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- 120.8 122.1 -1.3
CH3CHF2 Ethane, 1,1-difluoro- 110.7 109.7 1.0
C3F8 perfluoropropane 109.3 109.0 0.4
CF2CCl2 difluorodichloroethylene 124.0 123.9 0.1
C2HF3 Trifluoroethylene 123.1 122.6 0.5
C2HF3 Trifluoroethylene 124.0 124.9 -0.9
C2HF3 Trifluoroethylene 120.0 120.0 -0.0
C6F6 hexafluorobenzene 120.0 120.0 0.0
F2CCCF2 tetrafluoroallene 125.8 125.3 0.4
CH3COF Acetyl fluoride 110.3 110.1 0.2
C4F6 perfluorobutadiene 121.0 118.6 2.4
CH2CHCH2F Allyl Fluoride 111.7 111.0 0.7
CH2CHCH2F Allyl Fluoride 110.9 121.2 -10.3
C2H2F2 Ethene, 1,2-difluoro-, (E)- 119.3 119.9 -0.6
C2H2ClF 1-chloro-1-fluoroethylene 121.8 122.3 -0.6
HCCF Fluoroacetylene 180.0 180.0 0.0
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 122.1 122.2 -0.1
C2H4F2 1,2-difluoroethane 110.6 109.7 0.9
CH3CF3 Ethane, 1,1,1-trifluoro- 111.9 111.6 0.3
CH3CHFCH3 2-Fluoropropane 108.1 107.8 0.3
CHF2CHF2 1,1,2,2-tetrafluoroethane 110.1 108.8 1.3
CHF2CHF2 1,1,2,2-tetrafluoroethane 108.5 108.2 0.3
C2H5F fluoroethane 109.7 109.4 0.3
C3F6 hexafluoropropene 110.3 111.6 -1.3
C3F6 hexafluoropropene 120.0 127.3 -7.3
C3F6 hexafluoropropene 123.9 122.4 1.5
C2F6 hexafluoroethane 109.5 109.7 -0.2
CF3COOH trifluoroacetic acid 109.5 110.4 -0.9
CH2CF2 Ethene, 1,1-difluoro- 124.7 125.0 -0.3

MP2=FULL/6-31G** for aCCF

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


Differences greater than 12 are in the 12 bin. Differences less than -12 are in the -12 bin.

histogram chart 25
histogram chart 20 histogram chart
histogram chart 15 histogram chart
histogram chart 10 histogram chart
histogram chart 5 histogram chart
histogram chart 0 histogram chart histogram chart histogram chart histogram chart histogram chart
-12 -10 -8 -6 -4 -2 0 2 4 6 8 10 12
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference CH2CHCH2F Allyl Fluoride -10.3
Most positive difference C4F6 perfluorobutadiene 2.4