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
CH3CH2OH Ethanol 105.4 107.5 -2.1
HCOOH Formic acid 106.3 105.9 0.4
CH3OH Methyl alcohol 108.9 107.3 1.6
CF3COOH trifluoroacetic acid 107.0 108.8 -1.8
HOCH2COOH Hydroxyacetic acid 105.5 106.2 -0.7
HOCH2COOH Hydroxyacetic acid 105.2 105.1 0.1
C3H6O 2-Propen-1-ol 107.3 83.1 24.2
C2H2O4 Oxalic Acid 104.4 105.3 -0.9
C3H8O2 1,3-Propanediol 109.0 105.3 3.7
C3H8O2 1,3-Propanediol 97.0 108.1 -11.1
CH2CHOH ethenol 108.3 108.1 0.2
HOCO+ Hydrocarboxyl cation 119.4 118.6 0.8

MP2=FULL/6-31G(2df,p) for aHOC

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


Differences greater than 45 are in the 45 bin. Differences less than -15 are in the -15 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 0 histogram chart histogram chart histogram chart histogram chart
-15 -10 -5 0 5 10 15 20 25 30 35 40 45
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference C3H8O2 1,3-Propanediol -11.1
Most positive difference C3H6O 2-Propen-1-ol 24.2