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 121.9 122.1 -0.2
HCOOH Formic acid 124.1 125.6 -1.5
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
C4H4O Furan 115.9 115.7 0.2
CH3OCH3 Dimethyl ether 107.1 107.1 0.1
CH3OCH3 Dimethyl ether 111.0 111.5 -0.5
CH3CH2CHO Propanal 120.5 120.4 0.1
C4H8O2 Ethyl acetate 108.3 108.5 -0.2
HCO Formyl radical 119.5 123.8 -4.3

BLYP/Def2TZVPP 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 -4.3
Most positive difference CH2CHCHO Acrolein 0.3