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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 |
|---|---|---|---|---|
| HFCO | formyl fluoride | 127.3 | 126.9 | 0.4 |
| HCO | Formyl radical | 119.5 | 121.4 | -1.9 |
| CH3O | Methoxy radical | 111.3 | 106.8 | 4.5 |
| CH3ONO | Methyl nitrite | 110.0 | 109.7 | 0.2 |
| CH3ONO | Methyl nitrite | 101.8 | 109.7 | -7.9 |
| CH3NO3 | Methyl nitrate | 103.4 | 104.8 | -1.4 |
| CH3NO3 | Methyl nitrate | 110.4 | 112.1 | -1.7 |
| CH3CH(CH3)ONO | Isopropyl nitrite | 109.5 | 107.1 | 2.4 |
| CH3OC2H5 | Ethane, methoxy- | 110.3 | 111.1 | -0.8 |
| CH3OC2H5 | Ethane, methoxy- | 111.1 | 112.5 | -1.5 |
| CH3OC2H5 | Ethane, methoxy- | 107.5 | 107.0 | 0.5 |
| C4H8O2 | Ethyl acetate | 108.3 | 109.9 | -1.6 |
| HCOOH | Formic acid | 124.1 | 128.5 | -4.4 |
LSDA/STO-3G for aHCO
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| -8 | -6 | -4 | -2 | 0 | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | ||||||||||||||||||||||||||||
| Angle difference calc. - exp. (degrees) | ||||||||||||||||||||||||||||||||||||||||
| Species | Name | Difference (degrees) | |
|---|---|---|---|
| Most negative difference | CH3ONO | Methyl nitrite | -7.9 |
| Most positive difference | CH3O | Methoxy radical | 4.5 |