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
CH3COCH3 Acetone 116.0 116.2 -0.2
C6H6 Benzene 120.0 120.0 -0.0
C3H8 Propane 112.4 111.9 0.5
C3H6 Cyclopropane 60.0 60.0 0.0
CH3CHClCH3 Propane, 2-chloro- 112.7 112.8 -0.1
CH2CHCHO Acrolein 120.3 119.9 0.4
CH2CHCHO Acrolein 121.4 119.9 1.5
C2H5CN ethyl cyanide 111.7 111.7 0.0
CH2CHCH3 Propene 124.8 124.5 0.3
CH3CH2CHO Propanal 113.8 113.7 0.1
C8H8 cubane 90.0 90.0 0.0
C3O2 Carbon suboxide 178.3 180.0 -1.7
CH2CHCH2F Allyl Fluoride 124.6 124.4 0.1
CH2CHCH2F Allyl Fluoride 121.6 111.4 10.2
C3H4 cyclopropene 50.8 51.0 -0.2
C3H4 cyclopropene 64.6 64.5 0.1

MP2=FULL/daug-cc-pVTZ for aCCC

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


Differences greater than 10 are in the 10 bin. Differences less than -2 are in the -2 bin.

histogram chart 12
histogram chart 10 histogram chart
histogram chart 8 histogram chart
histogram chart 6 histogram chart
histogram chart 4 histogram chart
histogram chart 2 histogram chart
histogram chart 0 histogram chart histogram chart histogram chart histogram chart
-2 -1 0 1 2 3 4 5 6 7 8 9 10
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference C3O2 Carbon suboxide -1.7
Most positive difference CH2CHCH2F Allyl Fluoride 10.2