H4 cyclopropene 1.072 -0.003
CH3CH2SH ethanethiol 1.092 -0.003
CHOCHCHCH3 2-Butenal 1.090 -0.003
C5H6 Cyclopropylacetylene 1.080 -0.003
CH3F Methyl fluoride 1.087 -0.003
CH3SCH2CH3 Ethane, (methylthio)- 1.092 -0.003
C10H8 Azulene 1.083 -0.003
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.092 -0.003
C6H5CN phenyl cyanide 1.080 -0.003
CH3SeH Methane selenol 1.088 -0.003
C4H5N (E)-2-Butenenitrile 1.090 -0.003
C5H10 Cyclopropane, 1,1-dimethyl- 1.095 -0.003
CH2 Methylene 1.085 -0.003
H2CCCCH2 Butatriene 1.083 -0.003
CH3SCH2CH3 Ethane, (methylthio)- 1.089 -0.003
C4H4Se selenophene 1.079 -0.003
CHOCHCHCH3 2-Butenal 1.086 -0.003
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.095 -0.003
C2H2+ acetylene cation 1.077 -0.003
C3H7SH 1-Propanethiol 1.092 -0.003
CH3I methyl iodide 1.084 -0.003
CH3OC2H5 Ethane, methoxy- 1.086 -0.003
C5H6 1-Buten-3-yne, 2-methyl- 1.090 -0.003
C6H10O cyclohexanone 1.088 -0.002
C6H12 Cyclohexane 1.093 -0.002
CH3CHNOH Acetaldoxime 1.085 -0.002
CHClCHCl Ethene, 1,2-dichloro-, (E)- 1.075 -0.002
CH3S thiomethoxy 1.090 -0.002
C3H8 Propane 1.094 -0.002
HCN Hydrogen cyanide 1.064 -0.002
CH3CH2Cl Ethyl chloride 1.089 -0.002
C3H6O Propylene oxide 1.090 -0.002
C2H5F fluoroethane 1.090 -0.002
C2H3Cl Ethene, chloro- 1.079 -0.002
CH3OCH3 Dimethyl ether 1.085 -0.002
CH2CHCHO Acrolein 1.081 -0.002
CH2Br2 dibromomethane 1.079 -0.001
C4H2 Diacetylene 1.058 -0.001
C5H6 1-Buten-3-yne, 2-methyl- 1.081 -0.001
CH3Br methyl bromide 1.082 -0.001
C4H10O Ethoxy ethane 1.090 -0.001
C5H10 2-Pentene, (E)- 1.082 -0.001
CHONH2 formamide 1.090 -0.001
C10H8 Azulene 1.081 -0.001
CH3COF Acetyl fluoride 1.084 -0.001
C6H8 Bicyclo[3.1.0]hex-2-ene 1.078 -0.001
C2H5Br Ethyl bromide 1.093 -0.001
C2H5CN ethyl cyanide 1.088 -0.001
CH2CHOH ethenol 1.079 -0.001
CH2NN diazomethane 1.075 -0.001
C5H10 2-Pentene, (Z)- 1.092 -0.001
CH3CH(CH3)CH3 Isobutane 1.092 -0.001
CH3OCl methyl hypochlorite 1.086 -0.001
CH3CHO Acetaldehyde 1.086 -0.000
C4H10O Ethoxy ethane 1.092 -0.000
C5H10 Cyclopropane, 1,1-dimethyl- 1.080 -0.000
CH3CHClCH3 Propane, 2-chloro- 1.092 -0.000
C6H8 Bicyclo[3.1.0]hex-2-ene 1.091 -0.000
CH2NH Methanimine 1.081 0.000
C2H3 vinyl 1.080 0.000
C2H5F fluoroethane 1.091 0.000
C6H10 1-Butyne, 3,3-dimethyl- 1.056 0.000
C2H3 vinyl 1.085 0.000
C2H6 Ethane 1.091 0.000
CH2CHF Ethene, fluoro- 1.077 0.001
C4H10O Propane, 2-methoxy- 1.090 0.001
C6H5CCH phenylacetylene 1.055 0.001
CH3NHCH3 Dimethylamine 1.098 0.001
C5H6 Cyclopropylacetylene 1.055 0.001
C2H3Br vinyl bromide 1.080 0.001
C6H5OH phenol 1.076 0.002
CH3CH2Cl Ethyl chloride 1.090 0.002
HCCCl Chloroacetylene 1.055 0.002
C2H5CN ethyl cyanide 1.087 0.002
SiH2(CH3)2 dimethylsilane 1.089 0.002
HCS+ Thioformyl cation 1.079 0.002
CH3CH2O Ethoxy radical 1.088 0.002
C3H8 Propane 1.089 0.002
CHCl3 Chloroform 1.073 0.002
CH3 Methyl radical 1.079 0.002
CH3OC2H5 Ethane, methoxy- 1.089 0.002
C6H5Br bromobenzene 1.072 0.003
C8H8 cyclooctatetraene 1.079 0.003
HCP Phosphaethyne 1.067 0.003
CH3CHFCH3 2-Fluoropropane 1.088 0.003
C3H6O 2-Propen-1-ol 1.078 0.003
HCCBr bromoacetylene 1.055 0.003
C3H7N Cyclopropylamine 1.080 0.003
CH4 Methane 1.087 0.003
C4H4Se selenophene 1.070 0.003
CH3NH2 methyl amine 1.093 0.004
CH3CF3 Ethane, 1,1,1-trifluoro- 1.081 0.004
CH3SCH2CH3 Ethane, (methylthio)- 1.087 0.004
HCCF Fluoroacetylene 1.053 0.004
CH3NHCH3 Dimethylamine 1.084 0.004
CH3CH2O Ethoxy radical 1.085 0.004
C5H8 1,3-Butadiene, 2-methyl- 1.076 0.004
CH3CHF2 Ethane, 1,1-difluoro- 1.081 0.005
CH3CH2O Ethoxy radical 1.086 0.006
CH2NCH3 N-methylmethanimine 1.089 0.006
GeH3CH3 methyl germane 1.083 0.007
CH Methylidyne 1.120 0.007
C5H6S Thiophene, 3-methyl- 1.081 0.007
C4H9N Pyrrolidine 1.090 0.008
CH2CCl2 Ethene, 1,1-dichloro- 1.070 0.008
C4H4N2 Pyridazine 1.064 0.011
C3H5 Allyl radical 1.069 0.012
N(CH3)3 Trimethylamine 1.088 0.013
CH2I2 Diiodomethane 1.066 0.013
CH3CCl(CH3)CH3 Propane, 2-chloro-2-methyl- 1.078 0.014
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.072 0.016
C2H Ethynyl radical 1.047 0.016
HCO Formyl radical 1.080 0.020
C5H10 2-Pentene, (Z)- 1.058 0.026
HCNO fulminic acid 1.027 0.031
C4H10O Methyl propyl ether 1.099 0.333
C3H3NO Isoxazole 1.075 0.378
C4H6 1-Methylcyclopropene 1.070 0.473
C4H6 1-Methylcyclopropene 1.098 0.662
C4H6 1-Methylcyclopropene 1.098 0.674
C4H6 1-Methylcyclopropene 1.087 0.731
C4H6 1-Methylcyclopropene 1.087 2.385
C4H6 1-Methylcyclopropene 1.085 3.147