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- 108.9 108.8 0.1
CHF3 Methane, trifluoro- 110.3 110.4 -0.0

QCISD(T)=FULL/cc-pCVTZ for aHCF

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


Differences greater than 0.07 are in the 0.07 bin. Differences less than -0.05 are in the -0.05 bin.

histogram chart 10
histogram chart 8
histogram chart 6
histogram chart 4
histogram chart 2
histogram chart 0 histogram chart histogram chart
-0.05 -0.04 -0.03 -0.02 -0.01 0 0.01 0.02 0.03 0.04 0.05 0.06 0.07
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference CHF3 Methane, trifluoro- -0.0
Most positive difference CH2F2 Methane, difluoro- 0.1