return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Home > Geometry > Experimental > Same bond/angle many molecules OR Comparisons > Geometry > Bonds, angles > Same bond/angle many molecules

Compare Angles

18 10 26 16 25

Click on entry for experimental details.
Species Name Experimental Angle Calculated Angle Difference
H2O Water 104.5 102.7 1.8
H2O+ water cation 109.3 108.0 1.3
H3O+ hydronium cation 111.3 110.9 0.4

HSEh1PBE/cc-pVDZ for aHOH

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


Differences greater than 2.2 are in the 2.2 bin. Differences less than -0.2 are in the -0.2 bin.

histogram chart 10
histogram chart 8
histogram chart 6
histogram chart 4
histogram chart 2
histogram chart 0 histogram chart histogram chart histogram chart
-0.2 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference H3O+ hydronium cation 0.4
Most positive difference H2O Water 1.8