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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 |
|---|---|---|---|---|
| CH4 | Methane | 109.5 | 109.5 | -0.0 |
| C2H6 | Ethane | 108.0 | 107.7 | 0.3 |
| C2H4 | Ethylene | 117.6 | 116.9 | 0.7 |
| CH3Cl | Methyl chloride | 110.8 | 110.1 | 0.6 |
| CH3SH | Methanethiol | 110.3 | 108.6 | 1.7 |
| C2H4O | Ethylene oxide | 116.8 | 115.6 | 1.2 |
| CH2CCH2 | allene | 118.2 | 118.0 | 0.2 |
| H2CS | Thioformaldehyde | 116.5 | 115.9 | 0.7 |
| CH2 | Methylene | 135.5 | 132.0 | 3.5 |
| CH2 | Methylene | 102.4 | 132.0 | -29.6 |
CCD/cc-pCVDZ 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 | -29.6 |
| Most positive difference | CH2 | Methylene | 3.5 |