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Compare Calculated Bonds for C-H

17 01 10 14 40

ROMP2/6-31G*

Histogram of Bond lengths (in Å) vs number of species


Values greater than 3.40 are in the 3.40 bin. Values less than 1.00 are in the 1.00 bin.

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1.00 1.20 1.40 1.60 1.80 2.00 2.20 2.40 2.60 2.80 3.00 3.20 3.40
bond lengths (Å)

Summary: (Å)
Average bond length Standard deviation
1.104 0.138

  Species Name Bond Length (Å)
Lowest value C2H Ethynyl radical 1.067
Highest value C2H3+ vinyl cation 3.064

Calculated Bond lengths
Click on entry for all calculated results.
Species Name Bond Length (Å) Atom1 index Atom2 index
CH Methylidyne 1.120 1 2
CH2 Methylene 1.077 1 2
    1.077 1 3
CH2+ methylene cation 1.091 1 2
    1.091 1 3
CH3- methyl anion 1.122 1 2
    1.122 1 3
    1.122 1 4
CH3 Methyl radical 1.079 1 2
    1.079 1 3
    1.079 1 4
C2H Ethynyl radical 1.067 1 3
HCN+ hydrogen cyanide cation 1.093 1 2
HCO- formyl anion 1.267 1 2
HCO Formyl radical 1.121 1 2
HCO+ Formyl cation 1.095 1 2
C2H2+ acetylene cation 1.082 1 3
    1.082 2 4
ZnCH2 Zinc methylene 1.088 2 3
    1.088 2 4
H2CN Dihydrogen cyanide radical 1.095 1 3
    1.095 1 4
H2CN+ hydrocyanonium cation 1.121 1 3
    1.121 1 4
HCNH methyleneazane 1.099 1 3
H2CO- formaldehyde anion 1.127 2 3
    1.127 2 4
H2CO+ formaldehyde cation 1.107 2 3
    1.107 2 4
H2CS+ thioformaldehyde cation 1.095 2 3
    1.095 2 4
CH2F fluoromethyl radical 1.082 1 3
    1.082 1 4
CH2Cl chloromethyl radical 1.078 1 3
    1.078 1 4
CH2Br bromomethyl radical 1.079 1 3
    1.079 1 4
C2H3 vinyl 1.082 1 3
    1.091 2 4
    1.086 2 5
C2H3+ vinyl cation 1.264 1 2
    1.084 1 3
    1.102 2 4
    3.064 3 5
ZnCH3 Zinc monomethyl 1.094 2 3
    1.094 2 4
    1.094 2 5
CH2NH+ Methanimine cation 1.100 1 3
    1.095 1 4
CH3O+ Methoxy cation 1.118 1 3
    1.118 1 4
    1.118 1 5
CH2OH Hydroxymethyl radical 1.080 1 3
    1.086 1 4
CH3Cl+ Methyl chloride cation 1.106 1 3
    1.090 1 4
    1.090 1 5
CH3Br methyl bromide 1.087 1 3
    1.087 1 4
    1.087 1 5
C2H4+ Ethylene cation 1.086 1 3
    1.086 1 4
    1.086 2 5
    1.086 2 6
CH3OH- Methyl alcohol anion 1.131 1 3
    1.132 1 4
    1.132 1 5
CH3OH+ Methyl alcohol cation 1.085 1 3
    1.106 1 4
    1.106 1 5
CH3SH+ Methanethiol cation 1.089 1 4
    1.096 1 5
    1.096 1 6
CH3NH2+ methyl amine cation 1.105 1 3
    1.090 1 4
    1.090 1 5
HCCN cyanomethylene 1.075 1 4
HCOO formate neutral radical 1.106 1 2
HCCO ketenyl radical 1.074 2 4
HFCO+ formyl fluoride cation 1.099 1 4
CHF2 difluoromethyl radical 1.089 1 2
HCCF+ fluoroacetylene cation 1.080 2 4
CHCl2 dichloromethyl radical 1.081 1 2
CHFCl Chlorofluoromethyl radical 1.085 1 2
CHBr2 dibromomethyl radical 1.083 1 2
C3H3- Propargyl anion 1.089 1 4
    1.089 1 5
    1.093 3 6
C3H3 cyclopropenyl radical 1.093 1 2
    1.079 3 5
    1.079 4 6
C3H3+ cyclopropenyl cation 1.084 1 4
    1.084 2 5
    1.084 3 6
CH3CN- acetonitrile anion 1.098 1 4
    1.101 1 5
    1.101 1 6
HCNCH2+ 2H-Azirine cation 1.088 2 4
    1.085 3 5
    1.085 3 6
CH3OO+ methylperoxy cation 1.087 1 4
    1.093 1 5
    1.093 1 6
CH2CHO Vinyloxy radical 1.105 1 2
    1.083 3 5
    1.083 3 6
CH2OOH CH2OOH radical 1.083 1 4
    1.083 1 5
CH2CHF Ethene, fluoro- 1.084 1 4
    1.083 2 5
    1.082 2 6
CH3CHN methylmethaniminyl radical 1.099 1 4
    1.091 2 5
    1.093 2 6
    1.093 2 7
CH3CHO+ acetaldehyde cation 1.107 1 4
    1.089 2 5
    1.097 2 6
    1.097 2 7
CH2CH2Cl 2-chloroethyl radical 1.082 1 4
    1.082 1 5
    1.090 2 6
    1.090 2 7
CH3CHCH 1-propenyl radical 1.095 1 4
    1.082 2 5
    1.092 3 6
    1.095 3 7
    1.095 3 8
CH3CH2O Ethoxy radical 1.094 1 4
    1.092 1 5
    1.092 1 6
    1.101 2 7
    1.101 2 8
CH3CHOH 1-hydroxy-ethyl radical 1.090 1 4
    1.094 2 5
    1.093 2 6
    1.099 2 7
CH2CH2OH 2-hydroxy ethyl radical 1.099 2 5
    1.099 2 6
    1.082 3 7
    1.082 3 8
CH3OCH2 methoxymethyl radical 1.089 2 4
    1.095 2 5
    1.096 2 6
    1.082 3 7
    1.088 3 8
CH3SCH3+ dimethyl sulfide cation 1.091 2 4
    1.091 3 5
    1.095 2 6
    1.095 2 7
    1.095 3 8
    1.095 3 9
CH3CHCH3 Isopropyl radical 1.085 1 4
    1.096 2 5
    1.096 3 6
    1.101 2 7
    1.093 2 8
    1.101 3 9
    1.093 3 10
C3H7 n-Propyl radical 1.094 3 4
    1.093 3 5
    1.094 3 6
    1.102 2 7
    1.097 2 8
    1.083 1 9
    1.084 1 10
C2H2O2 Ethanedial 1.105 1 3
    1.105 2 4
C3H3N+ acrylonitrile cation 1.090 3 4
    1.088 5 6
    1.088 5 7
C2H4F2 1,2-difluoroethane 1.093 1 5
    1.093 1 6
    1.093 2 7
    1.093 2 8
CH3COCH2 Acetonyl radical 1.083 3 5
    1.084 3 6
    1.090 4 7
    1.095 4 8
    1.095 4 9
C2H5OO ethylperoxy radical 1.093 1 5
    1.092 1 6
    1.092 1 7
    1.092 2 8
    1.092 2 9
CH3COCH3- acetone anion 1.098 3 5
    1.098 4 6
    1.116 3 7
    1.102 3 8
    1.116 4 9
    1.102 4 10
C3H3N2 imidazolyl radical 1.084 1 6
    1.085 4 7
    1.085 5 8
C3H4N2 1H-Imidazole 1.082 2 7
    1.080 3 8
    1.082 5 9
C4H4N pyrrolide radical 1.085 2 6
    1.085 3 7
    1.083 4 8
    1.083 5 9
C6H5CHO benzaldehyde 1.111 7 9
    1.087 2 10
    1.087 3 11
    1.087 4 12
    1.087 5 13
    1.089 6 14