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(T)/6-31+G** for rCH

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


Differences greater than 0.550 are in the 0.550 bin. Differences less than -0.050 are in the -0.050 bin.

histogram chart 90
histogram chart 80 histogram chart
histogram chart 70 histogram chart
histogram chart 60 histogram chart
histogram chart 50 histogram chart
histogram chart 40 histogram chart
histogram chart 30 histogram chart
histogram chart 20 histogram chart
histogram chart 10 histogram chart
histogram chart 0 histogram chart histogram chart histogram chart histogram chart
-0.050 0.000 0.050 0.100 0.150 0.200 0.250 0.300 0.350 0.400 0.450 0.500 0.550
bond length difference calc. - exp. (Å)

  Species Name Difference (Å)
Most negative difference C2H2O2 Ethanedial-0.030
Most positive difference C4H10O Methyl propyl ether0.323

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C2H2O2 Ethanedial 1.132 -0.030
C5H6 Propellane 1.106 -0.021
CH3CH2CH2CH3 Butane 1.117 -0.020
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.098 -0.017
CH3SH Methanethiol 1.104 -0.015
CH3CN Acetonitrile 1.104 -0.014
CH2Cl chloromethyl radical 1.090 -0.013
CH3CH2CHO Propanal 1.103 -0.012
CH2NH Methanimine 1.103 -0.011
H2CO Formaldehyde 1.111 -0.010
CH3CH2CHO Propanal 1.115 -0.008
CH3CHO Acetaldehyde 1.114 -0.008
C2H4F2 1,2-difluoroethane 1.099 -0.008
CH2CS Thioketene 1.090 -0.008
CH3CH2CHO Propanal 1.105 -0.007
CH2CHCHO Acrolein 1.113 -0.007
CH2 Methylene 1.085 -0.006
CH2CHF Ethene, fluoro- 1.087 -0.006
CH3CCH propyne 1.096 -0.004
CH3CH2CHO Propanal 1.096 -0.004
CH2BrF Methane, bromofluoro- 1.090 -0.004
CH2CO Ketene 1.083 -0.004
CHF3 Methane, trifluoro- 1.091 -0.004
HCOOH Formic acid 1.097 -0.004
CH2CHCHO Acrolein 1.089 -0.003
CH3SeCH3 dimethylselenide 1.093 -0.003
CH3Cl Methyl chloride 1.090 -0.003
CH2CCH2 allene 1.087 -0.003
CHFClBr fluorochlorobromomethane 1.088 -0.003
CH(CN)3 tricyanomethane 1.100 -0.003
C2H4 Ethylene 1.086 -0.002
CH2CHCH2CH3 1-Butene 1.095 -0.002
CH3CHFCH3 2-Fluoropropane 1.093 -0.002
CH3CHFCH3 2-Fluoropropane 1.094 -0.002
C2H2ClF 1-chloro-1-fluoroethylene 1.082 -0.001
C2H6O2S Dimethyl sulfone 1.091 -0.001
CH3SCH3 Dimethyl sulfide 1.091 -0.001
CH2CHCH2CH3 1-Butene 1.090 -0.001
CH2CHF Ethene, fluoro- 1.082 -0.000
CH3 Methyl radical 1.079 0.000
C3H6 Cyclopropane 1.083 0.000
CH2Cl2 Methylene chloride 1.085 0.000
C2H4F2 1,2-difluoroethane 1.093 0.000
C2H4S Thiirane 1.083 0.001
H2CS Thioformaldehyde 1.087 0.001
CH3NO2 Methane, nitro- 1.088 0.001
CH2CHCHO Acrolein 1.084 0.001
C3H4 cyclopropene 1.088 0.001
H2CCCCH2 Butatriene 1.083 0.001
C2H5Br Ethyl bromide 1.093 0.001
C2H5Br Ethyl bromide 1.087 0.001
C2H4O Ethylene oxide 1.084 0.001
CH3NC methyl isocyanide 1.094 0.001
C2H6 Ethane 1.091 0.002
CH2CHCHO Acrolein 1.081 0.002
C6H6 Benzvalene 1.082 0.002
C6H6 Benzvalene 1.078 0.002
CH3CHFCH3 2-Fluoropropane 1.092 0.002
CH4 Methane 1.087 0.002
CH Methylidyne 1.120 0.002
CH3F Methyl fluoride 1.087 0.002
CH3CH2SH ethanethiol 1.091 0.003
C2H2 Acetylene 1.063 0.003
C6H6 Benzvalene 1.078 0.003
CH3CHO Acetaldehyde 1.086 0.003
CH2O2 Dioxirane 1.090 0.003
CH3Br methyl bromide 1.082 0.003
C2H2+ acetylene cation 1.077 0.004
C4H4Se selenophene 1.079 0.004
CH2CHF Ethene, fluoro- 1.077 0.004
C3H4 cyclopropene 1.072 0.004
C2H5CN ethyl cyanide 1.087 0.005
HCN Hydrogen cyanide 1.064 0.005
CH2F2 Methane, difluoro- 1.084 0.005
CH2Br2 dibromomethane 1.079 0.005
CH3NH2 methyl amine 1.093 0.005
C2H5CN ethyl cyanide 1.088 0.005
CH3CHFCH3 2-Fluoropropane 1.088 0.005
CH3CCH propyne 1.060 0.006
CH2NH Methanimine 1.081 0.006
CH3CHF2 Ethane, 1,1-difluoro- 1.081 0.009
HCCBr bromoacetylene 1.055 0.010
C4H4Se selenophene 1.070 0.010
HCCF Fluoroacetylene 1.053 0.011
C3H5 Allyl radical 1.069 0.018
HCNO fulminic acid 1.027 0.036
HCO Formyl radical 1.080 0.037
C4H10O Methyl propyl ether 1.099 0.323