|   | Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology | 
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| Species | Name | Experimental Angle | Calculated Angle | Difference | 
|---|---|---|---|---|
| CH3COCH3 | Acetone | 110.5 | 110.4 | 0.1 | 
| C2H6 | Ethane | 110.9 | 111.5 | -0.6 | 
| C2H4 | Ethylene | 121.2 | 121.5 | -0.3 | 
| C2H2 | Acetylene | 180.0 | 180.0 | 0.0 | 
| C3H8 | Propane | 111.8 | 111.9 | -0.1 | 
| C3H8 | Propane | 110.6 | 111.2 | -0.6 | 
| C3H8 | Propane | 109.5 | 109.5 | 0.1 | 
| CH3CHO | Acetaldehyde | 117.5 | 115.3 | 2.2 | 
| C3H6 | Cyclopropane | 117.9 | 117.9 | 0.0 | 
| CH3CH2CH2CH3 | Butane | 111.0 | 109.2 | 1.8 | 
| C5H12 | Pentane | 110.4 | 111.8 | -1.4 | 
| C6H14 | Hexane | 109.5 | 109.5 | -0.0 | 
| C5H5N | Pyridine | 120.7 | 120.8 | -0.1 | 
| C6H5F | Fluorobenzene | 120.0 | 119.8 | 0.2 | 
| C6H5F | Fluorobenzene | 119.9 | 120.1 | -0.2 | 
| CH2CCH2 | allene | 120.9 | 121.0 | -0.1 | 
| C2H4F2 | 1,2-difluoroethane | 111.4 | 110.6 | 0.8 | 
| C2H4F2 | 1,2-difluoroethane | 108.4 | 110.7 | -2.3 | 
| C2H4F2 | 1,2-difluoroethane | 111.3 | 109.8 | 1.5 | 
| HCCF | Fluoroacetylene | 180.0 | 180.0 | 0.0 | 
B3LYP/Sadlej_pVTZ for aHCC
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|  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
|  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| -2.5 | -2 | -1.5 | -1 | -0.5 | 0 | 0.5 | 1 | 1.5 | 2 | 2.5 | 3 | 3.5 | ||||||||||||||||||||||||||||
| Angle difference calc. - exp. (degrees) | ||||||||||||||||||||||||||||||||||||||||
| Species | Name | Difference (degrees) | |
|---|---|---|---|
| Most negative difference | C2H4F2 | 1,2-difluoroethane | -2.3 | 
| Most positive difference | CH3CHO | Acetaldehyde | 2.2 |