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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 |
|---|---|---|---|---|
| CH3Br | methyl bromide | 111.2 | 111.1 | 0.0 |
| CH2CHF | Ethene, fluoro- | 120.1 | 118.6 | 1.5 |
| C2H4F2 | 1,2-difluoroethane | 110.0 | 109.2 | 0.8 |
| CH3CH2O | Ethoxy radical | 108.1 | 110.4 | -2.3 |
| CH3CH2O | Ethoxy radical | 106.5 | 107.3 | -0.8 |
| CH3 | Methyl radical | 120.0 | 120.0 | 0.0 |
| CH2 | Methylene | 135.5 | 129.8 | 5.7 |
| CH2 | Methylene | 102.4 | 129.8 | -27.5 |
| CH2Cl | chloromethyl radical | 122.6 | 123.3 | -0.7 |
ROMP2/3-21G for aHCH
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| -30 | -25 | -20 | -15 | -10 | -5 | 0 | 5 | 10 | 15 | 20 | 25 | 30 | ||||||||||||||||||||||||||||
| Angle difference calc. - exp. (degrees) | ||||||||||||||||||||||||||||||||||||||||
| Species | Name | Difference (degrees) | |
|---|---|---|---|
| Most negative difference | CH2 | Methylene | -27.5 |
| Most positive difference | CH2 | Methylene | 5.7 |