return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Home > Geometry > Experimental > Same bond/angle many molecules OR Comparisons > Geometry > Bonds, angles > Same bond/angle many molecules

Compare Bonds

18 10 26 16 45

B3PW91/6-31G 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 C6H6 Fulvene-0.044
Most positive difference C4H6 1-Methylcyclopropene3.136

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C6H6 Fulvene 1.130 -0.044
C3H8O2 1,3-Propanediol 1.140 -0.043
C3H5Cl3 Propane, 1,2,3-trichloro- 1.131 -0.041
C5H8O Methyl cyclopropyl ketone 1.126 -0.035
CH3CONH2 Acetamide 1.124 -0.033
CHOCH(CH3)CH3 Propanal, 2-methyl- 1.127 -0.032
C2H2O2 Ethanedial 1.132 -0.031
CH2SHCH2SH 1,2-Ethanedithiol 1.120 -0.028
C2H6N2O2 Dimethylnitroamine 1.121 -0.027
CHBr3 bromoform 1.110 -0.026
C2H3CCH 1-Buten-3-yne 1.090 -0.025
CH2ClCHClCH3 Propane, 1,2-dichloro- 1.113 -0.025
C4H6O2 2,3-Butanedione 1.114 -0.023
CH2ClCH2Cl Ethane, 1,2-dichloro- 1.112 -0.023
HCONHCH3 N-methylformamide 1.114 -0.022
C2HF3 Trifluoroethylene 1.100 -0.022
C6H14 Hexane 1.118 -0.022
CH2ClCH2CH3 Propane, 1-chloro- 1.113 -0.022
C4H5N Cyclopropanecarbonitrile 1.107 -0.021
C2H3CCH 1-Buten-3-yne 1.106 -0.021
C3H6S3 1,3,5-Trithiane 1.114 -0.021
C5H6 Propellane 1.106 -0.021
C3H7NO dimethylformamide 1.112 -0.021
C7H16 heptane 1.121 -0.020
C5H12O Butane, 1-methoxy- 1.115 -0.019
CH3CCCH3 2-Butyne 1.116 -0.019
Si(CH3)4 tetramethylsilane 1.115 -0.019
CH2ClCH2CH2CH3 Butane, 1-chloro- 1.110 -0.019
CHClCHCl Ethene, 1,2-dichloro-, (Z)- 1.101 -0.019
C5H8 Spiropentane 1.105 -0.019
C4H10O2 Ethane, 1,2-dimethoxy- 1.109 -0.018
C5H10O 2-Butanone, 3-methyl- 1.113 -0.017
C6H12 (E)-3-methylpent-2-ene 1.116 -0.017
C5H12 Pentane 1.118 -0.017
CH3CH2CH2CH3 Butane 1.117 -0.017
C5H10 Cyclopentane 1.114 -0.017
C5H12 Propane, 2,2-dimethyl- 1.114 -0.017
C7H12 Norbornane 1.113 -0.017
C5H8 1,3-Butadiene, 2-methyl- 1.110 -0.017
C5H10S 2H-Thiopyran, tetrahydro- 1.114 -0.016
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.102 -0.016
CH3OCl methyl hypochlorite 1.111 -0.016
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.098 -0.016
CH3CHClCH2CH3 Butane, 2-chloro- 1.110 -0.015
C4H8O2 Ethyl acetate 1.105 -0.015
C5H10O 2H-Pyran, tetrahydro- 1.116 -0.015
C6H8 (Z)-hexa-1,3,5-triene 1.104 -0.015
N(CH3)3 Trimethylamine 1.109 -0.014
CH2CHOH ethenol 1.097 -0.014
CH3SH Methanethiol 1.104 -0.014
CH3COCl Acetyl Chloride 1.105 -0.013
C3H8O2 Methane, dimethoxy- 1.108 -0.012
C5H8 Ethenylcyclopropane 1.099 -0.012
CH3COCH3 Acetone 1.103 -0.012
CH2Cl chloromethyl radical 1.090 -0.012
C12H8 biphenylene 1.096 -0.011
CH2CF2 Ethene, 1,1-difluoro- 1.091 -0.011
CH2N2 diazirine 1.090 -0.011
CH3COOH Acetic acid 1.100 -0.011
C3H2N2 Malononitrile 1.109 -0.011
C5H8 1,4-Pentadiene 1.110 -0.010
C2H8N2 Ethylenediamine 1.109 -0.010
CH3CCl2CH3 Propane, 2,2-dichloro- 1.101 -0.010
CH3CH2NH2 Ethylamine 1.107 -0.009
CH3CN Acetonitrile 1.104 -0.009
CH3ONO Methyl nitrite 1.102 -0.009
C3H6S Thietane 1.100 -0.009
CH3CH2CHO Propanal 1.103 -0.009
H2CO Formaldehyde 1.111 -0.009
CH3OCHO methyl formate 1.101 -0.009
C2H3Cl Ethene, chloro- 1.090 -0.008
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 1.089 -0.008
C4H8O2 1,3-Dioxane 1.095 -0.008
C8H8 cubane 1.097 -0.008
C4H8O2 1,3-Dioxolane, 2-methyl- 1.102 -0.008
CH3CH2CHO Propanal 1.115 -0.008
C4H6O Cyclobutanone 1.100 -0.008
CH3CHO Acetaldehyde 1.114 -0.008
C5H11N Piperidine 1.105 -0.007
CH3CHNOH Acetaldoxime 1.100 -0.007
C5H8O 2H-Pyran, 3,4-dihydro- 1.090 -0.007
CH3O Methoxy radical 1.112 -0.007
C6H5CH2CH3 Ethylbenzene 1.094 -0.007
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.006
C5H6 1-Buten-3-yne, 2-methyl- 1.091 -0.006
CH3CH(CH3)CH3 Isobutane 1.108 -0.006
HCOOH Formic acid 1.097 -0.006
CH2NH Methanimine 1.103 -0.006
CH2CHCHO Acrolein 1.113 -0.006
C5H6S Thiophene, 3-methyl- 1.090 -0.006
CH3OH Methyl alcohol 1.096 -0.006
C5H8 Cyclobutane, methylene- 1.101 -0.006
C3H5ClO Oxirane, (chloromethyl)- 1.095 -0.005
HFCO formyl fluoride 1.095 -0.005
C3H4N2 1H-Pyrazole 1.083 -0.005
CHF3 Methane, trifluoro- 1.091 -0.005
CH2O2 Dioxirane 1.090 -0.004
CHF2Cl difluorochloromethane 1.090 -0.004
C3H4N2 1H-Pyrazole 1.082 -0.004
CH3NO3 Methyl nitrate 1.095 -0.004
CH2PH Phosphaethene 1.090 -0.004
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.087 -0.004
CH2CHF Ethene, fluoro- 1.087 -0.004
CH3CH2OH Ethanol 1.098 -0.004
CH3SSCH3 Disulfide, dimethyl 1.097 -0.004
CH2CS Thioketene 1.090 -0.004
C2H3Br vinyl bromide 1.088 -0.004
CH2PH Phosphaethene 1.090 -0.003
C3H6O 2-Propen-1-ol 1.092 -0.003
CH2BrF Methane, bromofluoro- 1.090 -0.003
C4H4N2 1,3-Diazine 1.087 -0.003
C3H6O 2-Propen-1-ol 1.091 -0.003
CH2FCl fluorochloromethane 1.090 -0.003
CH3CHCl2 Ethane, 1,1-dichloro- 1.090 -0.003
CHFClBr fluorochlorobromomethane 1.088 -0.003
CH2 Methylene 1.085 -0.003
CH3CH2CHO Propanal 1.105 -0.003
CH2NOH formaldoxime 1.086 -0.003
C6H8 Bicyclo[3.1.0]hex-2-ene 1.089 -0.003
C3H8O2 Propylene glycol 1.095 -0.003
C4H6 Methylenecyclopropane 1.090 -0.003
C3H4N2 1H-Pyrazole 1.080 -0.002
CH3SCH2CH3 Ethane, (methylthio)- 1.097 -0.002
CH3ONO Methyl nitrite 1.090 -0.002
CH3Cl Methyl chloride 1.090 -0.002
CH3PH2 Methyl phosphine 1.094 -0.002
CH3CH(CH3)CH3 Isobutane 1.100 -0.002
C5H8 Bicyclo[2.1.0]pentane 1.085 -0.002
C2H4F2 1,2-difluoroethane 1.094 -0.002
C6H5CH3 toluene 1.100 -0.002
C2H6O2S Dimethyl sulfone 1.091 -0.002
CH3SeCH3 dimethylselenide 1.093 -0.002
CH3CH2CHO Propanal 1.096 -0.002
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.088 -0.001
CH3NHCH3 Dimethylamine 1.098 -0.001
C4H6 Methylenecyclopropane 1.088 -0.001
C4H6O Furan, 2,5-dihydro- 1.100 -0.001
CH3SiH3 methyl silane 1.096 -0.001
CH3NO nitrosomethane 1.094 -0.001
C3H3NO Oxazole 1.075 -0.001
C6H10 cyclohexene 1.090 -0.001
C4H4O Furan 1.076 -0.001
C4H5N (E)-2-Butenenitrile 1.090 -0.001
CH2CHCHO Acrolein 1.089 -0.001
CH3NC methyl isocyanide 1.094 -0.000
C2H5F fluoroethane 1.095 -0.000
CHOCHCHCH3 2-Butenal 1.108 -0.000
C4H4S Thiophene 1.079 -0.000
CH2CO Ketene 1.083 -0.000
CH2Cl2 Methylene chloride 1.085 -0.000
C6H12 Cyclohexane 1.101 -0.000
C5H6 1-Buten-3-yne, 2-methyl- 1.065 -0.000
C4H6S Thiophene, 2,5-dihydro- 1.095 -0.000
CH3CCl3 Ethane, 1,1,1-trichloro- 1.093 -0.000
CH2CCH2 allene 1.087 0.000
C2H2F2 Ethene, 1,2-difluoro-, (E)- 1.080 0.000
CH3SCH3 Dimethyl sulfide 1.091 0.000
C3H3NO Oxazole 1.075 0.000
CH3CCH propyne 1.096 0.000
C3H3NO Oxazole 1.073 0.000
HOCH2COOH Hydroxyacetic acid 1.097 0.000
CHClCCl2 Trichloroethylene 1.080 0.000
C5H8 Cyclopentene 1.085 0.001
CH2CHCH2CH3 1-Butene 1.095 0.001
C4H4N2 1,3-Diazine 1.082 0.001
CH3CHFCH3 2-Fluoropropane 1.093 0.001
C4H6 Cyclobutene 1.083 0.001
CH2CHOH ethenol 1.086 0.001
C4H10O Propane, 2-methoxy- 1.095 0.001
C3H3N acrylonitrile 1.086 0.001
CH3CHFCH3 2-Fluoropropane 1.094 0.001
C2H4 Ethylene 1.086 0.001
CH2CHF Ethene, fluoro- 1.082 0.001
H2NCH2COOH Glycine 1.096 0.001
C5H8 Bicyclo[2.1.0]pentane 1.095 0.001
C4H4N2 Pyrazine 1.083 0.001
C2H2ClF 1-chloro-1-fluoroethylene 1.082 0.001
C2H5N Aziridine 1.083 0.001
C3H4O Cyclopropanone 1.086 0.001
C6H6 Benzvalene 1.082 0.001
C3H6O 2-Propen-1-ol 1.102 0.001
CH3OCHO methyl formate 1.086 0.001
C5H8 Cyclopentene 1.095 0.001
C2H4S Thiirane 1.083 0.001
CH3OC2H5 Ethane, methoxy- 1.099 0.001
CH3OCH3 Dimethyl ether 1.099 0.001
C3H7SH 1-Propanethiol 1.094 0.001
CH3CHS Thioacetaldehyde 1.090 0.001
CH3CHClCH3 Propane, 2-chloro- 1.091 0.002
CH3NO3 Methyl nitrate 1.088 0.002
C4H6S Thiophene, 2,5-dihydro- 1.085 0.002
C6H6 Benzvalene 1.078 0.002
C2H4O Ethylene oxide 1.084 0.002
C4H6 Cyclobutene 1.094 0.002
C6H6 Benzene 1.084 0.002
CHF2CHF2 1,1,2,2-tetrafluoroethane 1.087 0.002
C4H8 cyclobutane 1.093 0.002
CH3CHS Thioacetaldehyde 1.098 0.002
CH2CHCH2CH3 1-Butene 1.090 0.002
C6H5F Fluorobenzene 1.083 0.002
C2H3Br vinyl bromide 1.080 0.002
CH3OC2H5 Ethane, methoxy- 1.092 0.002
C2H2 Acetylene 1.063 0.002
C3H6 Cyclopropane 1.083 0.002
C2H3 vinyl 1.080 0.002
H2CS Thioformaldehyde 1.087 0.002
C6H5F Fluorobenzene 1.081 0.002
CH3SeH Methane selenol 1.088 0.002
C10H8 Azulene 1.080 0.002
CH2NOH formaldoxime 1.085 0.002
C4H5N Pyrrole 1.076 0.002
C6H10 cyclohexene 1.100 0.002
C6H6 Fulvene 1.080 0.002
C10H8 Azulene 1.081 0.002
C4H10O Ethoxy ethane 1.100 0.003
C6H5OH phenol 1.082 0.003
CH3SCH2CH3 Ethane, (methylthio)- 1.090 0.003
C5H10 Cyclopropane, 1,1-dimethyl- 1.095 0.003
CH3OC2H5 Ethane, methoxy- 1.100 0.003
CH2CHCHO Acrolein 1.084 0.003
C6H8 Bicyclo[3.1.0]hex-2-ene 1.082 0.003
C6H5CN phenyl cyanide 1.082 0.003
C4H8 cyclobutane 1.091 0.003
CH3SCH2CH3 Ethane, (methylthio)- 1.092 0.003
HCN Hydrogen cyanide 1.064 0.003
C5H4O2 4-Cyclopentene-1,3-dione 1.093 0.003
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.092 0.003
CH3NO nitrosomethane 1.092 0.003
C4H10O Propane, 2-methoxy- 1.095 0.003
C2H5Br Ethyl bromide 1.087 0.003
C3H4 cyclopropene 1.072 0.003
C3H4 cyclopropene 1.088 0.003
C6H5CH3 toluene 1.083 0.003
C3H8 Propane 1.096 0.003
C3H8 Propane 1.094 0.003
C6H5Cl chlorobenzene 1.082 0.003
C6H5OH phenol 1.084 0.003
C6H8 1,4-Cyclohexadiene 1.100 0.003
C6H6 Fulvene 1.078 0.003
C10H8 Azulene 1.084 0.003
C6H6 Benzvalene 1.078 0.004
C5H6 1-Buten-3-yne, 2-methyl- 1.090 0.004
C2H5N Aziridine 1.084 0.004
CH3SCH2CH3 Ethane, (methylthio)- 1.089 0.004
CHOCHCHCH3 2-Butenal 1.084 0.004
C4H10O Ethoxy ethane 1.092 0.004
CH2CHOH ethenol 1.079 0.004
CHOCHCHCH3 2-Butenal 1.090 0.004
CH(CN)3 tricyanomethane 1.100 0.004
C3H7SH 1-Propanethiol 1.090 0.004
HCCCN Cyanoacetylene 1.062 0.004
CH3 Methyl radical 1.079 0.004
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.095 0.004
CH3CHS Thioacetaldehyde 1.089 0.004
CH2CHCHO Acrolein 1.081 0.004
C4H5N (E)-2-Butenenitrile 1.090 0.004
C6H5Cl chlorobenzene 1.081 0.004
CH3NO2 Methane, nitro- 1.088 0.004
C2H5F fluoroethane 1.090 0.004
C3H6O 2-Propen-1-ol 1.096 0.004
CH3CH2Cl Ethyl chloride 1.086 0.004
C2H2+ acetylene cation 1.077 0.004
CH2NN diazomethane 1.075 0.004
C4H10O Ethoxy ethane 1.090 0.004
CH3CH2Cl Ethyl chloride 1.089 0.004
C6H5CN phenyl cyanide 1.080 0.004
H2CCCCH2 Butatriene 1.083 0.004
C3H6O Propylene oxide 1.090 0.004
C5H6 1-Buten-3-yne, 2-methyl- 1.081 0.004
C4H4N2 Succinonitrile 1.092 0.004
C6H5Cl chlorobenzene 1.079 0.005
C4H4Se selenophene 1.079 0.005
C6H5CH3 toluene 1.081 0.005
CH3CH(CH3)CH3 Isobutane 1.092 0.005
CH3CCH propyne 1.060 0.005
C2H5F fluoroethane 1.091 0.005
CH3OC2H5 Ethane, methoxy- 1.086 0.005
C5H10 2-Pentene, (Z)- 1.092 0.005
C6H5F Fluorobenzene 1.080 0.005
C6H12 Cyclohexane 1.093 0.005
CH3CHFCH3 2-Fluoropropane 1.092 0.005
CH3CHSHCH3 2-Propanethiol 1.091 0.005
CH3Br methyl bromide 1.082 0.005
C2H3Cl Ethene, chloro- 1.079 0.005
C2H5Br Ethyl bromide 1.093 0.005
C2H6O2 1,2-Ethanediol 1.093 0.005
C2H6 Ethane 1.091 0.005
CH3COF Acetyl fluoride 1.084 0.005
C5H8O Cyclopentanone 1.095 0.005
C3H7SH 1-Propanethiol 1.092 0.006
CHClCHCl Ethene, 1,2-dichloro-, (E)- 1.075 0.006
CH3OCH3 Dimethyl ether 1.085 0.006
CH3F Methyl fluoride 1.087 0.006
CH2Br2 dibromomethane 1.079 0.006
CH4 Methane 1.087 0.006
CH2F2 Methane, difluoro- 1.084 0.006
CH3CHO Acetaldehyde 1.086 0.006
C6H5CN phenyl cyanide 1.080 0.006
CH3CHClCH3 Propane, 2-chloro- 1.092 0.006
HCS+ Thioformyl cation 1.079 0.006
CH3CHNOH Acetaldoxime 1.085 0.006
C5H10 Cyclopropane, 1,1-dimethyl- 1.080 0.006
SiH2(CH3)2 dimethylsilane 1.089 0.006
C10H16 adamantane 1.093 0.006
C4H10O Propane, 2-methoxy- 1.090 0.006
C4H4N2 1,3-Diazine 1.079 0.006
C6H5CH3 toluene 1.081 0.006
C6H10O cyclohexanone 1.088 0.006
C2H3Br vinyl bromide 1.080 0.006
CH2CHF Ethene, fluoro- 1.077 0.006
CH3OC2H5 Ethane, methoxy- 1.089 0.006
CH3CH2SH ethanethiol 1.091 0.007
CHOCHCHCH3 2-Butenal 1.086 0.007
C3H6O Propylene oxide 1.082 0.007
CH3S thiomethoxy 1.090 0.007
C6H8 Bicyclo[3.1.0]hex-2-ene 1.078 0.007
C4H5N (E)-2-Butenenitrile 1.081 0.007
C4H2 Diacetylene 1.058 0.007
C10H8 Azulene 1.083 0.007
C3H8 Propane 1.089 0.007
C5H6 Cyclopropylacetylene 1.080 0.007
CH3OCl methyl hypochlorite 1.086 0.007
HCP Phosphaethyne 1.067 0.007
CH3CHFCH3 2-Fluoropropane 1.088 0.007
CH3CH2Cl Ethyl chloride 1.090 0.007
CH3CH2OH Ethanol 1.088 0.008
C3H6O 2-Propen-1-ol 1.078 0.008
C2H5CN ethyl cyanide 1.087 0.008
C10H8 Azulene 1.081 0.008
C5H10 2-Pentene, (E)- 1.082 0.008
CH2NH Methanimine 1.081 0.008
C6H10 1-Butyne, 3,3-dimethyl- 1.056 0.009
C6H8 Bicyclo[3.1.0]hex-2-ene 1.091 0.009
HCCBr bromoacetylene 1.055 0.009
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.091 0.009
CH3SCH2CH3 Ethane, (methylthio)- 1.087 0.009
C2H3 vinyl 1.085 0.009
C6H5OH phenol 1.076 0.009
GeH3CH3 methyl germane 1.083 0.009
C4H4Se selenophene 1.070 0.009
HCCCl Chloroacetylene 1.055 0.010
C5H6 Cyclopropylacetylene 1.055 0.010
CH3CH2O Ethoxy radical 1.085 0.010
C6H5CCH phenylacetylene 1.055 0.010
C2H5CN ethyl cyanide 1.088 0.010
CH3CF3 Ethane, 1,1,1-trifluoro- 1.081 0.010
HCCF Fluoroacetylene 1.053 0.010
CH3CH2O Ethoxy radical 1.086 0.010
CH3NHCH3 Dimethylamine 1.084 0.010
CH3NHCH3 Dimethylamine 1.098 0.010
CHCl3 Chloroform 1.073 0.011
C5H8 1,3-Butadiene, 2-methyl- 1.076 0.011
CHONH2 formamide 1.090 0.011
HCCl Chloromethylene 1.119 0.012
CH3CHF2 Ethane, 1,1-difluoro- 1.081 0.012
C6H5Br bromobenzene 1.072 0.012
C8H8 cyclooctatetraene 1.079 0.012
C5H6S Thiophene, 3-methyl- 1.081 0.013
CH2CCl2 Ethene, 1,1-dichloro- 1.070 0.013
CH3NH2 methyl amine 1.093 0.014
CH2NCH3 N-methylmethanimine 1.089 0.014
C3H7N Cyclopropylamine 1.080 0.015
CH3CH2OH Ethanol 1.086 0.015
CH3CH2O Ethoxy radical 1.088 0.018
C4H9N Pyrrolidine 1.090 0.019
C2H Ethynyl radical 1.047 0.019
C4H4N2 Pyridazine 1.064 0.020
CH3CCl(CH3)CH3 Propane, 2-chloro-2-methyl- 1.078 0.020
C3H5 Allyl radical 1.069 0.021
N(CH3)3 Trimethylamine 1.088 0.022
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.072 0.022
CH Methylidyne 1.120 0.025
HCNO fulminic acid 1.027 0.034
C5H10 2-Pentene, (Z)- 1.058 0.034
HCO Formyl radical 1.080 0.037
C4H10O Methyl propyl ether 1.099 0.341
C3H3NO Isoxazole 1.075 0.352
C4H6 1-Methylcyclopropene 1.070 0.455
C4H6 1-Methylcyclopropene 1.098 0.663
C4H6 1-Methylcyclopropene 1.098 0.680
C4H6 1-Methylcyclopropene 1.087 0.737
C4H6 1-Methylcyclopropene 1.087 2.348
C4H6 1-Methylcyclopropene 1.085 3.136