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- 108.5 109.4 -1.0
CH3CHF2 Ethane, 1,1-difluoro- 107.4 108.1 -0.7
CHF3 Methane, trifluoro- 108.6 108.3 0.2
CF3Br Bromotrifluoromethane 108.8 109.1 -0.3
CF2Cl2 difluorodichloromethane 106.2 110.8 -4.6
CF3Cl Methane, chlorotrifluoro- 108.6 110.1 -1.5
CF2CCl2 difluorodichloroethylene 112.1 112.0 0.1
CF2O Carbonic difluoride 108.0 107.5 0.5
CF3OF Trifluoromethylhypofluorite 109.4 110.3 -0.9
F2CCCF2 tetrafluoroallene 108.5 107.9 0.6
CF2 Difluoromethylene 104.9 103.5 1.4

TPSSh/3-21G for aFCF

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


Differences greater than 1 are in the 1 bin. Differences less than -5 are in the -5 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 histogram chart histogram chart histogram chart
-5 -4.5 -4 -3.5 -3 -2.5 -2 -1.5 -1 -0.5 0 0.5 1
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference CF2Cl2 difluorodichloromethane -4.6
Most positive difference CF2 Difluoromethylene 1.4