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
CH2CHF Ethene, fluoro- 110.0 112.4 -2.4
CH2F2 Methane, difluoro- 108.9 109.0 -0.1
CH3CHF2 Ethane, 1,1-difluoro- 108.5 108.3 0.2
CHF2Cl difluorochloromethane 109.0 110.3 -1.4
CHF3 Methane, trifluoro- 110.3 110.6 -0.3
C2H5F fluoroethane 106.1 108.3 -2.2
C2HF3 Trifluoroethylene 116.0 116.6 -0.6
CH2FI fluoroiodomethane 109.7 110.1 -0.4
CH3F Methyl fluoride 108.7 109.4 -0.7
CHFClBr fluorochlorobromomethane 108.8 110.1 -1.3
C2H4F2 1,2-difluoroethane 108.2 109.6 -1.4
CH2CHCH2F Allyl Fluoride 107.4 108.4 -1.0
HFCO formyl fluoride 109.9 110.0 -0.1

HF/3-21G* for aHCF

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


Differences greater than 3.5 are in the 3.5 bin. Differences less than -2.5 are in the -2.5 bin.

histogram chart 10
histogram chart 8
histogram chart 6
histogram chart 4
histogram chart 2 histogram chart histogram chart histogram chart
histogram chart 0 histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart
-2.5 -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 2.5 3 3.5
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference CH2CHF Ethene, fluoro- -2.4
Most positive difference CH3CHF2 Ethane, 1,1-difluoro- 0.2