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

CISD/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 350
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-0.050
Most positive difference C4H6 1-Methylcyclopropene3.118

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C3H8O2 1,3-Propanediol 1.140 -0.050
C6H6 Fulvene 1.130 -0.050
C5H8O Methyl cyclopropyl ketone 1.126 -0.041
CH3CONH2 Acetamide 1.124 -0.039
CHOCH(CH3)CH3 Propanal, 2-methyl- 1.127 -0.038
C2H2O2 Ethanedial 1.132 -0.034
CH2SHCH2SH 1,2-Ethanedithiol 1.120 -0.032
CHBr3 bromoform 1.110 -0.032
C4H6O2 2,3-Butanedione 1.114 -0.030
CH2ClCHClCH3 Propane, 1,2-dichloro- 1.113 -0.030
C3H7NO dimethylformamide 1.112 -0.029
HCONHCH3 N-methylformamide 1.114 -0.028
C2H3CCH 1-Buten-3-yne 1.090 -0.027
C4H5N Cyclopropanecarbonitrile 1.107 -0.027
CH2ClCH2Cl Ethane, 1,2-dichloro- 1.112 -0.027
C2HF3 Trifluoroethylene 1.100 -0.026
CH2ClCH2CH3 Propane, 1-chloro- 1.113 -0.026
CH3CCCH3 2-Butyne 1.116 -0.026
C3H6S3 1,3,5-Trithiane 1.114 -0.026
C2H3CCH 1-Buten-3-yne 1.106 -0.025
C5H6 Propellane 1.106 -0.024
C5H12 Pentane 1.118 -0.024
CH2ClCH2CH2CH3 Butane, 1-chloro- 1.110 -0.024
Si(CH3)4 tetramethylsilane 1.115 -0.024
C5H10S 2H-Thiopyran, tetrahydro- 1.114 -0.024
C5H10 Cyclopentane 1.114 -0.024
CH3CH2CH2CH3 Butane 1.117 -0.024
C5H8 Spiropentane 1.105 -0.023
C5H12 Propane, 2,2-dimethyl- 1.114 -0.023
CH3OCl methyl hypochlorite 1.111 -0.023
CHClCHCl Ethene, 1,2-dichloro-, (Z)- 1.101 -0.022
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.102 -0.022
C4H8O2 Ethyl acetate 1.105 -0.022
CH3CHClCH2CH3 Butane, 2-chloro- 1.110 -0.021
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.098 -0.020
C3H2N2 Malononitrile 1.109 -0.020
N(CH3)3 Trimethylamine 1.109 -0.020
CH3COCl Acetyl Chloride 1.105 -0.019
C12H8 biphenylene 1.096 -0.018
C5H8 1,4-Pentadiene 1.110 -0.018
CH3COCH3 Acetone 1.103 -0.017
C5H8 Ethenylcyclopropane 1.099 -0.016
C2H8N2 Ethylenediamine 1.109 -0.016
CH2CHOH ethenol 1.097 -0.016
CH3ONO Methyl nitrite 1.102 -0.016
CH3COOH Acetic acid 1.100 -0.016
CH3CN Acetonitrile 1.104 -0.015
CH3CCl2CH3 Propane, 2,2-dichloro- 1.101 -0.015
CH3CH2NH2 Ethylamine 1.107 -0.015
CH3CH2CHO Propanal 1.103 -0.015
CH3SH Methanethiol 1.104 -0.014
CH3CH(CH3)CH3 Isobutane 1.108 -0.014
C6H5CH2CH3 Ethylbenzene 1.094 -0.013
CH3O Methoxy radical 1.112 -0.012
C8H8 cubane 1.097 -0.012
C4H8O2 1,3-Dioxane 1.095 -0.012
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 1.089 -0.012
C5H8 Cyclobutane, methylene- 1.101 -0.012
C3H6S Thietane 1.100 -0.012
CH3NO3 Methyl nitrate 1.095 -0.011
C5H6 1-Buten-3-yne, 2-methyl- 1.091 -0.011
CH3CH2CHO Propanal 1.115 -0.011
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.011
C3H5ClO Oxirane, (chloromethyl)- 1.095 -0.010
CH3CH2CHO Propanal 1.105 -0.010
C2H3Cl Ethene, chloro- 1.090 -0.010
CH2N2 diazirine 1.090 -0.010
CH2NH Methanimine 1.103 -0.010
CH3CHO Acetaldehyde 1.114 -0.010
HCCl Chloromethylene 1.119 -0.010
CH2CHCHO Acrolein 1.113 -0.010
CH(CN)3 tricyanomethane 1.100 -0.009
H2CO Formaldehyde 1.111 -0.009
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.087 -0.009
CH2CS Thioketene 1.090 -0.009
C3H6O 2-Propen-1-ol 1.091 -0.009
C3H6O 2-Propen-1-ol 1.092 -0.008
CH3CH2OH Ethanol 1.098 -0.008
CH3SSCH3 Disulfide, dimethyl 1.097 -0.008
CH2CHF Ethene, fluoro- 1.087 -0.008
CHF3 Methane, trifluoro- 1.091 -0.008
CHF2Cl difluorochloromethane 1.090 -0.008
CH3CH(CH3)CH3 Isobutane 1.100 -0.008
C3H8O2 Propylene glycol 1.095 -0.008
CHFClBr fluorochlorobromomethane 1.088 -0.007
CH3CHCl2 Ethane, 1,1-dichloro- 1.090 -0.007
C6H10 cyclohexene 1.090 -0.007
CH3OH Methyl alcohol 1.096 -0.007
C2H3Br vinyl bromide 1.088 -0.007
C3H4N2 1H-Pyrazole 1.082 -0.007
CH3ONO Methyl nitrite 1.090 -0.007
C4H5N (E)-2-Butenenitrile 1.090 -0.007
CH3CH2CHO Propanal 1.096 -0.007
C4H6 Methylenecyclopropane 1.090 -0.007
C3H4N2 1H-Pyrazole 1.083 -0.007
C4H6O Furan, 2,5-dihydro- 1.100 -0.007
CH3CCl3 Ethane, 1,1,1-trichloro- 1.093 -0.007
CH3NHCH3 Dimethylamine 1.098 -0.007
CH3SCH2CH3 Ethane, (methylthio)- 1.097 -0.007
H2NCH2COOH Glycine 1.096 -0.007
CH2BrF Methane, bromofluoro- 1.090 -0.006
C6H10 cyclohexene 1.100 -0.006
CH2NOH formaldoxime 1.086 -0.006
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.088 -0.006
CH2CHCHO Acrolein 1.089 -0.006
C2H4F2 1,2-difluoroethane 1.094 -0.006
CH2PH Phosphaethene 1.090 -0.006
C4H6 Methylenecyclopropane 1.088 -0.006
HOCH2COOH Hydroxyacetic acid 1.097 -0.006
C3H6O 2-Propen-1-ol 1.102 -0.006
CH3NC methyl isocyanide 1.094 -0.006
C4H6S Thiophene, 2,5-dihydro- 1.095 -0.006
CH3NO nitrosomethane 1.094 -0.006
C3H4N2 1H-Pyrazole 1.080 -0.006
C6H8 1,4-Cyclohexadiene 1.100 -0.006
CH3NO3 Methyl nitrate 1.088 -0.005
C5H4O2 4-Cyclopentene-1,3-dione 1.093 -0.005
C3H3N acrylonitrile 1.086 -0.005
CH3CCH propyne 1.096 -0.005
C4H10O Propane, 2-methoxy- 1.095 -0.005
HFCO formyl fluoride 1.095 -0.005
CH2CO Ketene 1.083 -0.005
CH3SeCH3 dimethylselenide 1.093 -0.005
HCOOH Formic acid 1.097 -0.005
CH2FCl fluorochloromethane 1.090 -0.005
CHOCHCHCH3 2-Butenal 1.108 -0.005
CH2O2 Dioxirane 1.090 -0.005
CH2CHCH2CH3 1-Butene 1.095 -0.005
CH2PH Phosphaethene 1.090 -0.005
C2H6O2S Dimethyl sulfone 1.091 -0.005
C10H8 Azulene 1.084 -0.005
C5H8 Bicyclo[2.1.0]pentane 1.085 -0.004
C4H10O Ethoxy ethane 1.100 -0.004
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.004
CH3CHS Thioacetaldehyde 1.098 -0.004
CH3CHFCH3 2-Fluoropropane 1.094 -0.004
CH3CHFCH3 2-Fluoropropane 1.093 -0.004
CH3OC2H5 Ethane, methoxy- 1.099 -0.004
CH2CCH2 allene 1.087 -0.004
C2H5F fluoroethane 1.095 -0.004
C3H7SH 1-Propanethiol 1.094 -0.004
CH3PH2 Methyl phosphine 1.094 -0.004
C2H2ClF 1-chloro-1-fluoroethylene 1.082 -0.004
C5H10 Cyclopropane, 1,1-dimethyl- 1.095 -0.004
CH3CHClCH3 Propane, 2-chloro- 1.091 -0.004
CH2 Methylene 1.085 -0.004
C4H6S Thiophene, 2,5-dihydro- 1.085 -0.004
C4H10O Propane, 2-methoxy- 1.095 -0.004
C6H5CN phenyl cyanide 1.082 -0.003
CH2CHCH2CH3 1-Butene 1.090 -0.003
CHClCCl2 Trichloroethylene 1.080 -0.003
C10H8 Azulene 1.080 -0.003
C6H5F Fluorobenzene 1.083 -0.003
C3H4O Cyclopropanone 1.086 -0.003
CH3OC2H5 Ethane, methoxy- 1.092 -0.003
CH3OC2H5 Ethane, methoxy- 1.100 -0.003
C10H16 adamantane 1.093 -0.003
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.092 -0.003
C10H8 Azulene 1.081 -0.003
C5H6 1-Buten-3-yne, 2-methyl- 1.065 -0.003
C5H8O Cyclopentanone 1.095 -0.003
CH3Cl Methyl chloride 1.090 -0.003
CH3OCH3 Dimethyl ether 1.099 -0.003
C4H8 cyclobutane 1.093 -0.003
CH2CHOH ethenol 1.086 -0.003
C4H6 Cyclobutene 1.094 -0.003
C2H2F2 Ethene, 1,2-difluoro-, (E)- 1.080 -0.003
CHF2CHF2 1,1,2,2-tetrafluoroethane 1.087 -0.003
C6H5F Fluorobenzene 1.081 -0.003
C4H10O Ethoxy ethane 1.092 -0.003
C4H4N2 Pyrazine 1.083 -0.003
CH3SCH2CH3 Ethane, (methylthio)- 1.092 -0.003
C4H4S Thiophene 1.079 -0.002
CH3SiH3 methyl silane 1.096 -0.002
C3H8 Propane 1.096 -0.002
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.095 -0.002
CHOCHCHCH3 2-Butenal 1.090 -0.002
CH3SCH3 Dimethyl sulfide 1.091 -0.002
C4H4O Furan 1.076 -0.002
CH3OCHO methyl formate 1.086 -0.002
C6H5Cl chlorobenzene 1.082 -0.002
CH3NO2 Methane, nitro- 1.088 -0.002
CH3CHS Thioacetaldehyde 1.090 -0.002
CH3OCHO methyl formate 1.101 -0.002
CH2CHCHO Acrolein 1.084 -0.002
C4H10O Ethoxy ethane 1.090 -0.002
CHOCHCHCH3 2-Butenal 1.084 -0.002
CH2Cl2 Methylene chloride 1.085 -0.002
C4H5N (E)-2-Butenenitrile 1.090 -0.002
C3H3NO Oxazole 1.073 -0.002
C5H6 1-Buten-3-yne, 2-methyl- 1.090 -0.002
C6H5CN phenyl cyanide 1.080 -0.002
C3H3NO Oxazole 1.075 -0.002
CH3NO nitrosomethane 1.092 -0.002
C5H10 2-Pentene, (Z)- 1.092 -0.002
C2H4 Ethylene 1.086 -0.002
C6H6 Benzvalene 1.082 -0.002
C3H3NO Oxazole 1.075 -0.002
C3H8 Propane 1.094 -0.002
C3H6O 2-Propen-1-ol 1.096 -0.002
C6H10O cyclohexanone 1.088 -0.002
C6H6 Fulvene 1.080 -0.002
C6H5Cl chlorobenzene 1.081 -0.001
C6H6 Benzvalene 1.078 -0.001
C4H8 cyclobutane 1.091 -0.001
C4H6 Cyclobutene 1.083 -0.001
CH3SCH2CH3 Ethane, (methylthio)- 1.090 -0.001
CH2CHF Ethene, fluoro- 1.082 -0.001
C2H5Br Ethyl bromide 1.087 -0.001
C3H6O Propylene oxide 1.090 -0.001
CH3CH(CH3)CH3 Isobutane 1.092 -0.001
C3H7SH 1-Propanethiol 1.090 -0.001
C6H6 Benzvalene 1.078 -0.001
C10H8 Azulene 1.083 -0.001
H2CCCCH2 Butatriene 1.083 -0.001
C2H5N Aziridine 1.083 -0.001
C6H5F Fluorobenzene 1.080 -0.001
CH3CHClCH3 Propane, 2-chloro- 1.092 -0.001
C2H4S Thiirane 1.083 -0.001
C3H6 Cyclopropane 1.083 -0.001
CH2NN diazomethane 1.075 -0.001
CH3CHFCH3 2-Fluoropropane 1.092 -0.001
C10H8 Azulene 1.081 -0.001
CH2CHCHO Acrolein 1.081 -0.001
C4H5N Pyrrole 1.076 -0.001
C4H10O Propane, 2-methoxy- 1.090 -0.001
CH2NOH formaldoxime 1.085 -0.001
C6H5Cl chlorobenzene 1.079 -0.001
C6H5CN phenyl cyanide 1.080 -0.001
C2H3Br vinyl bromide 1.080 -0.000
C5H6 1-Buten-3-yne, 2-methyl- 1.081 -0.000
C6H6 Fulvene 1.078 -0.000
C2H5F fluoroethane 1.090 -0.000
CH3SCH2CH3 Ethane, (methylthio)- 1.089 -0.000
C3H7SH 1-Propanethiol 1.092 -0.000
CHOCHCHCH3 2-Butenal 1.086 -0.000
C2H6O2 1,2-Ethanediol 1.093 -0.000
CH2CHOH ethenol 1.079 -0.000
C4H5N (E)-2-Butenenitrile 1.081 -0.000
C2H5N Aziridine 1.084 -0.000
C2H5Br Ethyl bromide 1.093 -0.000
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.091 0.000
CH3CH2Cl Ethyl chloride 1.089 0.000
CH3CHSHCH3 2-Propanethiol 1.091 0.000
C2H4O Ethylene oxide 1.084 0.000
CH3COF Acetyl fluoride 1.084 0.000
C2H5F fluoroethane 1.091 0.000
C2H3 vinyl 1.080 0.000
CH3CHS Thioacetaldehyde 1.089 0.000
CH3SeH Methane selenol 1.088 0.001
CH3OC2H5 Ethane, methoxy- 1.086 0.001
H2CS Thioformaldehyde 1.087 0.001
CH3CH2Cl Ethyl chloride 1.086 0.001
CH3OC2H5 Ethane, methoxy- 1.089 0.001
C4H4Se selenophene 1.079 0.001
C3H4 cyclopropene 1.088 0.001
CH3CH2SH ethanethiol 1.091 0.001
C5H10 Cyclopropane, 1,1-dimethyl- 1.080 0.001
C5H10 2-Pentene, (E)- 1.082 0.001
CH3CHO Acetaldehyde 1.086 0.002
HCCCN Cyanoacetylene 1.062 0.002
C2H6 Ethane 1.091 0.002
CH3CH2Cl Ethyl chloride 1.090 0.002
C2H3Cl Ethene, chloro- 1.079 0.002
CH3CHFCH3 2-Fluoropropane 1.088 0.002
C2H5CN ethyl cyanide 1.087 0.002
C2H2 Acetylene 1.063 0.002
CH3NHCH3 Dimethylamine 1.098 0.002
C2H5CN ethyl cyanide 1.088 0.002
CH2Br2 dibromomethane 1.079 0.002
C3H8 Propane 1.089 0.003
C2H3Br vinyl bromide 1.080 0.003
CH3 Methyl radical 1.079 0.003
C3H6O 2-Propen-1-ol 1.078 0.003
CH3OCH3 Dimethyl ether 1.085 0.003
SiH2(CH3)2 dimethylsilane 1.089 0.003
C3H4 cyclopropene 1.072 0.003
CHClCHCl Ethene, 1,2-dichloro-, (E)- 1.075 0.003
CH3SCH2CH3 Ethane, (methylthio)- 1.087 0.003
CH2CHF Ethene, fluoro- 1.077 0.003
CH3CH2OH Ethanol 1.088 0.003
CH3Br methyl bromide 1.082 0.003
CH2F2 Methane, difluoro- 1.084 0.003
HCN Hydrogen cyanide 1.064 0.003
CH3CCH propyne 1.060 0.004
HCS+ Thioformyl cation 1.079 0.004
CH3F Methyl fluoride 1.087 0.004
C8H8 cyclooctatetraene 1.079 0.004
C2H2+ acetylene cation 1.077 0.004
C3H6O Propylene oxide 1.082 0.004
CH3OCl methyl hypochlorite 1.086 0.004
CH3S thiomethoxy 1.090 0.004
CH3CF3 Ethane, 1,1,1-trifluoro- 1.081 0.004
CH4 Methane 1.087 0.005
C4H2 Diacetylene 1.058 0.005
C6H5CCH phenylacetylene 1.055 0.005
CH3CH2O Ethoxy radical 1.085 0.005
C2H3 vinyl 1.085 0.006
HCP Phosphaethyne 1.067 0.006
CH3NH2 methyl amine 1.093 0.006
CH3CH2O Ethoxy radical 1.086 0.006
CH3NHCH3 Dimethylamine 1.084 0.006
C6H5Br bromobenzene 1.072 0.006
C4H4Se selenophene 1.070 0.007
CH3CHF2 Ethane, 1,1-difluoro- 1.081 0.007
CH2NH Methanimine 1.081 0.007
CH2NCH3 N-methylmethanimine 1.089 0.008
C3H7N Cyclopropylamine 1.080 0.008
HCCCl Chloroacetylene 1.055 0.008
HCCBr bromoacetylene 1.055 0.008
HCCF Fluoroacetylene 1.053 0.008
CH2CCl2 Ethene, 1,1-dichloro- 1.070 0.009
C4H9N Pyrrolidine 1.090 0.009
GeH3CH3 methyl germane 1.083 0.009
CH3CH2O Ethoxy radical 1.088 0.010
CH3CH2OH Ethanol 1.086 0.010
CH Methylidyne 1.120 0.010
CH3CCl(CH3)CH3 Propane, 2-chloro-2-methyl- 1.078 0.013
N(CH3)3 Trimethylamine 1.088 0.013
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.072 0.017
C3H5 Allyl radical 1.069 0.017
C2H Ethynyl radical 1.047 0.019
C5H10 2-Pentene, (Z)- 1.058 0.027
HCNO fulminic acid 1.027 0.034
HCO Formyl radical 1.080 0.040
C3H3NO Isoxazole 1.075 0.347
C4H6 1-Methylcyclopropene 1.070 0.430
C4H6 1-Methylcyclopropene 1.098 0.660
C4H6 1-Methylcyclopropene 1.098 0.674
C4H6 1-Methylcyclopropene 1.087 0.729
C4H6 1-Methylcyclopropene 1.087 2.327
C4H6 1-Methylcyclopropene 1.085 3.118