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
HCOOH Formic acid 124.9 125.0 -0.1
CH3COOH Acetic acid 123.0 122.2 0.8
CH3OCHO methyl formate 125.9 125.1 0.8
C3H6O3 1,3,5-Trioxane 112.0 119.4 -7.4
CO2 Carbon dioxide 180.0 180.0 0.0
C2H2O4 Oxalic Acid 125.0 127.2 -2.2
CH2O2 Dioxirane 66.2 64.8 1.4
C4H8O2 1,3-Dioxane 115.0 113.2 1.8
HOCO+ Hydrocarboxyl cation 174.4 174.2 0.2

SVWN/TZVP for aOCO

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


Differences greater than 4 are in the 4 bin. Differences less than -8 are in the -8 bin.

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

  Species Name Difference (degrees)
Most negative difference C3H6O3 1,3,5-Trioxane -7.4
Most positive difference C4H8O2 1,3-Dioxane 1.8