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 122.0 122.8 -0.8
CH3CHO Acetaldehyde 123.9 124.9 -1.0
C2H4O Ethylene oxide 59.2 59.9 -0.7
CF3COOH trifluoroacetic acid 126.8 125.3 1.5
CF3COOH trifluoroacetic acid 111.1 108.2 2.9
ClCOClCO Oxalyl chloride 124.2 126.6 -2.4
CH2CHCHO Acrolein 123.9 123.5 0.4
CH2CHCHO Acrolein 124.3 123.5 0.8
C3H6O 2-Propen-1-ol 111.8 106.3 5.5
CH2ClCHO chloroacetaldehyde 123.3 123.0 0.3
C2H2O2 Ethanedial 121.2 121.6 -0.4
C4H4O Furan 110.7 110.0 0.7
CH3CH2CHO Propanal 124.4 123.5 0.9
C4H8O2 Ethyl acetate 124.1 127.7 -3.6
C4H8O2 Ethyl acetate 111.9 109.9 2.0
C4H8O2 Ethyl acetate 108.2 105.5 2.7
C2H2O4 Oxalic Acid 123.1 120.8 2.3
C3H3NO Oxazole 108.1 107.0 1.1
C3O2 Carbon suboxide 179.2 180.0 -0.8
CH3OC2H5 Ethane, methoxy- 108.2 106.1 2.0
C3H2O3 vinylene carbonate 108.7 109.0 -0.3
CH3CH2O Ethoxy radical 114.4 113.1 1.3
CH3CH2OH Ethanol 107.8 105.4 2.4

M06-2X/3-21G for aCCO

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


Differences greater than 8 are in the 8 bin. Differences less than -4 are in the -4 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
histogram chart 0 histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart
-4 -3 -2 -1 0 1 2 3 4 5 6 7 8
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference C4H8O2 Ethyl acetate -3.6
Most positive difference C3H6O 2-Propen-1-ol 5.5