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 124.1 125.4 -1.3
CHONH2 formamide 122.5 123.0 -0.5
C2H4O Ethylene oxide 114.7 115.1 -0.4
CH2CHCHO Acrolein 121.3 121.0 0.3
CH2CHCHO Acrolein 120.2 121.0 -0.8
CH3OCHO methyl formate 109.3 125.2 -15.9
C4H4O Furan 115.9 115.7 0.2
CH3OCH3 Dimethyl ether 107.1 107.2 -0.1
CH3OCH3 Dimethyl ether 111.0 111.4 -0.4
C4H8O2 Ethyl acetate 108.3 108.5 -0.2
CH2O2 Dioxirane 115.8 116.2 -0.3
CH3ONO Methyl nitrite 101.8 105.0 -3.2
CH3ONO Methyl nitrite 110.0 110.8 -0.8
HFCO formyl fluoride 127.3 128.3 -1.0
HCO Formyl radical 119.5 123.9 -4.4

B97D3/daug-cc-pVTZ for aHCO

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


Differences greater than 8 are in the 8 bin. Differences less than -16 are in the -16 bin.

histogram chart 12
histogram chart 10 histogram chart
histogram chart 8 histogram chart
histogram chart 6 histogram chart
histogram chart 4 histogram chart
histogram chart 2 histogram chart
histogram chart 0 histogram chart histogram chart histogram chart histogram chart
-16 -14 -12 -10 -8 -6 -4 -2 0 2 4 6 8
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference CH3OCHO methyl formate -15.9
Most positive difference CH2CHCHO Acrolein 0.3