|   | 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 | 
|---|---|---|---|---|
| H2CO | Formaldehyde | 116.1 | 116.2 | -0.1 | 
| CH3OH | Methyl alcohol | 109.0 | 108.0 | 1.1 | 
| CH3COCH3 | Acetone | 108.4 | 109.7 | -1.3 | 
| CH4 | Methane | 109.5 | 109.5 | -0.0 | 
| C2H6 | Ethane | 108.0 | 107.3 | 0.7 | 
| C2H4 | Ethylene | 117.6 | 117.1 | 0.5 | 
| CH3Cl | Methyl chloride | 110.8 | 110.6 | 0.1 | 
| CH3NH2 | methyl amine | 108.4 | 107.5 | 0.9 | 
| C3H8 | Propane | 106.1 | 105.8 | 0.3 | 
| C3H8 | Propane | 107.3 | 107.5 | -0.2 | 
| C3H8 | Propane | 108.1 | 107.1 | 1.0 | 
| CH3CHO | Acetaldehyde | 108.3 | 110.3 | -2.0 | 
| CH2Cl2 | Methylene chloride | 112.1 | 112.3 | -0.2 | 
| CH2F2 | Methane, difluoro- | 112.8 | 113.4 | -0.6 | 
| CH3SCH3 | Dimethyl sulfide | 109.6 | 108.9 | 0.7 | 
| C3H6 | Cyclopropane | 114.5 | 114.6 | -0.1 | 
| N(CH3)3 | Trimethylamine | 108.1 | 107.7 | 0.4 | 
| N(CH3)3 | Trimethylamine | 108.6 | 108.1 | 0.5 | 
| CH3OCH3 | Dimethyl ether | 109.2 | 108.9 | 0.3 | 
| CH3OCH3 | Dimethyl ether | 108.0 | 107.9 | 0.1 | 
| CH3NHCH3 | Dimethylamine | 109.0 | 107.4 | 1.6 | 
| CH3NHCH3 | Dimethylamine | 109.0 | 108.2 | 0.8 | 
| CH3NHCH3 | Dimethylamine | 107.2 | 107.0 | 0.2 | 
| CH2CCH2 | allene | 118.2 | 118.0 | 0.2 | 
| C2H4F2 | 1,2-difluoroethane | 110.0 | 110.7 | -0.7 | 
| C2H4F2 | 1,2-difluoroethane | 109.1 | 109.5 | -0.4 | 
PBEPBE/Sadlej_pVTZ for aHCH
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| -2 | -1.5 | -1 | -0.5 | 0 | 0.5 | 1 | 1.5 | 2 | 2.5 | 3 | 3.5 | 4 | ||||||||||||||||||||||||||||
| Angle difference calc. - exp. (degrees) | ||||||||||||||||||||||||||||||||||||||||
| Species | Name | Difference (degrees) | |
|---|---|---|---|
| Most negative difference | CH3CHO | Acetaldehyde | -2.0 | 
| Most positive difference | CH3NHCH3 | Dimethylamine | 1.6 |