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18 10 26 16 45

MP2=FULL/cc-pVQZ 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 100
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
-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 C2H2O2 Ethanedial-0.034
Most positive difference C4H6 1-Methylcyclopropene3.106

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C2H2O2 Ethanedial 1.132 -0.034
CH3CH2CH2CH3 Butane 1.117 -0.028
C4H8O2 Ethyl acetate 1.105 -0.025
CH3COCH3 Acetone 1.103 -0.022
CH3SH Methanethiol 1.104 -0.021
CH3CN Acetonitrile 1.104 -0.021
CH2Cl chloromethyl radical 1.090 -0.021
CH3CH2CHO Propanal 1.103 -0.019
HCCl Chloromethylene 1.119 -0.019
CH2NH Methanimine 1.103 -0.017
CH2 Methylene 1.085 -0.015
CH3CH2CHO Propanal 1.105 -0.015
C8H8 cubane 1.097 -0.015
H2CO Formaldehyde 1.111 -0.014
CH3CH2OH Ethanol 1.098 -0.014
C2H4F2 1,2-difluoroethane 1.099 -0.014
CH2CHF Ethene, fluoro- 1.087 -0.013
CH2CS Thioketene 1.090 -0.013
CH3CH2CHO Propanal 1.115 -0.013
CH3CHO Acetaldehyde 1.114 -0.012
CH3CH2CHO Propanal 1.096 -0.012
CH2PH Phosphaethene 1.090 -0.012
CH3CCH propyne 1.096 -0.011
CH Methylidyne 1.120 -0.011
CH2NOH formaldoxime 1.086 -0.011
CH2PH Phosphaethene 1.090 -0.010
CH2CHCHO Acrolein 1.113 -0.010
CH3Cl Methyl chloride 1.090 -0.010
CH2CO Ketene 1.083 -0.010
CH3NO nitrosomethane 1.094 -0.010
CH2CHCHO Acrolein 1.089 -0.010
CH2CCH2 allene 1.087 -0.009
CH3CHFCH3 2-Fluoropropane 1.093 -0.009
CHF3 Methane, trifluoro- 1.091 -0.009
C2H4 Ethylene 1.086 -0.009
CH3CHFCH3 2-Fluoropropane 1.094 -0.009
C3H8 Propane 1.096 -0.009
CH3 Methyl radical 1.079 -0.008
HCOOH Formic acid 1.097 -0.008
CH3SOCH3 Dimethyl sulfoxide 1.093 -0.008
CH3OCH3 Dimethyl ether 1.099 -0.008
CHFClBr fluorochlorobromomethane 1.088 -0.008
C2H3 vinyl 1.080 -0.008
C3H6 Cyclopropane 1.083 -0.008
C3H8 Propane 1.094 -0.008
CH3SCH3 Dimethyl sulfide 1.091 -0.008
CH3NO nitrosomethane 1.092 -0.007
C3H4 cyclopropene 1.088 -0.007
CH3CHClCH3 Propane, 2-chloro- 1.091 -0.007
C2H4F2 1,2-difluoroethane 1.093 -0.006
C2H6 Ethane 1.091 -0.006
C2H5Br Ethyl bromide 1.093 -0.006
CH2Cl2 Methylene chloride 1.085 -0.006
C2H4S Thiirane 1.083 -0.006
CH3NO2 Methane, nitro- 1.088 -0.006
C2H4O Ethylene oxide 1.084 -0.006
CH2CHCHO Acrolein 1.084 -0.006
CH2CHF Ethene, fluoro- 1.082 -0.006
C6H6 Benzene 1.084 -0.006
C2H5Br Ethyl bromide 1.087 -0.006
CH4 Methane 1.087 -0.005
CH3CHClCH3 Propane, 2-chloro- 1.092 -0.005
CH2CHCHO Acrolein 1.081 -0.005
CH3CH2SH ethanethiol 1.091 -0.005
CH3CHFCH3 2-Fluoropropane 1.092 -0.004
CH3CHO Acetaldehyde 1.086 -0.004
H2CS Thioformaldehyde 1.087 -0.004
CH3F Methyl fluoride 1.087 -0.004
C2H2 Acetylene 1.063 -0.004
CH2NOH formaldoxime 1.085 -0.004
C3H8 Propane 1.089 -0.004
C2H5CN ethyl cyanide 1.087 -0.003
CH3Br methyl bromide 1.082 -0.003
CH3CH2OH Ethanol 1.088 -0.003
CH3NH2 methyl amine 1.093 -0.003
CH3OCH3 Dimethyl ether 1.085 -0.003
CH3CHFCH3 2-Fluoropropane 1.088 -0.003
C2H2+ acetylene cation 1.077 -0.003
CH2CHF Ethene, fluoro- 1.077 -0.002
C3H4 cyclopropene 1.072 -0.002
HCN Hydrogen cyanide 1.064 -0.002
C2H5CN ethyl cyanide 1.088 -0.002
C2H3 vinyl 1.085 -0.002
CH3CCH propyne 1.060 -0.001
CH2Br2 dibromomethane 1.079 -0.001
CH3CH2O Ethoxy radical 1.085 -0.001
CH2F2 Methane, difluoro- 1.084 -0.001
CH3CH2O Ethoxy radical 1.086 -0.000
CH2NH Methanimine 1.081 0.001
CH3CHF2 Ethane, 1,1-difluoro- 1.081 0.002
CH3CH2OH Ethanol 1.086 0.003
HCCF Fluoroacetylene 1.053 0.004
CH3CH2O Ethoxy radical 1.088 0.006
CHONH2 formamide 1.090 0.007
C3H5 Allyl radical 1.069 0.011
C2H Ethynyl radical 1.047 0.011
HCNO fulminic acid 1.027 0.029
CH3SOCH3 Dimethyl sulfoxide 1.054 0.029
HCO Formyl radical 1.080 0.032
C3H3NO Isoxazole 1.075 0.330
C4H6 1-Methylcyclopropene 1.070 0.430
C4H6 1-Methylcyclopropene 1.098 0.650
C4H6 1-Methylcyclopropene 1.098 0.668
C4H6 1-Methylcyclopropene 1.087 0.733
C4H6 1-Methylcyclopropene 1.087 2.304
C4H6 1-Methylcyclopropene 1.085 3.106