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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 |
|---|---|---|---|---|
| HCOOH | Formic acid | 124.9 | 125.2 | -0.3 |
| CH3COOH | Acetic acid | 123.0 | 122.2 | 0.8 |
| CH3OCHO | methyl formate | 125.9 | 126.1 | -0.2 |
| C4H2O3 | Maleic Anhydride | 122.6 | 122.4 | 0.2 |
| C3H6O3 | 1,3,5-Trioxane | 112.0 | 111.5 | 0.5 |
| CO2 | Carbon dioxide | 180.0 | 180.0 | 0.0 |
| C4H8O2 | Ethyl acetate | 124.0 | 123.6 | 0.4 |
| C2H2O4 | Oxalic Acid | 125.0 | 124.8 | 0.2 |
| CH2O2 | Dioxirane | 66.2 | 66.3 | -0.1 |
| C4H8O2 | 1,3-Dioxane | 115.0 | 113.1 | 1.9 |
| C3H2O3 | vinylene carbonate | 108.8 | 107.6 | 1.2 |
| HOCO+ | Hydrocarboxyl cation | 174.4 | 172.9 | 1.4 |
| C2H4O4 | Formic acid dimer | 126.2 | 126.3 | -0.1 |
BLYP/6-31+G** for aOCO
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| -0.4 | -0.2 | 0 | 0.2 | 0.4 | 0.6 | 0.8 | 1 | 1.2 | 1.4 | 1.6 | 1.8 | 2 | ||||||||||||||||||||||||||||
| Angle difference calc. - exp. (degrees) | ||||||||||||||||||||||||||||||||||||||||
| Species | Name | Difference (degrees) | |
|---|---|---|---|
| Most negative difference | HCOOH | Formic acid | -0.3 |
| Most positive difference | C4H8O2 | 1,3-Dioxane | 1.9 |