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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 | 111.2 | -0.3 |
| C2H4 | Ethylene | 121.2 | 121.5 | -0.3 |
| C2H2 | Acetylene | 180.0 | 180.0 | 0.0 |
| CH2CHF | Ethene, fluoro- | 120.9 | 119.0 | 1.9 |
| CH2CHF | Ethene, fluoro- | 119.0 | 121.4 | -2.4 |
| CH2CHF | Ethene, fluoro- | 129.2 | 125.7 | 3.5 |
| CH3CN | Acetonitrile | 109.4 | 109.9 | -0.5 |
| CH3CHO | Acetaldehyde | 117.5 | 115.5 | 2.0 |
| C2H4O | Ethylene oxide | 119.1 | 119.4 | -0.3 |
| CH2CHCHO | Acrolein | 114.7 | 114.9 | -0.2 |
| CH2CHCHO | Acrolein | 122.4 | 122.6 | -0.2 |
| CH2CHCHO | Acrolein | 122.2 | 122.1 | 0.1 |
| CH2CHCHO | Acrolein | 119.8 | 120.7 | -0.9 |
| CH2CHCHO | Acrolein | 117.3 | 116.8 | 0.5 |
| CH2CHCHO | Acrolein | 115.5 | 114.9 | 0.6 |
| CH2CHCHO | Acrolein | 121.0 | 122.6 | -1.6 |
| CH2CHCHO | Acrolein | 118.5 | 122.1 | -3.6 |
| CH2CHCHO | Acrolein | 121.6 | 120.7 | 0.9 |
| CH2CHCHO | Acrolein | 117.6 | 116.8 | 0.8 |
| CH3CH2CHO | Propanal | 110.3 | 110.8 | -0.5 |
| CH3CH2CHO | Propanal | 111.9 | 107.0 | 4.9 |
| CH3CH2CHO | Propanal | 115.1 | 115.2 | -0.1 |
| CH3CH2CHO | Propanal | 111.7 | 110.7 | 1.0 |
| CH3CH2CHO | Propanal | 106.8 | 111.7 | -4.9 |
| C2H4S | Thiirane | 117.9 | 118.0 | -0.1 |
| CH2CCH2 | allene | 120.9 | 120.9 | -0.0 |
| CH2CO | Ketene | 118.7 | 119.1 | -0.4 |
| C3H5 | Allyl radical | 120.9 | 121.4 | -0.5 |
| C3H5 | Allyl radical | 117.7 | 117.8 | -0.1 |
| C2H | Ethynyl radical | 180.0 | 180.0 | 0.0 |
| C2H3 | vinyl | 137.3 | 137.3 | 0.0 |
| C2H3 | vinyl | 121.5 | 121.3 | 0.2 |
| HCCF | Fluoroacetylene | 180.0 | 180.0 | 0.0 |
| C3H4 | cyclopropene | 149.9 | 150.0 | -0.1 |
| C3H4 | cyclopropene | 145.6 | 145.4 | 0.1 |
| C3H4 | cyclopropene | 119.2 | 119.4 | -0.2 |
CCSD=FULL/cc-pVQZ for aHCC
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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 | CH3CH2CHO | Propanal | -4.9 |
| Most positive difference | CH3CH2CHO | Propanal | 4.9 |