return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Home > Geometry > Experimental > Same bond/angle many molecules OR Comparisons > Geometry > Bonds, angles > Same bond/angle many molecules

Compare Angles

18 10 26 16 25

Click on entry for experimental details.
Species Name Experimental Angle Calculated Angle Difference
H2CO Formaldehyde 116.1 116.7 -0.6
CH3COCH3 Acetone 108.4 109.9 -1.5
CH3SOCH3 Dimethyl sulfoxide 106.6 110.3 -3.7
CH3Cl Methyl chloride 110.8 110.7 0.1
CH3NH2 methyl amine 108.4 108.2 0.2
CH2BrCl Methane, bromochloro- 109.5 112.4 -2.9
C3H8 Propane 106.1 106.5 -0.4
C3H8 Propane 107.3 107.9 -0.6
C3H8 Propane 108.1 107.7 0.4
CH3CH2Cl Ethyl chloride 108.3 108.6 -0.4
CH3CH2Cl Ethyl chloride 109.0 109.4 -0.4
CH2CHF Ethene, fluoro- 120.1 120.0 0.1
CH3CH2SH ethanethiol 106.6 107.5 -0.9
CH3CH2SH ethanethiol 108.9 111.5 -2.6
CH3CH2SH ethanethiol 108.9 107.5 1.4
CH3CH2SH ethanethiol 106.6 107.5 -0.9
CH3CH2SH ethanethiol 108.1 108.1 0.0
CH3CH2SH ethanethiol 109.3 108.1 1.3
CH3CH2SH ethanethiol 106.9 108.1 -1.2
C3H6 Cyclopropane 114.5 115.1 -0.6
C2H4O Ethylene oxide 116.8 116.5 0.2
CH3CH(CH3)CH3 Isobutane 108.5 108.0 0.5
CH3CH(CH3)CH3 Isobutane 107.9 107.9 0.0
CH2CCl2 Ethene, 1,1-dichloro- 120.0 120.3 -0.3
CH2CF2 Ethene, 1,1-difluoro- 122.0 121.5 0.5
N(CH3)3 Trimethylamine 108.1 108.4 -0.3
N(CH3)3 Trimethylamine 108.6 108.5 0.1
CH2CHCH2CH3 1-Butene 105.7 107.2 -1.5
CH2CHCHO Acrolein 118.0 117.6 0.4
CH2CHCHO Acrolein 120.0 117.6 2.4
CH3OCHO methyl formate 110.7 111.0 -0.3
C6H10O cyclohexanone 106.0 108.8 -2.8
C3H2N2 Malononitrile 106.9 108.1 -1.1
C6H10 cyclohexene 105.5 106.0 -0.5
C6H10 cyclohexene 106.9 107.3 -0.4
CH3OCH3 Dimethyl ether 109.2 109.4 -0.1
CH3OCH3 Dimethyl ether 108.0 108.7 -0.7
CH2C(CH3)CH3 1-Propene, 2-methyl- 118.5 117.6 0.9
C5H8O Cyclopentanone 110.0 107.8 2.2
CH3CH2CHO Propanal 108.7 108.6 0.1
CH3CH2CHO Propanal 107.0 107.5 -0.5
CH3CH2CHO Propanal 105.0 105.2 -0.2
CH3NHCH3 Dimethylamine 109.0 107.9 1.1
CH3NHCH3 Dimethylamine 109.0 108.7 0.3
CH3NHCH3 Dimethylamine 107.2 107.8 -0.6
C2H5N Aziridine 115.7 115.7 -0.0
CH2O2 Dioxirane 117.3 117.5 -0.2
CH2NN diazomethane 126.0 124.9 1.1
CH2CO Ketene 122.6 122.1 0.4
C6H6 Fulvene 117.0 117.9 -0.9
CH3CCCH3 2-Butyne 108.2 110.7 -2.5
CH3OC2H5 Ethane, methoxy- 108.6 108.7 -0.1
CH3OC2H5 Ethane, methoxy- 107.4 107.6 -0.2
CH3OC2H5 Ethane, methoxy- 108.6 108.7 -0.0
CH3F Methyl fluoride 110.2 110.6 -0.4
CH2FCl fluorochloromethane 110.4 113.3 -2.9
CH3NC methyl isocyanide 109.4 109.7 -0.3
CH3SeCH3 dimethylselenide 110.3 110.4 -0.1
CH3CCl2CH3 Propane, 2,2-dichloro- 107.2 109.2 -2.0
CH2CHCH2F Allyl Fluoride 120.0 121.0 -1.0
CH2CHCH2F Allyl Fluoride 119.3 117.6 1.7
CH2CHCH2F Allyl Fluoride 108.1 111.5 -3.4
C4H6 Cyclobutene 109.2 109.2 0.0
H2CS Thioformaldehyde 116.5 116.8 -0.3
CH3NO nitrosomethane 109.3 107.8 1.5
CH2ClCCCl 1,3-dichloropropyne 99.0 109.8 -10.9
C5H4O2 4-Cyclopentene-1,3-dione 113.2 108.3 4.9
CH3SiH3 methyl silane 108.0 108.0 0.0
SiH2(CH3)2 dimethylsilane 107.8 107.9 -0.1
SiH2(CH3)2 dimethylsilane 108.1 107.8 0.2
C5H8 Cyclobutane, methylene- 106.0 109.5 -3.5
GeH3CH3 methyl germane 108.4 108.3 0.1
C5H10S 2H-Thiopyran, tetrahydro- 105.7 106.7 -1.0
C4H6O Furan, 2,5-dihydro- 107.1 108.3 -1.2
C4H6S Thiophene, 2,5-dihydro- 109.8 108.5 1.3
CH2NH Methanimine 116.9 117.0 -0.1
CH3O Methoxy radical 107.6 107.7 -0.1
CH3 Methyl radical 120.0 120.0 0.0
CH2- methylene anion 103.0 102.4 0.6
CH2 Methylene 135.5 132.6 2.9
CH2 Methylene 102.4 132.6 -30.2
C3H4 cyclopropene 114.6 114.5 0.1
C3H4O Cyclopropanone 114.1 115.6 -1.5
C4H6 Methylenecyclopropane 114.3 118.2 -3.9
C4H6 Methylenecyclopropane 113.5 115.3 -1.8
H2CSe Selenoformaldehyde 117.9 117.3 0.6
CH2Cl chloromethyl radical 122.6 124.0 -1.4
CH3S thiomethoxy 108.9 108.3 0.7
CH2CS Thioketene 120.3 119.9 0.4
C5H6 Propellane 116.0 115.7 0.3
CH3CH2O Ethoxy radical 106.5 105.0 1.5
CH3CH2O Ethoxy radical 108.1 110.4 -2.3
C3H7N Cyclopropylamine 116.2 116.2 0.0
CH3ONO Methyl nitrite 113.4 111.1 2.4
CH3ONO Methyl nitrite 108.1 109.5 -1.4
CH3SCH2CH3 Ethane, (methylthio)- 108.6 108.4 0.2
CH3SCH2CH3 Ethane, (methylthio)- 108.2 108.3 -0.1
CH3SCH2CH3 Ethane, (methylthio)- 109.5 109.0 0.5
CH3SCH2CH3 Ethane, (methylthio)- 109.5 110.0 -0.5
CH3SCH2CH3 Ethane, (methylthio)- 108.4 108.4 -0.0
C2H4F2 1,2-difluoroethane 109.1 110.3 -1.2
C2H4F2 1,2-difluoroethane 110.0 111.1 -1.1
CH3COF Acetyl fluoride 110.9 110.6 0.2
CH2CCH2 allene 118.2 118.4 -0.2
C2H4S Thiirane 115.8 116.0 -0.2
CH2BrF Methane, bromofluoro- 112.0 113.3 -1.3
C2H5F fluoroethane 108.7 108.7 0.0
C2H5F fluoroethane 108.9 109.0 -0.1
C2H5F fluoroethane 108.8 109.4 -0.6
C5H8 Bicyclo[1.1.1]pentane 111.7 112.0 -0.3
C4H8O2 Ethyl acetate 108.1 108.1 0.0
C4H9N Pyrrolidine 106.0 108.5 -2.5
C2H8N2 Ethylenediamine 112.7 106.6 6.1
C3H7SH 1-Propanethiol 108.9 109.1 -0.2
C3H7SH 1-Propanethiol 108.1 107.0 1.1
Si(CH3)4 tetramethylsilane 109.8 107.7 2.1
CH3CHF2 Ethane, 1,1-difluoro- 107.9 109.7 -1.8
CH3COCl Acetyl Chloride 108.6 110.9 -2.3
CH3SCH3 Dimethyl sulfide 109.6 109.0 0.6
CH2F2 Methane, difluoro- 112.8 114.3 -1.5
CH2Cl2 Methylene chloride 112.1 112.3 -0.2
CH3CHO Acetaldehyde 108.3 110.3 -2.0
CH3CN Acetonitrile 109.5 109.1 0.4
CH3CCH propyne 108.3 108.4 -0.1
C2H5Br Ethyl bromide 109.9 109.6 0.3
C2H5Br Ethyl bromide 108.9 108.6 0.3
CH2Br2 dibromomethane 110.9 112.4 -1.5
CH3SH Methanethiol 110.3 108.8 1.5
C2H4 Ethylene 117.6 117.4 0.2
C2H6 Ethane 108.0 107.7 0.3
CH3Br methyl bromide 111.2 111.0 0.2
CH4 Methane 109.5 109.5 -0.0
CH3OH Methyl alcohol 109.0 108.7 0.4
CH3SeH Methane selenol 110.0 109.3 0.7
CH2PH Phosphaethene 117.2 116.7 0.5

MP2/aug-cc-pVDZ for aHCH

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


Differences greater than 25 are in the 25 bin. Differences less than -35 are in the -35 bin.

histogram chart 120
histogram chart 100 histogram chart
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 histogram chart
-35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 25
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference CH2 Methylene -30.2
Most positive difference C2H8N2 Ethylenediamine 6.1