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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 | 116.1 | 116.1 | 0.0 |
| CH4 | Methane | 109.5 | 109.5 | -0.0 |
| C2H6 | Ethane | 108.0 | 107.2 | 0.8 |
| CH2BrCl | Methane, bromochloro- | 109.5 | 111.7 | -2.2 |
| C3H8 | Propane | 106.1 | 105.7 | 0.4 |
| C3H8 | Propane | 107.3 | 107.6 | -0.3 |
| C3H8 | Propane | 108.1 | 107.1 | 1.0 |
| CH2FCH2CH3 | 1-Fluoropropane | 109.0 | 108.1 | 0.9 |
| CH2FCH2CH3 | 1-Fluoropropane | 107.3 | 106.8 | 0.5 |
| CH2FCH2CH3 | 1-Fluoropropane | 107.7 | 107.5 | 0.2 |
| CH2FCH2CH3 | 1-Fluoropropane | 108.5 | 107.4 | 1.1 |
| C5H6 | Propellane | 116.0 | 115.7 | 0.3 |
| CH2CHCH2CH3 | 1-Butene | 105.7 | 106.4 | -0.7 |
| C3H6 | Cyclopropane | 114.5 | 114.1 | 0.4 |
| CH3CN | Acetonitrile | 109.5 | 108.4 | 1.1 |
| C2H4 | Ethylene | 117.6 | 116.6 | 1.0 |
LSDA/6-311+G(3df,2p) for aHCH
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| -2.5 | -2 | -1.5 | -1 | -0.5 | 0 | 0.5 | 1 | 1.5 | 2 | 2.5 | 3 | 3.5 | ||||||||||||||||||||||||||||
| Angle difference calc. - exp. (degrees) | ||||||||||||||||||||||||||||||||||||||||
| Species | Name | Difference (degrees) | |
|---|---|---|---|
| Most negative difference | CH2BrCl | Methane, bromochloro- | -2.2 |
| Most positive difference | CH2FCH2CH3 | 1-Fluoropropane | 1.1 |