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
CH2F2 Methane, difluoro- 108.9 108.7 0.2
CHF3 Methane, trifluoro- 110.3 110.6 -0.3
C2H4F2 1,2-difluoroethane 108.2 109.9 -1.7
C2H4F2 1,2-difluoroethane 109.6 108.1 1.5
C2H4F2 1,2-difluoroethane 107.8 108.2 -0.4

MP4=FULL/Sadlej_pVTZ for aHCF

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 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 C2H4F2 1,2-difluoroethane -1.7
Most positive difference C2H4F2 1,2-difluoroethane 1.5