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 122.9 123.2 -0.3
CH3CH2OH Ethanol 107.8 107.4 0.4
CH3COOH Acetic acid 126.6 124.9 1.7
CH3COOH Acetic acid 110.6 112.5 -1.9
CH3CHO Acetaldehyde 123.9 124.3 -0.4
C2H4O Ethylene oxide 59.2 59.2 0.0
ClCOClCO Oxalyl chloride 124.2 123.5 0.7
CH2CHCHO Acrolein 123.9 123.8 0.1
CH2CHCHO Acrolein 124.3 123.8 0.5
C3H6O 2-Propen-1-ol 111.8 107.6 4.2
C2H2O2 Ethanedial 121.2 121.1 0.1
CH3CH2CHO Propanal 124.4 124.0 0.4
C2H2O4 Oxalic Acid 123.1 121.0 2.1
C3H3NO Oxazole 108.1 108.1 0.0
C3O2 Carbon suboxide 179.2 180.0 -0.8
CH3OC2H5 Ethane, methoxy- 108.2 107.4 0.7
CH3COF Acetyl fluoride 128.4 129.0 -0.7
C3H2O3 vinylene carbonate 108.7 108.7 0.0
C3H4O Cyclopropanone 147.7 147.4 0.3

CCSD=FULL/6-31G* for aCCO

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


Differences greater than 10 are in the 10 bin. Differences less than -2 are in the -2 bin.

histogram chart 12
histogram chart 10 histogram chart
histogram chart 8 histogram chart
histogram chart 6 histogram chart
histogram chart 4 histogram chart
histogram chart 2 histogram chart
histogram chart 0 histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart
-2 -1 0 1 2 3 4 5 6 7 8 9 10
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference CH3COOH Acetic acid -1.9
Most positive difference C3H6O 2-Propen-1-ol 4.2