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Compare Bonds

18 10 26 16 45

MP2/6-31+G** 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-Methylcyclopropene3.133

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C3H8O2 1,3-Propanediol 1.140 -0.049
C3H5Cl3 Propane, 1,2,3-trichloro- 1.131 -0.042
C5H8O Methyl cyclopropyl ketone 1.126 -0.039
CH3CONH2 Acetamide 1.124 -0.039
CHOCH(CH3)CH3 Propanal, 2-methyl- 1.127 -0.036
C2H2O2 Ethanedial 1.132 -0.032
CH2SHCH2SH 1,2-Ethanedithiol 1.120 -0.031
C4H6O2 2,3-Butanedione 1.114 -0.028
C2H6N2O2 Dimethylnitroamine 1.121 -0.028
C6H14 Hexane 1.118 -0.028
HCONHCH3 N-methylformamide 1.114 -0.027
CHBr3 bromoform 1.110 -0.027
CH2ClCHClCH3 Propane, 1,2-dichloro- 1.113 -0.027
C2H3CCH 1-Buten-3-yne 1.090 -0.027
CH3CCCH3 2-Butyne 1.116 -0.026
C3H7NO dimethylformamide 1.112 -0.026
HCF Fluoromethylene 1.138 -0.026
C7H16 heptane 1.121 -0.026
C4H5N Cyclopropanecarbonitrile 1.107 -0.026
CH2ClCH2Cl Ethane, 1,2-dichloro- 1.112 -0.026
C2H3CCH 1-Buten-3-yne 1.106 -0.025
CH2ClCH2CH3 Propane, 1-chloro- 1.113 -0.025
C5H12O Butane, 1-methoxy- 1.115 -0.025
C2HF3 Trifluoroethylene 1.100 -0.024
C6H12 (E)-3-methylpent-2-ene 1.116 -0.024
CH3OCl methyl hypochlorite 1.111 -0.024
Si(CH3)4 tetramethylsilane 1.115 -0.023
CH3CH2CH2CH3 Butane 1.117 -0.023
C5H6 Propellane 1.106 -0.022
C5H12 Pentane 1.118 -0.022
C5H8 Spiropentane 1.105 -0.022
C5H10 Cyclopentane 1.114 -0.022
C4H10O2 Ethane, 1,2-dimethoxy- 1.109 -0.022
C5H12 Propane, 2,2-dimethyl- 1.114 -0.022
CH2ClCH2CH2CH3 Butane, 1-chloro- 1.110 -0.022
C3H6S3 1,3,5-Trithiane 1.114 -0.021
C5H10O 2-Butanone, 3-methyl- 1.113 -0.021
C5H10S 2H-Thiopyran, tetrahydro- 1.114 -0.021
C5H8 1,3-Butadiene, 2-methyl- 1.110 -0.021
CHClCHCl Ethene, 1,2-dichloro-, (Z)- 1.101 -0.021
C5H10O 2H-Pyran, tetrahydro- 1.116 -0.020
C7H12 Norbornane 1.113 -0.020
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.102 -0.020
CH3CHClCH2CH3 Butane, 2-chloro- 1.110 -0.020
C4H8O2 Ethyl acetate 1.105 -0.020
N(CH3)3 Trimethylamine 1.109 -0.020
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.098 -0.019
CH3COCl Acetyl Chloride 1.105 -0.019
C3H2N2 Malononitrile 1.109 -0.018
C6H8 (Z)-hexa-1,3,5-triene 1.104 -0.018
CH3SH Methanethiol 1.104 -0.017
CH3COCH3 Acetone 1.103 -0.017
CH3CN Acetonitrile 1.104 -0.016
CH2CHOH ethenol 1.097 -0.016
C2H8N2 Ethylenediamine 1.109 -0.016
C5H8 1,4-Pentadiene 1.110 -0.016
CH3CH2NH2 Ethylamine 1.107 -0.016
CH3COOH Acetic acid 1.100 -0.015
CH2CF2 Ethene, 1,1-difluoro- 1.091 -0.015
C5H8 Ethenylcyclopropane 1.099 -0.015
CH3O Methoxy radical 1.112 -0.015
C3H8O2 Methane, dimethoxy- 1.108 -0.015
CH3CH2CHO Propanal 1.103 -0.015
HCCl Chloromethylene 1.119 -0.015
CH3ONO Methyl nitrite 1.102 -0.014
CH3CCl2CH3 Propane, 2,2-dichloro- 1.101 -0.013
CH2NH Methanimine 1.103 -0.013
C4H8O2 1,3-Dioxolane, 2-methyl- 1.102 -0.013
CH3CH(CH3)CH3 Isobutane 1.108 -0.013
C12H8 biphenylene 1.096 -0.012
H2CO Formaldehyde 1.111 -0.012
C5H11N Piperidine 1.105 -0.012
CH2N2 diazirine 1.090 -0.012
C6H5NO2 Nitrobenzene 1.093 -0.012
C4H6O Cyclobutanone 1.100 -0.011
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 1.089 -0.011
CH2 Methylene 1.085 -0.011
C2H4F2 1,2-difluoroethane 1.099 -0.010
CH3OH Methyl alcohol 1.096 -0.010
C3H6S Thietane 1.100 -0.010
CH3CH2CHO Propanal 1.115 -0.010
C5H8 Cyclobutane, methylene- 1.101 -0.010
C2H3Cl Ethene, chloro- 1.090 -0.010
CH3CH2CHO Propanal 1.105 -0.010
CH3CHO Acetaldehyde 1.114 -0.009
CH3CH2OH Ethanol 1.098 -0.009
C5H6 1-Buten-3-yne, 2-methyl- 1.091 -0.009
CH2CS Thioketene 1.090 -0.009
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.009
CH2CHF Ethene, fluoro- 1.087 -0.009
C8H8 cubane 1.097 -0.009
C6H5CH2CH3 Ethylbenzene 1.094 -0.009
CH3OCHO methyl formate 1.101 -0.008
C3H6O 2-Propen-1-ol 1.091 -0.008
CH3NO3 Methyl nitrate 1.095 -0.008
C2H3Br vinyl bromide 1.088 -0.008
CH2CHCHO Acrolein 1.113 -0.008
C3H5ClO Oxirane, (chloromethyl)- 1.095 -0.008
CH2PH Phosphaethene 1.090 -0.008
C3H6O 2-Propen-1-ol 1.092 -0.008
CH3NHCH3 Dimethylamine 1.098 -0.007
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.087 -0.007
C5H8O 2H-Pyran, 3,4-dihydro- 1.090 -0.007
CH3NC methyl isocyanide 1.094 -0.007
CH3CH(CH3)CH3 Isobutane 1.100 -0.007
CH3SSCH3 Disulfide, dimethyl 1.097 -0.007
C5H6S Thiophene, 3-methyl- 1.090 -0.007
CH2NOH formaldoxime 1.086 -0.007
CH3CH2CHO Propanal 1.096 -0.007
CH2PH Phosphaethene 1.090 -0.007
C4H6 Methylenecyclopropane 1.090 -0.007
CH3CCH propyne 1.096 -0.007
C4H4N2 1,3-Diazine 1.087 -0.007
CH3PH2 Methyl phosphine 1.094 -0.007
C3H6O 2-Propen-1-ol 1.102 -0.007
CH Methylidyne 1.120 -0.006
CH3ONO Methyl nitrite 1.090 -0.006
CHF3 Methane, trifluoro- 1.091 -0.006
CH2CO Ketene 1.083 -0.006
CH3SiH3 methyl silane 1.096 -0.006
C2H5F fluoroethane 1.095 -0.006
C4H6 Methylenecyclopropane 1.088 -0.006
HFCO formyl fluoride 1.095 -0.006
CH2BrF Methane, bromofluoro- 1.090 -0.006
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.088 -0.006
CH2CHCHO Acrolein 1.089 -0.006
CH3CHS Thioacetaldehyde 1.098 -0.006
C6H12 Cyclohexane 1.101 -0.006
HCOOH Formic acid 1.097 -0.005
CH3Cl Methyl chloride 1.090 -0.005
CH3SeCH3 dimethylselenide 1.093 -0.005
CH2CCH2 allene 1.087 -0.005
CH2FCl fluorochloromethane 1.090 -0.005
CH3CCl3 Ethane, 1,1,1-trichloro- 1.093 -0.005
C6H8 Bicyclo[3.1.0]hex-2-ene 1.089 -0.005
CH3SCH2CH3 Ethane, (methylthio)- 1.097 -0.005
CHF2Cl difluorochloromethane 1.090 -0.005
CH3NO nitrosomethane 1.094 -0.005
CH2CHCH2CH3 1-Butene 1.095 -0.005
CH2O2 Dioxirane 1.090 -0.005
C3H4N2 1H-Pyrazole 1.083 -0.005
C4H4N2 1,3-Diazine 1.082 -0.005
C3H8O2 Propylene glycol 1.095 -0.005
H2NCH2COOH Glycine 1.096 -0.005
C2H4 Ethylene 1.086 -0.005
CH3CHFCH3 2-Fluoropropane 1.093 -0.005
C6H10 cyclohexene 1.090 -0.005
HOCH2COOH Hydroxyacetic acid 1.097 -0.004
CH3CHFCH3 2-Fluoropropane 1.094 -0.004
C4H6O Furan, 2,5-dihydro- 1.100 -0.004
C4H5N (E)-2-Butenenitrile 1.090 -0.004
C3H3N acrylonitrile 1.086 -0.004
CH2CHOH ethenol 1.086 -0.004
C3H4N2 1H-Pyrazole 1.082 -0.004
CH3CHCl2 Ethane, 1,1-dichloro- 1.090 -0.004
C6H8 1,4-Cyclohexadiene 1.100 -0.004
CH3OC2H5 Ethane, methoxy- 1.099 -0.004
CH3OCH3 Dimethyl ether 1.099 -0.004
C2H2ClF 1-chloro-1-fluoroethylene 1.082 -0.004
CH(CN)3 tricyanomethane 1.100 -0.004
C4H6S Thiophene, 2,5-dihydro- 1.095 -0.004
CHFClBr fluorochlorobromomethane 1.088 -0.004
C3H4N2 1H-Pyrazole 1.080 -0.004
CH3 Methyl radical 1.079 -0.004
C5H8 Cyclopentene 1.095 -0.004
C5H8 Bicyclo[2.1.0]pentane 1.085 -0.003
CH3OC2H5 Ethane, methoxy- 1.092 -0.003
CH3SOCH3 Dimethyl sulfoxide 1.093 -0.003
C3H8 Propane 1.096 -0.003
C2H6O2S Dimethyl sulfone 1.091 -0.003
C3H4O Cyclopropanone 1.086 -0.003
C4H10O Propane, 2-methoxy- 1.095 -0.003
CH3SCH3 Dimethyl sulfide 1.091 -0.003
C3H8 Propane 1.094 -0.003
C2H3 vinyl 1.080 -0.003
CH2CHCH2CH3 1-Butene 1.090 -0.003
C6H10 cyclohexene 1.100 -0.003
C5H10 Cyclopropane, 1,1-dimethyl- 1.095 -0.003
CH3NO3 Methyl nitrate 1.088 -0.003
C4H6 Cyclobutene 1.094 -0.003
CH3CHS Thioacetaldehyde 1.090 -0.003
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.003
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.095 -0.003
CH3SCH2CH3 Ethane, (methylthio)- 1.092 -0.003
C4H10O Ethoxy ethane 1.100 -0.003
C2H5N Aziridine 1.083 -0.002
C3H6 Cyclopropane 1.083 -0.002
CH3OCHO methyl formate 1.086 -0.002
CH3OC2H5 Ethane, methoxy- 1.100 -0.002
C4H8 cyclobutane 1.093 -0.002
C3H7SH 1-Propanethiol 1.094 -0.002
CH3NO nitrosomethane 1.092 -0.002
C2H4F2 1,2-difluoroethane 1.093 -0.002
C4H4N2 Succinonitrile 1.092 -0.002
C5H4O2 4-Cyclopentene-1,3-dione 1.093 -0.002
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.092 -0.002
CH2CHF Ethene, fluoro- 1.082 -0.002
C3H4O Methylketene 1.083 -0.002
C2H5F fluoroethane 1.090 -0.002
C2H2F2 Ethene, 1,2-difluoro-, (E)- 1.080 -0.002
C4H6S Thiophene, 2,5-dihydro- 1.085 -0.002
C5H8 Cyclopentene 1.085 -0.002
C4H10O Ethoxy ethane 1.092 -0.002
C3H4 cyclopropene 1.088 -0.001
C3H6O 2-Propen-1-ol 1.096 -0.001
CH3NO2 Methane, nitro- 1.088 -0.001
C2H5Br Ethyl bromide 1.093 -0.001
C4H10O Ethoxy ethane 1.090 -0.001
C2H5N Aziridine 1.084 -0.001
CH2Cl2 Methylene chloride 1.085 -0.001
CH2NN diazomethane 1.075 -0.001
C5H10 2-Pentene, (Z)- 1.092 -0.001
C2H4S Thiirane 1.083 -0.001
C2H6 Ethane 1.091 -0.001
CH3CHClCH3 Propane, 2-chloro- 1.091 -0.001
CH3CH2Cl Ethyl chloride 1.089 -0.001
C2H4O Ethylene oxide 1.084 -0.001
CH2CHCHO Acrolein 1.084 -0.001
C3H6O Propylene oxide 1.090 -0.001
CHOCHCHCH3 2-Butenal 1.090 -0.001
C4H8 cyclobutane 1.091 -0.001
CH2CHOH ethenol 1.079 -0.001
CHClCCl2 Trichloroethylene 1.080 -0.001
H2CS Thioformaldehyde 1.087 -0.001
CH3CH(CH3)CH3 Isobutane 1.092 -0.001
C4H5N (E)-2-Butenenitrile 1.090 -0.001
C5H6 1-Buten-3-yne, 2-methyl- 1.065 -0.001
CH3SeH Methane selenol 1.088 -0.001
C6H6 Benzene 1.084 -0.001
CH4 Methane 1.087 -0.001
CH3CHClCH3 Propane, 2-chloro- 1.092 -0.001
CH3SCH2CH3 Ethane, (methylthio)- 1.090 -0.001
C5H6 1-Buten-3-yne, 2-methyl- 1.090 -0.000
C4H4S Thiophene 1.079 -0.000
C2H5F fluoroethane 1.091 -0.000
C2H5Br Ethyl bromide 1.087 -0.000
H2CCCCH2 Butatriene 1.083 -0.000
CH3F Methyl fluoride 1.087 -0.000
C4H6 Cyclobutene 1.083 -0.000
CH2CHCHO Acrolein 1.081 -0.000
CH2NOH formaldoxime 1.085 -0.000
C6H5F Fluorobenzene 1.083 -0.000
C6H12 Cyclohexane 1.093 -0.000
C4H10O Propane, 2-methoxy- 1.095 -0.000
C5H8O Cyclopentanone 1.095 -0.000
CH3CHFCH3 2-Fluoropropane 1.092 -0.000
C2H3Br vinyl bromide 1.080 0.000
CH3CH2SH ethanethiol 1.091 0.000
C3H3NO Oxazole 1.075 0.000
CH3SCH2CH3 Ethane, (methylthio)- 1.089 0.000
C3H3NO Oxazole 1.075 0.000
C4H4N2 1,3-Diazine 1.079 0.000
C6H6 Benzvalene 1.082 0.000
C6H5OH phenol 1.082 0.000
CH3CH2Cl Ethyl chloride 1.090 0.000
C2H6O2 1,2-Ethanediol 1.093 0.001
C6H8 Bicyclo[3.1.0]hex-2-ene 1.082 0.001
C6H5CN phenyl cyanide 1.082 0.001
CH3OC2H5 Ethane, methoxy- 1.086 0.001
C2H2 Acetylene 1.063 0.001
C6H5F Fluorobenzene 1.081 0.001
CH3COF Acetyl fluoride 1.084 0.001
C6H5NH2 aniline 1.084 0.001
C4H10O Propane, 2-methoxy- 1.090 0.001
C6H6 Benzvalene 1.078 0.001
CH3CHO Acetaldehyde 1.086 0.001
C3H3NO Oxazole 1.073 0.001
C10H8 Azulene 1.084 0.001
C2H3Cl Ethene, chloro- 1.079 0.001
CH3CH2Cl Ethyl chloride 1.086 0.001
CHF2CHF2 1,1,2,2-tetrafluoroethane 1.087 0.001
C6H5Cl chlorobenzene 1.082 0.001
SiH2(CH3)2 dimethylsilane 1.089 0.001
C6H5OH phenol 1.084 0.001
C2H3Br vinyl bromide 1.080 0.001
CHOCHCHCH3 2-Butenal 1.084 0.001
C3H8 Propane 1.089 0.001
C4H4N2 Pyrazine 1.083 0.001
CH3OCH3 Dimethyl ether 1.085 0.001
CH3CHS Thioacetaldehyde 1.089 0.001
CH3OC2H5 Ethane, methoxy- 1.089 0.001
CH3Br methyl bromide 1.082 0.001
C5H6 1-Buten-3-yne, 2-methyl- 1.081 0.001
C6H6 Benzvalene 1.078 0.002
C2H2+ acetylene cation 1.077 0.002
C3H7SH 1-Propanethiol 1.092 0.002
C6H5Cl chlorobenzene 1.081 0.002
CHOCHCHCH3 2-Butenal 1.108 0.002
CH2CHF Ethene, fluoro- 1.077 0.002
C2H5CN ethyl cyanide 1.087 0.002
C10H8 Azulene 1.080 0.002
CH3CHSHCH3 2-Propanethiol 1.091 0.002
HCS+ Thioformyl cation 1.079 0.002
C10H8 Azulene 1.081 0.002
C4H5N Pyrrole 1.076 0.002
CH3S thiomethoxy 1.090 0.002
CH2F2 Methane, difluoro- 1.084 0.002
C2H3 vinyl 1.085 0.002
C10H16 adamantane 1.093 0.002
CH3NH2 methyl amine 1.093 0.002
CH3CH2OH Ethanol 1.088 0.002
CH3NHCH3 Dimethylamine 1.098 0.002
C5H10 Cyclopropane, 1,1-dimethyl- 1.080 0.002
C6H10O cyclohexanone 1.088 0.002
C6H5F Fluorobenzene 1.080 0.002
C6H5CN phenyl cyanide 1.080 0.002
CH3CHFCH3 2-Fluoropropane 1.088 0.002
HCN Hydrogen cyanide 1.064 0.003
C3H4 cyclopropene 1.072 0.003
C4H4Se selenophene 1.079 0.003
CHOCHCHCH3 2-Butenal 1.086 0.003
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.091 0.003
HCCCN Cyanoacetylene 1.062 0.003
C4H5N (E)-2-Butenenitrile 1.081 0.003
C3H6O 2-Propen-1-ol 1.078 0.003
CH3SCH2CH3 Ethane, (methylthio)- 1.087 0.003
C5H6 Cyclopropylacetylene 1.080 0.003
C2H5CN ethyl cyanide 1.088 0.003
C6H5Cl chlorobenzene 1.079 0.003
C6H5CN phenyl cyanide 1.080 0.003
C6H8 Bicyclo[3.1.0]hex-2-ene 1.091 0.003
CH3CCH propyne 1.060 0.003
CH2NH Methanimine 1.081 0.004
CH3OCl methyl hypochlorite 1.086 0.004
CH2Br2 dibromomethane 1.079 0.004
C10H8 Azulene 1.081 0.004
C5H10 2-Pentene, (E)- 1.082 0.005
C3H6O Propylene oxide 1.082 0.005
CHClCHCl Ethene, 1,2-dichloro-, (E)- 1.075 0.005
CH3NHCH3 Dimethylamine 1.084 0.005
C6H8 Bicyclo[3.1.0]hex-2-ene 1.078 0.005
C10H8 Azulene 1.083 0.005
CH3CF3 Ethane, 1,1,1-trifluoro- 1.081 0.005
HCP Phosphaethyne 1.067 0.005
GeH3CH3 methyl germane 1.083 0.006
C3H4O Methylketene 1.083 0.006
C4H2 Diacetylene 1.058 0.006
CH3CHF2 Ethane, 1,1-difluoro- 1.081 0.006
C5H8 1,3-Butadiene, 2-methyl- 1.076 0.007
C6H5OH phenol 1.076 0.007
C3H7SH 1-Propanethiol 1.090 0.007
C3H7N Cyclopropylamine 1.080 0.007
C8H8 cyclooctatetraene 1.079 0.008
CH2NCH3 N-methylmethanimine 1.089 0.008
HCCCl Chloroacetylene 1.055 0.008
C6H10 1-Butyne, 3,3-dimethyl- 1.056 0.008
HCCBr bromoacetylene 1.055 0.008
CH3CH2OH Ethanol 1.086 0.008
C4H4Se selenophene 1.070 0.009
HCCF Fluoroacetylene 1.053 0.009
CH2CCl2 Ethene, 1,1-dichloro- 1.070 0.009
C5H6 Cyclopropylacetylene 1.055 0.009
C6H5CCH phenylacetylene 1.055 0.009
C5H6S Thiophene, 3-methyl- 1.081 0.009
C6H5Br bromobenzene 1.072 0.010
C4H9N Pyrrolidine 1.090 0.012
CH3CCl(CH3)CH3 Propane, 2-chloro-2-methyl- 1.078 0.014
N(CH3)3 Trimethylamine 1.088 0.015
C3H5 Allyl radical 1.069 0.015
C2H Ethynyl radical 1.047 0.016
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 0.035
C4H10O Methyl propyl ether 1.099 0.321
C3H3NO Isoxazole 1.075 0.341
C4H6 1-Methylcyclopropene 1.070 0.440
C4H6 1-Methylcyclopropene 1.098 0.661
C4H6 1-Methylcyclopropene 1.098 0.676
C4H6 1-Methylcyclopropene 1.087 0.737
C4H6 1-Methylcyclopropene 1.087 2.332
C4H6 1-Methylcyclopropene 1.085 3.133