return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Home > Geometry > Experimental > Same bond/angle many molecules OR Comparisons > Geometry > Bonds, angles > Same bond/angle many molecules

Compare Angles

18 10 26 16 25

Click on entry for experimental details.
Species Name Experimental Angle Calculated Angle Difference
H2CO Formaldehyde 121.9 122.0 -0.1
HCOOH Formic acid 124.1 125.4 -1.3
CH3OCH3 Dimethyl ether 107.1 107.1 0.0
CH3OCH3 Dimethyl ether 111.0 111.4 -0.3
HCO Formyl radical 119.5 123.6 -4.1
C4H8O2 Ethyl acetate 108.3 108.4 -0.1
CH3CH2CHO Propanal 120.5 120.3 0.2
C4H4O Furan 115.9 115.8 0.1
CH2CHCHO Acrolein 120.2 121.0 -0.8
CH2CHCHO Acrolein 121.3 121.0 0.3
C2H4O Ethylene oxide 114.7 114.9 -0.2

B97D3/aug-cc-pVDZ for aHCO

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


Differences greater than 1.5 are in the 1.5 bin. Differences less than -4.5 are in the -4.5 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 histogram chart histogram chart histogram chart histogram chart
-4.5 -4 -3.5 -3 -2.5 -2 -1.5 -1 -0.5 0 0.5 1 1.5
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference HCO Formyl radical -4.1
Most positive difference CH2CHCHO Acrolein 0.3