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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 200
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-0.046
Most positive difference C4H6 1-Methylcyclopropene3.136

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C3H8O2 1,3-Propanediol 1.140 -0.046
C5H8O Methyl cyclopropyl ketone 1.126 -0.036
C2H2O2 Ethanedial 1.132 -0.036
CHBr3 bromoform 1.110 -0.027
C4H6O2 2,3-Butanedione 1.114 -0.025
C2HF3 Trifluoroethylene 1.100 -0.025
C3H6S3 1,3,5-Trithiane 1.114 -0.024
C2H3CCH 1-Buten-3-yne 1.090 -0.024
C3H7NO dimethylformamide 1.112 -0.023
CH2ClCH2CH3 Propane, 1-chloro- 1.113 -0.023
C5H6 Propellane 1.106 -0.023
HCONHCH3 N-methylformamide 1.114 -0.022
C2H3CCH 1-Buten-3-yne 1.106 -0.021
C7H12 Norbornane 1.113 -0.020
Si(CH3)4 tetramethylsilane 1.115 -0.019
C5H10S 2H-Thiopyran, tetrahydro- 1.114 -0.018
CH3CH2CH2CH3 Butane 1.117 -0.018
CH3OCl methyl hypochlorite 1.111 -0.017
C4H8O2 Ethyl acetate 1.105 -0.017
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.098 -0.016
C12H8 biphenylene 1.096 -0.015
CH2CHOH ethenol 1.097 -0.014
C3H2N2 Malononitrile 1.109 -0.014
CH3CH2CHO Propanal 1.115 -0.014
C5H8 Ethenylcyclopropane 1.099 -0.013
CH3CHO Acetaldehyde 1.114 -0.012
CH2N2 diazirine 1.090 -0.012
C4H8O2 1,3-Dioxane 1.095 -0.012
H2CO Formaldehyde 1.111 -0.012
C2H8N2 Ethylenediamine 1.109 -0.012
C5H8 1,4-Pentadiene 1.110 -0.011
CH3SH Methanethiol 1.104 -0.011
CH2CHCHO Acrolein 1.113 -0.011
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 1.089 -0.010
CH3CH2NH2 Ethylamine 1.107 -0.010
CH3CCl2CH3 Propane, 2,2-dichloro- 1.101 -0.010
CH3CH2CHO Propanal 1.103 -0.009
CH3CN Acetonitrile 1.104 -0.009
HCOOH Formic acid 1.097 -0.009
CHF3 Methane, trifluoro- 1.091 -0.008
HFCO formyl fluoride 1.095 -0.008
CHF2Cl difluorochloromethane 1.090 -0.008
CH2O2 Dioxirane 1.090 -0.007
CH2NH Methanimine 1.103 -0.007
CHFClBr fluorochlorobromomethane 1.088 -0.005
C4H6O Furan, 2,5-dihydro- 1.100 -0.005
CH3CH2CHO Propanal 1.105 -0.005
C3H6O 2-Propen-1-ol 1.092 -0.005
CH3OH Methyl alcohol 1.096 -0.004
HOCH2COOH Hydroxyacetic acid 1.097 -0.004
CH2FCl fluorochloromethane 1.090 -0.004
C2H4F2 1,2-difluoroethane 1.094 -0.004
CH2BrF Methane, bromofluoro- 1.090 -0.004
CH2CS Thioketene 1.090 -0.004
C2H6O2S Dimethyl sulfone 1.091 -0.004
C3H6O 2-Propen-1-ol 1.091 -0.004
CHF2CHF2 1,1,2,2-tetrafluoroethane 1.087 -0.004
C4H6S Thiophene, 2,5-dihydro- 1.095 -0.003
CH2NOH formaldoxime 1.086 -0.003
C6H10 cyclohexene 1.090 -0.003
CH2CHF Ethene, fluoro- 1.087 -0.003
CH2PH Phosphaethene 1.090 -0.003
CH2PH Phosphaethene 1.090 -0.002
CH(CN)3 tricyanomethane 1.100 -0.002
C3H6O 2-Propen-1-ol 1.102 -0.002
H2NCH2COOH Glycine 1.096 -0.002
C4H4N2 Pyrazine 1.083 -0.002
C3H3NO Oxazole 1.075 -0.002
C2H2F2 Ethene, 1,2-difluoro-, (E)- 1.080 -0.002
CH3CH2CHO Propanal 1.096 -0.001
CH2CHCHO Acrolein 1.089 -0.001
C3H3NO Oxazole 1.075 -0.001
C6H6 Benzvalene 1.078 -0.001
C6H10 cyclohexene 1.100 -0.001
CH3OC2H5 Ethane, methoxy- 1.099 -0.001
CH2CO Ketene 1.083 -0.001
C5H4O2 4-Cyclopentene-1,3-dione 1.093 -0.001
CH3NO nitrosomethane 1.094 -0.001
CH3SeCH3 dimethylselenide 1.093 -0.001
C3H3NO Oxazole 1.073 -0.000
CH3CHClCH3 Propane, 2-chloro- 1.091 -0.000
C10H8 Azulene 1.084 -0.000
CH3NC methyl isocyanide 1.094 -0.000
C10H8 Azulene 1.081 -0.000
C6H6 Benzvalene 1.082 -0.000
CH2Cl2 Methylene chloride 1.085 -0.000
C10H8 Azulene 1.080 -0.000
CH2CCH2 allene 1.087 -0.000
CH3Cl Methyl chloride 1.090 0.000
C6H5F Fluorobenzene 1.083 0.000
CH2CHF Ethene, fluoro- 1.082 0.000
CH3OC2H5 Ethane, methoxy- 1.100 0.000
C6H5CN phenyl cyanide 1.082 0.000
CH3CHFCH3 2-Fluoropropane 1.093 0.000
C4H6S Thiophene, 2,5-dihydro- 1.085 0.000
CH3CHFCH3 2-Fluoropropane 1.094 0.000
C6H5F Fluorobenzene 1.081 0.000
CH2CHCH2CH3 1-Butene 1.095 0.001
C2H4O Ethylene oxide 1.084 0.001
CH3CCH propyne 1.096 0.001
C2H2ClF 1-chloro-1-fluoroethylene 1.082 0.001
CH3SCH3 Dimethyl sulfide 1.091 0.001
CH2CHCH2CH3 1-Butene 1.090 0.001
C2H4S Thiirane 1.083 0.001
C3H4 cyclopropene 1.088 0.001
CH3OC2H5 Ethane, methoxy- 1.092 0.002
CH2NOH formaldoxime 1.085 0.002
CH2CHOH ethenol 1.086 0.002
CH3NO nitrosomethane 1.092 0.002
CH3CHS Thioacetaldehyde 1.089 0.002
C6H5Cl chlorobenzene 1.082 0.002
H2CS Thioformaldehyde 1.087 0.002
CH3CHS Thioacetaldehyde 1.098 0.002
C5H8O Cyclopentanone 1.095 0.002
C4H8 cyclobutane 1.093 0.002
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.092 0.002
CH3NO2 Methane, nitro- 1.088 0.002
CH3CHFCH3 2-Fluoropropane 1.092 0.002
C3H6O 2-Propen-1-ol 1.096 0.002
C4H8 cyclobutane 1.091 0.002
CH2CHCHO Acrolein 1.084 0.002
C4H5N Pyrrole 1.076 0.002
C6H5CN phenyl cyanide 1.080 0.003
C3H6 Cyclopropane 1.083 0.003
C6H6 Benzvalene 1.078 0.003
CH2 Methylene 1.085 0.003
C6H5Cl chlorobenzene 1.081 0.003
C2H4 Ethylene 1.086 0.003
C2H5Br Ethyl bromide 1.087 0.003
H2CCCCH2 Butatriene 1.083 0.003
C6H5F Fluorobenzene 1.080 0.003
C6H5CN phenyl cyanide 1.080 0.003
C6H5Cl chlorobenzene 1.079 0.003
C6H10O cyclohexanone 1.088 0.003
CH2CHCHO Acrolein 1.081 0.003
CH2F2 Methane, difluoro- 1.084 0.003
C3H8 Propane 1.096 0.003
CH3CHS Thioacetaldehyde 1.090 0.004
C10H8 Azulene 1.081 0.004
C10H8 Azulene 1.083 0.004
CH3OC2H5 Ethane, methoxy- 1.086 0.004
C3H4 cyclopropene 1.072 0.004
C3H8 Propane 1.094 0.004
C4H4Se selenophene 1.079 0.004
CH2CHOH ethenol 1.079 0.005
HCCCN Cyanoacetylene 1.062 0.005
C2H3 vinyl 1.080 0.005
HCN Hydrogen cyanide 1.064 0.005
CH3CHClCH3 Propane, 2-chloro- 1.092 0.006
C2H2 Acetylene 1.063 0.006
C2H5Br Ethyl bromide 1.093 0.006
HCS+ Thioformyl cation 1.079 0.006
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.091 0.006
CH3F Methyl fluoride 1.087 0.006
CH2Br2 dibromomethane 1.079 0.006
CH3OC2H5 Ethane, methoxy- 1.089 0.007
HCCl Chloromethylene 1.119 0.007
C2H2+ acetylene cation 1.077 0.007
CH2CHF Ethene, fluoro- 1.077 0.007
C3H6O 2-Propen-1-ol 1.078 0.007
CH3CCH propyne 1.060 0.007
CH3CHFCH3 2-Fluoropropane 1.088 0.007
CH3CHO Acetaldehyde 1.086 0.007
CH3OCl methyl hypochlorite 1.086 0.007
C2H5CN ethyl cyanide 1.087 0.007
CH3CH2SH ethanethiol 1.091 0.007
CH2NH Methanimine 1.081 0.008
C2H6 Ethane 1.091 0.008
SiH2(CH3)2 dimethylsilane 1.089 0.008
CH3Br methyl bromide 1.082 0.008
CHONH2 formamide 1.090 0.008
C3H8 Propane 1.089 0.008
CH3 Methyl radical 1.079 0.008
C2H5CN ethyl cyanide 1.088 0.008
C4H9N Pyrrolidine 1.090 0.009
C4H4Se selenophene 1.070 0.009
C2H3 vinyl 1.085 0.010
C6H5Br bromobenzene 1.072 0.011
CH3CH2O Ethoxy radical 1.085 0.011
CH4 Methane 1.087 0.011
CH3CHF2 Ethane, 1,1-difluoro- 1.081 0.011
CH3CH2O Ethoxy radical 1.086 0.011
HCCF Fluoroacetylene 1.053 0.012
HCCBr bromoacetylene 1.055 0.012
HCCCl Chloroacetylene 1.055 0.012
CH3NH2 methyl amine 1.093 0.012
CH3CH2O Ethoxy radical 1.088 0.013
GeH3CH3 methyl germane 1.083 0.013
CH2NCH3 N-methylmethanimine 1.089 0.013
C2H Ethynyl radical 1.047 0.021
C3H5 Allyl radical 1.069 0.022
CH Methylidyne 1.120 0.028
HCNO fulminic acid 1.027 0.035
HCO Formyl radical 1.080 0.038
C4H10O Methyl propyl ether 1.099 0.347
C3H3NO Isoxazole 1.075 0.366
C4H6 1-Methylcyclopropene 1.070 0.465
C4H6 1-Methylcyclopropene 1.098 0.671
C4H6 1-Methylcyclopropene 1.098 0.681
C4H6 1-Methylcyclopropene 1.087 0.737
C4H6 1-Methylcyclopropene 1.087 2.373
C4H6 1-Methylcyclopropene 1.085 3.136