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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 | 121.7 | 0.2 |
| HCOOH | Formic acid | 124.1 | 125.2 | -1.1 |
| CHONH2 | formamide | 122.5 | 122.8 | -0.3 |
| C2H4O | Ethylene oxide | 114.7 | 114.7 | 0.0 |
| HOCH2COOH | Hydroxyacetic acid | 110.6 | 110.7 | -0.1 |
| CH2CHCHO | Acrolein | 121.3 | 120.8 | 0.5 |
| CH2CHCHO | Acrolein | 120.2 | 120.8 | -0.6 |
| CH3CH2CHO | Propanal | 120.5 | 120.1 | 0.4 |
| CH3OC2H5 | Ethane, methoxy- | 107.5 | 107.2 | 0.3 |
| CH3OC2H5 | Ethane, methoxy- | 111.1 | 111.1 | -0.1 |
| CH3OC2H5 | Ethane, methoxy- | 110.3 | 109.7 | 0.7 |
| HCO | Formyl radical | 119.5 | 124.1 | -4.6 |
CCSD(T)/aug-cc-pVDZ for aHCO
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| -5 | -4.5 | -4 | -3.5 | -3 | -2.5 | -2 | -1.5 | -1 | -0.5 | 0 | 0.5 | 1 | ||||||||||||||||||||||||||||
| Angle difference calc. - exp. (degrees) | ||||||||||||||||||||||||||||||||||||||||
| Species | Name | Difference (degrees) | |
|---|---|---|---|
| Most negative difference | HCO | Formyl radical | -4.6 |
| Most positive difference | CH3OC2H5 | Ethane, methoxy- | 0.7 |