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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 | 122.3 | -0.4 |
| HCOOH | Formic acid | 124.1 | 125.5 | -1.4 |
| CHONH2 | formamide | 122.5 | 123.2 | -0.7 |
| C2H4O | Ethylene oxide | 114.7 | 115.1 | -0.4 |
| HOCH2COOH | Hydroxyacetic acid | 110.6 | 111.4 | -0.8 |
| CH2CHCHO | Acrolein | 121.3 | 121.4 | -0.1 |
| CH2CHCHO | Acrolein | 120.2 | 121.4 | -1.2 |
| C3H6O | 2-Propen-1-ol | 113.3 | 50.3 | 63.0 |
| C3H6O | 2-Propen-1-ol | 107.3 | 57.0 | 50.3 |
| CH3OCHO | methyl formate | 109.3 | 125.1 | -15.8 |
| C3H8O2 | Methane, dimethoxy- | 110.3 | 106.9 | 3.4 |
| CH3OCH3 | Dimethyl ether | 107.1 | 107.4 | -0.3 |
| CH3OCH3 | Dimethyl ether | 111.0 | 111.6 | -0.6 |
| CH2C(CH3)OCH3 | 1-Propene, 2-methoxy- | 109.7 | 111.5 | -1.8 |
| CH3CH2CHO | Propanal | 120.5 | 120.2 | 0.3 |
| C4H8O2 | Ethyl acetate | 108.3 | 109.1 | -0.8 |
| CH2O2 | Dioxirane | 115.8 | 116.4 | -0.6 |
| C3H3NO | Oxazole | 117.1 | 116.0 | 1.1 |
| C3H3NO | Oxazole | 116.9 | 116.1 | 0.8 |
| CH3ONO | Methyl nitrite | 101.8 | 104.5 | -2.7 |
| CH3ONO | Methyl nitrite | 110.0 | 110.9 | -0.9 |
| HFCO | formyl fluoride | 127.3 | 127.9 | -0.6 |
| HCO | Formyl radical | 119.5 | 123.9 | -4.4 |
MP2/6-31G(2df,p) for aHCO
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| -20 | -10 | 0 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 | ||||||||||||||||||||||||||||
| Angle difference calc. - exp. (degrees) | ||||||||||||||||||||||||||||||||||||||||
| Species | Name | Difference (degrees) | |
|---|---|---|---|
| Most negative difference | CH3OCHO | methyl formate | -15.8 |
| Most positive difference | C3H6O | 2-Propen-1-ol | 63.0 |