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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 |
|---|---|---|---|---|
| H2NCH2COOH | Glycine | 113.0 | 114.9 | -1.9 |
| CH3CH(NH2)COOH | Alanine | 110.1 | 108.6 | 1.5 |
| CH3CONH2 | Acetamide | 115.1 | 114.0 | 1.1 |
| CH3CSNH2 | Ethanethioamide | 114.8 | 113.5 | 1.3 |
| C4H4N2O2 | Uracil | 115.5 | 113.9 | 1.6 |
| CH3CH2NH2 | Ethylamine | 115.0 | 115.8 | -0.8 |
| C2H5CN | ethyl cyanide | 178.8 | 178.1 | 0.7 |
| C2H8N2 | Ethylenediamine | 110.2 | 115.9 | -5.7 |
| C3H2N2 | Malononitrile | 178.6 | 178.5 | 0.1 |
| C4H5N | Pyrrole | 107.7 | 107.5 | 0.2 |
| C4H4N2 | Succinonitrile | 180.0 | 179.0 | 1.0 |
| C5H5N | Pyridine | 124.0 | 123.7 | 0.3 |
| C5H11N | Piperidine | 110.5 | 109.3 | 1.2 |
| C4H9N | Pyrrolidine | 104.6 | 102.2 | 2.4 |
| C3H4N2 | 1H-Pyrazole | 112.0 | 112.2 | -0.2 |
| C3H4N2 | 1H-Pyrazole | 106.4 | 105.9 | 0.5 |
| C2H2N2O | Furazan | 108.9 | 109.2 | -0.4 |
| C3H3NO | Oxazole | 109.1 | 14.4 | 94.7 |
| C4H4N2 | Pyridazine | 123.7 | 123.4 | 0.3 |
| C4H4N2 | 1,3-Diazine | 121.2 | 122.3 | -1.1 |
| C4H4N2 | Pyrazine | 122.2 | 121.9 | 0.3 |
| CH(CN)3 | tricyanomethane | 177.0 | 178.9 | -1.9 |
| C2N2 | Cyanogen | 180.0 | 180.0 | 0.0 |
MP2/6-31G* for aCCN
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| -10 | 0 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 | 110 | ||||||||||||||||||||||||||||
| Angle difference calc. - exp. (degrees) | ||||||||||||||||||||||||||||||||||||||||
| Species | Name | Difference (degrees) | |
|---|---|---|---|
| Most negative difference | C2H8N2 | Ethylenediamine | -5.7 |
| Most positive difference | C3H3NO | Oxazole | 94.7 |