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
CH2CHCHO Acrolein 120.3 120.4 -0.1
CH2CHCHO Acrolein 121.4 120.4 1.0
C2H5CN ethyl cyanide 111.7 112.0 -0.3
CH2CHCH3 Propene 124.8 124.6 0.2
C3O2 Carbon suboxide 178.3 180.0 -1.7
C3H4 cyclopropene 50.8 50.9 -0.1
C3H4 cyclopropene 64.6 64.5 0.0
C3 carbon trimer 180.0 180.0 0.0

QCISD(T)=FULL/cc-pVQZ for aCCC

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


Differences greater than 4 are in the 4 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 histogram chart
-2 -1.5 -1 -0.5 0 0.5 1 1.5 2 2.5 3 3.5 4
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference C3O2 Carbon suboxide -1.7
Most positive difference CH2CHCHO Acrolein 1.0