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 121.9 122.1 -0.2
HCOOH Formic acid 124.1 126.0 -1.9
C3H6O 2-Propen-1-ol 113.3 111.2 2.1
C3H6O 2-Propen-1-ol 107.3 109.7 -2.4
C3H3NO Oxazole 117.1 117.9 -0.8
C3H3NO Oxazole 116.9 117.2 -0.3
CH3OCH3 Dimethyl ether 111.0 111.4 -0.3
CH3OCH3 Dimethyl ether 107.1 106.0 1.2
C4H4O Furan 115.9 115.4 0.5
HCO Formyl radical 119.5 125.4 -5.9
CH3OC2H5 Ethane, methoxy- 110.3 109.7 0.6
CH3OC2H5 Ethane, methoxy- 111.1 111.4 -0.3
CH3OC2H5 Ethane, methoxy- 107.5 106.0 1.5
C4H8O2 Ethyl acetate 108.3 108.1 0.2
CH3CH2CHO Propanal 120.5 120.1 0.4
CH2CHCHO Acrolein 120.2 120.6 -0.4
CH2CHCHO Acrolein 121.3 120.6 0.7
C2H4O Ethylene oxide 114.7 114.6 0.1

TPSSh/6-31G 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
histogram chart 6 histogram chart
histogram chart 4 histogram chart
histogram chart 2 histogram chart histogram chart
histogram chart 0 histogram chart histogram chart histogram chart 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 -5.9
Most positive difference C3H6O 2-Propen-1-ol 2.1