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
CH3COCH3 Acetone 122.0 122.9 -0.9
CH3CHO Acetaldehyde 123.9 125.2 -1.3
C2H4O Ethylene oxide 59.2 60.1 -0.9
CH2CHCHO Acrolein 123.9 124.1 -0.2
CH2CHCHO Acrolein 124.3 124.1 0.2
C2H2O2 Ethanedial 121.2 121.9 -0.7
C4H4O Furan 110.7 110.0 0.7
CH3CH2CHO Propanal 124.4 124.4 0.0
C4H8O2 Ethyl acetate 124.1 127.6 -3.5
C4H8O2 Ethyl acetate 111.9 109.7 2.2
C4H8O2 Ethyl acetate 108.2 105.8 2.4
C3O2 Carbon suboxide 179.2 180.0 -0.8
C3H2O3 vinylene carbonate 108.7 109.1 -0.4
C2H2O4 Oxalic Acid 123.1 121.2 1.9
ClCOClCO Oxalyl chloride 124.2 127.1 -2.9
CH3CH2OH Ethanol 107.8 106.0 1.8

wB97X-D/3-21G for aCCO

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


Differences greater than 2.5 are in the 2.5 bin. Differences less than -3.5 are in the -3.5 bin.

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

  Species Name Difference (degrees)
Most negative difference C4H8O2 Ethyl acetate -3.5
Most positive difference C4H8O2 Ethyl acetate 2.4