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 122.0 123.0 -1.0
CH3CHO Acetaldehyde 123.9 124.9 -1.0
C2H4O Ethylene oxide 59.2 59.4 -0.2
ClCOClCO Oxalyl chloride 124.2 127.1 -2.9
CH2CHCHO Acrolein 123.9 124.8 -0.9
CH2CHCHO Acrolein 124.3 124.8 -0.5
C2H2O2 Ethanedial 121.2 123.2 -2.0
C4H4O Furan 110.7 111.3 -0.6
CH3CH2CHO Propanal 124.4 125.1 -0.7
C4H8O2 Ethyl acetate 124.1 127.6 -3.5
C4H8O2 Ethyl acetate 111.9 108.2 3.7
C4H8O2 Ethyl acetate 108.2 107.3 0.9
C2H2O4 Oxalic Acid 123.1 111.8 11.3
C3O2 Carbon suboxide 179.2 180.0 -0.8
C3H2O3 vinylene carbonate 108.7 111.2 -2.5
CH3CH2OH Ethanol 107.8 107.6 0.2

TPSSh/STO-3G for aCCO

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


Differences greater than 20 are in the 20 bin. Differences less than -4 are in the -4 bin.

histogram chart 10
histogram chart 8 histogram chart
histogram chart 6 histogram chart
histogram chart 4 histogram chart
histogram chart 2 histogram chart histogram chart
histogram chart 0 histogram chart histogram chart histogram chart histogram chart histogram chart
-4 -2 0 2 4 6 8 10 12 14 16 18 20
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference C4H8O2 Ethyl acetate -3.5
Most positive difference C2H2O4 Oxalic Acid 11.3