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 124.1 125.7 -1.6
C2H4O Ethylene oxide 114.7 114.8 -0.1
CH2CHCHO Acrolein 121.3 120.6 0.7
CH2CHCHO Acrolein 120.2 120.6 -0.4
C4H4O Furan 115.9 115.9 -0.0
CH3OCH3 Dimethyl ether 107.1 106.5 0.6
CH3OCH3 Dimethyl ether 111.0 111.4 -0.4
CH3CH2CHO Propanal 120.5 120.0 0.5
C4H8O2 Ethyl acetate 108.3 108.5 -0.2
HCO Formyl radical 119.5 125.8 -6.3

wB97X-D/6-31G for aHCO

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


Differences greater than 5 are in the 5 bin. Differences less than -7 are in the -7 bin.

histogram chart 10
histogram chart 8
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
-7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference HCO Formyl radical -6.3
Most positive difference CH2CHCHO Acrolein 0.7