|   | 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 | 116.1 | 114.4 | 1.8 | 
| CH4 | Methane | 109.5 | 109.5 | -0.0 | 
| C2H6 | Ethane | 108.0 | 108.2 | -0.2 | 
| C2H4 | Ethylene | 117.6 | 116.1 | 1.5 | 
| C3H6 | Cyclopropane | 114.5 | 115.0 | -0.5 | 
CCSD(T)=FULL/3-21G* for aHCH
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| -0.6 | -0.4 | -0.2 | 0 | 0.2 | 0.4 | 0.6 | 0.8 | 1 | 1.2 | 1.4 | 1.6 | 1.8 | ||||||||||||||||||||||||||||
| Angle difference calc. - exp. (degrees) | ||||||||||||||||||||||||||||||||||||||||
| Species | Name | Difference (degrees) | |
|---|---|---|---|
| Most negative difference | C3H6 | Cyclopropane | -0.5 | 
| Most positive difference | H2CO | Formaldehyde | 1.8 |