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
CH3Br methyl bromide 111.2 110.6 0.6
C2H4F2 1,2-difluoroethane 110.0 109.8 0.2
CH3CH2O Ethoxy radical 108.1 111.2 -3.1
CH3CH2O Ethoxy radical 106.5 105.2 1.3
CH3 Methyl radical 120.0 120.0 0.0
CH2 Methylene 135.5 131.9 3.6
CH2 Methylene 102.4 131.9 -29.5
CH2Cl chloromethyl radical 122.6 124.4 -1.8
CH2CHF Ethene, fluoro- 120.1 119.5 0.6

ROMP2/6-311G* for aHCH

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


Differences greater than 30 are in the 30 bin. Differences less than -30 are in the -30 bin.

histogram chart 10
histogram chart 8
histogram chart 6
histogram chart 4 histogram chart
histogram chart 2 histogram chart
histogram chart 0 histogram chart histogram chart histogram chart histogram chart
-30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference CH2 Methylene -29.5
Most positive difference CH2 Methylene 3.6