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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 | 116.5 | -0.4 |
| CH4 | Methane | 109.5 | 109.5 | -0.0 |
| CH3SH | Methanethiol | 110.3 | 108.8 | 1.5 |
| CH2Br2 | dibromomethane | 110.9 | 111.4 | -0.5 |
| CH2CHF | Ethene, fluoro- | 120.1 | 119.6 | 0.5 |
| CH2F2 | Methane, difluoro- | 112.8 | 113.1 | -0.3 |
| H2CS | Thioformaldehyde | 116.5 | 116.2 | 0.4 |
| CH3 | Methyl radical | 120.0 | 120.0 | 0.0 |
| CH2- | methylene anion | 103.0 | 103.0 | 0.0 |
| CH2 | Methylene | 135.5 | 133.7 | 1.8 |
| CH2 | Methylene | 102.4 | 133.7 | -31.3 |
| H2CSe | Selenoformaldehyde | 117.9 | 116.6 | 1.4 |
| CH2Cl | chloromethyl radical | 122.6 | 124.2 | -1.6 |
| CH2CS | Thioketene | 120.3 | 119.5 | 0.8 |
CCSD=FULL/aug-cc-pVQZ for aHCH
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| -35 | -30 | -25 | -20 | -15 | -10 | -5 | 0 | 5 | 10 | 15 | 20 | 25 | ||||||||||||||||||||||||||||
| Angle difference calc. - exp. (degrees) | ||||||||||||||||||||||||||||||||||||||||
| Species | Name | Difference (degrees) | |
|---|---|---|---|
| Most negative difference | CH2 | Methylene | -31.3 |
| Most positive difference | CH2 | Methylene | 1.8 |