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
CH4 Methane 109.5 109.5 -0.0
CH3NH2 methyl amine 108.4 108.0 0.4
H2CS Thioformaldehyde 116.5 116.4 0.2
CH3 Methyl radical 120.0 120.0 -0.0
CH2 Methylene 135.5 134.1 1.4
CH2 Methylene 102.4 134.1 -31.7

QCISD(TQ)=FULL/cc-pVTZ for aHCH

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


Differences greater than 25 are in the 25 bin. Differences less than -35 are in the -35 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
-35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 25
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference CH2 Methylene -31.7
Most positive difference CH2 Methylene 1.4