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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 | 118.6 | 117.2 | 1.4 |
| CH3NH2 | methyl amine | 105.8 | 108.5 | -2.7 |
| CHONH2 | formamide | 121.6 | 119.0 | 2.6 |
| CHSNH2 | thioformamide | 121.7 | 118.7 | 3.0 |
| N2H4 | Hydrazine | 106.0 | 108.4 | -2.4 |
| NH3 | Ammonia | 106.7 | 109.4 | -2.7 |
| LiNH2 | lithium amide | 106.9 | 106.5 | 0.4 |
| NH2OH | hydroxylamine | 103.3 | 106.3 | -3.1 |
| NH2 | Amino radical | 103.4 | 103.9 | -0.5 |
| NH2SH | Thiohydroxylamine | 110.2 | 110.0 | 0.2 |
| NH2SH | Thiohydroxylamine | 111.6 | 110.0 | 1.6 |
| BH2NH2 | Boranamine | 114.2 | 114.1 | 0.1 |
| NH2F | monofluoroamine | 106.3 | 106.6 | -0.3 |
QCISD/3-21G for aHNH
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| -4 | -3 | -2 | -1 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | ||||||||||||||||||||||||||||
| Angle difference calc. - exp. (degrees) | ||||||||||||||||||||||||||||||||||||||||
| Species | Name | Difference (degrees) | |
|---|---|---|---|
| Most negative difference | NH2OH | hydroxylamine | -3.1 |
| Most positive difference | CHSNH2 | thioformamide | 3.0 |