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 180.0 107.6 72.4
C5H10O 2-Butanone, 3-methyl- 140.0 120.9 19.1

B3LYP/6-31+G** for dOCCH

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


Differences greater than 110 are in the 110 bin. Differences less than -10 are in the -10 bin.

histogram chart 10
histogram chart 8
histogram chart 6
histogram chart 4
histogram chart 2
histogram chart 0 histogram chart histogram chart
-10 0 10 20 30 40 50 60 70 80 90 100 110
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference C5H10O 2-Butanone, 3-methyl- 19.1
Most positive difference C4H8O2 Ethyl acetate 72.4