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
CF3COOH trifluoroacetic acid 109.5 109.0 0.5
CF2CCl2 difluorodichloroethylene 124.0 124.0 -0.0
C3F6 hexafluoropropene 123.9 122.5 1.4
C3F6 hexafluoropropene 120.0 125.0 -5.0
C3F6 hexafluoropropene 110.3 110.9 -0.6
CHF2CHF2 1,1,2,2-tetrafluoroethane 108.5 107.8 0.7
CHF2CHF2 1,1,2,2-tetrafluoroethane 110.1 109.2 0.9
CH3CHFCH3 2-Fluoropropane 108.1 107.8 0.4
C2H4F2 1,2-difluoroethane 107.4 107.3 0.1
C2H4F2 1,2-difluoroethane 110.6 110.0 0.6
CH2CHCH2F Allyl Fluoride 111.7 109.7 2.0
CH2CHCH2F Allyl Fluoride 110.9 122.4 -11.5
C2H2ClF 1-chloro-1-fluoroethylene 121.8 125.9 -4.2

MP4=FULL/3-21G for aCCF

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


Differences greater than 12 are in the 12 bin. Differences less than -12 are in the -12 bin.

histogram chart 10
histogram chart 8
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 histogram chart
-12 -10 -8 -6 -4 -2 0 2 4 6 8 10 12
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference CH2CHCH2F Allyl Fluoride -11.5
Most positive difference CH2CHCH2F Allyl Fluoride 2.0