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

Click on entry for experimental details.
Species Name Experimental Angle Calculated Angle Difference
CH3CH2OH Ethanol 107.8 108.0 -0.2
CH3COOH Acetic acid 126.6 126.2 0.4
CH3COOH Acetic acid 110.6 111.4 -0.8
CH3COCH3 Acetone 122.0 121.8 0.2
CH3CHO Acetaldehyde 123.9 124.9 -1.0
C2H4O Ethylene oxide 59.2 59.2 -0.0
CH2CHCHO Acrolein 123.9 124.6 -0.7
CH2CHCHO Acrolein 124.3 124.6 -0.3
C2H2O2 Ethanedial 121.2 121.7 -0.5
C4H4O Furan 110.7 110.5 0.2
CH3CH2CHO Propanal 124.4 125.1 -0.7
C4H8O2 Ethyl acetate 124.1 125.6 -1.5
C4H8O2 Ethyl acetate 111.9 110.8 1.1
C4H8O2 Ethyl acetate 108.2 107.8 0.4
C3O2 Carbon suboxide 179.2 180.0 -0.8
C3H2O3 vinylene carbonate 108.7 108.9 -0.2
C3H4O Cyclopropanone 147.7 147.7 0.0

PBEPBE/6-311+G(3df,2p) for aCCO

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


Differences greater than 4 are in the 4 bin. Differences less than -2 are in the -2 bin.

histogram chart 10
histogram chart 8
histogram chart 6
histogram chart 4 histogram chart
histogram chart 2 histogram chart histogram chart histogram chart
histogram chart 0 histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart
-2 -1.5 -1 -0.5 0 0.5 1 1.5 2 2.5 3 3.5 4
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference C4H8O2 Ethyl acetate -1.5
Most positive difference C4H8O2 Ethyl acetate 1.1