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

TPSSh/6-31G(2df,p) 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
-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-0.072
Most positive difference C4H6 1-Methylcyclopropene3.131

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C3H4O Cyclopropanone 1.086 -0.072
C4H6 Methylenecyclopropane 1.088 -0.052
CH3CF3 Ethane, 1,1,1-trifluoro- 1.081 -0.051
C4H6 Methylenecyclopropane 1.090 -0.050
C6H6 Fulvene 1.130 -0.044
C3H8O2 1,3-Propanediol 1.140 -0.044
CH2CHOCHCH2 Vinyl ether 1.103 -0.041
C3H5Cl3 Propane, 1,2,3-trichloro- 1.131 -0.041
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
C2H3CCH 1-Buten-3-yne 1.090 -0.027
C4H10O Ethoxy ethane 1.092 -0.026
CHBr3 bromoform 1.110 -0.026
CHClCHCl Ethene, 1,2-dichloro-, (Z)- 1.101 -0.025
C4H6O2 2,3-Butanedione 1.114 -0.025
CH2ClCHClCH3 Propane, 1,2-dichloro- 1.113 -0.024
C6H14 Hexane 1.118 -0.023
C2H6N2O2 Dimethylnitroamine 1.121 -0.023
C2H2O2 Ethanedial 1.132 -0.023
C4H5N Cyclopropanecarbonitrile 1.107 -0.023
CH3CCl(CH3)CH3 Propane, 2-chloro-2-methyl- 1.078 -0.023
C3H7NO dimethylformamide 1.112 -0.022
CH2ClCH2Cl Ethane, 1,2-dichloro- 1.112 -0.022
C2H3CCH 1-Buten-3-yne 1.106 -0.022
CH3CCCH3 2-Butyne 1.116 -0.021
C4H10O Ethoxy ethane 1.090 -0.021
C7H16 heptane 1.121 -0.021
C5H12O Butane, 1-methoxy- 1.115 -0.020
CH2ClCH2CH3 Propane, 1-chloro- 1.113 -0.020
C5H6 Propellane 1.106 -0.020
C3H6S3 1,3,5-Trithiane 1.114 -0.020
C5H10 Cyclopentane 1.114 -0.019
Si(CH3)4 tetramethylsilane 1.115 -0.019
C5H12 Pentane 1.118 -0.019
C2HF3 Trifluoroethylene 1.100 -0.019
C5H8 Spiropentane 1.105 -0.019
CH3CH2CH2CH3 Butane 1.117 -0.018
CH2ClCH2CH2CH3 Butane, 1-chloro- 1.110 -0.018
C6H12 (E)-3-methylpent-2-ene 1.116 -0.018
C5H10S 2H-Thiopyran, tetrahydro- 1.114 -0.018
CH2CF2 Ethene, 1,1-difluoro- 1.091 -0.018
C5H12 Propane, 2,2-dimethyl- 1.114 -0.018
CH3OCl methyl hypochlorite 1.111 -0.017
C7H12 Norbornane 1.113 -0.017
C5H8 1,3-Butadiene, 2-methyl- 1.110 -0.017
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.102 -0.017
C5H10O 2H-Pyran, tetrahydro- 1.116 -0.017
C4H10O2 Ethane, 1,2-dimethoxy- 1.109 -0.016
C5H10O 2-Butanone, 3-methyl- 1.113 -0.016
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.098 -0.016
CH3CHClCH2CH3 Butane, 2-chloro- 1.110 -0.016
C4H8O2 Ethyl acetate 1.105 -0.016
C6H8 (Z)-hexa-1,3,5-triene 1.104 -0.015
C3H2N2 Malononitrile 1.109 -0.014
N(CH3)3 Trimethylamine 1.109 -0.014
CH3COCl Acetyl Chloride 1.105 -0.014
CH3COOH Acetic acid 1.100 -0.013
CH2NN diazomethane 1.075 -0.013
CH3COCH3 Acetone 1.103 -0.012
CH3SH Methanethiol 1.104 -0.012
CH3CCl3 Ethane, 1,1,1-trichloro- 1.093 -0.012
C5H8 1,4-Pentadiene 1.110 -0.012
CH2CHOH ethenol 1.097 -0.011
C2H8N2 Ethylenediamine 1.109 -0.011
CH3CN Acetonitrile 1.104 -0.011
C6H5NO2 Nitrobenzene 1.093 -0.011
CH3CH2NH2 Ethylamine 1.107 -0.010
CH3CCl2CH3 Propane, 2,2-dichloro- 1.101 -0.010
CH3CH2CHO Propanal 1.103 -0.010
C5H11N Piperidine 1.105 -0.010
C4H6O Cyclobutanone 1.100 -0.009
C3H8O2 Methane, dimethoxy- 1.108 -0.009
CH3ONO Methyl nitrite 1.102 -0.009
CH3CH(CH3)CH3 Isobutane 1.108 -0.009
C4H8O2 1,3-Dioxolane, 2-methyl- 1.102 -0.008
CH3CHNOH Acetaldoxime 1.100 -0.008
CH3O Methoxy radical 1.112 -0.008
C3H6S Thietane 1.100 -0.008
C5H6 1-Buten-3-yne, 2-methyl- 1.091 -0.007
C5H8 Cyclobutane, methylene- 1.101 -0.007
C2H3Cl Ethene, chloro- 1.090 -0.007
C8H8 cubane 1.097 -0.007
C6H5CH2CH3 Ethylbenzene 1.094 -0.007
CH3NO3 Methyl nitrate 1.095 -0.007
CHF2Cl difluorochloromethane 1.090 -0.006
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.006
C5H6S Thiophene, 3-methyl- 1.090 -0.006
CH2NH Methanimine 1.103 -0.006
CH2CS Thioketene 1.090 -0.005
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 1.089 -0.005
CH2N2 diazirine 1.090 -0.005
C6H10 1-Butyne, 3,3-dimethyl- 1.056 -0.005
C5H8O 2H-Pyran, 3,4-dihydro- 1.090 -0.005
HCCl Chloromethylene 1.119 -0.005
CH2CHF Ethene, fluoro- 1.087 -0.005
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.087 -0.005
C4H8O2 1,3-Dioxane 1.095 -0.004
C2H3Br vinyl bromide 1.088 -0.004
CH3CH2OH Ethanol 1.098 -0.004
CH2PH Phosphaethene 1.090 -0.004
CH3CH2CHO Propanal 1.105 -0.004
C3H5ClO Oxirane, (chloromethyl)- 1.095 -0.004
CH3CH2CHO Propanal 1.115 -0.004
CHClCCl2 Trichloroethylene 1.080 -0.004
C3H4N2 1H-Pyrazole 1.082 -0.003
CH3OH Methyl alcohol 1.096 -0.003
CH2PH Phosphaethene 1.090 -0.003
C4H4N2 1,3-Diazine 1.087 -0.003
CH3CH(CH3)CH3 Isobutane 1.100 -0.003
CH3SSCH3 Disulfide, dimethyl 1.097 -0.003
C3H4N2 1H-Pyrazole 1.083 -0.003
C2H4F2 1,2-difluoroethane 1.099 -0.003
C6H5CH3 toluene 1.100 -0.003
C5H6 1-Buten-3-yne, 2-methyl- 1.065 -0.002
C4H5N (E)-2-Butenenitrile 1.090 -0.002
CH3CHCl2 Ethane, 1,1-dichloro- 1.090 -0.002
CH3SCH2CH3 Ethane, (methylthio)- 1.097 -0.002
CH3PH2 Methyl phosphine 1.094 -0.002
CH2CO Ketene 1.083 -0.002
C3H4N2 1H-Pyrazole 1.080 -0.002
CH3NHCH3 Dimethylamine 1.098 -0.002
C6H10 cyclohexene 1.090 -0.002
C6H12 Cyclohexane 1.101 -0.002
CH2 Methylene 1.085 -0.002
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.088 -0.002
CH3NC methyl isocyanide 1.094 -0.001
CH2CHCHO Acrolein 1.089 -0.001
CH3SeCH3 dimethylselenide 1.093 -0.001
CH3Cl Methyl chloride 1.090 -0.001
CH3CH2CHO Propanal 1.096 -0.001
CH3ONO Methyl nitrite 1.090 -0.001
C6H8 Bicyclo[3.1.0]hex-2-ene 1.089 -0.001
CH3SiH3 methyl silane 1.096 -0.001
C3H3N acrylonitrile 1.086 -0.001
CH3CCH propyne 1.096 -0.001
C5H8 Bicyclo[2.1.0]pentane 1.085 -0.001
CH2CCH2 allene 1.087 -0.001
H2CO Formaldehyde 1.111 -0.001
CHFClBr fluorochlorobromomethane 1.088 -0.001
CH(CN)3 tricyanomethane 1.100 -0.000
CH2CHCH2CH3 1-Butene 1.095 -0.000
C5H8 Cyclopentene 1.095 -0.000
C3H8O2 Propylene glycol 1.095 -0.000
CH3NO3 Methyl nitrate 1.088 -0.000
CH3CHS Thioacetaldehyde 1.098 0.000
C2H2 Acetylene 1.063 0.000
C2H4 Ethylene 1.086 0.000
CH3OCHO methyl formate 1.101 0.000
CH2BrF Methane, bromofluoro- 1.090 0.000
CH3SOCH3 Dimethyl sulfoxide 1.093 0.000
CH2CHOH ethenol 1.086 0.000
C4H8 cyclobutane 1.093 0.000
C5H8 Cyclopentene 1.085 0.000
C3H7SH 1-Propanethiol 1.094 0.000
C4H6S Thiophene, 2,5-dihydro- 1.095 0.000
CH3CHO Acetaldehyde 1.114 0.000
C2H2ClF 1-chloro-1-fluoroethylene 1.082 0.000
CH3CHFCH3 2-Fluoropropane 1.093 0.001
C5H8 Bicyclo[2.1.0]pentane 1.095 0.001
C2H6O2S Dimethyl sulfone 1.091 0.001
CHClCHCl Ethene, 1,2-dichloro-, (E)- 1.075 0.001
CH3CHFCH3 2-Fluoropropane 1.094 0.001
C6H10 cyclohexene 1.100 0.001
CH3CHClCH3 Propane, 2-chloro- 1.091 0.001
C5H4O2 4-Cyclopentene-1,3-dione 1.093 0.001
CH3CHS Thioacetaldehyde 1.090 0.001
CH2CHCH2CH3 1-Butene 1.090 0.001
CH3SCH3 Dimethyl sulfide 1.091 0.001
C4H10O Propane, 2-methoxy- 1.095 0.001
CH2Cl2 Methylene chloride 1.085 0.001
CH2CHCHO Acrolein 1.113 0.001
C3H8 Propane 1.096 0.001
C4H4S Thiophene 1.079 0.001
HCCCN Cyanoacetylene 1.062 0.001
H2NCH2COOH Glycine 1.096 0.001
CH2FCl fluorochloromethane 1.090 0.001
C3H6 Cyclopropane 1.083 0.002
C4H6S Thiophene, 2,5-dihydro- 1.085 0.002
HFCO formyl fluoride 1.095 0.002
C6H6 Benzene 1.084 0.002
C3H4O Methylketene 1.083 0.002
C4H6O Furan, 2,5-dihydro- 1.100 0.002
C4H4O Furan 1.076 0.002
C4H6 Cyclobutene 1.094 0.002
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.095 0.002
C5H10 Cyclopropane, 1,1-dimethyl- 1.095 0.002
C6H8 1,4-Cyclohexadiene 1.100 0.002
C4H4N2 Succinonitrile 1.092 0.002
CH3SCH2CH3 Ethane, (methylthio)- 1.092 0.002
C3H8 Propane 1.094 0.002
C6H5F Fluorobenzene 1.083 0.002
C4H6 Cyclobutene 1.083 0.002
HCOOH Formic acid 1.097 0.002
CH2CHCHO Acrolein 1.084 0.002
C6H6 Benzvalene 1.082 0.002
C4H8 cyclobutane 1.091 0.002
HOCH2COOH Hydroxyacetic acid 1.097 0.002
C2H4S Thiirane 1.083 0.002
C4H5N Pyrrole 1.076 0.003
CH3CCH propyne 1.060 0.003
C6H5OH phenol 1.082 0.003
CHF3 Methane, trifluoro- 1.091 0.003
C2H3Br vinyl bromide 1.080 0.003
CH2O2 Dioxirane 1.090 0.003
C10H8 Azulene 1.080 0.003
CH3SeH Methane selenol 1.088 0.003
C6H5CH3 toluene 1.083 0.003
CHOCHCHCH3 2-Butenal 1.090 0.003
C10H8 Azulene 1.084 0.003
C6H5F Fluorobenzene 1.081 0.003
C6H5NH2 aniline 1.084 0.003
C5H6 1-Buten-3-yne, 2-methyl- 1.090 0.003
C4H5N (E)-2-Butenenitrile 1.090 0.003
C2H5Br Ethyl bromide 1.087 0.003
CH3OCH3 Dimethyl ether 1.099 0.003
C6H6 Benzvalene 1.078 0.003
C6H5Cl chlorobenzene 1.082 0.003
CHOCHCHCH3 2-Butenal 1.084 0.003
C10H8 Azulene 1.081 0.003
C6H6 Benzvalene 1.078 0.003
CH2CHOH ethenol 1.079 0.003
C6H6 Fulvene 1.080 0.003
CH3 Methyl radical 1.079 0.003
CH3NO2 Methane, nitro- 1.088 0.004
CH3CH2Cl Ethyl chloride 1.089 0.004
C10H16 adamantane 1.093 0.004
C3H7SH 1-Propanethiol 1.090 0.004
C2H5N Aziridine 1.084 0.004
C2H5N Aziridine 1.083 0.004
CH3CH(CH3)CH3 Isobutane 1.092 0.004
CH3SCH2CH3 Ethane, (methylthio)- 1.090 0.004
C3H6O Propylene oxide 1.090 0.004
C6H5OH phenol 1.084 0.004
CH2CHCHO Acrolein 1.081 0.004
C5H10 2-Pentene, (Z)- 1.092 0.004
CH2CHF Ethene, fluoro- 1.082 0.004
CH3OCHO methyl formate 1.086 0.004
C6H5Cl chlorobenzene 1.081 0.004
HCN Hydrogen cyanide 1.064 0.004
C2H5Br Ethyl bromide 1.093 0.004
C6H8 Bicyclo[3.1.0]hex-2-ene 1.082 0.004
C2H5F fluoroethane 1.095 0.004
C2H3 vinyl 1.080 0.004
C2H6 Ethane 1.091 0.004
C2H5F fluoroethane 1.091 0.004
H2CCCCH2 Butatriene 1.083 0.004
C2H2F2 Ethene, 1,2-difluoro-, (E)- 1.080 0.004
C6H6 Fulvene 1.078 0.004
C2H2+ acetylene cation 1.077 0.004
C5H6 1-Buten-3-yne, 2-methyl- 1.081 0.004
C3H7SH 1-Propanethiol 1.092 0.004
C6H5CH3 toluene 1.081 0.004
C2H5F fluoroethane 1.090 0.004
C6H12 Cyclohexane 1.093 0.005
CH3CH2Cl Ethyl chloride 1.086 0.005
C6H5Cl chlorobenzene 1.079 0.005
C3H4 cyclopropene 1.072 0.005
CH3CHClCH3 Propane, 2-chloro- 1.092 0.005
CH3CHSHCH3 2-Propanethiol 1.091 0.005
C6H5F Fluorobenzene 1.080 0.005
CH3SCH2CH3 Ethane, (methylthio)- 1.089 0.005
C2H3Cl Ethene, chloro- 1.079 0.005
C4H2 Diacetylene 1.058 0.005
C2H4O Ethylene oxide 1.084 0.005
H2CS Thioformaldehyde 1.087 0.005
C4H10O Propane, 2-methoxy- 1.095 0.005
C3H4 cyclopropene 1.088 0.005
C4H4N2 Pyrazine 1.083 0.005
C2H4F2 1,2-difluoroethane 1.093 0.005
CH3CHO Acetaldehyde 1.086 0.005
CH3COF Acetyl fluoride 1.084 0.005
C4H4Se selenophene 1.079 0.005
C4H10O Propane, 2-methoxy- 1.090 0.005
CH4 Methane 1.087 0.005
C4H4N2 1,3-Diazine 1.082 0.005
CHOCHCHCH3 2-Butenal 1.086 0.006
CH3CH2SH ethanethiol 1.091 0.006
C5H10 Cyclopropane, 1,1-dimethyl- 1.080 0.006
CH2CCl2 Ethene, 1,1-dichloro- 1.070 0.006
C4H5N (E)-2-Butenenitrile 1.081 0.006
CH3CHS Thioacetaldehyde 1.089 0.006
CH3CH2Cl Ethyl chloride 1.090 0.006
C5H6 Cyclopropylacetylene 1.080 0.006
C3H8 Propane 1.089 0.006
HCP Phosphaethyne 1.067 0.006
C2H3Br vinyl bromide 1.080 0.006
C6H5CH3 toluene 1.081 0.006
CH2CHF Ethene, fluoro- 1.077 0.006
CH3Br methyl bromide 1.082 0.006
SiH2(CH3)2 dimethylsilane 1.089 0.006
C6H8 Bicyclo[3.1.0]hex-2-ene 1.078 0.006
C6H10O cyclohexanone 1.088 0.006
C2H5CN ethyl cyanide 1.087 0.006
CH3S thiomethoxy 1.090 0.007
CH3CH2OH Ethanol 1.088 0.007
CHOCHCHCH3 2-Butenal 1.108 0.007
CH3CHFCH3 2-Fluoropropane 1.092 0.007
CH2Br2 dibromomethane 1.079 0.007
C10H8 Azulene 1.081 0.007
CH3CHFCH3 2-Fluoropropane 1.088 0.007
C10H8 Azulene 1.083 0.007
C2H3 vinyl 1.085 0.007
HCCBr bromoacetylene 1.055 0.007
C5H6 Cyclopropylacetylene 1.055 0.007
HCCCl Chloroacetylene 1.055 0.007
C6H5CCH phenylacetylene 1.055 0.007
C5H10 2-Pentene, (E)- 1.082 0.007
CH3OCH3 Dimethyl ether 1.085 0.008
CH3SCH2CH3 Ethane, (methylthio)- 1.087 0.008
C2H5CN ethyl cyanide 1.088 0.008
C6H8 Bicyclo[3.1.0]hex-2-ene 1.091 0.008
HCCF Fluoroacetylene 1.053 0.008
CH3NHCH3 Dimethylamine 1.098 0.008
CH3CH2O Ethoxy radical 1.085 0.009
CH3F Methyl fluoride 1.087 0.009
C4H4N2 1,3-Diazine 1.079 0.009
CH3CHNOH Acetaldoxime 1.085 0.009
C3H6O Propylene oxide 1.082 0.009
C4H4Se selenophene 1.070 0.010
C3H4O Methylketene 1.083 0.010
C6H5OH phenol 1.076 0.010
CHF2CHF2 1,1,2,2-tetrafluoroethane 1.087 0.010
CH3NH2 methyl amine 1.093 0.010
HCS+ Thioformyl cation 1.079 0.010
GeH3CH3 methyl germane 1.083 0.010
CH3OCl methyl hypochlorite 1.086 0.010
CH3CH2O Ethoxy radical 1.086 0.010
CH3NHCH3 Dimethylamine 1.084 0.010
C5H8 1,3-Butadiene, 2-methyl- 1.076 0.010
CHCl3 Chloroform 1.073 0.011
CH2NH Methanimine 1.081 0.012
C6H5Br bromobenzene 1.072 0.012
CH3CHF2 Ethane, 1,1-difluoro- 1.081 0.012
CH Methylidyne 1.120 0.012
C8H8 cyclooctatetraene 1.079 0.012
CH2F2 Methane, difluoro- 1.084 0.012
C5H6S Thiophene, 3-methyl- 1.081 0.013
C3H7N Cyclopropylamine 1.080 0.015
CH3CH2OH Ethanol 1.086 0.016
CH2NCH3 N-methylmethanimine 1.089 0.016
C4H9N Pyrrolidine 1.090 0.016
C4H4N2 Pyridazine 1.064 0.016
CH3CH2O Ethoxy radical 1.088 0.017
C2H Ethynyl radical 1.047 0.019
CHONH2 formamide 1.090 0.019
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.072 0.020
N(CH3)3 Trimethylamine 1.088 0.021
C5H10 2-Pentene, (Z)- 1.058 0.033
HCNO fulminic acid 1.027 0.033
CH3SOCH3 Dimethyl sulfoxide 1.054 0.038
HCO Formyl radical 1.080 0.049
C4H4N2O2 Uracil 0.957 0.127
C4H4N2O2 Uracil 0.931 0.148
C4H10O Methyl propyl ether 1.099 0.311
C3H3NO Isoxazole 1.075 0.346
C4H6 1-Methylcyclopropene 1.070 0.439
C4H6 1-Methylcyclopropene 1.098 0.662
C4H6 1-Methylcyclopropene 1.098 0.682
C4H8S Thiophene, tetrahydro- 1.117 0.721
C4H6 1-Methylcyclopropene 1.087 0.738
C4H10O Ethanol, 1,1-dimethyl- 1.117 1.314
C4H6 1-Methylcyclopropene 1.087 2.336
C4H6 1-Methylcyclopropene 1.085 3.131