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Compare Bonds

18 10 26 16 45

MP3/6-31G* 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-0.044
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 -0.044
C6H6 Fulvene 1.130 -0.044
C3H5Cl3 Propane, 1,2,3-trichloro- 1.131 -0.040
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 -0.029
CHBr3 bromoform 1.110 -0.028
CH2SHCH2SH 1,2-Ethanedithiol 1.120 -0.028
C2H6N2O2 Dimethylnitroamine 1.121 -0.024
CH2ClCHClCH3 Propane, 1,2-dichloro- 1.113 -0.024
C2H3CCH 1-Buten-3-yne 1.090 -0.024
C4H6O2 2,3-Butanedione 1.114 -0.024
C6H14 Hexane 1.118 -0.023
C3H7NO dimethylformamide 1.112 -0.023
CH2ClCH2Cl Ethane, 1,2-dichloro- 1.112 -0.022
HCONHCH3 N-methylformamide 1.114 -0.022
C4H5N Cyclopropanecarbonitrile 1.107 -0.022
CH3CCCH3 2-Butyne 1.116 -0.022
CH2ClCH2CH3 Propane, 1-chloro- 1.113 -0.021
C2H3CCH 1-Buten-3-yne 1.106 -0.021
C5H12O Butane, 1-methoxy- 1.115 -0.021
C2HF3 Trifluoroethylene 1.100 -0.020
C3H6S3 1,3,5-Trithiane 1.114 -0.020
C6H12 (E)-3-methylpent-2-ene 1.116 -0.020
CH3CH2CH2CH3 Butane 1.117 -0.019
C5H6 Propellane 1.106 -0.019
C5H12 Pentane 1.118 -0.019
CH3OCl methyl hypochlorite 1.111 -0.019
C5H10 Cyclopentane 1.114 -0.019
CH2ClCH2CH2CH3 Butane, 1-chloro- 1.110 -0.019
C5H8 Spiropentane 1.105 -0.018
CHClCHCl Ethene, 1,2-dichloro-, (Z)- 1.101 -0.018
C5H12 Propane, 2,2-dimethyl- 1.114 -0.018
C5H10S 2H-Thiopyran, tetrahydro- 1.114 -0.018
C4H10O2 Ethane, 1,2-dimethoxy- 1.109 -0.018
C5H10O 2-Butanone, 3-methyl- 1.113 -0.017
C5H8 1,3-Butadiene, 2-methyl- 1.110 -0.017
C5H10O 2H-Pyran, tetrahydro- 1.116 -0.017
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.102 -0.017
CH3CHClCH2CH3 Butane, 2-chloro- 1.110 -0.016
C4H8O2 Ethyl acetate 1.105 -0.016
N(CH3)3 Trimethylamine 1.109 -0.015
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.098 -0.015
CH3COCl Acetyl Chloride 1.105 -0.015
C6H8 (Z)-hexa-1,3,5-triene 1.104 -0.015
C3H2N2 Malononitrile 1.109 -0.014
CH3SH Methanethiol 1.104 -0.013
CH3COCH3 Acetone 1.103 -0.013
CH3CN Acetonitrile 1.104 -0.012
C5H8 1,4-Pentadiene 1.110 -0.012
CH2CHOH ethenol 1.097 -0.012
CH3CH2NH2 Ethylamine 1.107 -0.011
C2H8N2 Ethylenediamine 1.109 -0.011
C5H8 Ethenylcyclopropane 1.099 -0.011
CH2CF2 Ethene, 1,1-difluoro- 1.091 -0.011
CH3COOH Acetic acid 1.100 -0.011
C3H8O2 Methane, dimethoxy- 1.108 -0.010
CH3CH2CHO Propanal 1.103 -0.010
C6H5NO2 Nitrobenzene 1.093 -0.010
CH3ONO Methyl nitrite 1.102 -0.010
CH3CCl2CH3 Propane, 2,2-dichloro- 1.101 -0.010
C12H8 biphenylene 1.096 -0.010
CH3CH(CH3)CH3 Isobutane 1.108 -0.009
C5H11N Piperidine 1.105 -0.009
C4H8O2 1,3-Dioxolane, 2-methyl- 1.102 -0.009
CH2NH Methanimine 1.103 -0.008
CH3CHNOH Acetaldoxime 1.100 -0.008
C3H6S Thietane 1.100 -0.008
C4H6O Cyclobutanone 1.100 -0.008
H2CO Formaldehyde 1.111 -0.008
C2H3Cl Ethene, chloro- 1.090 -0.007
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 1.089 -0.007
CH2N2 diazirine 1.090 -0.007
HCCl Chloromethylene 1.119 -0.007
C5H8 Cyclobutane, methylene- 1.101 -0.007
C5H6 1-Buten-3-yne, 2-methyl- 1.091 -0.006
CH3CH2CHO Propanal 1.115 -0.006
CH3CHO Acetaldehyde 1.114 -0.006
CH3CH2CHO Propanal 1.105 -0.006
C6H5CH2CH3 Ethylbenzene 1.094 -0.006
CH2CS Thioketene 1.090 -0.006
C8H8 cubane 1.097 -0.006
C4H8O2 1,3-Dioxane 1.095 -0.005
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.005
CH2 Methylene 1.085 -0.005
C2H4F2 1,2-difluoroethane 1.099 -0.005
CH3CH2OH Ethanol 1.098 -0.005
CH3OH Methyl alcohol 1.096 -0.005
C5H6S Thiophene, 3-methyl- 1.090 -0.005
CH2PH Phosphaethene 1.090 -0.005
CH3NO3 Methyl nitrate 1.095 -0.005
CH2CHF Ethene, fluoro- 1.087 -0.005
C5H8O 2H-Pyran, 3,4-dihydro- 1.090 -0.005
C3H5ClO Oxirane, (chloromethyl)- 1.095 -0.005
CH2CHCHO Acrolein 1.113 -0.004
C2H3Br vinyl bromide 1.088 -0.004
C6H5CH3 toluene 1.100 -0.004
C3H6O 2-Propen-1-ol 1.091 -0.004
CH3OCHO methyl formate 1.101 -0.004
CH2PH Phosphaethene 1.090 -0.004
CH3SSCH3 Disulfide, dimethyl 1.097 -0.004
C3H6O 2-Propen-1-ol 1.092 -0.004
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.087 -0.003
CH3CH(CH3)CH3 Isobutane 1.100 -0.003
CH3NHCH3 Dimethylamine 1.098 -0.003
CH3CHCl2 Ethane, 1,1-dichloro- 1.090 -0.003
C4H6 Methylenecyclopropane 1.090 -0.003
C4H4N2 1,3-Diazine 1.087 -0.003
CH3CH2CHO Propanal 1.096 -0.003
CH3PH2 Methyl phosphine 1.094 -0.003
CH2BrF Methane, bromofluoro- 1.090 -0.003
CH3CCH propyne 1.096 -0.003
CH3SeCH3 dimethylselenide 1.093 -0.002
CHFClBr fluorochlorobromomethane 1.088 -0.002
CH2NOH formaldoxime 1.086 -0.002
CH2CO Ketene 1.083 -0.002
CH3SCH2CH3 Ethane, (methylthio)- 1.097 -0.002
C6H12 Cyclohexane 1.101 -0.002
C6H8 Bicyclo[3.1.0]hex-2-ene 1.089 -0.002
CHF3 Methane, trifluoro- 1.091 -0.002
C3H4N2 1H-Pyrazole 1.082 -0.002
CH3NO nitrosomethane 1.094 -0.002
CH3SiH3 methyl silane 1.096 -0.002
CH3ONO Methyl nitrite 1.090 -0.002
C4H6 Methylenecyclopropane 1.088 -0.002
C3H4N2 1H-Pyrazole 1.083 -0.002
CH(CN)3 tricyanomethane 1.100 -0.002
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.088 -0.002
CH3CCl3 Ethane, 1,1,1-trichloro- 1.093 -0.002
CH2CHCHO Acrolein 1.089 -0.001
C3H8O2 Propylene glycol 1.095 -0.001
CH3CHS Thioacetaldehyde 1.098 -0.001
C4H5N (E)-2-Butenenitrile 1.090 -0.001
CH3Cl Methyl chloride 1.090 -0.001
HFCO formyl fluoride 1.095 -0.001
HCOOH Formic acid 1.097 -0.001
CH2CCH2 allene 1.087 -0.001
C3H3N acrylonitrile 1.086 -0.001
CH2CHCH2CH3 1-Butene 1.095 -0.001
C3H6O 2-Propen-1-ol 1.102 -0.001
C4H6S Thiophene, 2,5-dihydro- 1.095 -0.001
H2NCH2COOH Glycine 1.096 -0.000
C3H4N2 1H-Pyrazole 1.080 -0.000
C2H4 Ethylene 1.086 -0.000
CH3CHFCH3 2-Fluoropropane 1.093 0.000
C3H7SH 1-Propanethiol 1.094 0.000
CH3CHFCH3 2-Fluoropropane 1.094 0.000
C5H8 Cyclopentene 1.095 0.000
C6H8 1,4-Cyclohexadiene 1.100 0.000
C5H8 Bicyclo[2.1.0]pentane 1.085 0.000
C2H2ClF 1-chloro-1-fluoroethylene 1.082 0.000
CH2CHOH ethenol 1.086 0.000
C4H10O Propane, 2-methoxy- 1.095 0.001
CH3OC2H5 Ethane, methoxy- 1.099 0.001
HOCH2COOH Hydroxyacetic acid 1.097 0.001
C3H8 Propane 1.096 0.001
C2H6O2S Dimethyl sulfone 1.091 0.001
CH3OCH3 Dimethyl ether 1.099 0.001
CH3SCH3 Dimethyl sulfide 1.091 0.001
C5H8 Bicyclo[2.1.0]pentane 1.095 0.001
C3H4O Cyclopropanone 1.086 0.001
CH2CHCH2CH3 1-Butene 1.090 0.001
CH3OC2H5 Ethane, methoxy- 1.092 0.001
CH3CHClCH3 Propane, 2-chloro- 1.091 0.001
CH3NO3 Methyl nitrate 1.088 0.001
CH3CHS Thioacetaldehyde 1.090 0.001
CHOCHCHCH3 2-Butenal 1.108 0.001
C5H8 Cyclopentene 1.085 0.001
CH2Cl2 Methylene chloride 1.085 0.001
C5H10 Cyclopropane, 1,1-dimethyl- 1.095 0.001
C4H6 Cyclobutene 1.094 0.001
C5H6 1-Buten-3-yne, 2-methyl- 1.065 0.001
C4H8 cyclobutane 1.093 0.001
C5H4O2 4-Cyclopentene-1,3-dione 1.093 0.001
C3H8 Propane 1.094 0.001
C4H6S Thiophene, 2,5-dihydro- 1.085 0.002
CH3 Methyl radical 1.079 0.002
CHClCCl2 Trichloroethylene 1.080 0.002
CH3SCH2CH3 Ethane, (methylthio)- 1.092 0.002
C4H10O Ethoxy ethane 1.100 0.002
C4H4N2 Succinonitrile 1.092 0.002
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.095 0.002
C2H3 vinyl 1.080 0.002
CH3OC2H5 Ethane, methoxy- 1.100 0.002
CH3NO nitrosomethane 1.092 0.002
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.092 0.002
C2H5Br Ethyl bromide 1.087 0.002
CH2NN diazomethane 1.075 0.002
C4H10O Propane, 2-methoxy- 1.095 0.002
H2CS Thioformaldehyde 1.087 0.002
C4H4S Thiophene 1.079 0.002
C3H6 Cyclopropane 1.083 0.002
C2H4S Thiirane 1.083 0.002
C2H2F2 Ethene, 1,2-difluoro-, (E)- 1.080 0.002
CH2CHF Ethene, fluoro- 1.082 0.002
C2H5N Aziridine 1.083 0.002
C2H3Br vinyl bromide 1.080 0.002
C4H10O Ethoxy ethane 1.092 0.002
CH2CHCHO Acrolein 1.084 0.003
C6H6 Benzene 1.084 0.003
CH3OCHO methyl formate 1.086 0.003
C4H8 cyclobutane 1.091 0.003
C2H4F2 1,2-difluoroethane 1.093 0.003
C2H5Br Ethyl bromide 1.093 0.003
C4H6 Cyclobutene 1.083 0.003
CH3SCH2CH3 Ethane, (methylthio)- 1.090 0.003
C2H2 Acetylene 1.063 0.003
C4H4O Furan 1.076 0.003
C4H10O Ethoxy ethane 1.090 0.003
C5H6 1-Buten-3-yne, 2-methyl- 1.090 0.003
C5H8O Cyclopentanone 1.095 0.003
C6H5F Fluorobenzene 1.083 0.003
CH3NO2 Methane, nitro- 1.088 0.003
CH2CHOH ethenol 1.079 0.003
CHOCHCHCH3 2-Butenal 1.090 0.003
C5H10 2-Pentene, (Z)- 1.092 0.003
CH3CH2Cl Ethyl chloride 1.089 0.003
C2H6 Ethane 1.091 0.003
C2H5N Aziridine 1.084 0.003
CH3CH(CH3)CH3 Isobutane 1.092 0.003
CH2NOH formaldoxime 1.085 0.003
C10H8 Azulene 1.084 0.003
C6H12 Cyclohexane 1.093 0.003
C4H5N (E)-2-Butenenitrile 1.090 0.003
C3H6O Propylene oxide 1.090 0.003
CH3CHClCH3 Propane, 2-chloro- 1.092 0.003
C4H4N2 Pyrazine 1.083 0.003
C3H7SH 1-Propanethiol 1.090 0.003
C6H5CN phenyl cyanide 1.082 0.004
CH3CHS Thioacetaldehyde 1.089 0.004
C6H5OH phenol 1.082 0.004
C3H4 cyclopropene 1.088 0.004
C6H5F Fluorobenzene 1.081 0.004
CHOCHCHCH3 2-Butenal 1.084 0.004
C6H6 Benzvalene 1.082 0.004
CH2CHCHO Acrolein 1.081 0.004
C3H6O 2-Propen-1-ol 1.096 0.004
C6H5CH3 toluene 1.083 0.004
C10H8 Azulene 1.080 0.004
C6H5NH2 aniline 1.084 0.004
C2H4O Ethylene oxide 1.084 0.004
CH3SCH2CH3 Ethane, (methylthio)- 1.089 0.004
C3H7SH 1-Propanethiol 1.092 0.004
C6H6 Fulvene 1.080 0.004
C6H5Cl chlorobenzene 1.082 0.004
C10H8 Azulene 1.081 0.004
C6H8 Bicyclo[3.1.0]hex-2-ene 1.082 0.004
C6H6 Benzvalene 1.078 0.004
CH3CH2Cl Ethyl chloride 1.086 0.004
C3H3NO Oxazole 1.075 0.004
CH3CH2SH ethanethiol 1.091 0.004
CH4 Methane 1.087 0.004
C3H3NO Oxazole 1.073 0.004
C3H3NO Oxazole 1.075 0.004
C6H5OH phenol 1.084 0.004
CH3CHSHCH3 2-Propanethiol 1.091 0.004
C4H4N2 1,3-Diazine 1.082 0.005
C5H6 1-Buten-3-yne, 2-methyl- 1.081 0.005
HCS+ Thioformyl cation 1.079 0.005
C4H5N Pyrrole 1.076 0.005
CH3CH2Cl Ethyl chloride 1.090 0.005
CH3CHFCH3 2-Fluoropropane 1.092 0.005
C6H6 Benzvalene 1.078 0.005
CH3Br methyl bromide 1.082 0.005
C4H10O Propane, 2-methoxy- 1.090 0.005
CH3COF Acetyl fluoride 1.084 0.005
CH3CHO Acetaldehyde 1.086 0.005
C6H5Cl chlorobenzene 1.081 0.005
HCN Hydrogen cyanide 1.064 0.005
CH2Br2 dibromomethane 1.079 0.005
C2H3Cl Ethene, chloro- 1.079 0.005
C2H6O2 1,2-Ethanediol 1.093 0.005
C6H5CN phenyl cyanide 1.080 0.005
CHF2CHF2 1,1,2,2-tetrafluoroethane 1.087 0.005
SiH2(CH3)2 dimethylsilane 1.089 0.005
CH3OC2H5 Ethane, methoxy- 1.089 0.005
C6H5CH3 toluene 1.081 0.005
C6H6 Fulvene 1.078 0.005
CH3OC2H5 Ethane, methoxy- 1.086 0.005
C4H5N (E)-2-Butenenitrile 1.081 0.005
C2H2+ acetylene cation 1.077 0.006
CHOCHCHCH3 2-Butenal 1.086 0.006
C3H8 Propane 1.089 0.006
C2H3Br vinyl bromide 1.080 0.006
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.091 0.006
CH3NHCH3 Dimethylamine 1.098 0.006
C6H5F Fluorobenzene 1.080 0.006
C4H4Se selenophene 1.079 0.006
HCP Phosphaethyne 1.067 0.006
C6H5Cl chlorobenzene 1.079 0.006
C3H4 cyclopropene 1.072 0.006
CH3F Methyl fluoride 1.087 0.006
CH3CCH propyne 1.060 0.006
CH2CHF Ethene, fluoro- 1.077 0.006
CH3OCH3 Dimethyl ether 1.085 0.006
CH3CHFCH3 2-Fluoropropane 1.088 0.006
C5H10 Cyclopropane, 1,1-dimethyl- 1.080 0.006
C5H6 Cyclopropylacetylene 1.080 0.006
CH3CH2OH Ethanol 1.088 0.006
CH Methylidyne 1.120 0.006
C6H5CN phenyl cyanide 1.080 0.006
CH3CHNOH Acetaldoxime 1.085 0.007
C2H3 vinyl 1.085 0.007
C5H10 2-Pentene, (E)- 1.082 0.007
C6H5CH3 toluene 1.081 0.007
CH3SCH2CH3 Ethane, (methylthio)- 1.087 0.007
C10H8 Azulene 1.081 0.007
C6H8 Bicyclo[3.1.0]hex-2-ene 1.091 0.007
C3H6O 2-Propen-1-ol 1.078 0.007
C10H8 Azulene 1.083 0.007
CHClCHCl Ethene, 1,2-dichloro-, (E)- 1.075 0.007
CH2F2 Methane, difluoro- 1.084 0.008
CH3NH2 methyl amine 1.093 0.008
C6H8 Bicyclo[3.1.0]hex-2-ene 1.078 0.008
CH3OCl methyl hypochlorite 1.086 0.008
CH3CH2O Ethoxy radical 1.085 0.008
C4H2 Diacetylene 1.058 0.008
C4H4N2 1,3-Diazine 1.079 0.008
C3H6O Propylene oxide 1.082 0.009
CH2NH Methanimine 1.081 0.009
CH3CH2O Ethoxy radical 1.086 0.009
CH3NHCH3 Dimethylamine 1.084 0.009
GeH3CH3 methyl germane 1.083 0.010
CH3CF3 Ethane, 1,1,1-trifluoro- 1.081 0.010
C6H10 1-Butyne, 3,3-dimethyl- 1.056 0.010
C6H5OH phenol 1.076 0.010
C5H8 1,3-Butadiene, 2-methyl- 1.076 0.011
HCCBr bromoacetylene 1.055 0.011
HCCCl Chloroacetylene 1.055 0.011
HCCF Fluoroacetylene 1.053 0.011
CHCl3 Chloroform 1.073 0.011
CH2NCH3 N-methylmethanimine 1.089 0.011
C5H6 Cyclopropylacetylene 1.055 0.011
C4H4Se selenophene 1.070 0.011
CH3CHF2 Ethane, 1,1-difluoro- 1.081 0.011
C3H7N Cyclopropylamine 1.080 0.012
C6H5Br bromobenzene 1.072 0.013
C5H6S Thiophene, 3-methyl- 1.081 0.013
CH2CCl2 Ethene, 1,1-dichloro- 1.070 0.013
CH3CH2O Ethoxy radical 1.088 0.013
CH3CH2OH Ethanol 1.086 0.014
C4H9N Pyrrolidine 1.090 0.014
N(CH3)3 Trimethylamine 1.088 0.018
CH3CCl(CH3)CH3 Propane, 2-chloro-2-methyl- 1.078 0.018
C2H Ethynyl radical 1.047 0.019
C3H5 Allyl radical 1.069 0.020
C4H4N2 Pyridazine 1.064 0.021
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.072 0.021
C5H10 2-Pentene, (Z)- 1.058 0.033
HCNO fulminic acid 1.027 0.036
HCO Formyl radical 1.080 0.041
C4H10O Methyl propyl ether 1.099 0.313
C3H3NO Isoxazole 1.075 0.352
C4H6 1-Methylcyclopropene 1.070 0.437
C4H6 1-Methylcyclopropene 1.098 0.667
C4H6 1-Methylcyclopropene 1.098 0.681
C4H6 1-Methylcyclopropene 1.087 0.737
C4H6 1-Methylcyclopropene 1.087 2.339
C4H6 1-Methylcyclopropene 1.085 3.133