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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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| -0.040 | -0.035 | -0.030 | -0.025 | -0.020 | -0.015 | -0.010 | -0.005 | 0.000 | 0.005 | 0.010 | 0.015 | 0.020 | ||||||||||||||||||||||||||||
| bond length difference calc. - exp. (Å) | ||||||||||||||||||||||||||||||||||||||||
| Species | Name | Difference (Å) | |
|---|---|---|---|
| Most negative difference | C3H5 | Allyl radical | -0.038 |
| Most positive difference | C2H3 | vinyl | 0.012 |
Bond lengths
Click on entry for experimental details.
| Species | Name | Experimental (Å) | Difference (Å) |
|---|---|---|---|
| C3H5 | Allyl radical | 1.428 | -0.038 |
| C4H5N | Pyrrole | 1.382 | -0.024 |
| C2H2+ | acetylene cation | 1.253 | -0.024 |
| C2H4 | Ethylene | 1.339 | -0.022 |
| HCCF | Fluoroacetylene | 1.198 | -0.021 |
| CH2CHF | Ethene, fluoro- | 1.329 | -0.020 |
| CH3CCH | propyne | 1.207 | -0.020 |
| C3H4O | Cyclopropanone | 1.575 | -0.018 |
| C4H2 | Diacetylene | 1.205 | -0.018 |
| C3H4O | Cyclopropanone | 1.475 | -0.013 |
| CH2CCH2 | allene | 1.308 | -0.012 |
| C10H8 | naphthalene | 1.370 | -0.012 |
| C5H10 | Cyclopentane | 1.546 | -0.012 |
| C2H4S | Thiirane | 1.484 | -0.011 |
| C10H8 | naphthalene | 1.420 | -0.011 |
| C4H8 | cyclobutane | 1.555 | -0.010 |
| CH3CHS | Thioacetaldehyde | 1.506 | -0.009 |
| C2H2O2 | Ethanedial | 1.526 | -0.009 |
| C2H6 | Ethane | 1.536 | -0.009 |
| C4 | Carbon tetramer | 1.304 | -0.007 |
| CH3CH2SH | ethanethiol | 1.529 | -0.004 |
| CH3CCl2CH3 | Propane, 2,2-dichloro- | 1.523 | -0.002 |
| C2H | Ethynyl radical | 1.217 | -0.002 |
| C2H5Br | Ethyl bromide | 1.518 | -0.001 |
| C10H8 | naphthalene | 1.420 | 0.000 |
| C3H8 | Propane | 1.526 | 0.002 |
| C2 | Carbon diatomic | 1.243 | 0.002 |
| CH3CHO | Acetaldehyde | 1.501 | 0.004 |
| CH3CH(CH3)CH3 | Isobutane | 1.525 | 0.006 |
| C10H8 | naphthalene | 1.410 | 0.006 |
| C2N2 | Cyanogen | 1.389 | 0.008 |
| CH3CCH | propyne | 1.460 | 0.008 |
| C4H5N | Pyrrole | 1.417 | 0.010 |
| CH3CN | Acetonitrile | 1.458 | 0.010 |
| C2H4F2 | 1,2-difluoroethane | 1.493 | 0.011 |
| C4H2 | Diacetylene | 1.378 | 0.011 |
| C2H3 | vinyl | 1.316 | 0.012 |