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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 | |
| Species | Name | Experimental Angle | Calculated Angle | Difference |
|---|---|---|---|---|
| H2CO | Formaldehyde | 121.9 | 122.0 | -0.1 |
| 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 |
| HCOOH | Formic acid | 124.1 | 125.7 | -1.6 |
wB97X-D/6-31G for aHCO
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| -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 |