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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 |
|---|---|---|---|---|
| CHONH2 | formamide | 112.7 | 111.1 | 1.6 |
| C3H3NO | Oxazole | 127.9 | 129.7 | -1.8 |
| C3H3NO | Oxazole | 121.9 | 122.1 | -0.2 |
| CH2NH | Methanimine | 123.4 | 126.4 | -3.0 |
| CH2NH | Methanimine | 119.7 | 118.5 | 1.2 |
| CH3NO | nitrosomethane | 107.3 | 106.9 | 0.4 |
| CH3NO | nitrosomethane | 111.1 | 110.0 | 1.1 |
| CH3NC | methyl isocyanide | 109.6 | 109.8 | -0.2 |
| C4H4N2 | Pyrazine | 117.9 | 117.3 | 0.5 |
| C4H5N | Pyrrole | 121.5 | 121.7 | -0.2 |
| CH3NO2 | Methane, nitro- | 107.2 | 107.0 | 0.2 |
| CH2NOH | formaldoxime | 115.6 | 117.0 | -1.5 |
| CH2NOH | formaldoxime | 121.8 | 123.2 | -1.5 |
| HCN | Hydrogen cyanide | 180.0 | 180.0 | 0.0 |
| C3H7NO | dimethylformamide | 110.1 | 106.4 | 3.7 |
| C3H7NO | dimethylformamide | 117.0 | 111.4 | 5.6 |
mPW1PW91/3-21G* for aHCN
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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 | CH2NH | Methanimine | -3.0 |
| Most positive difference | C3H7NO | dimethylformamide | 5.6 |