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
CH3CONH2 Acetamide 122.9 123.3 -0.4
CH3CH2OH Ethanol 107.8 107.5 0.3
CH3COOH Acetic acid 126.6 124.5 2.1
CH3COOH Acetic acid 110.6 112.7 -2.1
CH3COCH3 Acetone 122.0 121.9 0.1
CH3CHO Acetaldehyde 123.9 124.6 -0.7
C2H4O Ethylene oxide 59.2 59.4 -0.2
HOCH2COOH Hydroxyacetic acid 112.6 112.3 0.3
HOCH2COOH Hydroxyacetic acid 124.2 123.2 1.0
HOCH2COOH Hydroxyacetic acid 111.3 110.6 0.7
ClCOClCO Oxalyl chloride 124.2 124.2 -0.0
CH2CHCHO Acrolein 123.9 124.4 -0.5
CH2CHCHO Acrolein 124.3 124.4 -0.1
C3H6O 2-Propen-1-ol 111.8 88.6 23.2
C2H2O2 Ethanedial 121.2 121.4 -0.2
CH3CH2CHO Propanal 124.4 123.8 0.6
C4H8O2 Ethyl acetate 124.1 125.8 -1.7
C4H8O2 Ethyl acetate 111.9 110.7 1.2
C4H8O2 Ethyl acetate 108.2 107.1 1.1
C2H2O4 Oxalic Acid 123.1 121.3 1.8
C3H3NO Oxazole 108.1 108.2 -0.1
C3O2 Carbon suboxide 179.2 180.0 -0.8
CH3COF Acetyl fluoride 128.4 129.4 -1.1
C3H2O3 vinylene carbonate 108.7 108.7 0.0
CH3CH2O Ethoxy radical 114.4 114.9 -0.5
C3H4O Cyclopropanone 147.7 147.3 0.4

MP2=FULL/aug-cc-pVTZ for aCCO

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


Differences greater than 55 are in the 55 bin. Differences less than -5 are in the -5 bin.

histogram chart 25
histogram chart 20 histogram chart
histogram chart 15 histogram chart
histogram chart 10 histogram chart
histogram chart 5 histogram chart
histogram chart 0 histogram chart histogram chart
-5 0 5 10 15 20 25 30 35 40 45 50 55
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference CH3COOH Acetic acid -2.1
Most positive difference C3H6O 2-Propen-1-ol 23.2