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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 |
|---|---|---|---|---|
| H2NCH2COOH | Glycine | 125.0 | 126.7 | -1.7 |
| H2NCH2COOH | Glycine | 111.5 | 109.9 | 1.6 |
| CH3CH2OH | Ethanol | 107.8 | 105.4 | 2.4 |
| CH3CHO | Acetaldehyde | 123.9 | 124.9 | -1.0 |
| C2H4O | Ethylene oxide | 59.2 | 60.6 | -1.4 |
| CF3COOH | trifluoroacetic acid | 126.8 | 126.2 | 0.6 |
| CF3COOH | trifluoroacetic acid | 111.1 | 107.5 | 3.6 |
| HOCH2COOH | Hydroxyacetic acid | 112.6 | 111.5 | 1.1 |
| HOCH2COOH | Hydroxyacetic acid | 124.2 | 124.0 | 0.2 |
| HOCH2COOH | Hydroxyacetic acid | 111.3 | 109.2 | 2.1 |
| ClCOClCO | Oxalyl chloride | 124.2 | 128.4 | -4.2 |
| CH2CHCHO | Acrolein | 123.9 | 124.8 | -0.9 |
| CH2CHCHO | Acrolein | 124.3 | 124.8 | -0.5 |
| CH2ClCHO | chloroacetaldehyde | 123.3 | 123.2 | 0.1 |
| CH3CH2CHO | Propanal | 124.4 | 123.9 | 0.5 |
| C4H8O2 | Ethyl acetate | 124.1 | 128.0 | -3.9 |
| C4H8O2 | Ethyl acetate | 111.9 | 109.1 | 2.8 |
| C4H8O2 | Ethyl acetate | 108.2 | 105.0 | 3.2 |
| C2H2O4 | Oxalic Acid | 123.1 | 121.9 | 1.2 |
| C3H3NO | Oxazole | 108.1 | 108.7 | -0.6 |
| C4H6O2 | 2,3-Butanedione | 120.3 | 119.8 | 0.5 |
| C3O2 | Carbon suboxide | 179.2 | 180.0 | -0.8 |
| CH3OC2H5 | Ethane, methoxy- | 108.2 | 105.9 | 2.3 |
| CH2CHOH | ethenol | 126.2 | 127.5 | -1.3 |
| CH3CH2O | Ethoxy radical | 114.4 | 112.5 | 1.9 |
MP4/3-21G for aCCO
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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 | ClCOClCO | Oxalyl chloride | -4.2 |
| Most positive difference | CF3COOH | trifluoroacetic acid | 3.6 |