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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 |
|---|---|---|---|---|
| C2H6 | Ethane | 110.9 | 111.1 | -0.2 |
| C2H4 | Ethylene | 121.2 | 121.5 | -0.3 |
| C2H2 | Acetylene | 180.0 | 180.0 | 0.0 |
| C3H6 | Cyclopropane | 117.9 | 117.8 | 0.1 |
| CH2CHCHO | Acrolein | 114.7 | 114.6 | 0.1 |
| CH2CHCHO | Acrolein | 115.5 | 114.6 | 0.9 |
| CH2CHCHO | Acrolein | 122.4 | 122.6 | -0.2 |
| CH2CHCHO | Acrolein | 121.0 | 122.6 | -1.6 |
| CH2CHCHO | Acrolein | 122.2 | 122.1 | 0.1 |
| CH2CHCHO | Acrolein | 118.5 | 122.1 | -3.6 |
| CH2CHCHO | Acrolein | 119.8 | 120.8 | -1.0 |
| CH2CHCHO | Acrolein | 121.6 | 120.8 | 0.8 |
| CH2CHCHO | Acrolein | 117.3 | 116.7 | 0.6 |
| CH2CHCHO | Acrolein | 117.6 | 116.7 | 0.9 |
| C2H5F | fluoroethane | 112.9 | 111.3 | 1.6 |
| C2H5F | fluoroethane | 109.7 | 110.0 | -0.3 |
| C2H5F | fluoroethane | 110.4 | 110.3 | 0.1 |
| C2HF3 | Trifluoroethylene | 124.0 | 122.9 | 1.1 |
| CH2CHOH | ethenol | 129.1 | 122.6 | 6.5 |
| CH2CHOH | ethenol | 121.7 | 122.0 | -0.3 |
| CH2CHOH | ethenol | 119.5 | 119.8 | -0.3 |
| C2H2F2 | Ethene, 1,2-difluoro-, (Z)- | 124.0 | 122.6 | 1.4 |
| C2H2F2 | Ethene, 1,2-difluoro-, (E)- | 129.2 | 124.8 | 4.4 |
| C3H5 | Allyl radical | 120.9 | 121.5 | -0.6 |
| C3H5 | Allyl radical | 117.7 | 117.9 | -0.2 |
QCISD(T)/6-311G** for aHCC
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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 | CH2CHCHO | Acrolein | -3.6 |
| Most positive difference | CH2CHOH | ethenol | 6.5 |