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

CCSD=FULL/cc-pVTZ for rCH

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


Differences greater than 0.500 are in the 0.500 bin. Differences less than -0.100 are in the -0.100 bin.

histogram chart 180
histogram chart 160 histogram chart
histogram chart 140 histogram chart
histogram chart 120 histogram chart
histogram chart 100 histogram chart
histogram chart 80 histogram chart
histogram chart 60 histogram chart
histogram chart 40 histogram chart
histogram chart 20 histogram chart
histogram chart 0 histogram chart histogram chart histogram chart histogram chart histogram chart
-0.100 -0.050 0.000 0.050 0.100 0.150 0.200 0.250 0.300 0.350 0.400 0.450 0.500
bond length difference calc. - exp. (Å)

  Species Name Difference (Å)
Most negative difference C3H4O Cyclopropanone-0.074
Most positive difference C3H3NO Isoxazole0.345

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C3H4O Cyclopropanone 1.086 -0.074
C4H6 Methylenecyclopropane 1.088 -0.055
C4H6 Methylenecyclopropane 1.090 -0.052
C5H8O Methyl cyclopropyl ketone 1.126 -0.044
CH3CONH2 Acetamide 1.124 -0.043
CHBr3 bromoform 1.110 -0.038
C2H2O2 Ethanedial 1.132 -0.037
CHClCHCl Ethene, 1,2-dichloro-, (Z)- 1.101 -0.035
C2H3CCH 1-Buten-3-yne 1.090 -0.034
CHCl3 Chloroform 1.073 -0.031
HCONHCH3 N-methylformamide 1.114 -0.031
C2H3CCH 1-Buten-3-yne 1.106 -0.030
C5H6 Propellane 1.106 -0.029
CH3CH2CH2CH3 Butane 1.117 -0.028
C7H12 Norbornane 1.113 -0.026
CH2CF2 Ethene, 1,1-difluoro- 1.091 -0.025
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.098 -0.024
C4H8O2 Ethyl acetate 1.105 -0.024
N(CH3)3 Trimethylamine 1.109 -0.023
CH3COCl Acetyl Chloride 1.105 -0.022
C5H8 Ethenylcyclopropane 1.099 -0.022
CH3COOH Acetic acid 1.100 -0.021
CH3SH Methanethiol 1.104 -0.021
CH3CH2NH2 Ethylamine 1.107 -0.020
CH2Cl chloromethyl radical 1.090 -0.020
CH3CN Acetonitrile 1.104 -0.020
HCCl Chloromethylene 1.119 -0.019
CH3CH(CH3)CH3 Isobutane 1.108 -0.019
CH3CCl2CH3 Propane, 2,2-dichloro- 1.101 -0.018
CH3CH2CHO Propanal 1.103 -0.018
CH3ONO Methyl nitrite 1.102 -0.018
C2H3Cl Ethene, chloro- 1.090 -0.017
CH2NH Methanimine 1.103 -0.017
C3H6S Thietane 1.100 -0.017
CH3CHNOH Acetaldoxime 1.100 -0.016
CH3CH2CHO Propanal 1.115 -0.016
CH3CHO Acetaldehyde 1.114 -0.015
CH2CS Thioketene 1.090 -0.015
CH3CH2CHO Propanal 1.105 -0.015
H2CO Formaldehyde 1.111 -0.014
C3H6O 2-Propen-1-ol 1.092 -0.014
C2H4F2 1,2-difluoroethane 1.099 -0.014
CH2CHCHO Acrolein 1.113 -0.014
CH2PH Phosphaethene 1.090 -0.014
CH2CHF Ethene, fluoro- 1.087 -0.013
CH2 Methylene 1.085 -0.013
CH3CHCl2 Ethane, 1,1-dichloro- 1.090 -0.013
C2H3Br vinyl bromide 1.088 -0.013
C3H6O 2-Propen-1-ol 1.091 -0.013
CH3CH2OH Ethanol 1.098 -0.012
CH3OH Methyl alcohol 1.096 -0.012
CHFClBr fluorochlorobromomethane 1.088 -0.012
CH2PH Phosphaethene 1.090 -0.012
CH3OCHO methyl formate 1.101 -0.012
HFCO formyl fluoride 1.095 -0.012
C3H3N acrylonitrile 1.086 -0.012
CH2CO Ketene 1.083 -0.011
CH2NOH formaldoxime 1.086 -0.011
CH(CN)3 tricyanomethane 1.100 -0.011
CH3CH(CH3)CH3 Isobutane 1.100 -0.011
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.088 -0.011
CHF3 Methane, trifluoro- 1.091 -0.011
CH3NC methyl isocyanide 1.094 -0.011
CH2BrF Methane, bromofluoro- 1.090 -0.011
CH3CH2CHO Propanal 1.096 -0.011
CH3NHCH3 Dimethylamine 1.098 -0.011
CH3PH2 Methyl phosphine 1.094 -0.010
C3H6O 2-Propen-1-ol 1.102 -0.010
CH2CHCHO Acrolein 1.089 -0.010
CH2CCH2 allene 1.087 -0.010
CH3CCH propyne 1.096 -0.010
CH2CHCH2CH3 1-Butene 1.090 -0.010
CH3SeCH3 dimethylselenide 1.093 -0.010
CH3NO nitrosomethane 1.094 -0.010
CH3CHClCH3 Propane, 2-chloro- 1.091 -0.010
CH3ONO Methyl nitrite 1.090 -0.010
CH2FCl fluorochloromethane 1.090 -0.010
CH3Cl Methyl chloride 1.090 -0.009
CH3CHS Thioacetaldehyde 1.098 -0.009
HCOOH Formic acid 1.097 -0.009
C2H4 Ethylene 1.086 -0.009
CH2CHCHO Acrolein 1.084 -0.009
CH2O2 Dioxirane 1.090 -0.009
C2H3 vinyl 1.080 -0.008
CH2CHCH2CH3 1-Butene 1.095 -0.008
C2H2ClF 1-chloro-1-fluoroethylene 1.082 -0.008
C4H6 Cyclobutene 1.083 -0.008
CH2Cl2 Methylene chloride 1.085 -0.008
C3H8 Propane 1.096 -0.008
CH3CHFCH3 2-Fluoropropane 1.093 -0.008
C4H6 Cyclobutene 1.094 -0.008
C2H3Br vinyl bromide 1.080 -0.008
CH Methylidyne 1.120 -0.008
C2H5F fluoroethane 1.095 -0.008
CH2CHF Ethene, fluoro- 1.082 -0.008
CH3OC2H5 Ethane, methoxy- 1.100 -0.007
CH3OC2H5 Ethane, methoxy- 1.092 -0.007
CH3CHFCH3 2-Fluoropropane 1.094 -0.007
CH3CHS Thioacetaldehyde 1.090 -0.007
CH3SCH3 Dimethyl sulfide 1.091 -0.007
C2H6O2S Dimethyl sulfone 1.091 -0.007
C2H4S Thiirane 1.083 -0.007
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.095 -0.007
CH3CHS Thioacetaldehyde 1.089 -0.007
C10H8 Azulene 1.084 -0.006
C3H3NO Oxazole 1.075 -0.006
C3H3NO Oxazole 1.073 -0.006
C3H3NO Oxazole 1.075 -0.006
C10H8 Azulene 1.081 -0.006
C2H5Br Ethyl bromide 1.087 -0.006
C3H8 Propane 1.094 -0.006
CH3NO nitrosomethane 1.092 -0.006
CH3OC2H5 Ethane, methoxy- 1.099 -0.006
CH3OCH3 Dimethyl ether 1.099 -0.006
C2H4F2 1,2-difluoroethane 1.093 -0.006
C3H4 cyclopropene 1.088 -0.006
C10H8 Azulene 1.080 -0.006
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.092 -0.006
C4H5N Pyrrole 1.076 -0.006
C3H6O 2-Propen-1-ol 1.096 -0.006
C2H2 Acetylene 1.063 -0.006
H2CS Thioformaldehyde 1.087 -0.006
HCCCN Cyanoacetylene 1.062 -0.006
C2H4O Ethylene oxide 1.084 -0.006
C5H8O Cyclopentanone 1.095 -0.005
CH3CHFCH3 2-Fluoropropane 1.092 -0.005
CH3 Methyl radical 1.079 -0.005
CH3SeH Methane selenol 1.088 -0.005
CH3NO2 Methane, nitro- 1.088 -0.005
CH2CHCHO Acrolein 1.081 -0.005
HCN Hydrogen cyanide 1.064 -0.005
C4H4Se selenophene 1.079 -0.005
C2H5Br Ethyl bromide 1.093 -0.005
CH3OCHO methyl formate 1.086 -0.005
CH3CH2Cl Ethyl chloride 1.086 -0.005
CH2NOH formaldoxime 1.085 -0.005
CH3CH(CH3)CH3 Isobutane 1.092 -0.005
CH3CH2Cl Ethyl chloride 1.089 -0.005
C2H6 Ethane 1.091 -0.004
CH3CCH propyne 1.060 -0.004
C2H5F fluoroethane 1.091 -0.004
C3H6O Propylene oxide 1.090 -0.004
C2H5F fluoroethane 1.090 -0.004
C2H3Cl Ethene, chloro- 1.079 -0.004
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.091 -0.004
C2H2+ acetylene cation 1.077 -0.004
CH3CHClCH3 Propane, 2-chloro- 1.092 -0.004
CHF2CHF2 1,1,2,2-tetrafluoroethane 1.087 -0.004
C3H4 cyclopropene 1.072 -0.004
CH3COF Acetyl fluoride 1.084 -0.003
HCP Phosphaethyne 1.067 -0.003
CH3CH2SH ethanethiol 1.091 -0.003
CH2Br2 dibromomethane 1.079 -0.003
CH3CHO Acetaldehyde 1.086 -0.003
C2H3Br vinyl bromide 1.080 -0.003
CH2CHF Ethene, fluoro- 1.077 -0.003
CH3Br methyl bromide 1.082 -0.003
C10H8 Azulene 1.081 -0.003
CH3CH2Cl Ethyl chloride 1.090 -0.003
C10H8 Azulene 1.083 -0.003
CH4 Methane 1.087 -0.002
CH3CHNOH Acetaldoxime 1.085 -0.002
C3H8 Propane 1.089 -0.002
C3H6O Propylene oxide 1.082 -0.002
SiH2(CH3)2 dimethylsilane 1.089 -0.002
CH2CCl2 Ethene, 1,1-dichloro- 1.070 -0.002
C2H5CN ethyl cyanide 1.087 -0.002
CH3NHCH3 Dimethylamine 1.098 -0.002
C2H5CN ethyl cyanide 1.088 -0.002
CH3OC2H5 Ethane, methoxy- 1.086 -0.002
CH3CH2OH Ethanol 1.088 -0.002
C3H6O 2-Propen-1-ol 1.078 -0.001
CH3CHFCH3 2-Fluoropropane 1.088 -0.001
CH3OCH3 Dimethyl ether 1.085 -0.001
C2H3 vinyl 1.085 -0.001
HCCCl Chloroacetylene 1.055 -0.001
CH3NH2 methyl amine 1.093 -0.001
C4H2 Diacetylene 1.058 -0.001
CH3OC2H5 Ethane, methoxy- 1.089 -0.000
CH2F2 Methane, difluoro- 1.084 -0.000
HCCBr bromoacetylene 1.055 -0.000
HCCF Fluoroacetylene 1.053 0.000
C4H4Se selenophene 1.070 0.001
CH2NH Methanimine 1.081 0.001
CH3NHCH3 Dimethylamine 1.084 0.002
GeH3CH3 methyl germane 1.083 0.002
C3H7N Cyclopropylamine 1.080 0.003
CH3CHF2 Ethane, 1,1-difluoro- 1.081 0.004
CH3CH2OH Ethanol 1.086 0.005
CHONH2 formamide 1.090 0.005
C3H5 Allyl radical 1.069 0.009
C2H Ethynyl radical 1.047 0.010
N(CH3)3 Trimethylamine 1.088 0.011
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.072 0.012
HCNO fulminic acid 1.027 0.027
HCO Formyl radical 1.080 0.031
C4H10O Methyl propyl ether 1.099 0.302
C3H3NO Isoxazole 1.075 0.345