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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 | 120.1 | -0.9 |
| NH2CONH2 | Urea | 112.8 | 115.5 | -2.7 |
| CH3CSNH2 | Ethanethioamide | 124.0 | 122.1 | 1.9 |
| CH3CSNH2 | Ethanethioamide | 114.4 | 119.2 | -4.8 |
| CH3NH2 | methyl amine | 111.0 | 110.6 | 0.4 |
| CH3CH2NH2 | Ethylamine | 111.1 | 110.2 | 0.9 |
| CHONH2 | formamide | 118.5 | 121.7 | -3.2 |
| CHONH2 | formamide | 120.0 | 119.3 | 0.7 |
| HNCO | Isocyanic acid | 123.9 | 138.0 | -14.1 |
| C4H5N | Pyrrole | 125.1 | 125.4 | -0.3 |
| CHSNH2 | thioformamide | 117.9 | 122.1 | -4.2 |
| CHSNH2 | thioformamide | 120.4 | 119.3 | 1.1 |
| CH3NHCH3 | Dimethylamine | 108.9 | 109.9 | -1.0 |
| HNCNH | diiminomethane | 118.6 | 124.3 | -5.6 |
| C2H5N | Aziridine | 109.3 | 108.5 | 0.8 |
| CH2NH | Methanimine | 110.5 | 112.6 | -2.1 |
| HNC | hydrogen isocyanide | 180.0 | 180.0 | 0.0 |
QCISD/3-21G for aHNC
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| -16 | -14 | -12 | -10 | -8 | -6 | -4 | -2 | 0 | 2 | 4 | 6 | 8 | ||||||||||||||||||||||||||||
| Angle difference calc. - exp. (degrees) | ||||||||||||||||||||||||||||||||||||||||
| Species | Name | Difference (degrees) | |
|---|---|---|---|
| Most negative difference | HNCO | Isocyanic acid | -14.1 |
| Most positive difference | CH3CSNH2 | Ethanethioamide | 1.9 |