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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 |
|---|---|---|---|---|
| NH2CONH2 | Urea | 122.6 | 123.6 | -0.9 |
| CH3CONH2 | Acetamide | 122.0 | 122.7 | -0.7 |
| C3H7NO | dimethylformamide | 123.5 | 125.9 | -2.4 |
| HNCO | Isocyanic acid | 172.6 | 168.7 | 3.9 |
| HCONHCH3 | N-methylformamide | 124.6 | 125.1 | -0.5 |
| C3H3NO | Oxazole | 115.0 | 70.4 | 44.6 |
MP2/6-31G* for aNCO
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| -5 | 0 | 5 | 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | 55 | ||||||||||||||||||||||||||||
| Angle difference calc. - exp. (degrees) | ||||||||||||||||||||||||||||||||||||||||
| Species | Name | Difference (degrees) | |
|---|---|---|---|
| Most negative difference | C3H7NO | dimethylformamide | -2.4 |
| Most positive difference | C3H3NO | Oxazole | 44.6 |