|   | 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 | 
|---|---|---|---|---|
| H2CO | Formaldehyde | 121.9 | 122.4 | -0.5 | 
| HCOOH | Formic acid | 124.1 | 125.4 | -1.3 | 
| CHONH2 | formamide | 122.5 | 123.3 | -0.8 | 
| C2H4O | Ethylene oxide | 114.7 | 115.5 | -0.8 | 
| CH2CHCHO | Acrolein | 121.3 | 121.4 | -0.1 | 
| CH2CHCHO | Acrolein | 120.2 | 121.4 | -1.2 | 
| C3H6O | 2-Propen-1-ol | 113.3 | 112.0 | 1.3 | 
| C3H6O | 2-Propen-1-ol | 107.3 | 110.7 | -3.4 | 
| C4H4O | Furan | 115.9 | 115.7 | 0.2 | 
| CH3OCH3 | Dimethyl ether | 107.1 | 107.7 | -0.6 | 
| CH3OCH3 | Dimethyl ether | 111.0 | 111.9 | -0.8 | 
| CH3CH2CHO | Propanal | 120.5 | 120.7 | -0.2 | 
| C4H8O2 | Ethyl acetate | 108.3 | 109.0 | -0.7 | 
| C3H3NO | Oxazole | 117.1 | 116.3 | 0.8 | 
| C3H3NO | Oxazole | 116.9 | 116.4 | 0.5 | 
| CH3OC2H5 | Ethane, methoxy- | 107.5 | 107.7 | -0.3 | 
| CH3OC2H5 | Ethane, methoxy- | 111.1 | 111.9 | -0.8 | 
| CH3OC2H5 | Ethane, methoxy- | 110.3 | 110.2 | 0.1 | 
| HCO | Formyl radical | 119.5 | 124.4 | -4.9 | 
PBE1PBE/6-31G(2df,p) for aHCO
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| -5 | -4 | -3 | -2 | -1 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | ||||||||||||||||||||||||||||
| Angle difference calc. - exp. (degrees) | ||||||||||||||||||||||||||||||||||||||||
| Species | Name | Difference (degrees) | |
|---|---|---|---|
| Most negative difference | HCO | Formyl radical | -4.9 | 
| Most positive difference | C3H6O | 2-Propen-1-ol | 1.3 |