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18 10 26 16 45

CCSD/6-31G(2df,p) 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 C3H4O Cyclopropanone-0.073
Most positive difference C4H6 1-Methylcyclopropene3.128

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C3H4O Cyclopropanone 1.086 -0.073
C4H6 Methylenecyclopropane 1.088 -0.053
C4H6 Methylenecyclopropane 1.090 -0.050
CH3CONH2 Acetamide 1.124 -0.036
C2H2O2 Ethanedial 1.132 -0.028
C2H3CCH 1-Buten-3-yne 1.090 -0.028
CHCl3 Chloroform 1.073 -0.027
CHBr3 bromoform 1.110 -0.027
CHClCHCl Ethene, 1,2-dichloro-, (Z)- 1.101 -0.025
HCONHCH3 N-methylformamide 1.114 -0.024
C2H3CCH 1-Buten-3-yne 1.106 -0.023
C5H6 Propellane 1.106 -0.022
C3H6S3 1,3,5-Trithiane 1.114 -0.022
CH3CH2CH2CH3 Butane 1.117 -0.021
C7H12 Norbornane 1.113 -0.019
CH2CF2 Ethene, 1,1-difluoro- 1.091 -0.019
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.098 -0.017
N(CH3)3 Trimethylamine 1.109 -0.017
CH3COCl Acetyl Chloride 1.105 -0.016
CH3COOH Acetic acid 1.100 -0.015
CH3SH Methanethiol 1.104 -0.014
CH3CN Acetonitrile 1.104 -0.014
CH3CH2NH2 Ethylamine 1.107 -0.013
CH3CH2CHO Propanal 1.103 -0.013
C12H8 biphenylene 1.096 -0.013
CH3CCl2CH3 Propane, 2,2-dichloro- 1.101 -0.012
CH3ONO Methyl nitrite 1.102 -0.011
CH3CH(CH3)CH3 Isobutane 1.108 -0.011
CH2NH Methanimine 1.103 -0.010
CH3CHNOH Acetaldoxime 1.100 -0.010
CH3CH2CHO Propanal 1.115 -0.010
C3H6S Thietane 1.100 -0.010
C2H3Cl Ethene, chloro- 1.090 -0.009
CH2CS Thioketene 1.090 -0.008
CH3CH2CHO Propanal 1.105 -0.008
H2CO Formaldehyde 1.111 -0.007
CH2CHF Ethene, fluoro- 1.087 -0.007
CH3CH2OH Ethanol 1.098 -0.006
CH2 Methylene 1.085 -0.006
CH3CHO Acetaldehyde 1.114 -0.006
CH2PH Phosphaethene 1.090 -0.006
C2H3Br vinyl bromide 1.088 -0.006
C2H4F2 1,2-difluoroethane 1.099 -0.005
CH3CH(CH3)CH3 Isobutane 1.100 -0.005
CH2CHCHO Acrolein 1.113 -0.005
CH2CO Ketene 1.083 -0.005
CH2PH Phosphaethene 1.090 -0.005
CH2NOH formaldoxime 1.086 -0.005
CH(CN)3 tricyanomethane 1.100 -0.004
CH3NHCH3 Dimethylamine 1.098 -0.004
CH3CCH propyne 1.096 -0.004
CH3PH2 Methyl phosphine 1.094 -0.004
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.088 -0.004
CH3CH2CHO Propanal 1.096 -0.004
CH3NC methyl isocyanide 1.094 -0.004
CH3CHCl2 Ethane, 1,1-dichloro- 1.090 -0.004
CH2CHCHO Acrolein 1.089 -0.004
CH3NO nitrosomethane 1.094 -0.004
CH3OCHO methyl formate 1.101 -0.004
CH2CCH2 allene 1.087 -0.003
C3H3N acrylonitrile 1.086 -0.003
HFCO formyl fluoride 1.095 -0.003
CH3CHS Thioacetaldehyde 1.098 -0.003
CH3SeCH3 dimethylselenide 1.093 -0.003
CH3ONO Methyl nitrite 1.090 -0.003
CH3Cl Methyl chloride 1.090 -0.003
CH2CHCH2CH3 1-Butene 1.095 -0.002
C2H4 Ethylene 1.086 -0.002
CHFClBr fluorochlorobromomethane 1.088 -0.002
CH2BrF Methane, bromofluoro- 1.090 -0.002
CH2CHCH2CH3 1-Butene 1.090 -0.002
CH3CHFCH3 2-Fluoropropane 1.093 -0.002
CH3CHFCH3 2-Fluoropropane 1.094 -0.001
C2H2ClF 1-chloro-1-fluoroethylene 1.082 -0.001
CH3OC2H5 Ethane, methoxy- 1.099 -0.001
C2H3 vinyl 1.080 -0.001
C3H8 Propane 1.096 -0.001
C4H6 Cyclobutene 1.094 -0.001
C2H2 Acetylene 1.063 -0.001
CH2FCl fluorochloromethane 1.090 -0.001
CH3CHS Thioacetaldehyde 1.090 -0.001
C4H8 cyclobutane 1.093 -0.001
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.095 -0.001
CH2O2 Dioxirane 1.090 -0.001
C4H6 Cyclobutene 1.083 -0.001
C3H6 Cyclopropane 1.083 -0.001
CH3SCH3 Dimethyl sulfide 1.091 -0.001
CH3OC2H5 Ethane, methoxy- 1.092 -0.001
CHF3 Methane, trifluoro- 1.091 -0.001
CH3CHClCH3 Propane, 2-chloro- 1.091 -0.001
C2H6O2S Dimethyl sulfone 1.091 -0.001
HCOOH Formic acid 1.097 -0.000
C4H8 cyclobutane 1.091 -0.000
C6H6 Benzvalene 1.078 -0.000
C3H8 Propane 1.094 -0.000
CH3OC2H5 Ethane, methoxy- 1.100 -0.000
CH2CHCHO Acrolein 1.084 0.000
CH2Cl2 Methylene chloride 1.085 0.000
C2H5F fluoroethane 1.095 0.000
CH3NO nitrosomethane 1.092 0.000
CH3OCH3 Dimethyl ether 1.099 0.000
C6H6 Benzvalene 1.082 0.000
C2H4S Thiirane 1.083 0.000
HCCCN Cyanoacetylene 1.062 0.001
C2H5Br Ethyl bromide 1.093 0.001
C3H4 cyclopropene 1.088 0.001
C10H8 Azulene 1.080 0.001
CH2CHF Ethene, fluoro- 1.082 0.001
C4H5N Pyrrole 1.076 0.001
C10H8 Azulene 1.084 0.001
C2H3Br vinyl bromide 1.080 0.001
CH3SeH Methane selenol 1.088 0.001
CH3CH(CH3)CH3 Isobutane 1.092 0.001
C6H6 Benzvalene 1.078 0.001
HCN Hydrogen cyanide 1.064 0.001
C2H6 Ethane 1.091 0.001
C3H6O Propylene oxide 1.090 0.002
CH2NOH formaldoxime 1.085 0.002
C2H5F fluoroethane 1.091 0.002
C2H5Br Ethyl bromide 1.087 0.002
CH2CHCHO Acrolein 1.081 0.002
C10H8 Azulene 1.081 0.002
C2H4O Ethylene oxide 1.084 0.002
CH3CH2Cl Ethyl chloride 1.089 0.002
C2H4F2 1,2-difluoroethane 1.093 0.002
CH3CCH propyne 1.060 0.002
C3H4 cyclopropene 1.072 0.002
C2H5F fluoroethane 1.090 0.002
CH3NO2 Methane, nitro- 1.088 0.002
H2CS Thioformaldehyde 1.087 0.002
CH3OCHO methyl formate 1.086 0.002
CH3CHS Thioacetaldehyde 1.089 0.002
CH3CHClCH3 Propane, 2-chloro- 1.092 0.002
C2H2+ acetylene cation 1.077 0.003
CH3CH2SH ethanethiol 1.091 0.003
CH4 Methane 1.087 0.003
CH3CH2Cl Ethyl chloride 1.086 0.003
C4H4Se selenophene 1.079 0.003
CH3COF Acetyl fluoride 1.084 0.003
CH3OC2H5 Ethane, methoxy- 1.089 0.003
C2H3Cl Ethene, chloro- 1.079 0.003
CH3CHO Acetaldehyde 1.086 0.003
CH3CH2Cl Ethyl chloride 1.090 0.003
CH3CHFCH3 2-Fluoropropane 1.092 0.004
C3H8 Propane 1.089 0.004
SiH2(CH3)2 dimethylsilane 1.089 0.004
C2H3Br vinyl bromide 1.080 0.004
CH3OC2H5 Ethane, methoxy- 1.086 0.004
HCP Phosphaethyne 1.067 0.004
CH Methylidyne 1.120 0.004
CH2CHF Ethene, fluoro- 1.077 0.004
CH3NHCH3 Dimethylamine 1.098 0.004
C2H5CN ethyl cyanide 1.087 0.004
C4H2 Diacetylene 1.058 0.004
CH3CH2OH Ethanol 1.088 0.004
CH3CHFCH3 2-Fluoropropane 1.088 0.004
CH3Br methyl bromide 1.082 0.005
C2H5CN ethyl cyanide 1.088 0.005
C10H8 Azulene 1.081 0.005
C10H8 Azulene 1.083 0.005
CH3NH2 methyl amine 1.093 0.005
C2H3 vinyl 1.085 0.005
CH3OCH3 Dimethyl ether 1.085 0.006
CH2Br2 dibromomethane 1.079 0.006
CH2CCl2 Ethene, 1,1-dichloro- 1.070 0.006
C3H6O Propylene oxide 1.082 0.006
CH3CHNOH Acetaldoxime 1.085 0.006
HCCCl Chloroacetylene 1.055 0.006
HCCBr bromoacetylene 1.055 0.006
HCCF Fluoroacetylene 1.053 0.007
CH2NH Methanimine 1.081 0.008
CH3NHCH3 Dimethylamine 1.084 0.008
C4H4Se selenophene 1.070 0.008
GeH3CH3 methyl germane 1.083 0.009
CH2F2 Methane, difluoro- 1.084 0.009
CH3CHF2 Ethane, 1,1-difluoro- 1.081 0.010
C3H7N Cyclopropylamine 1.080 0.011
CH3CH2OH Ethanol 1.086 0.013
C2H Ethynyl radical 1.047 0.016
N(CH3)3 Trimethylamine 1.088 0.016
C3H5 Allyl radical 1.069 0.017
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.072 0.018
HCNO fulminic acid 1.027 0.033
HCO Formyl radical 1.080 0.040
C4H10O Methyl propyl ether 1.099 0.306
C3H3NO Isoxazole 1.075 0.352
C4H6 1-Methylcyclopropene 1.070 0.438
C4H6 1-Methylcyclopropene 1.098 0.662
C4H6 1-Methylcyclopropene 1.098 0.678
C4H6 1-Methylcyclopropene 1.087 0.737
C4H6 1-Methylcyclopropene 1.087 2.333
C4H6 1-Methylcyclopropene 1.085 3.128