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 121.9 122.8 -0.9
HCOOH Formic acid 124.1 126.6 -2.5
C2H4O Ethylene oxide 114.7 115.1 -0.4
HOCH2COOH Hydroxyacetic acid 110.6 111.3 -0.7
CH2CHCHO Acrolein 121.3 121.5 -0.2
CH2CHCHO Acrolein 120.2 121.5 -1.3
C3H6O 2-Propen-1-ol 113.3 112.3 1.0
C3H6O 2-Propen-1-ol 107.3 111.1 -3.8
CH3OCHO methyl formate 109.3 146.1 -36.8
C4H4O Furan 115.9 115.6 0.3
CH3OCH3 Dimethyl ether 107.1 106.1 1.0
CH3OCH3 Dimethyl ether 111.0 111.7 -0.7
CH3CH2CHO Propanal 120.5 121.5 -1.0
C4H8O2 Ethyl acetate 108.3 109.4 -1.1
C3H3NO Oxazole 117.1 118.2 -1.1
C3H3NO Oxazole 116.9 117.6 -0.7
CH3OC2H5 Ethane, methoxy- 107.5 106.1 1.4
CH3OC2H5 Ethane, methoxy- 111.1 111.7 -0.7
CH3OC2H5 Ethane, methoxy- 110.3 110.6 -0.3
CH3NO3 Methyl nitrate 110.4 110.9 -0.5
CH3NO3 Methyl nitrate 103.4 102.2 1.2
CH3ONO Methyl nitrite 101.8 103.6 -1.8
CH3ONO Methyl nitrite 110.0 110.9 -1.0
HFCO formyl fluoride 127.3 127.7 -0.4
CH3O Methoxy radical 111.3 105.3 6.0
HCO Formyl radical 119.5 126.6 -7.1
CH2O2 Dioxirane 115.8 116.0 -0.2
CHONH2 formamide 122.5 123.2 -0.7
C4H10O Ethoxy ethane 110.0 110.6 -0.6

QCISD/3-21G for aHCO

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


Differences greater than 20 are in the 20 bin. Differences less than -40 are in the -40 bin.

histogram chart 25
histogram chart 20 histogram chart
histogram chart 15 histogram chart
histogram chart 10 histogram chart
histogram chart 5 histogram chart
histogram chart 0 histogram chart histogram chart histogram chart histogram chart
-40 -35 -30 -25 -20 -15 -10 -5 0 5 10 15 20
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference CH3OCHO methyl formate -36.8
Most positive difference CH3O Methoxy radical 6.0