| |
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 | 122.4 | -0.5 |
| HCOOH | Formic acid | 124.1 | 125.6 | -1.5 |
| C2H4O | Ethylene oxide | 114.7 | 115.5 | -0.8 |
| HOCH2COOH | Hydroxyacetic acid | 110.6 | 111.7 | -1.1 |
| CH2CHCHO | Acrolein | 121.3 | 121.6 | -0.3 |
| CH2CHCHO | Acrolein | 120.2 | 121.6 | -1.4 |
| C3H6O | 2-Propen-1-ol | 113.3 | 112.1 | 1.2 |
| C3H6O | 2-Propen-1-ol | 107.3 | 105.4 | 1.9 |
| CH3CH2CHO | Propanal | 120.5 | 120.9 | -0.4 |
| C4H8O2 | Ethyl acetate | 108.3 | 109.2 | -0.9 |
| C3H3NO | Oxazole | 117.1 | 116.5 | 0.6 |
| C3H3NO | Oxazole | 116.9 | 116.7 | 0.2 |
| CH3OC2H5 | Ethane, methoxy- | 107.5 | 107.5 | -0.0 |
| CH3OC2H5 | Ethane, methoxy- | 111.1 | 111.8 | -0.7 |
| CH3OC2H5 | Ethane, methoxy- | 110.3 | 110.3 | 0.0 |
| HCO | Formyl radical | 119.5 | 124.0 | -4.5 |
QCISD(T)/cc-pVDZ for aHCO
| 10 | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||||||||||||||
| 8 | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||||||||||||||
| 6 | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||||||||||||
| 4 | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||||||||||||||||
| 2 | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||||||||||||||||
| 0 | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||||||||||||||||
| -5 | -4 | -3 | -2 | -1 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | ||||||||||||||||||||||||||||
| Angle difference calc. - exp. (degrees) | ||||||||||||||||||||||||||||||||||||||||
| Species | Name | Difference (degrees) | |
|---|---|---|---|
| Most negative difference | HCO | Formyl radical | -4.5 |
| Most positive difference | C3H6O | 2-Propen-1-ol | 1.9 |