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

B3PW91/6-31+G** 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-0.043
Most positive difference C4H6 1-Methylcyclopropene3.135

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C6H6 Fulvene 1.130 -0.043
C3H8O2 1,3-Propanediol 1.140 -0.043
C5H8O Methyl cyclopropyl ketone 1.126 -0.035
CHOCH(CH3)CH3 Propanal, 2-methyl- 1.127 -0.032
CH3CONH2 Acetamide 1.124 -0.031
CH2SHCH2SH 1,2-Ethanedithiol 1.120 -0.026
CHBr3 bromoform 1.110 -0.025
C2H2O2 Ethanedial 1.132 -0.024
C4H6O2 2,3-Butanedione 1.114 -0.024
C2H3CCH 1-Buten-3-yne 1.090 -0.023
CH2ClCHClCH3 Propane, 1,2-dichloro- 1.113 -0.023
HCONHCH3 N-methylformamide 1.114 -0.023
CH2ClCH2Cl Ethane, 1,2-dichloro- 1.112 -0.021
C3H7NO dimethylformamide 1.112 -0.021
C7H16 heptane 1.121 -0.021
C2H3CCH 1-Buten-3-yne 1.106 -0.021
C4H5N Cyclopropanecarbonitrile 1.107 -0.020
CH3CCCH3 2-Butyne 1.116 -0.020
CH2ClCH2CH3 Propane, 1-chloro- 1.113 -0.020
C2HF3 Trifluoroethylene 1.100 -0.019
Si(CH3)4 tetramethylsilane 1.115 -0.019
C5H6 Propellane 1.106 -0.019
C5H10 Cyclopentane 1.114 -0.018
CH3CH2CH2CH3 Butane 1.117 -0.018
C3H6S3 1,3,5-Trithiane 1.114 -0.018
C5H12 Pentane 1.118 -0.018
C5H12 Propane, 2,2-dimethyl- 1.114 -0.018
C5H8 Spiropentane 1.105 -0.017
CH2ClCH2CH2CH3 Butane, 1-chloro- 1.110 -0.017
C5H10S 2H-Thiopyran, tetrahydro- 1.114 -0.017
C5H8 1,3-Butadiene, 2-methyl- 1.110 -0.017
CH3OCl methyl hypochlorite 1.111 -0.017
C7H12 Norbornane 1.113 -0.017
CHClCHCl Ethene, 1,2-dichloro-, (Z)- 1.101 -0.017
CH3CHClCH2CH3 Butane, 2-chloro- 1.110 -0.016
C4H8O2 Ethyl acetate 1.105 -0.016
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.098 -0.015
N(CH3)3 Trimethylamine 1.109 -0.014
CH3COCl Acetyl Chloride 1.105 -0.014
CH2CHOCHCH2 Vinyl ether 1.103 -0.013
C3H2N2 Malononitrile 1.109 -0.012
CH3COCH3 Acetone 1.103 -0.012
CH3SH Methanethiol 1.104 -0.012
C5H8 1,4-Pentadiene 1.110 -0.011
CH3COOH Acetic acid 1.100 -0.011
CH2CHOH ethenol 1.097 -0.011
C5H8 Ethenylcyclopropane 1.099 -0.011
CH3CN Acetonitrile 1.104 -0.011
C2H8N2 Ethylenediamine 1.109 -0.011
CH3CH2NH2 Ethylamine 1.107 -0.010
C12H8 biphenylene 1.096 -0.010
CH2CF2 Ethene, 1,1-difluoro- 1.091 -0.010
CH3CCl2CH3 Propane, 2,2-dichloro- 1.101 -0.010
CH3CH2CHO Propanal 1.103 -0.010
C6H5NO2 Nitrobenzene 1.093 -0.009
CH2Cl chloromethyl radical 1.090 -0.009
C3H8O2 Methane, dimethoxy- 1.108 -0.009
CH3ONO Methyl nitrite 1.102 -0.009
CH3CH(CH3)CH3 Isobutane 1.108 -0.008
CH3CHNOH Acetaldoxime 1.100 -0.008
C4H6O Cyclobutanone 1.100 -0.007
C3H6S Thietane 1.100 -0.006
C5H8 Cyclobutane, methylene- 1.101 -0.006
C5H6 1-Buten-3-yne, 2-methyl- 1.091 -0.006
C6H5CH2CH3 Ethylbenzene 1.094 -0.006
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 1.089 -0.006
CH2N2 diazirine 1.090 -0.006
C8H8 cubane 1.097 -0.005
C2H3Cl Ethene, chloro- 1.090 -0.005
CH2NH Methanimine 1.103 -0.005
C5H8 Bicyclo[2.1.0]pentane 1.095 -0.004
C4H8O2 1,3-Dioxane 1.095 -0.004
CH3CH2CHO Propanal 1.105 -0.004
C2H4F2 1,2-difluoroethane 1.099 -0.004
CH2CS Thioketene 1.090 -0.004
CH3CH2OH Ethanol 1.098 -0.004
CH2 Methylene 1.085 -0.004
C3H5ClO Oxirane, (chloromethyl)- 1.095 -0.004
CH3OH Methyl alcohol 1.096 -0.004
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.087 -0.004
CH2CHF Ethene, fluoro- 1.087 -0.003
HCCl Chloromethylene 1.119 -0.003
CH3NO3 Methyl nitrate 1.095 -0.003
C2H3Br vinyl bromide 1.088 -0.003
C6H5CH3 toluene 1.100 -0.003
C3H6O 2-Propen-1-ol 1.091 -0.003
CH2PH Phosphaethene 1.090 -0.003
CH3CH(CH3)CH3 Isobutane 1.100 -0.003
CH3SSCH3 Disulfide, dimethyl 1.097 -0.002
C3H6O 2-Propen-1-ol 1.092 -0.002
H2CO Formaldehyde 1.111 -0.002
CH3O Methoxy radical 1.112 -0.002
CH3CH2CHO Propanal 1.096 -0.002
CH3NHCH3 Dimethylamine 1.098 -0.002
CH3CH2CHO Propanal 1.115 -0.002
CH3PH2 Methyl phosphine 1.094 -0.002
CH2PH Phosphaethene 1.090 -0.002
C4H6 Methylenecyclopropane 1.090 -0.001
C3H4N2 1H-Pyrazole 1.082 -0.001
CH3OCHO methyl formate 1.101 -0.001
C3H4N2 1H-Pyrazole 1.083 -0.001
C6H12 Cyclohexane 1.101 -0.001
CH3CHO Acetaldehyde 1.114 -0.001
CH3ONO Methyl nitrite 1.090 -0.001
CH2NOH formaldoxime 1.086 -0.001
CH3CCH propyne 1.096 -0.001
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.088 -0.001
CH3NC methyl isocyanide 1.094 -0.001
CH3SCH2CH3 Ethane, (methylthio)- 1.097 -0.001
CH3SiH3 methyl silane 1.096 -0.001
CH3SeCH3 dimethylselenide 1.093 -0.001
C4H6 Methylenecyclopropane 1.088 -0.001
CH3CCl3 Ethane, 1,1,1-trichloro- 1.093 -0.001
C4H5N (E)-2-Butenenitrile 1.090 -0.001
CH3CHCl2 Ethane, 1,1-dichloro- 1.090 -0.001
C6H10 cyclohexene 1.090 -0.001
CH2BrF Methane, bromofluoro- 1.090 -0.000
CH2CHCHO Acrolein 1.089 -0.000
CH2CHCHO Acrolein 1.113 -0.000
C3H8O2 Propylene glycol 1.095 -0.000
CH3NO nitrosomethane 1.094 -0.000
CH2CHCH2CH3 1-Butene 1.095 -0.000
CH3Cl Methyl chloride 1.090 -0.000
CH2CO Ketene 1.083 -0.000
C3H4N2 1H-Pyrazole 1.080 -0.000
C3H6O 2-Propen-1-ol 1.102 0.001
CH2CCH2 allene 1.087 0.001
CH3CHFCH3 2-Fluoropropane 1.093 0.001
CH3CHS Thioacetaldehyde 1.098 0.001
CHFClBr fluorochlorobromomethane 1.088 0.001
C2H5F fluoroethane 1.095 0.001
C3H7SH 1-Propanethiol 1.094 0.001
CH2FCl fluorochloromethane 1.090 0.001
CH3CHFCH3 2-Fluoropropane 1.094 0.001
H2NCH2COOH Glycine 1.096 0.001
C5H8 Cyclopentene 1.095 0.001
C2H6O2S Dimethyl sulfone 1.091 0.001
CHF2Cl difluorochloromethane 1.090 0.001
CHF3 Methane, trifluoro- 1.091 0.001
C3H3N acrylonitrile 1.086 0.001
C2H4 Ethylene 1.086 0.001
C5H8 Bicyclo[2.1.0]pentane 1.085 0.001
C6H10 cyclohexene 1.100 0.001
HFCO formyl fluoride 1.095 0.001
C4H6O Furan, 2,5-dihydro- 1.100 0.001
CH3CHS Thioacetaldehyde 1.090 0.001
CH2CHOH ethenol 1.086 0.001
C4H6S Thiophene, 2,5-dihydro- 1.095 0.001
C2H2ClF 1-chloro-1-fluoroethylene 1.082 0.002
C4H10O Propane, 2-methoxy- 1.095 0.002
CH3SCH3 Dimethyl sulfide 1.091 0.002
C5H8 Cyclopentene 1.085 0.002
CH(CN)3 tricyanomethane 1.100 0.002
CH2O2 Dioxirane 1.090 0.002
C5H8 Bicyclo[2.1.0]pentane 1.095 0.002
HCOOH Formic acid 1.097 0.002
C3H8 Propane 1.096 0.002
C5H6 1-Buten-3-yne, 2-methyl- 1.065 0.002
C6H8 1,4-Cyclohexadiene 1.100 0.002
C5H10 Cyclopropane, 1,1-dimethyl- 1.095 0.002
CH3OC2H5 Ethane, methoxy- 1.092 0.002
C5H4O2 4-Cyclopentene-1,3-dione 1.093 0.002
C4H8 cyclobutane 1.093 0.002
CH2CHCH2CH3 1-Butene 1.090 0.002
C3H4O Cyclopropanone 1.086 0.002
HOCH2COOH Hydroxyacetic acid 1.097 0.002
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.092 0.002
C3H8 Propane 1.094 0.002
C2H3 vinyl 1.080 0.002
C4H6S Thiophene, 2,5-dihydro- 1.085 0.002
C4H6 Cyclobutene 1.094 0.002
CH3NO3 Methyl nitrate 1.088 0.002
CH3SCH2CH3 Ethane, (methylthio)- 1.092 0.003
CH3CHClCH3 Propane, 2-chloro- 1.091 0.003
CH3OCH3 Dimethyl ether 1.099 0.003
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.095 0.003
CH3OC2H5 Ethane, methoxy- 1.099 0.003
C4H4S Thiophene 1.079 0.003
C5H6 1-Buten-3-yne, 2-methyl- 1.090 0.003
C4H10O Ethoxy ethane 1.092 0.003
CHClCCl2 Trichloroethylene 1.080 0.003
CHOCHCHCH3 2-Butenal 1.090 0.003
C4H5N (E)-2-Butenenitrile 1.090 0.003
C3H6 Cyclopropane 1.083 0.003
C4H4O Furan 1.076 0.003
CH2Cl2 Methylene chloride 1.085 0.003
CH3OCHO methyl formate 1.086 0.003
C6H5F Fluorobenzene 1.083 0.003
CH2CHF Ethene, fluoro- 1.082 0.003
C2H2F2 Ethene, 1,2-difluoro-, (E)- 1.080 0.004
CH2CHCHO Acrolein 1.084 0.004
C4H10O Ethoxy ethane 1.100 0.004
C4H8 cyclobutane 1.091 0.004
C2H5Br Ethyl bromide 1.087 0.004
C2H5F fluoroethane 1.090 0.004
C6H5OH phenol 1.082 0.004
C10H8 Azulene 1.084 0.004
C4H6 Cyclobutene 1.083 0.004
CH3NO nitrosomethane 1.092 0.004
CH3 Methyl radical 1.079 0.004
CH3OC2H5 Ethane, methoxy- 1.100 0.004
C3H6O Propylene oxide 1.090 0.004
C6H5CN phenyl cyanide 1.082 0.004
CH3SeH Methane selenol 1.088 0.004
CH3CH(CH3)CH3 Isobutane 1.092 0.004
CH3NO2 Methane, nitro- 1.088 0.004
C2H4F2 1,2-difluoroethane 1.093 0.004
C6H5CH3 toluene 1.083 0.004
C6H12 Cyclohexane 1.093 0.004
C5H10 2-Pentene, (Z)- 1.092 0.004
C6H6 Benzvalene 1.082 0.004
C2H5N Aziridine 1.083 0.004
C6H5F Fluorobenzene 1.081 0.004
C10H8 Azulene 1.080 0.004
C2H3Br vinyl bromide 1.080 0.004
C2H2 Acetylene 1.063 0.004
C2H5Br Ethyl bromide 1.093 0.004
C2H4S Thiirane 1.083 0.004
C4H10O Ethoxy ethane 1.090 0.004
CH3CH2Cl Ethyl chloride 1.089 0.004
C4H10O Propane, 2-methoxy- 1.095 0.004
C3H6O 2-Propen-1-ol 1.096 0.004
CH2CHOH ethenol 1.079 0.004
C6H6 Fulvene 1.080 0.004
C5H8O Cyclopentanone 1.095 0.004
C10H8 Azulene 1.081 0.004
CH3SCH2CH3 Ethane, (methylthio)- 1.090 0.004
C2H6 Ethane 1.091 0.004
C6H5Cl chlorobenzene 1.082 0.004
C4H5N Pyrrole 1.076 0.004
CH3CHClCH3 Propane, 2-chloro- 1.092 0.004
CHOCHCHCH3 2-Butenal 1.084 0.004
C6H5OH phenol 1.084 0.005
C2H5N Aziridine 1.084 0.005
C2H5F fluoroethane 1.091 0.005
C3H7SH 1-Propanethiol 1.090 0.005
H2CCCCH2 Butatriene 1.083 0.005
CH2CHCHO Acrolein 1.081 0.005
C3H3NO Oxazole 1.073 0.005
C4H4N2 Pyrazine 1.083 0.005
C3H3NO Oxazole 1.075 0.005
C6H5Cl chlorobenzene 1.081 0.005
C6H6 Benzvalene 1.078 0.005
C3H3NO Oxazole 1.075 0.005
C3H7SH 1-Propanethiol 1.092 0.005
C6H5CN phenyl cyanide 1.080 0.005
C6H6 Fulvene 1.078 0.005
C4H10O Propane, 2-methoxy- 1.090 0.005
C10H16 adamantane 1.093 0.005
C5H6 1-Buten-3-yne, 2-methyl- 1.081 0.005
CH2NN diazomethane 1.075 0.005
CH3COF Acetyl fluoride 1.084 0.005
CH4 Methane 1.087 0.005
CH3SCH2CH3 Ethane, (methylthio)- 1.089 0.005
C2H4O Ethylene oxide 1.084 0.005
CH3CHO Acetaldehyde 1.086 0.005
C6H10O cyclohexanone 1.088 0.005
CHOCHCHCH3 2-Butenal 1.108 0.005
C6H5CH3 toluene 1.081 0.005
C6H6 Benzvalene 1.078 0.005
CH3CH2SH ethanethiol 1.091 0.006
H2CS Thioformaldehyde 1.087 0.006
C3H4 cyclopropene 1.088 0.006
CH3CH2Cl Ethyl chloride 1.086 0.006
CH3CHFCH3 2-Fluoropropane 1.092 0.006
C6H5F Fluorobenzene 1.080 0.006
CH3OC2H5 Ethane, methoxy- 1.089 0.006
CH2NOH formaldoxime 1.085 0.006
CH3CHSHCH3 2-Propanethiol 1.091 0.006
C2H3Cl Ethene, chloro- 1.079 0.006
HCCCN Cyanoacetylene 1.062 0.006
SiH2(CH3)2 dimethylsilane 1.089 0.006
C6H5Cl chlorobenzene 1.079 0.006
CH3Br methyl bromide 1.082 0.006
C4H4Se selenophene 1.079 0.006
C2H6O2 1,2-Ethanediol 1.093 0.006
CH3CH2Cl Ethyl chloride 1.090 0.006
C3H8 Propane 1.089 0.006
C2H3Br vinyl bromide 1.080 0.006
CH3OC2H5 Ethane, methoxy- 1.086 0.007
CHOCHCHCH3 2-Butenal 1.086 0.007
C2H5CN ethyl cyanide 1.087 0.007
CH3CCH propyne 1.060 0.007
C6H5CN phenyl cyanide 1.080 0.007
CH3F Methyl fluoride 1.087 0.007
C2H2+ acetylene cation 1.077 0.007
CH3CHS Thioacetaldehyde 1.089 0.007
HCN Hydrogen cyanide 1.064 0.007
C6H5CH3 toluene 1.081 0.007
CH3CH2OH Ethanol 1.088 0.007
C3H4 cyclopropene 1.072 0.007
C5H10 Cyclopropane, 1,1-dimethyl- 1.080 0.007
CH3CHFCH3 2-Fluoropropane 1.088 0.007
CH2Br2 dibromomethane 1.079 0.007
C4H5N (E)-2-Butenenitrile 1.081 0.007
CH2CHF Ethene, fluoro- 1.077 0.007
C10H8 Azulene 1.083 0.007
CH3OCH3 Dimethyl ether 1.085 0.007
CHF2CHF2 1,1,2,2-tetrafluoroethane 1.087 0.007
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.091 0.008
C10H8 Azulene 1.081 0.008
C5H6 Cyclopropylacetylene 1.080 0.008
CH3SCH2CH3 Ethane, (methylthio)- 1.087 0.008
C3H6O 2-Propen-1-ol 1.078 0.008
HCS+ Thioformyl cation 1.079 0.008
C2H5CN ethyl cyanide 1.088 0.008
C5H10 2-Pentene, (E)- 1.082 0.008
CH3NHCH3 Dimethylamine 1.098 0.008
HCP Phosphaethyne 1.067 0.009
CHClCHCl Ethene, 1,2-dichloro-, (E)- 1.075 0.009
CH Methylidyne 1.120 0.009
CH3CH2O Ethoxy radical 1.085 0.009
C4H2 Diacetylene 1.058 0.009
CH3CHNOH Acetaldoxime 1.085 0.009
CH2F2 Methane, difluoro- 1.084 0.010
CH3OCl methyl hypochlorite 1.086 0.010
CH3NH2 methyl amine 1.093 0.010
CH3CH2O Ethoxy radical 1.086 0.010
C2H3 vinyl 1.085 0.010
GeH3CH3 methyl germane 1.083 0.010
CH3NHCH3 Dimethylamine 1.084 0.010
CH3CF3 Ethane, 1,1,1-trifluoro- 1.081 0.010
C3H6O Propylene oxide 1.082 0.010
C6H5OH phenol 1.076 0.011
HCCBr bromoacetylene 1.055 0.011
C5H8 1,3-Butadiene, 2-methyl- 1.076 0.011
HCCCl Chloroacetylene 1.055 0.011
C4H4Se selenophene 1.070 0.011
C5H6 Cyclopropylacetylene 1.055 0.012
C6H5CCH phenylacetylene 1.055 0.012
CH3CHF2 Ethane, 1,1-difluoro- 1.081 0.012
C8H8 cyclooctatetraene 1.079 0.012
CH2NH Methanimine 1.081 0.012
HCCF Fluoroacetylene 1.053 0.012
C6H5Br bromobenzene 1.072 0.013
CH2NCH3 N-methylmethanimine 1.089 0.014
CH2CCl2 Ethene, 1,1-dichloro- 1.070 0.014
C3H7N Cyclopropylamine 1.080 0.014
CHCl3 Chloroform 1.073 0.014
CH3CH2OH Ethanol 1.086 0.015
C4H9N Pyrrolidine 1.090 0.017
CHONH2 formamide 1.090 0.017
CH3CCl(CH3)CH3 Propane, 2-chloro-2-methyl- 1.078 0.019
N(CH3)3 Trimethylamine 1.088 0.021
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.072 0.021
C3H5 Allyl radical 1.069 0.021
C2H Ethynyl radical 1.047 0.022
CH3CH2O Ethoxy radical 1.088 0.022
C5H10 2-Pentene, (Z)- 1.058 0.034
HCNO fulminic acid 1.027 0.037
HCO Formyl radical 1.080 0.044
C4H10O Methyl propyl ether 1.099 0.308
C3H3NO Isoxazole 1.075 0.347
C4H6 1-Methylcyclopropene 1.070 0.438
C4H6 1-Methylcyclopropene 1.098 0.663
C4H6 1-Methylcyclopropene 1.098 0.682
C4H6 1-Methylcyclopropene 1.087 0.742
C4H6 1-Methylcyclopropene 1.087 2.332
C4H6 1-Methylcyclopropene 1.085 3.135