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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 | 123.2 | -1.3 |
| C4H10O | Ethoxy ethane | 110.0 | 111.2 | -1.2 |
| HCOOH | Formic acid | 124.1 | 127.7 | -3.6 |
| C2H4O | Ethylene oxide | 114.7 | 116.6 | -1.9 |
| HOCH2COOH | Hydroxyacetic acid | 110.6 | 112.3 | -1.7 |
| CH2CHCHO | Acrolein | 121.3 | 122.5 | -1.2 |
| CH2CHCHO | Acrolein | 120.2 | 122.5 | -2.3 |
| C3H6O | 2-Propen-1-ol | 113.3 | 112.2 | 1.1 |
| C3H6O | 2-Propen-1-ol | 107.3 | 111.0 | -3.7 |
| CH3OCHO | methyl formate | 109.3 | 127.6 | -18.3 |
| C3H8O2 | Methane, dimethoxy- | 110.3 | 106.6 | 3.7 |
| C4H4O | Furan | 115.9 | 115.8 | 0.1 |
| CH3OCH3 | Dimethyl ether | 107.1 | 106.6 | 0.5 |
| CH3OCH3 | Dimethyl ether | 111.0 | 112.4 | -1.4 |
| CH2C(CH3)OCH3 | 1-Propene, 2-methoxy- | 109.7 | 112.7 | -3.0 |
| CH3CH2CHO | Propanal | 120.5 | 122.2 | -1.7 |
| C4H8O2 | Ethyl acetate | 108.3 | 110.2 | -1.9 |
| CH2O2 | Dioxirane | 115.8 | 117.6 | -1.7 |
| C3H3NO | Oxazole | 117.1 | 116.6 | 0.5 |
| C3H3NO | Oxazole | 116.9 | 116.5 | 0.4 |
| CH3OC2H5 | Ethane, methoxy- | 107.5 | 106.7 | 0.8 |
| CH3OC2H5 | Ethane, methoxy- | 111.1 | 112.5 | -1.4 |
| CH3OC2H5 | Ethane, methoxy- | 110.3 | 111.1 | -0.8 |
| CH3CH(CH3)ONO | Isopropyl nitrite | 109.5 | 108.2 | 1.3 |
| CH3NO3 | Methyl nitrate | 110.4 | 112.0 | -1.6 |
| CH3NO3 | Methyl nitrate | 103.4 | 104.4 | -1.0 |
| CH3ONO | Methyl nitrite | 101.8 | 105.3 | -3.5 |
| CH3ONO | Methyl nitrite | 110.0 | 111.5 | -1.5 |
| HFCO | formyl fluoride | 127.3 | 126.5 | 0.8 |
| HCO | Formyl radical | 119.5 | 121.6 | -2.1 |
B3LYP/STO-3G for aHCO
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| -20 | -18 | -16 | -14 | -12 | -10 | -8 | -6 | -4 | -2 | 0 | 2 | 4 | ||||||||||||||||||||||||||||
| Angle difference calc. - exp. (degrees) | ||||||||||||||||||||||||||||||||||||||||
| Species | Name | Difference (degrees) | |
|---|---|---|---|
| Most negative difference | CH3OCHO | methyl formate | -18.3 |
| Most positive difference | C3H8O2 | Methane, dimethoxy- | 3.7 |