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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 | |
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| -0.005 | 0.000 | 0.005 | 0.010 | 0.015 | 0.020 | 0.025 | 0.030 | 0.035 | 0.040 | 0.045 | 0.050 | 0.055 | ||||||||||||||||||||||||||||
| bond length difference calc. - exp. (Å) | ||||||||||||||||||||||||||||||||||||||||
| Species | Name | Difference (Å) | |
|---|---|---|---|
| Most negative difference | C4H2 | Diacetylene | 0.016 |
| Most positive difference | C3 | carbon trimer | 0.038 |
Bond lengths
Click on entry for experimental details.
| Species | Name | Experimental (Å) | Difference (Å) |
|---|---|---|---|
| C4H2 | Diacetylene | 1.378 | 0.016 |
| C2H3 | vinyl | 1.316 | 0.018 |
| C2H | Ethynyl radical | 1.217 | 0.019 |
| C2H2+ | acetylene cation | 1.253 | 0.021 |
| C2 | Carbon diatomic | 1.243 | 0.025 |
| C4H2 | Diacetylene | 1.205 | 0.027 |
| C3 | carbon trimer | 1.277 | 0.038 |