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
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 122.1 123.6 -1.5
HCCF Fluoroacetylene 180.0 180.0 0.0
C2H2F2 Ethene, 1,2-difluoro-, (E)- 119.3 122.0 -2.7
C2HF3 Trifluoroethylene 120.0 122.5 -2.5
C2HF3 Trifluoroethylene 124.0 124.5 -0.5
C2HF3 Trifluoroethylene 123.1 122.8 0.3
C2H5F fluoroethane 109.7 111.3 -1.6

CCD/STO-3G for aCCF

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


Differences greater than 3 are in the 3 bin. Differences less than -3 are in the -3 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
-3 -2.5 -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 2.5 3
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference C2H2F2 Ethene, 1,2-difluoro-, (E)- -2.7
Most positive difference C2HF3 Trifluoroethylene 0.3