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
H2CO Formaldehyde 121.9 121.9 -0.0
HCOOH Formic acid 124.1 124.9 -0.8
C2H4O Ethylene oxide 114.7 115.2 -0.5
CH2CHCHO Acrolein 121.3 121.1 0.2
CH2CHCHO Acrolein 120.2 121.1 -0.9
CH3CH2CHO Propanal 120.5 120.3 0.2
HCO Formyl radical 119.5 125.3 -5.8

CISD/cc-pVTZ for aHCO

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


Differences greater than 6 are in the 6 bin. Differences less than -6 are in the -6 bin.

histogram chart 10
histogram chart 8
histogram chart 6
histogram chart 4
histogram chart 2 histogram chart histogram chart
histogram chart 0 histogram chart histogram chart histogram chart
-6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference HCO Formyl radical -5.8
Most positive difference CH3CH2CHO Propanal 0.2