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Compare Bonds

18 10 26 16 45

MP2/6-31G* 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 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 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 C3H4O Cyclopropanone-0.073
Most positive difference C5H8O Methyl cyclopropyl ketone4.312

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C3H4O Cyclopropanone 1.086 -0.073
C4H6 Methylenecyclopropane 1.088 -0.052
C2H6O2S Dimethyl sulfone 1.091 -0.051
CH3CF3 Ethane, 1,1,1-trifluoro- 1.081 -0.051
C4H6 Methylenecyclopropane 1.090 -0.050
C3H8O2 1,3-Propanediol 1.140 -0.045
C6H6 Fulvene 1.130 -0.043
C3H5Cl3 Propane, 1,2,3-trichloro- 1.131 -0.040
C4H10O Ethoxy ethane 1.100 -0.037
CH3CONH2 Acetamide 1.124 -0.035
CHOCH(CH3)CH3 Propanal, 2-methyl- 1.127 -0.033
CH2SHCH2SH 1,2-Ethanedithiol 1.120 -0.028
C2H2O2 Ethanedial 1.132 -0.027
C4H10O Ethoxy ethane 1.092 -0.026
C4H6O2 2,3-Butanedione 1.114 -0.024
C6H14 Hexane 1.118 -0.024
CH2ClCHClCH3 Propane, 1,2-dichloro- 1.113 -0.024
C2H6N2O2 Dimethylnitroamine 1.121 -0.024
CHBr3 bromoform 1.110 -0.024
C2H3CCH 1-Buten-3-yne 1.090 -0.024
C3H7NO dimethylformamide 1.112 -0.023
C7H16 heptane 1.121 -0.023
CH3CCCH3 2-Butyne 1.116 -0.022
CHClCHCl Ethene, 1,2-dichloro-, (Z)- 1.101 -0.022
C2H3CCH 1-Buten-3-yne 1.106 -0.022
HCONHCH3 N-methylformamide 1.114 -0.022
CH2ClCH2CH3 Propane, 1-chloro- 1.113 -0.022
C4H10O Ethoxy ethane 1.090 -0.021
C4H5N Cyclopropanecarbonitrile 1.107 -0.021
CH3CCl(CH3)CH3 Propane, 2-chloro-2-methyl- 1.078 -0.021
C5H12O Butane, 1-methoxy- 1.115 -0.021
Si(CH3)4 tetramethylsilane 1.115 -0.020
C6H12 (E)-3-methylpent-2-ene 1.116 -0.020
CH3OCl methyl hypochlorite 1.111 -0.020
CH3CH2CH2CH3 Butane 1.117 -0.020
C5H12 Pentane 1.118 -0.019
C2HF3 Trifluoroethylene 1.100 -0.019
CH2ClCH2CH2CH3 Butane, 1-chloro- 1.110 -0.019
CH2NN diazomethane 1.075 -0.019
C3H6S3 1,3,5-Trithiane 1.114 -0.019
C4H10O2 Ethane, 1,2-dimethoxy- 1.109 -0.018
C5H10 Cyclopentane 1.114 -0.018
C5H12 Propane, 2,2-dimethyl- 1.114 -0.018
C5H6 Propellane 1.106 -0.018
C5H10S 2H-Thiopyran, tetrahydro- 1.114 -0.018
C5H8 Spiropentane 1.105 -0.018
C5H10O 2-Butanone, 3-methyl- 1.113 -0.018
C5H10O 2H-Pyran, tetrahydro- 1.116 -0.018
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.102 -0.017
CH3CHClCH2CH3 Butane, 2-chloro- 1.110 -0.017
C5H8 1,3-Butadiene, 2-methyl- 1.110 -0.017
HCF Fluoromethylene 1.138 -0.017
C7H12 Norbornane 1.113 -0.017
C4H8O2 Ethyl acetate 1.105 -0.016
N(CH3)3 Trimethylamine 1.109 -0.015
CH2CF2 Ethene, 1,1-difluoro- 1.091 -0.015
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.098 -0.015
CH3COCl Acetyl Chloride 1.105 -0.015
C3H2N2 Malononitrile 1.109 -0.015
CH3COOH Acetic acid 1.100 -0.014
CH3SH Methanethiol 1.104 -0.013
C6H8 (Z)-hexa-1,3,5-triene 1.104 -0.013
CH3COCH3 Acetone 1.103 -0.013
CH3CH2CHO Propanal 1.103 -0.013
CH3CH2NH2 Ethylamine 1.107 -0.013
CH3CN Acetonitrile 1.104 -0.012
C2H8N2 Ethylenediamine 1.109 -0.012
C5H8 1,4-Pentadiene 1.110 -0.012
CH3O Methoxy radical 1.112 -0.012
CH2CHOH ethenol 1.097 -0.011
C5H8 Ethenylcyclopropane 1.099 -0.011
C3H8O2 Methane, dimethoxy- 1.108 -0.010
CH3CCl2CH3 Propane, 2,2-dichloro- 1.101 -0.010
HCCl Chloromethylene 1.119 -0.010
CH3CCl3 Ethane, 1,1,1-trichloro- 1.093 -0.010
CH3ONO Methyl nitrite 1.102 -0.010
CH3CH(CH3)CH3 Isobutane 1.108 -0.009
C4H8O2 1,3-Dioxolane, 2-methyl- 1.102 -0.009
C5H11N Piperidine 1.105 -0.009
C4H6O Cyclobutanone 1.100 -0.009
CH3CHNOH Acetaldoxime 1.100 -0.008
CH3NO3 Methyl nitrate 1.095 -0.008
C12H8 biphenylene 1.096 -0.008
C6H5NO2 Nitrobenzene 1.093 -0.008
C3H6S Thietane 1.100 -0.007
H2CO Formaldehyde 1.111 -0.007
CH2 Methylene 1.085 -0.007
CH3CH2CHO Propanal 1.105 -0.006
CH2N2 diazirine 1.090 -0.006
C5H8 Cyclobutane, methylene- 1.101 -0.006
C5H6 1-Buten-3-yne, 2-methyl- 1.091 -0.006
CH3CH2CHO Propanal 1.115 -0.006
CH3CH2OH Ethanol 1.098 -0.006
CH2NH Methanimine 1.103 -0.006
C2H3Cl Ethene, chloro- 1.090 -0.006
C4H8O2 1,3-Dioxane 1.095 -0.006
CH3OH Methyl alcohol 1.096 -0.005
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 1.089 -0.005
CH2CS Thioketene 1.090 -0.005
CH2CHF Ethene, fluoro- 1.087 -0.005
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.005
CH3CHO Acetaldehyde 1.114 -0.005
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.087 -0.005
C2H4F2 1,2-difluoroethane 1.099 -0.004
C8H8 cubane 1.097 -0.004
C3H5ClO Oxirane, (chloromethyl)- 1.095 -0.004
C6H5CH3 toluene 1.100 -0.004
CH3CH(CH3)CH3 Isobutane 1.100 -0.004
C6H5CH2CH3 Ethylbenzene 1.094 -0.004
C5H8O 2H-Pyran, 3,4-dihydro- 1.090 -0.004
CHF2Cl difluorochloromethane 1.090 -0.004
CH3SSCH3 Disulfide, dimethyl 1.097 -0.004
CH3NHCH3 Dimethylamine 1.098 -0.003
C5H6S Thiophene, 3-methyl- 1.090 -0.003
CH3CH2CHO Propanal 1.096 -0.003
C2H3Br vinyl bromide 1.088 -0.003
C6H12 Cyclohexane 1.101 -0.003
CH2PH Phosphaethene 1.090 -0.003
CH2NOH formaldoxime 1.086 -0.003
CH3NC methyl isocyanide 1.094 -0.003
CH3CCH propyne 1.096 -0.003
CH2PH Phosphaethene 1.090 -0.003
CH3PH2 Methyl phosphine 1.094 -0.003
CH3ONO Methyl nitrite 1.090 -0.003
CH2CHCHO Acrolein 1.113 -0.002
CH3SiH3 methyl silane 1.096 -0.002
CHF3 Methane, trifluoro- 1.091 -0.002
CH3SeCH3 dimethylselenide 1.093 -0.002
CH2CO Ketene 1.083 -0.002
CH2BrF Methane, bromofluoro- 1.090 -0.002
C3H8O2 Propylene glycol 1.095 -0.002
CH3SCH2CH3 Ethane, (methylthio)- 1.097 -0.002
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.088 -0.002
C4H4N2 1,3-Diazine 1.087 -0.002
CH3NO3 Methyl nitrate 1.088 -0.002
CH3NO nitrosomethane 1.094 -0.002
CH2CHCHO Acrolein 1.089 -0.002
CH3CHS Thioacetaldehyde 1.098 -0.002
CH3Cl Methyl chloride 1.090 -0.002
CH2CHCH2CH3 1-Butene 1.095 -0.001
CH3CHCl2 Ethane, 1,1-dichloro- 1.090 -0.001
H2NCH2COOH Glycine 1.096 -0.001
HFCO formyl fluoride 1.095 -0.001
CH2CCH2 allene 1.087 -0.001
C3H4N2 1H-Pyrazole 1.083 -0.001
C2H4 Ethylene 1.086 -0.001
CHFClBr fluorochlorobromomethane 1.088 -0.001
CH3CHFCH3 2-Fluoropropane 1.094 -0.001
C5H8 Cyclopentene 1.095 -0.001
CH3CHFCH3 2-Fluoropropane 1.093 -0.001
C3H4N2 1H-Pyrazole 1.082 -0.001
HCOOH Formic acid 1.097 -0.001
CH3OCHO methyl formate 1.101 -0.001
C3H7SH 1-Propanethiol 1.094 -0.001
C6H10 cyclohexene 1.090 -0.001
C4H5N (E)-2-Butenenitrile 1.090 -0.001
C6H8 Bicyclo[3.1.0]hex-2-ene 1.089 -0.001
C4H6O Furan, 2,5-dihydro- 1.100 -0.000
CH3 Methyl radical 1.079 -0.000
C6H10 cyclohexene 1.100 -0.000
CH3SOCH3 Dimethyl sulfoxide 1.093 0.000
C4H6S Thiophene, 2,5-dihydro- 1.095 0.000
C3H8 Propane 1.096 0.000
C2H2ClF 1-chloro-1-fluoroethylene 1.082 0.000
C3H3N acrylonitrile 1.086 0.000
CH(CN)3 tricyanomethane 1.100 0.000
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.095 0.000
C4H10O Propane, 2-methoxy- 1.095 0.000
C3H4N2 1H-Pyrazole 1.080 0.000
CH3OCH3 Dimethyl ether 1.099 0.000
CH2FCl fluorochloromethane 1.090 0.000
C6H8 1,4-Cyclohexadiene 1.100 0.000
CH2CHOH ethenol 1.086 0.001
CHClCCl2 Trichloroethylene 1.080 0.001
C3H8 Propane 1.094 0.001
C6H10 1-Butyne, 3,3-dimethyl- 1.056 0.001
CH Methylidyne 1.120 0.001
CH3SCH3 Dimethyl sulfide 1.091 0.001
C4H8 cyclobutane 1.093 0.001
HOCH2COOH Hydroxyacetic acid 1.097 0.001
C5H10 Cyclopropane, 1,1-dimethyl- 1.095 0.001
C2H5F fluoroethane 1.095 0.001
CH2O2 Dioxirane 1.090 0.001
CH3SCH2CH3 Ethane, (methylthio)- 1.092 0.001
C5H8 Bicyclo[2.1.0]pentane 1.095 0.001
CH3CHS Thioacetaldehyde 1.090 0.001
C4H6 Cyclobutene 1.094 0.001
C5H6 1-Buten-3-yne, 2-methyl- 1.065 0.002
CH3NO nitrosomethane 1.092 0.002
C3H6 Cyclopropane 1.083 0.002
CH2CHCH2CH3 1-Butene 1.090 0.002
C5H8 Bicyclo[2.1.0]pentane 1.085 0.002
CH3CHClCH3 Propane, 2-chloro- 1.091 0.002
C5H8 Cyclopentene 1.085 0.002
C5H4O2 4-Cyclopentene-1,3-dione 1.093 0.002
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.092 0.002
C3H4O Methylketene 1.083 0.002
C4H4N2 Succinonitrile 1.092 0.002
CH2Cl2 Methylene chloride 1.085 0.002
CH3OCHO methyl formate 1.086 0.002
C5H10 2-Pentene, (Z)- 1.092 0.002
C2H6 Ethane 1.091 0.002
CH3SeH Methane selenol 1.088 0.002
C2H3 vinyl 1.080 0.002
C4H10O Propane, 2-methoxy- 1.095 0.002
CH2CHF Ethene, fluoro- 1.082 0.002
CHOCHCHCH3 2-Butenal 1.090 0.002
C2H5F fluoroethane 1.090 0.002
C3H6O Propylene oxide 1.090 0.003
CH3CH2Cl Ethyl chloride 1.089 0.003
C2H5Br Ethyl bromide 1.093 0.003
CH2CHCHO Acrolein 1.084 0.003
CH3CH(CH3)CH3 Isobutane 1.092 0.003
C2H5F fluoroethane 1.091 0.003
C4H5N (E)-2-Butenenitrile 1.090 0.003
CH3CHClCH3 Propane, 2-chloro- 1.092 0.003
C4H6S Thiophene, 2,5-dihydro- 1.085 0.003
C4H8 cyclobutane 1.091 0.003
C5H6 1-Buten-3-yne, 2-methyl- 1.090 0.003
C2H5Br Ethyl bromide 1.087 0.003
C2H5N Aziridine 1.083 0.003
CH3SCH2CH3 Ethane, (methylthio)- 1.090 0.003
CH4 Methane 1.087 0.003
CH2CHOH ethenol 1.079 0.003
C2H2 Acetylene 1.063 0.003
CH3NO2 Methane, nitro- 1.088 0.003
C3H7SH 1-Propanethiol 1.090 0.003
C2H4S Thiirane 1.083 0.003
C3H4 cyclopropene 1.088 0.003
CH2NOH formaldoxime 1.085 0.003
C3H7SH 1-Propanethiol 1.092 0.003
C6H6 Benzene 1.084 0.003
CH3I methyl iodide 1.084 0.004
C2H4O Ethylene oxide 1.084 0.004
CH2CHCHO Acrolein 1.081 0.004
CH3CH2SH ethanethiol 1.091 0.004
C2H4F2 1,2-difluoroethane 1.093 0.004
C4H6 Cyclobutene 1.083 0.004
C2H5N Aziridine 1.084 0.004
C6H5F Fluorobenzene 1.083 0.004
C2H2F2 Ethene, 1,2-difluoro-, (E)- 1.080 0.004
CH3SCH2CH3 Ethane, (methylthio)- 1.089 0.004
C4H10O Propane, 2-methoxy- 1.090 0.004
C6H12 Cyclohexane 1.093 0.004
CH3COF Acetyl fluoride 1.084 0.004
C4H4S Thiophene 1.079 0.004
C2H3 vinyl 1.085 0.004
C2H3Br vinyl bromide 1.080 0.004
CH3CH2Cl Ethyl chloride 1.090 0.004
CH3CHO Acetaldehyde 1.086 0.004
CHOCHCHCH3 2-Butenal 1.084 0.004
CH3CHFCH3 2-Fluoropropane 1.092 0.004
C6H5OH phenol 1.082 0.004
H2CS Thioformaldehyde 1.087 0.005
CH3CH2Cl Ethyl chloride 1.086 0.005
C5H6 1-Buten-3-yne, 2-methyl- 1.081 0.005
CH3CHSHCH3 2-Propanethiol 1.091 0.005
C6H5CH3 toluene 1.083 0.005
C6H5CN phenyl cyanide 1.082 0.005
C2H6O2 1,2-Ethanediol 1.093 0.005
CHClCHCl Ethene, 1,2-dichloro-, (E)- 1.075 0.005
C6H5F Fluorobenzene 1.081 0.005
C6H6 Benzvalene 1.082 0.005
SiH2(CH3)2 dimethylsilane 1.089 0.005
C10H8 Azulene 1.084 0.005
C3H8 Propane 1.089 0.005
C2H2+ acetylene cation 1.077 0.005
CH3F Methyl fluoride 1.087 0.005
C6H5NH2 aniline 1.084 0.005
C6H8 Bicyclo[3.1.0]hex-2-ene 1.082 0.005
C2H5CN ethyl cyanide 1.087 0.005
H2CCCCH2 Butatriene 1.083 0.005
CHOCHCHCH3 2-Butenal 1.108 0.005
CH3S thiomethoxy 1.090 0.005
CH3Br methyl bromide 1.082 0.005
C6H5Cl chlorobenzene 1.082 0.005
C4H5N Pyrrole 1.076 0.005
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.091 0.005
HCN Hydrogen cyanide 1.064 0.005
C6H6 Benzvalene 1.078 0.005
C2H3Cl Ethene, chloro- 1.079 0.005
C10H16 adamantane 1.093 0.005
CH2CHF Ethene, fluoro- 1.077 0.006
C6H5OH phenol 1.084 0.006
CH3OCH3 Dimethyl ether 1.085 0.006
C6H6 Benzvalene 1.078 0.006
CH3CHFCH3 2-Fluoropropane 1.088 0.006
HCCCN Cyanoacetylene 1.062 0.006
CH3CH2OH Ethanol 1.088 0.006
C6H10O cyclohexanone 1.088 0.006
C6H5Cl chlorobenzene 1.081 0.006
C6H6 Fulvene 1.080 0.006
C2H3Br vinyl bromide 1.080 0.006
C4H4N2 1,3-Diazine 1.082 0.006
C4H4N2 Pyrazine 1.083 0.006
C10H8 Azulene 1.080 0.006
CH3CHS Thioacetaldehyde 1.089 0.006
C5H10 Cyclopropane, 1,1-dimethyl- 1.080 0.006
CHOCHCHCH3 2-Butenal 1.086 0.006
C2H5CN ethyl cyanide 1.088 0.006
C6H5CH3 toluene 1.081 0.006
C10H8 Azulene 1.081 0.006
CH3NHCH3 Dimethylamine 1.098 0.006
C6H5CN phenyl cyanide 1.080 0.007
C6H5F Fluorobenzene 1.080 0.007
C3H4 cyclopropene 1.072 0.007
CH3CCH propyne 1.060 0.007
CH3SCH2CH3 Ethane, (methylthio)- 1.087 0.007
C4H5N (E)-2-Butenenitrile 1.081 0.007
C4H4Se selenophene 1.079 0.007
CH2F2 Methane, difluoro- 1.084 0.007
C5H6 Cyclopropylacetylene 1.080 0.007
C6H5Cl chlorobenzene 1.079 0.007
C6H8 Bicyclo[3.1.0]hex-2-ene 1.091 0.007
C6H6 Fulvene 1.078 0.007
CHF2CHF2 1,1,2,2-tetrafluoroethane 1.087 0.007
C5H10 2-Pentene, (E)- 1.082 0.007
C6H5CN phenyl cyanide 1.080 0.007
CH3NH2 methyl amine 1.093 0.007
CH3CH2O Ethoxy radical 1.085 0.008
C6H8 Bicyclo[3.1.0]hex-2-ene 1.078 0.008
C6H5CH3 toluene 1.081 0.008
CH3CH2O Ethoxy radical 1.086 0.009
CH2CCl2 Ethene, 1,1-dichloro- 1.070 0.009
C10H8 Azulene 1.081 0.009
HCP Phosphaethyne 1.067 0.009
CH2Br2 dibromomethane 1.079 0.009
C3H6O Propylene oxide 1.082 0.009
CH3NHCH3 Dimethylamine 1.084 0.009
CH3OCl methyl hypochlorite 1.086 0.009
CH3CHNOH Acetaldoxime 1.085 0.009
C4H2 Diacetylene 1.058 0.009
GeH3CH3 methyl germane 1.083 0.010
C4H4N2 1,3-Diazine 1.079 0.010
C10H8 Azulene 1.083 0.010
CH2NH Methanimine 1.081 0.010
C3H4O Methylketene 1.083 0.010
HCS+ Thioformyl cation 1.079 0.010
CH3CHF2 Ethane, 1,1-difluoro- 1.081 0.010
HCCCl Chloroacetylene 1.055 0.011
HCCF Fluoroacetylene 1.053 0.011
HCCBr bromoacetylene 1.055 0.011
C5H6 Cyclopropylacetylene 1.055 0.011
C5H8 1,3-Butadiene, 2-methyl- 1.076 0.011
C6H5OH phenol 1.076 0.011
C6H5CCH phenylacetylene 1.055 0.011
C8H8 cyclooctatetraene 1.079 0.012
C4H4Se selenophene 1.070 0.013
C5H6S Thiophene, 3-methyl- 1.081 0.013
CH3CH2O Ethoxy radical 1.088 0.013
CH3CH2OH Ethanol 1.086 0.013
CH2NCH3 N-methylmethanimine 1.089 0.014
C3H7N Cyclopropylamine 1.080 0.014
C6H5Br bromobenzene 1.072 0.014
C4H9N Pyrrolidine 1.090 0.015
N(CH3)3 Trimethylamine 1.088 0.018
C4H4N2 Pyridazine 1.064 0.019
C3H5 Allyl radical 1.069 0.019
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.072 0.020
C2H Ethynyl radical 1.047 0.020
C5H10 2-Pentene, (Z)- 1.058 0.033
CH3SOCH3 Dimethyl sulfoxide 1.054 0.037
HCO Formyl radical 1.080 0.044
C4H4N2O2 Uracil 0.957 0.128
C4H4N2O2 Uracil 0.931 0.150
C4H10O Methyl propyl ether 1.099 0.317
C3H3NO Isoxazole 1.075 0.339
C4H6 1-Methylcyclopropene 1.070 0.437
C4H6 1-Methylcyclopropene 1.098 0.665
C4H6 1-Methylcyclopropene 1.098 0.681
C4H8S Thiophene, tetrahydro- 1.117 0.714
C4H6 1-Methylcyclopropene 1.087 0.739
C3H6O 2-Propen-1-ol 1.096 1.004
C3H3NO Oxazole 1.075 1.073
C3H3NO Oxazole 1.075 1.133
C3H6O 2-Propen-1-ol 1.102 1.254
C4H10O Ethanol, 1,1-dimethyl- 1.117 1.307
C3H6O 2-Propen-1-ol 1.078 1.422
C3H6O 2-Propen-1-ol 1.091 1.669
C5H8O Cyclopentanone 1.095 1.695
C3H3NO Oxazole 1.073 2.083
C4H6 1-Methylcyclopropene 1.087 2.335
C3H6O 2-Propen-1-ol 1.092 2.402
C4H6 1-Methylcyclopropene 1.085 3.139
C5H8O Methyl cyclopropyl ketone 1.126 4.312