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Compare Angles

18 10 26 16 25

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Species Name Experimental Angle Calculated Angle Difference
CH3SeH Methane selenol 110.0 108.3 1.7
H2CO Formaldehyde 116.1 114.0 2.2
CH3OH Methyl alcohol 109.0 108.0 1.0
CH3COCH3 Acetone 108.4 109.0 -0.6
CH4 Methane 109.5 109.5 -0.0
CH3Br methyl bromide 111.2 108.8 2.4
C2H4 Ethylene 117.6 116.5 1.1
CH3Cl Methyl chloride 110.8 110.1 0.7
CH3NH2 methyl amine 108.4 108.2 0.2
CH3SH Methanethiol 110.3 107.7 2.6
CH2BrCl Methane, bromochloro- 109.5 109.3 0.2
CH2CHF Ethene, fluoro- 120.1 118.4 1.7
CH3CN Acetonitrile 109.5 108.9 0.6
CH3CH2SH ethanethiol 106.6 106.8 -0.2
CH3CH2SH ethanethiol 108.9 108.9 0.0
CH3CH2SH ethanethiol 108.9 106.8 2.1
CH3CH2SH ethanethiol 106.6 106.8 -0.2
CH3CH2SH ethanethiol 108.1 108.1 -0.0
CH3CH2SH ethanethiol 109.3 108.1 1.2
CH3CH2SH ethanethiol 106.9 108.1 -1.2
CH2Cl2 Methylene chloride 112.1 110.7 1.4
CH2F2 Methane, difluoro- 112.8 108.4 4.4
CH2I2 Diiodomethane 111.6 107.5 4.1
C3H6 Cyclopropane 114.5 114.3 0.2
C2H4O Ethylene oxide 116.8 114.6 2.1
CH3CHF2 Ethane, 1,1-difluoro- 107.9 109.1 -1.2
Si(CH3)4 tetramethylsilane 109.8 107.4 2.4
C3H2N2 Malononitrile 106.9 108.1 -1.1
CH3OCH3 Dimethyl ether 109.2 108.5 0.7
CH3OCH3 Dimethyl ether 108.0 107.8 0.2
C7H8 Norbornadiene 112.0 110.2 1.8
C4H8O2 Ethyl acetate 108.1 107.0 1.1
CH2N2 diazirine 117.0 117.8 -0.8
CH2O2 Dioxirane 117.3 115.2 2.2
C2H5F fluoroethane 108.8 107.3 1.5
C2H5F fluoroethane 108.9 108.6 0.3
C2H5F fluoroethane 108.7 108.7 -0.0
CH2BrF Methane, bromofluoro- 112.0 108.4 3.6
CH2FI fluoroiodomethane 113.0 108.2 4.8
CH2CCH2 allene 118.2 116.5 1.7
CH2CO Ketene 122.6 120.1 2.4
CH3OC2H5 Ethane, methoxy- 108.6 107.7 0.8
CH3OC2H5 Ethane, methoxy- 107.4 107.0 0.4
CH3OC2H5 Ethane, methoxy- 108.6 108.5 0.1
CH2FCl fluorochloromethane 110.4 109.9 0.5
CH2ClI chloroiodomethane 111.0 108.9 2.1
CH3NC methyl isocyanide 109.4 109.6 -0.2
CH3OCl methyl hypochlorite 110.5 109.4 1.1
CH3OCl methyl hypochlorite 108.3 109.3 -1.0
CH3SeCH3 dimethylselenide 110.3 108.4 1.9
H2CS Thioformaldehyde 116.5 112.7 3.8
CH3NO nitrosomethane 109.3 109.1 0.2
CH2ClCCCl 1,3-dichloropropyne 99.0 109.0 -10.0
C5H4O2 4-Cyclopentene-1,3-dione 113.2 107.9 5.3
SiH2(CH3)2 dimethylsilane 107.8 107.4 0.4
SiH2(CH3)2 dimethylsilane 108.1 107.4 0.7
GeH3CH3 methyl germane 108.4 107.2 1.2
CH2NH Methanimine 116.9 116.0 0.9
CH3CH2O Ethoxy radical 108.1 110.1 -2.0
CH3CH2O Ethoxy radical 106.5 107.2 -0.7
CH2- methylene anion 103.0 94.7 8.3
CH2 Methylene 135.5 124.8 10.7
CH2 Methylene 102.4 124.8 -22.4
C3H4 cyclopropene 114.6 113.2 1.4
H2CSe Selenoformaldehyde 117.9 113.1 4.9
CH2Cl chloromethyl radical 122.6 118.8 3.8
CH2CS Thioketene 120.3 117.6 2.7
CH2PH Phosphaethene 117.2 114.1 3.1
C3H4O Cyclopropanone 114.1 114.6 -0.5
CH3 Methyl radical 120.0 120.0 -0.0
C4H6O Furan, 2,5-dihydro- 107.1 107.2 -0.1
CH2CHCH2F Allyl Fluoride 119.3 121.1 -1.8
CH2CHCH2F Allyl Fluoride 120.0 117.2 2.8
C2H4F2 1,2-difluoroethane 109.1 107.8 1.3
C2H4F2 1,2-difluoroethane 110.0 108.8 1.2
CH3CCl2CH3 Propane, 2,2-dichloro- 107.2 109.2 -2.0
CH3F Methyl fluoride 110.2 108.0 2.2
C6H6 Fulvene 117.0 116.9 0.1
CH2FCH2CH3 1-Fluoropropane 108.5 108.2 0.3
CH2FCH2CH3 1-Fluoropropane 107.7 108.3 -0.6
CH2FCH2CH3 1-Fluoropropane 107.3 107.5 -0.2
CH2FCH2CH3 1-Fluoropropane 109.0 107.2 1.8
C2H4S Thiirane 115.8 113.2 2.6
CH2NN diazomethane 126.0 113.9 12.1
C5H8 Bicyclo[1.1.1]pentane 111.7 111.4 0.3
CH3CH2CHO Propanal 105.0 106.9 -1.9
CH3CH2CHO Propanal 107.0 108.0 -1.0
CH3CH2CHO Propanal 108.7 108.5 0.2
C5H8O Cyclopentanone 110.0 107.8 2.2
CH2CHCHO Acrolein 120.0 116.8 3.2
CH2CHCHO Acrolein 118.0 116.8 1.2
CH2CHCH2CH3 1-Butene 105.7 107.5 -1.8
CH3COCH2CH3 2-Butanone 105.4 106.9 -1.5
CH3COCH2CH3 2-Butanone 107.6 108.0 -0.4
CH3CH(CH3)CH3 Isobutane 107.9 108.2 -0.3
CH3CH(CH3)CH3 Isobutane 108.5 108.3 0.2
CH3SCH3 Dimethyl sulfide 109.6 107.9 1.7
CH3CHO Acetaldehyde 108.3 109.1 -0.8
C2H5I Ethyl iodide 107.9 108.4 -0.5
C2H5I Ethyl iodide 109.3 108.4 0.9
C2H5I Ethyl iodide 109.9 107.6 2.3
CH3CCH propyne 108.3 108.3 0.0
C3H8 Propane 108.1 108.1 -0.0
C3H8 Propane 107.3 108.2 -0.9
C3H8 Propane 106.1 107.2 -1.1
C2H5Br Ethyl bromide 109.9 107.7 2.2
C2H5Br Ethyl bromide 108.9 108.5 0.4
CH2Br2 dibromomethane 110.9 108.0 2.9
C2H6 Ethane 108.0 108.2 -0.2
CH3SOCH3 Dimethyl sulfoxide 106.6 109.4 -2.8
C5H6 Propellane 116.0 114.0 2.0

MP2/STO-3G for aHCH

Histogram of angle differences (in degrees) vs number of species


Differences greater than 35 are in the 35 bin. Differences less than -25 are in the -25 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
histogram chart 0 histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart
-25 -20 -15 -10 -5 0 5 10 15 20 25 30 35
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference CH2 Methylene -22.4
Most positive difference CH2NN diazomethane 12.1