return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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Compare Angles

18 10 26 16 25

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Species Name Experimental Angle Calculated Angle Difference
CH3CH2OH Ethanol 107.8 107.9 -0.1
CH3COCH3 Acetone 122.0 122.9 -0.9
CH3CHO Acetaldehyde 123.9 124.8 -0.9
C2H4O Ethylene oxide 59.2 59.3 -0.1
CF3COOH trifluoroacetic acid 126.8 126.8 0.0
CF3COOH trifluoroacetic acid 111.1 108.5 2.6
HOCH2COOH Hydroxyacetic acid 112.6 116.1 -3.5
HOCH2COOH Hydroxyacetic acid 124.2 118.9 5.3
HOCH2COOH Hydroxyacetic acid 111.3 105.9 5.4
ClCOClCO Oxalyl chloride 124.2 126.7 -2.5
CH2CHCHO Acrolein 123.9 124.6 -0.7
CH2CHCHO Acrolein 124.3 124.6 -0.3
C3H6O 2-Propen-1-ol 111.8 108.1 3.7
CH2ClCHO chloroacetaldehyde 123.3 123.3 -0.0
C2H2O2 Ethanedial 121.2 122.9 -1.7
C4H2O3 Maleic Anhydride 129.2 130.5 -1.3
C4H2O3 Maleic Anhydride 108.2 108.0 0.2
C4H4O Furan 110.7 111.2 -0.5
CH3CH2CHO Propanal 124.4 125.0 -0.6
C4H8O2 Ethyl acetate 124.1 127.4 -3.3
C4H8O2 Ethyl acetate 111.9 108.8 3.1
C4H8O2 Ethyl acetate 108.2 107.6 0.6
C2H2O4 Oxalic Acid 123.1 115.2 7.9
C3H3NO Oxazole 108.1 109.2 -1.1
C4H6O2 2,3-Butanedione 120.3 121.4 -1.1
C3H8O2 1,3-Propanediol 108.0 112.9 -4.9
C3H8O2 1,3-Propanediol 112.0 106.9 5.1
C3O2 Carbon suboxide 179.2 180.0 -0.8
C4H8O2 1,3-Dioxane 109.2 111.4 -2.2
CH3OC2H5 Ethane, methoxy- 108.2 107.9 0.3
CH2CHOH ethenol 126.2 127.1 -0.9
C3H2O3 vinylene carbonate 108.7 110.9 -2.2
C5H4O2 4-Cyclopentene-1,3-dione 124.9 127.0 -2.1
CH3CH2O Ethoxy radical 114.4 114.5 -0.1
C3H4O Cyclopropanone 147.7 148.7 -1.0

mPW1PW91/STO-3G for aCCO

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


Differences greater than 18 are in the 18 bin. Differences less than -6 are in the -6 bin.

histogram chart 18
histogram chart 16 histogram chart
histogram chart 14 histogram chart
histogram chart 12 histogram chart
histogram chart 10 histogram chart
histogram chart 8 histogram chart
histogram chart 6 histogram chart histogram chart
histogram chart 4 histogram chart histogram chart
histogram chart 2 histogram chart histogram chart histogram chart histogram chart
histogram chart 0 histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart
-6 -4 -2 0 2 4 6 8 10 12 14 16 18
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference C3H8O2 1,3-Propanediol -4.9
Most positive difference C2H2O4 Oxalic Acid 7.9