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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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| -0.050 | -0.040 | -0.030 | -0.020 | -0.010 | 0.000 | 0.010 | 0.020 | 0.030 | 0.040 | 0.050 | 0.060 | 0.070 | ||||||||||||||||||||||||||||
| bond length difference calc. - exp. (Å) | ||||||||||||||||||||||||||||||||||||||||
| Species | Name | Difference (Å) | |
|---|---|---|---|
| Most negative difference | C3H5 | Allyl radical | -0.049 |
| Most positive difference | C3 | carbon trimer | 0.037 |
Bond lengths
Click on entry for experimental details.
| Species | Name | Experimental (Å) | Difference (Å) |
|---|---|---|---|
| C3H5 | Allyl radical | 1.428 | -0.049 |
| C2H | Ethynyl radical | 1.217 | -0.034 |
| C2H3 | vinyl | 1.316 | -0.027 |
| CH2CHCH3 | Propene | 1.353 | -0.013 |
| CHCCH2CH3 | 1-Butyne | 1.544 | -0.009 |
| CH3CH(CH3)CN | Propanenitrile, 2-methyl- | 1.481 | -0.008 |
| CF2CCl2 | difluorodichloroethylene | 1.345 | -0.008 |
| CH3CHFCH3 | 2-Fluoropropane | 1.521 | -0.006 |
| C2H6 | Ethane | 1.536 | -0.005 |
| C4H4Se | selenophene | 1.433 | -0.004 |
| CH2ClCHCHCH3 | 2-Butene, 1-chloro- | 1.342 | -0.004 |
| C2H2N2O | Furazan | 1.421 | -0.004 |
| CH2FCH2CH3 | 1-Fluoropropane | 1.534 | -0.004 |
| CH3CH2SH | ethanethiol | 1.529 | -0.003 |
| C4H2 | Diacetylene | 1.378 | -0.003 |
| C2N2 | Cyanogen | 1.389 | -0.003 |
| CH3CH2CH2CH3 | Butane | 1.531 | -0.002 |
| CH2ClCCCl | 1,3-dichloropropyne | 1.456 | -0.002 |
| C4H8 | cyclobutane | 1.555 | -0.002 |
| C(CN)4 | tetracyanomethane | 1.484 | -0.001 |
| C5H6 | Propellane | 1.525 | -0.001 |
| C2H4 | Ethylene | 1.339 | -0.001 |
| CHCCH2CH3 | 1-Butyne | 1.217 | 0.001 |
| C5H8 | Bicyclo[1.1.1]pentane | 1.557 | 0.001 |
| C2H4S | Thiirane | 1.484 | 0.002 |
| C2H2+ | acetylene cation | 1.253 | 0.003 |
| C3H8 | Propane | 1.526 | 0.004 |
| C2H2ClF | 1-chloro-1-fluoroethylene | 1.327 | 0.004 |
| CH2ClCHCHCH3 | 2-Butene, 1-chloro- | 1.496 | 0.004 |
| CH2CHCH2F | Allyl Fluoride | 1.333 | 0.004 |
| CH3CHO | Acetaldehyde | 1.501 | 0.005 |
| CH3CCH | propyne | 1.460 | 0.005 |
| CH3CN | Acetonitrile | 1.458 | 0.007 |
| C3H4 | cyclopropene | 1.509 | 0.007 |
| C3H3NO | Oxazole | 1.353 | 0.007 |
| C3H4 | cyclopropene | 1.296 | 0.007 |
| CH2CO | Ketene | 1.314 | 0.008 |
| C2H4O | Ethylene oxide | 1.459 | 0.008 |
| C5H6 | Propellane | 1.596 | 0.009 |
| CH3CCH | propyne | 1.207 | 0.009 |
| CH2CHCH2F | Allyl Fluoride | 1.488 | 0.009 |
| C4 | Carbon tetramer | 1.304 | 0.010 |
| CHCCH2CH3 | 1-Butyne | 1.457 | 0.010 |
| C3H6 | Cyclopropane | 1.501 | 0.010 |
| C2H2 | Acetylene | 1.203 | 0.011 |
| HCCCl | Chloroacetylene | 1.203 | 0.012 |
| CHF2CHF2 | 1,1,2,2-tetrafluoroethane | 1.511 | 0.012 |
| C3H4N2 | 1H-Imidazole | 1.364 | 0.013 |
| HCCBr | bromoacetylene | 1.204 | 0.013 |
| CH3CH(CH3)CN | Propanenitrile, 2-methyl- | 1.522 | 0.013 |
| CH2FCH2CH3 | 1-Fluoropropane | 1.501 | 0.013 |
| CH2CHCH3 | Propene | 1.488 | 0.014 |
| C2H4F2 | 1,2-difluoroethane | 1.501 | 0.015 |
| CH2ClCCCl | 1,3-dichloropropyne | 1.201 | 0.016 |
| C4H2 | Diacetylene | 1.205 | 0.017 |
| C3O2 | Carbon suboxide | 1.251 | 0.031 |
| C2 | Carbon diatomic | 1.243 | 0.035 |
| C3 | carbon trimer | 1.277 | 0.037 |