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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 | 119.2 | 117.2 | 2.0 |
| NH2CONH2 | Urea | 112.8 | 112.0 | 0.8 |
| CHONH2 | formamide | 118.5 | 121.6 | -3.1 |
| CHONH2 | formamide | 120.0 | 118.5 | 1.5 |
| C4H5N | Pyrrole | 125.1 | 124.9 | 0.2 |
| HNCNH | diiminomethane | 118.6 | 119.2 | -0.5 |
| CH2NH | Methanimine | 110.5 | 109.8 | 0.7 |
| HNC | hydrogen isocyanide | 180.0 | 180.0 | 0.0 |
LSDA/cc-pVDZ for aHNC
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| -3.5 | -3 | -2.5 | -2 | -1.5 | -1 | -0.5 | 0 | 0.5 | 1 | 1.5 | 2 | 2.5 | ||||||||||||||||||||||||||||
| Angle difference calc. - exp. (degrees) | ||||||||||||||||||||||||||||||||||||||||
| Species | Name | Difference (degrees) | |
|---|---|---|---|
| Most negative difference | CHONH2 | formamide | -3.1 |
| Most positive difference | NH2CONH2 | Urea | 2.0 |