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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 | 121.9 | -0.0 |
| HCOOH | Formic acid | 124.1 | 125.9 | -1.8 |
| CHONH2 | formamide | 122.5 | 122.1 | 0.4 |
| C2H4O | Ethylene oxide | 114.7 | 114.4 | 0.3 |
| HOCH2COOH | Hydroxyacetic acid | 110.6 | 109.7 | 0.9 |
| CH2CHCHO | Acrolein | 121.3 | 120.4 | 0.9 |
| CH2CHCHO | Acrolein | 120.2 | 120.4 | -0.2 |
| C3H6O | 2-Propen-1-ol | 113.3 | 110.8 | 2.5 |
| C3H6O | 2-Propen-1-ol | 107.3 | 109.9 | -2.6 |
| CH3OCH3 | Dimethyl ether | 107.1 | 105.7 | 1.4 |
| CH3OCH3 | Dimethyl ether | 111.0 | 111.1 | -0.1 |
| CH3CH2CHO | Propanal | 120.5 | 119.8 | 0.7 |
| C4H8O2 | Ethyl acetate | 108.3 | 108.4 | -0.1 |
| CH2O2 | Dioxirane | 115.8 | 115.4 | 0.4 |
| C3H3NO | Oxazole | 117.1 | 118.1 | -1.0 |
| C3H3NO | Oxazole | 116.9 | 117.4 | -0.5 |
| CH3OC2H5 | Ethane, methoxy- | 107.5 | 105.7 | 1.7 |
| CH3OC2H5 | Ethane, methoxy- | 111.1 | 111.1 | -0.1 |
| CH3OC2H5 | Ethane, methoxy- | 110.3 | 109.6 | 0.7 |
| CH3ONO | Methyl nitrite | 101.8 | 103.3 | -1.5 |
| CH3ONO | Methyl nitrite | 110.0 | 110.6 | -0.7 |
| HFCO | formyl fluoride | 127.3 | 128.9 | -1.6 |
| HCO | Formyl radical | 119.5 | 124.3 | -4.8 |
MP2=FULL/6-31G for aHCO
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| -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 | -4.8 |
| Most positive difference | C3H6O | 2-Propen-1-ol | 2.5 |