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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 | 125.1 | -0.2 |
| C3H6O3 | 1,3,5-Trioxane | 112.0 | 112.0 | -0.0 |
| C4H8O2 | Ethyl acetate | 124.0 | 122.1 | 1.9 |
| C2H2O4 | Oxalic Acid | 125.0 | 129.2 | -4.2 |
| C4H8O2 | 1,3-Dioxane | 115.0 | 113.6 | 1.4 |
| HOCO+ | Hydrocarboxyl cation | 174.4 | 173.8 | 0.6 |
| C2H4O4 | Formic acid dimer | 126.2 | 127.4 | -1.2 |
LSDA/3-21G for aOCO
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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 | C2H2O4 | Oxalic Acid | -4.2 |
| Most positive difference | C4H8O2 | Ethyl acetate | 1.9 |