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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 |
|---|---|---|---|---|
| CH3CH2OH | Ethanol | 107.8 | 107.7 | 0.1 |
| CH3COCH3 | Acetone | 122.0 | 122.0 | 0.0 |
| CH3CHO | Acetaldehyde | 123.9 | 124.6 | -0.7 |
| C2H4O | Ethylene oxide | 59.2 | 59.3 | -0.1 |
| CF3COOH | trifluoroacetic acid | 126.8 | 123.8 | 3.0 |
| CF3COOH | trifluoroacetic acid | 111.1 | 109.5 | 1.6 |
| ClCOClCO | Oxalyl chloride | 124.2 | 124.4 | -0.2 |
| CH2CHCHO | Acrolein | 123.9 | 124.2 | -0.3 |
| CH2CHCHO | Acrolein | 124.3 | 124.2 | 0.1 |
| C3H6O | 2-Propen-1-ol | 111.8 | 108.0 | 3.8 |
| C2H2O2 | Ethanedial | 121.2 | 121.5 | -0.3 |
| C4H2O3 | Maleic Anhydride | 129.2 | 129.7 | -0.5 |
| C4H2O3 | Maleic Anhydride | 108.2 | 107.8 | 0.4 |
| CH3CH2CHO | Propanal | 124.4 | 124.6 | -0.2 |
| C4H8O2 | Ethyl acetate | 124.1 | 125.9 | -1.8 |
| C4H8O2 | Ethyl acetate | 111.9 | 110.6 | 1.3 |
| C4H8O2 | Ethyl acetate | 108.2 | 107.2 | 1.0 |
| C2H2O4 | Oxalic Acid | 123.1 | 121.4 | 1.7 |
| C3H3NO | Oxazole | 108.1 | 108.2 | -0.1 |
| C3O2 | Carbon suboxide | 179.2 | 180.0 | -0.8 |
| CH3OC2H5 | Ethane, methoxy- | 108.2 | 108.6 | -0.4 |
| C3H2O3 | vinylene carbonate | 108.7 | 108.8 | -0.1 |
MP2=FULL/TZVP for aCCO
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| -2 | -1.5 | -1 | -0.5 | 0 | 0.5 | 1 | 1.5 | 2 | 2.5 | 3 | 3.5 | 4 | ||||||||||||||||||||||||||||
| Angle difference calc. - exp. (degrees) | ||||||||||||||||||||||||||||||||||||||||
| Species | Name | Difference (degrees) | |
|---|---|---|---|
| Most negative difference | C4H8O2 | Ethyl acetate | -1.8 |
| Most positive difference | C3H6O | 2-Propen-1-ol | 3.8 |