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
C6H12O hexanal -3.8 124.8 -128.6
CH3COCH2CH3 2-Butanone 180.0 115.7 64.3
C5H10O 2H-Pyran, tetrahydro- 56.1 111.6 -55.5

MP2/Def2TZVPP for dCCCO

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


Differences greater than 100 are in the 100 bin. Differences less than -140 are in the -140 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
-140 -120 -100 -80 -60 -40 -20 0 20 40 60 80 100
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference C6H12O hexanal -128.6
Most positive difference CH3COCH2CH3 2-Butanone 64.3