return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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Compare Angles

18 10 26 16 25

Click on entry for experimental details.
Species Name Experimental Angle Calculated Angle Difference
H2CO Formaldehyde 121.9 123.2 -1.3
HCOOH Formic acid 124.1 127.6 -3.5
C2H4O Ethylene oxide 114.7 116.7 -2.0
CH2CHCHO Acrolein 121.3 122.5 -1.2
CH2CHCHO Acrolein 120.2 122.5 -2.3
C3H6O 2-Propen-1-ol 113.3 112.4 0.9
C3H6O 2-Propen-1-ol 107.3 111.2 -3.9
C4H4O Furan 115.9 115.9 0.0
CH3OCH3 Dimethyl ether 107.1 106.9 0.2
CH3OCH3 Dimethyl ether 111.0 112.4 -1.4
CH3CH2CHO Propanal 120.5 122.2 -1.7
C4H8O2 Ethyl acetate 108.3 110.3 -2.0
C3H3NO Oxazole 117.1 116.5 0.6
C3H3NO Oxazole 116.9 116.4 0.5
CH3OC2H5 Ethane, methoxy- 107.5 106.9 0.5
CH3OC2H5 Ethane, methoxy- 111.1 112.5 -1.4
CH3OC2H5 Ethane, methoxy- 110.3 111.1 -0.8
HCO Formyl radical 119.5 122.2 -2.7

PBE1PBE/STO-3G for aHCO

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


Differences greater than 2 are in the 2 bin. Differences less than -4 are in the -4 bin.

histogram chart 10
histogram chart 8
histogram chart 6
histogram chart 4
histogram chart 2 histogram chart histogram chart
histogram chart 0 histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart
-4 -3.5 -3 -2.5 -2 -1.5 -1 -0.5 0 0.5 1 1.5 2
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference C3H6O 2-Propen-1-ol -3.9
Most positive difference C3H6O 2-Propen-1-ol 0.9