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

MP3=FULL/6-31+G** for rCH

Histogram of Bond length differences (in Å) vs number of species


Differences greater than 2.200 are in the 2.200 bin. Differences less than -0.200 are in the -0.200 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
-0.200 0.000 0.200 0.400 0.600 0.800 1.000 1.200 1.400 1.600 1.800 2.000 2.200
bond length difference calc. - exp. (Å)

  Species Name Difference (Å)
Most negative difference C3H4O Cyclopropanone-0.073
Most positive difference C4H10O Ethanol, 1,1-dimethyl-1.304

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C3H4O Cyclopropanone 1.086 -0.073
C4H6 Methylenecyclopropane 1.088 -0.053
CH3CF3 Ethane, 1,1,1-trifluoro- 1.081 -0.053
C4H6 Methylenecyclopropane 1.090 -0.051
C3H8O2 1,3-Propanediol 1.140 -0.050
C6H6 Fulvene 1.130 -0.050
CH2CHOCHCH2 Vinyl ether 1.103 -0.042
C5H8O Methyl cyclopropyl ketone 1.126 -0.041
CH3CONH2 Acetamide 1.124 -0.041
CHOCH(CH3)CH3 Propanal, 2-methyl- 1.127 -0.038
C4H10O Ethoxy ethane 1.100 -0.038
C2H2O2 Ethanedial 1.132 -0.034
CH2SHCH2SH 1,2-Ethanedithiol 1.120 -0.033
CHBr3 bromoform 1.110 -0.032
CHCl3 Chloroform 1.073 -0.030
C2H6N2O2 Dimethylnitroamine 1.121 -0.030
C3H7NO dimethylformamide 1.112 -0.029
C6H14 Hexane 1.118 -0.029
HCONHCH3 N-methylformamide 1.114 -0.029
CH2ClCH2Cl Ethane, 1,2-dichloro- 1.112 -0.029
CH3CCCH3 2-Butyne 1.116 -0.028
C2H3CCH 1-Buten-3-yne 1.090 -0.028
C4H5N Cyclopropanecarbonitrile 1.107 -0.028
CHClCHCl Ethene, 1,2-dichloro-, (Z)- 1.101 -0.028
C4H10O Ethoxy ethane 1.092 -0.027
C7H16 heptane 1.121 -0.027
C2H3CCH 1-Buten-3-yne 1.106 -0.027
C5H12O Butane, 1-methoxy- 1.115 -0.027
C5H6 Propellane 1.106 -0.026
C6H12 (E)-3-methylpent-2-ene 1.116 -0.026
C2HF3 Trifluoroethylene 1.100 -0.025
C3H6S3 1,3,5-Trithiane 1.114 -0.025
CH3OCl methyl hypochlorite 1.111 -0.025
CH3CH2CH2CH3 Butane 1.117 -0.025
Si(CH3)4 tetramethylsilane 1.115 -0.025
C5H10 Cyclopentane 1.114 -0.025
HCF Fluoromethylene 1.138 -0.024
C5H12 Pentane 1.118 -0.024
CH2ClCH2CH2CH3 Butane, 1-chloro- 1.110 -0.024
C5H8 Spiropentane 1.105 -0.024
C5H10S 2H-Thiopyran, tetrahydro- 1.114 -0.024
C5H12 Propane, 2,2-dimethyl- 1.114 -0.024
C4H10O2 Ethane, 1,2-dimethoxy- 1.109 -0.023
C5H10O 2-Butanone, 3-methyl- 1.113 -0.023
C5H8 1,3-Butadiene, 2-methyl- 1.110 -0.023
C7H12 Norbornane 1.113 -0.023
C4H10O Ethoxy ethane 1.090 -0.023
C5H10O 2H-Pyran, tetrahydro- 1.116 -0.022
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.102 -0.022
CH2CHCHO Acrolein 1.113 -0.022
CH3CHClCH2CH3 Butane, 2-chloro- 1.110 -0.022
C4H8O2 Ethyl acetate 1.105 -0.022
N(CH3)3 Trimethylamine 1.109 -0.021
C3H2N2 Malononitrile 1.109 -0.021
CH3COCl Acetyl Chloride 1.105 -0.021
CH2NN diazomethane 1.075 -0.020
C6H8 (Z)-hexa-1,3,5-triene 1.104 -0.020
CH2CF2 Ethene, 1,1-difluoro- 1.091 -0.020
CH3COOH Acetic acid 1.100 -0.020
CH3SH Methanethiol 1.104 -0.019
CH3CN Acetonitrile 1.104 -0.018
CH3CH2NH2 Ethylamine 1.107 -0.018
C5H8 1,4-Pentadiene 1.110 -0.018
CH3COCH3 Acetone 1.103 -0.018
CH3O Methoxy radical 1.112 -0.018
C2H8N2 Ethylenediamine 1.109 -0.018
C5H8 Ethenylcyclopropane 1.099 -0.018
CH2CHOH ethenol 1.097 -0.017
C12H8 biphenylene 1.096 -0.016
CH3CH2CHO Propanal 1.103 -0.016
HCCl Chloromethylene 1.119 -0.016
C6H5NO2 Nitrobenzene 1.093 -0.016
CH3CCl2CH3 Propane, 2,2-dichloro- 1.101 -0.016
CH3ONO Methyl nitrite 1.102 -0.015
C3H8O2 Methane, dimethoxy- 1.108 -0.015
H2CO Formaldehyde 1.111 -0.015
C4H6O Cyclobutanone 1.100 -0.015
CH3CH(CH3)CH3 Isobutane 1.108 -0.015
CH3CCl3 Ethane, 1,1,1-trichloro- 1.093 -0.014
C4H8O2 1,3-Dioxolane, 2-methyl- 1.102 -0.014
CH3CHNOH Acetaldoxime 1.100 -0.014
C3H6S Thietane 1.100 -0.014
CH3CH2CHO Propanal 1.115 -0.013
CH2NH Methanimine 1.103 -0.013
CH3CHO Acetaldehyde 1.114 -0.013
C5H8 Cyclobutane, methylene- 1.101 -0.013
CH3NO3 Methyl nitrate 1.095 -0.012
C2H3Cl Ethene, chloro- 1.090 -0.012
CH3SCH2CH3 Ethane, (methylthio)- 1.092 -0.012
C8H8 cubane 1.097 -0.012
CH2CS Thioketene 1.090 -0.012
C5H6 1-Buten-3-yne, 2-methyl- 1.091 -0.012
CH2N2 diazirine 1.090 -0.012
CH3CH2CHO Propanal 1.105 -0.012
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 1.089 -0.012
C6H5CH2CH3 Ethylbenzene 1.094 -0.012
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.011
C4H8O2 1,3-Dioxane 1.095 -0.011
C3H5ClO Oxirane, (chloromethyl)- 1.095 -0.011
C5H6S Thiophene, 3-methyl- 1.090 -0.011
C4H6 1-Methylcyclopropene 1.098 -0.011
CH3CH2OH Ethanol 1.098 -0.010
CH2CHF Ethene, fluoro- 1.087 -0.010
CH2PH Phosphaethene 1.090 -0.010
C2H4F2 1,2-difluoroethane 1.099 -0.010
C5H8O 2H-Pyran, 3,4-dihydro- 1.090 -0.010
C3H6O 2-Propen-1-ol 1.091 -0.010
CH3SSCH3 Disulfide, dimethyl 1.097 -0.010
CH2PH Phosphaethene 1.090 -0.010
C3H6O 2-Propen-1-ol 1.092 -0.010
C6H5CH3 toluene 1.100 -0.010
CH2 Methylene 1.085 -0.010
CH4 Methane 1.087 -0.010
C2H3Br vinyl bromide 1.088 -0.009
CH3CH(CH3)CH3 Isobutane 1.100 -0.009
CH3CCH propyne 1.096 -0.009
CHF2Cl difluorochloromethane 1.090 -0.009
C4H6 1-Methylcyclopropene 1.098 -0.009
C4H4N2 1,3-Diazine 1.087 -0.009
CH3NHCH3 Dimethylamine 1.098 -0.009
HFCO formyl fluoride 1.095 -0.009
CH3NC methyl isocyanide 1.094 -0.009
CH2NOH formaldoxime 1.086 -0.009
CH3CH2CHO Propanal 1.096 -0.009
CH3OCHO methyl formate 1.101 -0.008
CH2CHCHO Acrolein 1.089 -0.008
CH2BrF Methane, bromofluoro- 1.090 -0.008
C3H6O 2-Propen-1-ol 1.102 -0.008
CH2CO Ketene 1.083 -0.008
C2H4 Ethylene 1.086 -0.008
CH3CHCl2 Ethane, 1,1-dichloro- 1.090 -0.008
CHF3 Methane, trifluoro- 1.091 -0.008
CH3PH2 Methyl phosphine 1.094 -0.008
CH(CN)3 tricyanomethane 1.100 -0.008
C6H12 Cyclohexane 1.101 -0.008
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.088 -0.008
CH3SeCH3 dimethylselenide 1.093 -0.008
CH3ONO Methyl nitrite 1.090 -0.008
C3H4N2 1H-Pyrazole 1.083 -0.008
CH3NO nitrosomethane 1.094 -0.008
CH3SiH3 methyl silane 1.096 -0.007
CH3CHS Thioacetaldehyde 1.098 -0.007
CH3Cl Methyl chloride 1.090 -0.007
CHFClBr fluorochlorobromomethane 1.088 -0.007
C3H4N2 1H-Pyrazole 1.082 -0.007
H2NCH2COOH Glycine 1.096 -0.007
CH2CCH2 allene 1.087 -0.007
CH3COCH2CH3 2-Butanone 1.095 -0.007
C4H5N (E)-2-Butenenitrile 1.090 -0.007
C4H6O Furan, 2,5-dihydro- 1.100 -0.007
C6H10 cyclohexene 1.090 -0.007
C6H8 Bicyclo[3.1.0]hex-2-ene 1.089 -0.007
C3H4N2 1H-Pyrazole 1.080 -0.007
C4H6S Thiophene, 2,5-dihydro- 1.095 -0.007
C3H3N acrylonitrile 1.086 -0.007
CH2CHCH2CH3 1-Butene 1.095 -0.006
CH3COCH2CH3 2-Butanone 1.096 -0.006
C3H8O2 Propylene glycol 1.095 -0.006
CH3NO3 Methyl nitrate 1.088 -0.006
C6H8 1,4-Cyclohexadiene 1.100 -0.006
CH3CHFCH3 2-Fluoropropane 1.093 -0.006
CH2FCl fluorochloromethane 1.090 -0.006
CHClCCl2 Trichloroethylene 1.080 -0.006
C5H8 Bicyclo[2.1.0]pentane 1.085 -0.006
CH3COCH2CH3 2-Butanone 1.093 -0.006
C6H10 cyclohexene 1.100 -0.006
CH2O2 Dioxirane 1.090 -0.006
CH3COCH2CH3 2-Butanone 1.091 -0.006
CH3CHFCH3 2-Fluoropropane 1.094 -0.006
CH2FCH2CH3 1-Fluoropropane 1.095 -0.006
CH3OC2H5 Ethane, methoxy- 1.099 -0.006
HOCH2COOH Hydroxyacetic acid 1.097 -0.006
CH3SCH2CH3 Ethane, (methylthio)- 1.090 -0.006
C2H2ClF 1-chloro-1-fluoroethylene 1.082 -0.006
C5H8 Cyclopentene 1.095 -0.006
C2H5F fluoroethane 1.095 -0.005
C2H6O2S Dimethyl sulfone 1.091 -0.005
CH3SCH3 Dimethyl sulfide 1.091 -0.005
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.095 -0.005
HCOOH Formic acid 1.097 -0.005
C4H10O Propane, 2-methoxy- 1.095 -0.005
C3H8 Propane 1.096 -0.005
CH2CHOH ethenol 1.086 -0.005
CH2CHCH2CH3 1-Butene 1.090 -0.005
CH2CHCHO Acrolein 1.084 -0.005
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.005
C4H8 cyclobutane 1.093 -0.005
C4H6 Cyclobutene 1.094 -0.005
CH3CHS Thioacetaldehyde 1.090 -0.005
CH3OC2H5 Ethane, methoxy- 1.092 -0.005
CH3 Methyl radical 1.079 -0.005
CH Methylidyne 1.120 -0.005
C5H10 Cyclopropane, 1,1-dimethyl- 1.095 -0.005
CH3SCH2CH3 Ethane, (methylthio)- 1.089 -0.005
CH2FCH2CH3 1-Fluoropropane 1.094 -0.005
C5H8 Cyclopentene 1.085 -0.005
C5H4O2 4-Cyclopentene-1,3-dione 1.093 -0.005
CH3OC2H5 Ethane, methoxy- 1.100 -0.005
C3H4O Methylketene 1.083 -0.005
CH2Cl2 Methylene chloride 1.085 -0.004
C4H4N2 Succinonitrile 1.092 -0.004
CH3OCH3 Dimethyl ether 1.099 -0.004
C3H8 Propane 1.094 -0.004
CH2CHF Ethene, fluoro- 1.082 -0.004
C4H6 Cyclobutene 1.083 -0.004
C4H6S Thiophene, 2,5-dihydro- 1.085 -0.004
CH3NO nitrosomethane 1.092 -0.004
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.092 -0.004
C2H4S Thiirane 1.083 -0.004
C2H3 vinyl 1.080 -0.004
C3H6 Cyclopropane 1.083 -0.004
CH2FCH2CH3 1-Fluoropropane 1.093 -0.004
C4H4S Thiophene 1.079 -0.004
H2CS Thioformaldehyde 1.087 -0.004
C6H10 1-Butyne, 3,3-dimethyl- 1.056 -0.004
C6H6 Benzene 1.084 -0.004
C3H6O 2-Propen-1-ol 1.096 -0.004
C2H5N Aziridine 1.083 -0.003
C3H4 cyclopropene 1.088 -0.003
C2H5Br Ethyl bromide 1.087 -0.003
CH3NO2 Methane, nitro- 1.088 -0.003
C5H6 1-Buten-3-yne, 2-methyl- 1.065 -0.003
CH3OCHO methyl formate 1.086 -0.003
CH3SeH Methane selenol 1.088 -0.003
CHOCHCHCH3 2-Butenal 1.108 -0.003
C2H4O Ethylene oxide 1.084 -0.003
C2H5Br Ethyl bromide 1.093 -0.003
C6H5F Fluorobenzene 1.083 -0.003
CH2CHCHO Acrolein 1.081 -0.003
C6H6 Benzvalene 1.082 -0.003
C6H6 Benzvalene 1.078 -0.003
C2H3Br vinyl bromide 1.080 -0.003
C4H8 cyclobutane 1.091 -0.003
C10H8 Azulene 1.084 -0.003
CH3CH(CH3)CH3 Isobutane 1.092 -0.003
C3H3NO Oxazole 1.075 -0.003
CHOCHCHCH3 2-Butenal 1.090 -0.003
C3H3NO Oxazole 1.075 -0.003
C5H8O Cyclopentanone 1.095 -0.003
C5H6 1-Buten-3-yne, 2-methyl- 1.090 -0.003
C2H5F fluoroethane 1.090 -0.003
C2H6 Ethane 1.091 -0.003
CH2CHOH ethenol 1.079 -0.003
CH3CH2Cl Ethyl chloride 1.089 -0.003
C2H4F2 1,2-difluoroethane 1.093 -0.003
C2H5F fluoroethane 1.091 -0.003
C4H5N (E)-2-Butenenitrile 1.090 -0.003
C6H8 Bicyclo[3.1.0]hex-2-ene 1.082 -0.003
C5H10 2-Pentene, (Z)- 1.092 -0.003
CH3CHS Thioacetaldehyde 1.089 -0.003
C4H4O Furan 1.076 -0.003
CH2NOH formaldoxime 1.085 -0.003
C2H5N Aziridine 1.084 -0.003
C3H3NO Oxazole 1.073 -0.002
H2CCCCH2 Butatriene 1.083 -0.002
C6H5CH3 toluene 1.083 -0.002
C4H10O Propane, 2-methoxy- 1.095 -0.002
C6H5NH2 aniline 1.084 -0.002
C10H8 Azulene 1.080 -0.002
C2H2 Acetylene 1.063 -0.002
C2H2F2 Ethene, 1,2-difluoro-, (E)- 1.080 -0.002
C4H5N Pyrrole 1.076 -0.002
C10H8 Azulene 1.081 -0.002
C6H12 Cyclohexane 1.093 -0.002
CH3CHFCH3 2-Fluoropropane 1.092 -0.002
C6H6 Fulvene 1.080 -0.002
C6H5Cl chlorobenzene 1.082 -0.002
C6H5F Fluorobenzene 1.081 -0.002
CH3CH2SH ethanethiol 1.091 -0.002
CH3COF Acetyl fluoride 1.084 -0.002
CH3CH2Cl Ethyl chloride 1.086 -0.002
C6H6 Benzvalene 1.078 -0.002
CH3F Methyl fluoride 1.087 -0.002
CHOCHCHCH3 2-Butenal 1.084 -0.001
C10H16 adamantane 1.093 -0.001
C4H4N2 1,3-Diazine 1.082 -0.001
CH3CHSHCH3 2-Propanethiol 1.091 -0.001
C6H5Cl chlorobenzene 1.081 -0.001
CHClCHCl Ethene, 1,2-dichloro-, (E)- 1.075 -0.001
CH3CHO Acetaldehyde 1.086 -0.001
CH3CH2Cl Ethyl chloride 1.090 -0.001
CH3Br methyl bromide 1.082 -0.001
C5H6 1-Buten-3-yne, 2-methyl- 1.081 -0.001
CH3S thiomethoxy 1.090 -0.001
C4H10O Propane, 2-methoxy- 1.090 -0.001
CH3OC2H5 Ethane, methoxy- 1.086 -0.001
C4H4Se selenophene 1.079 -0.001
C3H3NO Isoxazole 1.075 -0.001
C6H5CH3 toluene 1.081 -0.001
C2H5CN ethyl cyanide 1.087 -0.001
CH3SCH2CH3 Ethane, (methylthio)- 1.097 -0.001
C2H6O2 1,2-Ethanediol 1.093 -0.001
C6H10O cyclohexanone 1.088 -0.001
C2H3Cl Ethene, chloro- 1.079 -0.001
C6H5F Fluorobenzene 1.080 -0.000
C3H8 Propane 1.089 -0.000
HCP Phosphaethyne 1.067 -0.000
CH3COCH2CH3 2-Butanone 1.093 -0.000
CH3OC2H5 Ethane, methoxy- 1.089 -0.000
C6H6 Fulvene 1.078 -0.000
C3H4 cyclopropene 1.072 -0.000
C2H2+ acetylene cation 1.077 -0.000
SiH2(CH3)2 dimethylsilane 1.089 -0.000
C2H3Br vinyl bromide 1.080 -0.000
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.091 -0.000
HCN Hydrogen cyanide 1.064 -0.000
C6H5Cl chlorobenzene 1.079 -0.000
C5H10 Cyclopropane, 1,1-dimethyl- 1.080 -0.000
C4H5N (E)-2-Butenenitrile 1.081 -0.000
CHOCHCHCH3 2-Butenal 1.086 -0.000
HCCCN Cyanoacetylene 1.062 0.000
CH3NHCH3 Dimethylamine 1.098 0.000
C4H6 1-Methylcyclopropene 1.087 0.000
C4H6 1-Methylcyclopropene 1.087 0.000
CH2CHF Ethene, fluoro- 1.077 0.000
C5H6 Cyclopropylacetylene 1.080 0.000
C2H5CN ethyl cyanide 1.088 0.000
C2H3 vinyl 1.085 0.000
CH3OCH3 Dimethyl ether 1.085 0.000
CH3CH2OH Ethanol 1.088 0.000
C6H8 Bicyclo[3.1.0]hex-2-ene 1.078 0.001
CH3SCH2CH3 Ethane, (methylthio)- 1.087 0.001
C6H8 Bicyclo[3.1.0]hex-2-ene 1.091 0.001
CH3CHFCH3 2-Fluoropropane 1.088 0.001
HCS+ Thioformyl cation 1.079 0.001
C6H5CH3 toluene 1.081 0.001
C3H6O 2-Propen-1-ol 1.078 0.001
CH3NH2 methyl amine 1.093 0.001
CH3CCH propyne 1.060 0.001
C10H8 Azulene 1.081 0.001
C10H8 Azulene 1.083 0.001
CH2Br2 dibromomethane 1.079 0.002
C5H10 2-Pentene, (E)- 1.082 0.002
CH3CH2O Ethoxy radical 1.085 0.002
C4H4N2 1,3-Diazine 1.079 0.003
C4H6 1-Methylcyclopropene 1.070 0.003
CH3CHNOH Acetaldoxime 1.085 0.003
CH3OCl methyl hypochlorite 1.086 0.003
CH2FCH2CH3 1-Fluoropropane 1.084 0.003
CH2NH Methanimine 1.081 0.003
CH2F2 Methane, difluoro- 1.084 0.003
CH3NHCH3 Dimethylamine 1.084 0.003
CH3CH2O Ethoxy radical 1.086 0.003
C4H2 Diacetylene 1.058 0.004
CH2CCl2 Ethene, 1,1-dichloro- 1.070 0.004
C4H6 1-Methylcyclopropene 1.085 0.004
GeH3CH3 methyl germane 1.083 0.004
C3H4O Methylketene 1.083 0.004
C8H8 cyclooctatetraene 1.079 0.004
C4H4Se selenophene 1.070 0.005
C5H8 1,3-Butadiene, 2-methyl- 1.076 0.005
HCCBr bromoacetylene 1.055 0.005
HCCCl Chloroacetylene 1.055 0.005
C3H7N Cyclopropylamine 1.080 0.006
C5H6 Cyclopropylacetylene 1.055 0.007
HCCF Fluoroacetylene 1.053 0.007
C6H5CCH phenylacetylene 1.055 0.007
C6H5Br bromobenzene 1.072 0.007
C5H6S Thiophene, 3-methyl- 1.081 0.007
CH2NCH3 N-methylmethanimine 1.089 0.007
CH3CH2O Ethoxy radical 1.088 0.007
CH3CH2OH Ethanol 1.086 0.008
CHONH2 formamide 1.090 0.009
N(CH3)3 Trimethylamine 1.088 0.013
C3H5 Allyl radical 1.069 0.014
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.072 0.014
C2H Ethynyl radical 1.047 0.015
C5H10 2-Pentene, (Z)- 1.058 0.027
HCNO fulminic acid 1.027 0.031
HCO Formyl radical 1.080 0.032
C4H4N2O2 Uracil 0.957 0.122
C4H4N2O2 Uracil 0.931 0.144
C4H10O Methyl propyl ether 1.099 0.314
C4H10O Ethanol, 1,1-dimethyl- 1.117 1.304