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
C4H8O2 Ethyl acetate 115.7 108.7 7.0
C4H8O2 1,3-Dioxane 110.9 105.3 5.6
CH3OC2H5 Ethane, methoxy- 111.7 105.9 5.8
C4H10O Propane, 2-methoxy- 112.5 109.3 3.2
C5H12O Butane, 1-methoxy- 118.9 105.9 13.0

LSDA/STO-3G for aCOC

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


Differences greater than 22 are in the 22 bin. Differences less than -2 are in the -2 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
-2 0 2 4 6 8 10 12 14 16 18 20 22
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference C4H10O Propane, 2-methoxy- 3.2
Most positive difference C5H12O Butane, 1-methoxy- 13.0