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
HCOOH Formic acid 124.1 125.3 -1.2
C2H4O Ethylene oxide 114.7 115.1 -0.4
CH2CHCHO Acrolein 121.3 121.1 0.2
CH2CHCHO Acrolein 120.2 121.1 -0.9
CH3OCHO methyl formate 109.3 125.0 -15.7
C4H4O Furan 115.9 116.0 -0.1
CH3OCH3 Dimethyl ether 107.1 107.5 -0.4
CH3OCH3 Dimethyl ether 111.0 111.5 -0.5
C4H8O2 Ethyl acetate 108.3 108.8 -0.5
CH2O2 Dioxirane 115.8 116.1 -0.3
CH3ONO Methyl nitrite 101.8 104.7 -2.9
CH3ONO Methyl nitrite 110.0 110.8 -0.8
HFCO formyl fluoride 127.3 127.9 -0.6
HCO Formyl radical 119.5 124.4 -4.9

B2PLYP=FULLultrafine/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 10
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 -15.7
Most positive difference CH2CHCHO Acrolein 0.2