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
HO2 Hydroperoxy radical 104.3 180.0 -75.7
H2O3 Hydrogen trioxide 101.1 100.1 1.0

M06-2X/3-21G* for aHOO

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


Differences greater than 40 are in the 40 bin. Differences less than -80 are in the -80 bin.

histogram chart 10
histogram chart 8
histogram chart 6
histogram chart 4
histogram chart 2
histogram chart 0 histogram chart histogram chart
-80 -70 -60 -50 -40 -30 -20 -10 0 10 20 30 40
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference HO2 Hydroperoxy radical -75.7
Most positive difference H2O3 Hydrogen trioxide 1.0