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
HCOOH Formic acid 124.9 125.0 -0.1
CH3COOH Acetic acid 123.0 122.2 0.8
CH3OCHO methyl formate 125.9 126.0 -0.1
C4H2O3 Maleic Anhydride 122.6 122.5 0.1
C3H8O2 Methane, dimethoxy- 114.3 114.2 0.1
C3H6O3 1,3,5-Trioxane 112.0 111.6 0.4
CO2 Carbon dioxide 180.0 180.0 0.0
C4H8O2 Ethyl acetate 124.0 123.6 0.4
C2H2O4 Oxalic Acid 125.0 125.5 -0.5
CH2O2 Dioxirane 66.2 65.2 1.0
C4H8O2 1,3-Dioxane 115.0 113.2 1.8
C3H2O3 vinylene carbonate 108.8 108.3 0.5
HOCO+ Hydrocarboxyl cation 174.4 173.8 0.6
C2H4O4 Formic acid dimer 126.2 126.3 -0.1

B3LYP/CEP-31G* for aOCO

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


Differences greater than 1.8 are in the 1.8 bin. Differences less than -0.6 are in the -0.6 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 histogram chart histogram chart histogram chart histogram chart
-0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference C2H2O4 Oxalic Acid -0.5
Most positive difference C4H8O2 1,3-Dioxane 1.8