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 121.9 121.7 0.2
HOCH2COOH Hydroxyacetic acid 110.6 110.7 -0.1
C3H6O 2-Propen-1-ol 113.3 111.0 2.3
C3H6O 2-Propen-1-ol 107.3 110.0 -2.7
CH3CH2CHO Propanal 120.5 120.1 0.4
C4H8O2 Ethyl acetate 108.3 108.6 -0.3
C3H3NO Oxazole 117.1 116.5 0.6
C3H3NO Oxazole 116.9 116.7 0.2
CH3OC2H5 Ethane, methoxy- 107.5 107.2 0.3
CH3OC2H5 Ethane, methoxy- 111.1 111.1 -0.0
CH3OC2H5 Ethane, methoxy- 110.3 109.6 0.8
HFCO formyl fluoride 127.3 128.6 -1.3
HCO Formyl radical 119.5 123.8 -4.3
CH3O Methoxy radical 111.3 104.7 6.6
CH3ONO Methyl nitrite 110.0 110.5 -0.6
CH3ONO Methyl nitrite 101.8 104.1 -2.3
CH2O2 Dioxirane 115.8 115.7 0.1
CH3OCH3 Dimethyl ether 111.0 111.1 -0.1
CH3OCH3 Dimethyl ether 107.1 107.2 -0.1
CH3OCHO methyl formate 109.3 125.1 -15.8
CH2CHCHO Acrolein 120.2 120.8 -0.6
CH2CHCHO Acrolein 121.3 120.8 0.5
C2H4O Ethylene oxide 114.7 114.5 0.2
CHONH2 formamide 122.5 122.9 -0.4
HCOOH Formic acid 124.1 125.3 -1.2

MP2/aug-cc-pVDZ 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 18
histogram chart 16 histogram chart
histogram chart 14 histogram chart
histogram chart 12 histogram chart
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
histogram chart 0 histogram chart histogram chart 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 -15.8
Most positive difference CH3O Methoxy radical 6.6