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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 |
|---|---|---|---|---|
| CH3CH2O | Ethoxy radical | 110.8 | 110.5 | 0.3 |
| C2H3 | vinyl | 121.5 | 122.3 | -0.8 |
| C2H3 | vinyl | 137.3 | 136.1 | 1.2 |
| C2H | Ethynyl radical | 180.0 | 180.0 | 0.0 |
| C2H4F2 | 1,2-difluoroethane | 111.3 | 108.1 | 3.2 |
| C2H4F2 | 1,2-difluoroethane | 108.4 | 110.4 | -2.0 |
| C2H4F2 | 1,2-difluoroethane | 111.4 | 111.7 | -0.3 |
| C2H2O2 | Ethanedial | 112.2 | 116.4 | -4.2 |
| CH2CHF | Ethene, fluoro- | 129.2 | 127.4 | 1.8 |
| CH2CHF | Ethene, fluoro- | 119.0 | 121.8 | -2.8 |
| CH2CHF | Ethene, fluoro- | 120.9 | 119.7 | 1.2 |
ROMP2/6-31G for aHCC
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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 | C2H2O2 | Ethanedial | -4.2 |
| Most positive difference | C2H4F2 | 1,2-difluoroethane | 3.2 |