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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
-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-0.049
Most positive difference C4H6 1-Methylcyclopropene3.130

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C3H8O2 1,3-Propanediol 1.140 -0.049
C6H6 Fulvene 1.130 -0.048
C3H5Cl3 Propane, 1,2,3-trichloro- 1.131 -0.043
C5H8O Methyl cyclopropyl ketone 1.126 -0.040
CH3CONH2 Acetamide 1.124 -0.039
CHOCH(CH3)CH3 Propanal, 2-methyl- 1.127 -0.038
CH2SHCH2SH 1,2-Ethanedithiol 1.120 -0.031
C2H2O2 Ethanedial 1.132 -0.031
C4H6O2 2,3-Butanedione 1.114 -0.028
C6H14 Hexane 1.118 -0.028
HCONHCH3 N-methylformamide 1.114 -0.028
C2H6N2O2 Dimethylnitroamine 1.121 -0.028
CHBr3 bromoform 1.110 -0.027
C2H3CCH 1-Buten-3-yne 1.090 -0.027
CH2ClCHClCH3 Propane, 1,2-dichloro- 1.113 -0.027
C3H7NO dimethylformamide 1.112 -0.027
CH3CCCH3 2-Butyne 1.116 -0.027
C7H16 heptane 1.121 -0.026
C2H3CCH 1-Buten-3-yne 1.106 -0.026
CH2ClCH2Cl Ethane, 1,2-dichloro- 1.112 -0.026
C4H5N Cyclopropanecarbonitrile 1.107 -0.026
C5H12O Butane, 1-methoxy- 1.115 -0.026
CH2ClCH2CH3 Propane, 1-chloro- 1.113 -0.025
Si(CH3)4 tetramethylsilane 1.115 -0.025
C2HF3 Trifluoroethylene 1.100 -0.025
C6H12 (E)-3-methylpent-2-ene 1.116 -0.025
CH3OCl methyl hypochlorite 1.111 -0.024
CH3CH2CH2CH3 Butane 1.117 -0.024
C5H12 Pentane 1.118 -0.023
C5H10 Cyclopentane 1.114 -0.023
C5H8 Spiropentane 1.105 -0.023
C5H12 Propane, 2,2-dimethyl- 1.114 -0.023
C5H6 Propellane 1.106 -0.023
C4H10O2 Ethane, 1,2-dimethoxy- 1.109 -0.022
C5H10O 2-Butanone, 3-methyl- 1.113 -0.022
C3H6S3 1,3,5-Trithiane 1.114 -0.022
C5H10S 2H-Thiopyran, tetrahydro- 1.114 -0.022
C5H8 1,3-Butadiene, 2-methyl- 1.110 -0.022
CH2ClCH2CH2CH3 Butane, 1-chloro- 1.110 -0.022
CHClCHCl Ethene, 1,2-dichloro-, (Z)- 1.101 -0.022
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.102 -0.022
C5H10O 2H-Pyran, tetrahydro- 1.116 -0.021
CH3CHClCH2CH3 Butane, 2-chloro- 1.110 -0.021
C7H12 Norbornane 1.113 -0.021
C4H8O2 Ethyl acetate 1.105 -0.020
N(CH3)3 Trimethylamine 1.109 -0.020
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.098 -0.020
CH3COCl Acetyl Chloride 1.105 -0.019
C6H8 (Z)-hexa-1,3,5-triene 1.104 -0.018
C3H2N2 Malononitrile 1.109 -0.018
CH3SH Methanethiol 1.104 -0.018
CH3COCH3 Acetone 1.103 -0.017
CH3CN Acetonitrile 1.104 -0.017
C5H8 1,4-Pentadiene 1.110 -0.016
CH2CF2 Ethene, 1,1-difluoro- 1.091 -0.016
CH2CHOH ethenol 1.097 -0.016
C2H8N2 Ethylenediamine 1.109 -0.016
CH3COOH Acetic acid 1.100 -0.016
CH3CH2NH2 Ethylamine 1.107 -0.016
CH3O Methoxy radical 1.112 -0.015
C5H8 Ethenylcyclopropane 1.099 -0.015
CH3CH2CHO Propanal 1.103 -0.015
CH3CCl2CH3 Propane, 2,2-dichloro- 1.101 -0.014
C3H8O2 Methane, dimethoxy- 1.108 -0.014
C4H8O2 1,3-Dioxolane, 2-methyl- 1.102 -0.014
CH3ONO Methyl nitrite 1.102 -0.014
CH3CH(CH3)CH3 Isobutane 1.108 -0.013
C5H11N Piperidine 1.105 -0.013
C12H8 biphenylene 1.096 -0.013
CH3CHNOH Acetaldoxime 1.100 -0.013
CH2NH Methanimine 1.103 -0.012
HCCl Chloromethylene 1.119 -0.012
CH2N2 diazirine 1.090 -0.012
C4H6O Cyclobutanone 1.100 -0.012
C5H8 Cyclobutane, methylene- 1.101 -0.011
C3H6S Thietane 1.100 -0.011
C5H6 1-Buten-3-yne, 2-methyl- 1.091 -0.011
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 1.089 -0.011
CH2 Methylene 1.085 -0.011
H2CO Formaldehyde 1.111 -0.011
C2H3Cl Ethene, chloro- 1.090 -0.011
CH3CH2CHO Propanal 1.105 -0.010
CH3CH2OH Ethanol 1.098 -0.010
CH2CS Thioketene 1.090 -0.010
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.010
CH2CHF Ethene, fluoro- 1.087 -0.010
CH3OH Methyl alcohol 1.096 -0.010
C8H8 cubane 1.097 -0.009
C6H5CH2CH3 Ethylbenzene 1.094 -0.009
C2H4F2 1,2-difluoroethane 1.099 -0.009
C4H8O2 1,3-Dioxane 1.095 -0.009
C3H6O 2-Propen-1-ol 1.091 -0.009
C2H3Br vinyl bromide 1.088 -0.009
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.087 -0.009
CH3CH2CHO Propanal 1.115 -0.009
CH2PH Phosphaethene 1.090 -0.009
C5H6S Thiophene, 3-methyl- 1.090 -0.008
CH3CH(CH3)CH3 Isobutane 1.100 -0.008
C5H8O 2H-Pyran, 3,4-dihydro- 1.090 -0.008
CH3NO3 Methyl nitrate 1.095 -0.008
C3H6O 2-Propen-1-ol 1.092 -0.008
CH3CHO Acetaldehyde 1.114 -0.008
CH3SSCH3 Disulfide, dimethyl 1.097 -0.008
C3H5ClO Oxirane, (chloromethyl)- 1.095 -0.008
CH3NHCH3 Dimethylamine 1.098 -0.008
CH3CH2CHO Propanal 1.096 -0.008
CH3PH2 Methyl phosphine 1.094 -0.008
CH2PH Phosphaethene 1.090 -0.007
C4H6 Methylenecyclopropane 1.090 -0.007
CH3OCHO methyl formate 1.101 -0.007
CH3NC methyl isocyanide 1.094 -0.007
CH2NOH formaldoxime 1.086 -0.007
CH3CCH propyne 1.096 -0.007
CH2CO Ketene 1.083 -0.007
CH3SiH3 methyl silane 1.096 -0.007
C6H12 Cyclohexane 1.101 -0.007
CH3ONO Methyl nitrite 1.090 -0.007
C6H8 Bicyclo[3.1.0]hex-2-ene 1.089 -0.006
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.088 -0.006
C4H6 Methylenecyclopropane 1.088 -0.006
CH3COCH2CH3 2-Butanone 1.095 -0.006
CH3SeCH3 dimethylselenide 1.093 -0.006
CH3CHS Thioacetaldehyde 1.098 -0.006
CH2CHCHO Acrolein 1.113 -0.006
C4H4N2 1,3-Diazine 1.087 -0.006
CH3CCl3 Ethane, 1,1,1-trichloro- 1.093 -0.006
CH2CHCHO Acrolein 1.089 -0.006
CH3NO nitrosomethane 1.094 -0.006
CH3SCH2CH3 Ethane, (methylthio)- 1.097 -0.006
CH2CHCH2CH3 1-Butene 1.095 -0.006
C3H4N2 1H-Pyrazole 1.083 -0.006
C3H4N2 1H-Pyrazole 1.082 -0.006
CH2CCH2 allene 1.087 -0.006
CH3COCH2CH3 2-Butanone 1.096 -0.006
CH3Cl Methyl chloride 1.090 -0.006
C3H8O2 Propylene glycol 1.095 -0.006
CH3COCH2CH3 2-Butanone 1.093 -0.005
C6H10 cyclohexene 1.090 -0.005
C2H4 Ethylene 1.086 -0.005
C4H5N (E)-2-Butenenitrile 1.090 -0.005
CH2BrF Methane, bromofluoro- 1.090 -0.005
CH3CHFCH3 2-Fluoropropane 1.093 -0.005
CH3CHFCH3 2-Fluoropropane 1.094 -0.005
CH3COCH2CH3 2-Butanone 1.091 -0.005
C3H7SH 1-Propanethiol 1.094 -0.005
CH3CHCl2 Ethane, 1,1-dichloro- 1.090 -0.005
H2NCH2COOH Glycine 1.096 -0.005
CHF3 Methane, trifluoro- 1.091 -0.005
CH2CHOH ethenol 1.086 -0.005
C3H6O 2-Propen-1-ol 1.102 -0.005
HFCO formyl fluoride 1.095 -0.005
C3H3N acrylonitrile 1.086 -0.005
CH3 Methyl radical 1.079 -0.005
C4H6O Furan, 2,5-dihydro- 1.100 -0.004
C2H2ClF 1-chloro-1-fluoroethylene 1.082 -0.004
C3H4N2 1H-Pyrazole 1.080 -0.004
CH(CN)3 tricyanomethane 1.100 -0.004
C2H5F fluoroethane 1.095 -0.004
C6H10 cyclohexene 1.100 -0.004
CHF2Cl difluorochloromethane 1.090 -0.004
CH2FCl fluorochloromethane 1.090 -0.004
CH3OC2H5 Ethane, methoxy- 1.092 -0.004
CH3SOCH3 Dimethyl sulfoxide 1.093 -0.004
HCOOH Formic acid 1.097 -0.004
C5H8 Cyclopentene 1.095 -0.004
C5H8 Bicyclo[2.1.0]pentane 1.085 -0.004
C4H6S Thiophene, 2,5-dihydro- 1.095 -0.004
C3H8 Propane 1.096 -0.004
CH2O2 Dioxirane 1.090 -0.004
C2H6O2S Dimethyl sulfone 1.091 -0.004
CH3OC2H5 Ethane, methoxy- 1.099 -0.004
C6H8 1,4-Cyclohexadiene 1.100 -0.004
C3H8 Propane 1.094 -0.004
CHFClBr fluorochlorobromomethane 1.088 -0.004
CH3SCH3 Dimethyl sulfide 1.091 -0.004
CH3OCH3 Dimethyl ether 1.099 -0.004
C3H4O Cyclopropanone 1.086 -0.004
CH2CHCH2CH3 1-Butene 1.090 -0.004
CH3CHS Thioacetaldehyde 1.090 -0.004
CH3SCH2CH3 Ethane, (methylthio)- 1.092 -0.003
C5H10 Cyclopropane, 1,1-dimethyl- 1.095 -0.003
HOCH2COOH Hydroxyacetic acid 1.097 -0.003
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.003
C2H3 vinyl 1.080 -0.003
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.095 -0.003
C5H8 Cyclopentene 1.085 -0.003
C4H6 Cyclobutene 1.094 -0.003
C4H10O Propane, 2-methoxy- 1.095 -0.003
C4H8 cyclobutane 1.093 -0.003
C3H6 Cyclopropane 1.083 -0.003
C5H6 1-Buten-3-yne, 2-methyl- 1.065 -0.003
CH3NO3 Methyl nitrate 1.088 -0.003
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.092 -0.003
CH3NO nitrosomethane 1.092 -0.003
C5H4O2 4-Cyclopentene-1,3-dione 1.093 -0.003
C4H10O Ethoxy ethane 1.092 -0.003
CH Methylidyne 1.120 -0.003
C4H6S Thiophene, 2,5-dihydro- 1.085 -0.003
C2H5F fluoroethane 1.090 -0.003
CH3OCHO methyl formate 1.086 -0.002
C2H5N Aziridine 1.083 -0.002
C4H10O Propane, 2-methoxy- 1.095 -0.002
C4H10O Ethoxy ethane 1.100 -0.002
C4H10O Ethoxy ethane 1.090 -0.002
C2H5Br Ethyl bromide 1.093 -0.002
C4H4N2 Succinonitrile 1.092 -0.002
C5H10 2-Pentene, (Z)- 1.092 -0.002
C2H6 Ethane 1.091 -0.002
CH3SeH Methane selenol 1.088 -0.002
CH2CHOH ethenol 1.079 -0.002
CH3OC2H5 Ethane, methoxy- 1.100 -0.002
CH3NO2 Methane, nitro- 1.088 -0.002
CH3CH2Cl Ethyl chloride 1.089 -0.002
CHOCHCHCH3 2-Butenal 1.090 -0.002
CH3CHClCH3 Propane, 2-chloro- 1.091 -0.002
C4H8 cyclobutane 1.091 -0.002
CH2CHCHO Acrolein 1.084 -0.002
C5H6 1-Buten-3-yne, 2-methyl- 1.090 -0.002
C3H6O Propylene oxide 1.090 -0.002
C2H2F2 Ethene, 1,2-difluoro-, (E)- 1.080 -0.002
C2H4S Thiirane 1.083 -0.002
CH3CH(CH3)CH3 Isobutane 1.092 -0.002
C2H5N Aziridine 1.084 -0.002
C2H5F fluoroethane 1.091 -0.002
CH2NN diazomethane 1.075 -0.002
CH3CHClCH3 Propane, 2-chloro- 1.092 -0.002
CHClCCl2 Trichloroethylene 1.080 -0.002
CH4 Methane 1.087 -0.002
CH2Cl2 Methylene chloride 1.085 -0.002
C4H5N (E)-2-Butenenitrile 1.090 -0.002
CH2CHF Ethene, fluoro- 1.082 -0.001
C4H4S Thiophene 1.079 -0.001
CH3SCH2CH3 Ethane, (methylthio)- 1.090 -0.001
C6H6 Benzene 1.084 -0.001
C2H4F2 1,2-difluoroethane 1.093 -0.001
C4H6 Cyclobutene 1.083 -0.001
C3H4 cyclopropene 1.088 -0.001
C2H5Br Ethyl bromide 1.087 -0.001
C6H12 Cyclohexane 1.093 -0.001
CH2NOH formaldoxime 1.085 -0.001
C5H8O Cyclopentanone 1.095 -0.001
H2CS Thioformaldehyde 1.087 -0.001
CH2CHCHO Acrolein 1.081 -0.001
C2H3Br vinyl bromide 1.080 -0.001
CH3CH2SH ethanethiol 1.091 -0.001
C6H5F Fluorobenzene 1.083 -0.001
H2CCCCH2 Butatriene 1.083 -0.001
C2H2 Acetylene 1.063 -0.001
C2H4O Ethylene oxide 1.084 -0.001
CHOCHCHCH3 2-Butenal 1.108 -0.001
CHOCHCHCH3 2-Butenal 1.084 -0.000
CH3SCH2CH3 Ethane, (methylthio)- 1.089 -0.000
C3H7SH 1-Propanethiol 1.092 -0.000
CH3CH2Cl Ethyl chloride 1.090 -0.000
C6H8 Bicyclo[3.1.0]hex-2-ene 1.082 -0.000
C3H7SH 1-Propanethiol 1.090 -0.000
C6H5OH phenol 1.082 -0.000
C4H10O Propane, 2-methoxy- 1.090 -0.000
C3H3NO Oxazole 1.075 -0.000
CH3COF Acetyl fluoride 1.084 -0.000
C6H6 Benzvalene 1.082 -0.000
C6H6 Benzvalene 1.078 -0.000
C6H5CN phenyl cyanide 1.082 0.000
SiH2(CH3)2 dimethylsilane 1.089 0.000
C3H6O 2-Propen-1-ol 1.096 0.000
C6H5NH2 aniline 1.084 0.000
C6H5F Fluorobenzene 1.081 0.000
C5H6 1-Buten-3-yne, 2-methyl- 1.081 0.000
CH3CHO Acetaldehyde 1.086 0.000
C2H3Cl Ethene, chloro- 1.079 0.000
C3H3NO Oxazole 1.073 0.000
CH3OC2H5 Ethane, methoxy- 1.089 0.000
C3H3NO Oxazole 1.075 0.000
C4H4N2 Pyrazine 1.083 0.000
C4H5N Pyrrole 1.076 0.000
C3H8 Propane 1.089 0.000
C6H6 Fulvene 1.080 0.000
C10H8 Azulene 1.084 0.000
C6H5Cl chlorobenzene 1.082 0.000
C6H6 Benzvalene 1.078 0.001
C2H3Br vinyl bromide 1.080 0.001
C6H5OH phenol 1.084 0.001
CH3OC2H5 Ethane, methoxy- 1.086 0.001
CH3CH2Cl Ethyl chloride 1.086 0.001
CH3Br methyl bromide 1.082 0.001
C2H6O2 1,2-Ethanediol 1.093 0.001
CH3CHS Thioacetaldehyde 1.089 0.001
HCN Hydrogen cyanide 1.064 0.001
C10H8 Azulene 1.080 0.001
CH3COCH2CH3 2-Butanone 1.093 0.001
C6H5Cl chlorobenzene 1.081 0.001
CH2CHF Ethene, fluoro- 1.077 0.001
CH3NHCH3 Dimethylamine 1.098 0.001
CH3CHFCH3 2-Fluoropropane 1.092 0.001
CH3CH2OH Ethanol 1.088 0.001
CH3CHFCH3 2-Fluoropropane 1.088 0.001
CH3S thiomethoxy 1.090 0.001
C6H10O cyclohexanone 1.088 0.001
CH3CHSHCH3 2-Propanethiol 1.091 0.001
C2H2+ acetylene cation 1.077 0.001
C2H3 vinyl 1.085 0.001
CH3F Methyl fluoride 1.087 0.001
CHOCHCHCH3 2-Butenal 1.086 0.001
C10H16 adamantane 1.093 0.001
C4H4N2 1,3-Diazine 1.082 0.001
C2H5CN ethyl cyanide 1.087 0.001
C10H8 Azulene 1.081 0.001
C6H6 Fulvene 1.078 0.002
C5H10 Cyclopropane, 1,1-dimethyl- 1.080 0.002
CH3OCH3 Dimethyl ether 1.085 0.002
HCCCN Cyanoacetylene 1.062 0.002
C6H5CN phenyl cyanide 1.080 0.002
C6H5F Fluorobenzene 1.080 0.002
HCS+ Thioformyl cation 1.079 0.002
CHF2CHF2 1,1,2,2-tetrafluoroethane 1.087 0.002
C4H5N (E)-2-Butenenitrile 1.081 0.002
CH3SCH2CH3 Ethane, (methylthio)- 1.087 0.002
C3H4 cyclopropene 1.072 0.002
C4H4Se selenophene 1.079 0.002
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.091 0.002
CH3CCH propyne 1.060 0.002
C3H6O 2-Propen-1-ol 1.078 0.002
C5H10 2-Pentene, (E)- 1.082 0.002
C6H5Cl chlorobenzene 1.079 0.002
C5H6 Cyclopropylacetylene 1.080 0.003
C6H5CN phenyl cyanide 1.080 0.003
CH3CHNOH Acetaldoxime 1.085 0.003
C2H5CN ethyl cyanide 1.088 0.003
CH3NH2 methyl amine 1.093 0.003
CH3CH2O Ethoxy radical 1.085 0.003
C6H8 Bicyclo[3.1.0]hex-2-ene 1.091 0.003
CH2Br2 dibromomethane 1.079 0.003
CH3CH2O Ethoxy radical 1.086 0.004
CH3OCl methyl hypochlorite 1.086 0.004
C6H8 Bicyclo[3.1.0]hex-2-ene 1.078 0.004
CHClCHCl Ethene, 1,2-dichloro-, (E)- 1.075 0.004
C10H8 Azulene 1.081 0.004
CH2F2 Methane, difluoro- 1.084 0.004
HCP Phosphaethyne 1.067 0.005
CH3NHCH3 Dimethylamine 1.084 0.005
GeH3CH3 methyl germane 1.083 0.005
CH3CF3 Ethane, 1,1,1-trifluoro- 1.081 0.005
CH2NH Methanimine 1.081 0.005
C10H8 Azulene 1.083 0.005
C3H6O Propylene oxide 1.082 0.005
C4H4N2 1,3-Diazine 1.079 0.005
C4H2 Diacetylene 1.058 0.005
C5H8 1,3-Butadiene, 2-methyl- 1.076 0.006
CH3CHF2 Ethane, 1,1-difluoro- 1.081 0.006
C6H10 1-Butyne, 3,3-dimethyl- 1.056 0.007
C6H5OH phenol 1.076 0.007
HCCCl Chloroacetylene 1.055 0.007
HCCBr bromoacetylene 1.055 0.007
HCCF Fluoroacetylene 1.053 0.007
C8H8 cyclooctatetraene 1.079 0.007
CH2NCH3 N-methylmethanimine 1.089 0.007
C5H6 Cyclopropylacetylene 1.055 0.007
C6H5CCH phenylacetylene 1.055 0.008
C4H4Se selenophene 1.070 0.008
C3H7N Cyclopropylamine 1.080 0.008
CH2CCl2 Ethene, 1,1-dichloro- 1.070 0.008
C5H6S Thiophene, 3-methyl- 1.081 0.008
C6H5Br bromobenzene 1.072 0.009
CH3CH2O Ethoxy radical 1.088 0.010
CH3CH2OH Ethanol 1.086 0.010
C4H9N Pyrrolidine 1.090 0.011
CH3CCl(CH3)CH3 Propane, 2-chloro-2-methyl- 1.078 0.013
N(CH3)3 Trimethylamine 1.088 0.014
C2H Ethynyl radical 1.047 0.014
C3H5 Allyl radical 1.069 0.015
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.072 0.017
C4H4N2 Pyridazine 1.064 0.018
C5H10 2-Pentene, (Z)- 1.058 0.029
CH3SOCH3 Dimethyl sulfoxide 1.054 0.033
HCO Formyl radical 1.080 0.038
C4H10O Methyl propyl ether 1.099 0.316
C3H3NO Isoxazole 1.075 0.339
C4H6 1-Methylcyclopropene 1.070 0.437
C4H6 1-Methylcyclopropene 1.098 0.659
C4H6 1-Methylcyclopropene 1.098 0.674
C4H6 1-Methylcyclopropene 1.087 0.732
C4H6 1-Methylcyclopropene 1.087 2.329
C4H6 1-Methylcyclopropene 1.085 3.130