|   | Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology | 
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| Species | Name | Bond type | Bond Length (Å) | ||
|---|---|---|---|---|---|
| Experimental | Calculated | Difference | |||
| C3H3NO | Isoxazole | rCH | 1.075 | 1.419 | 0.344 | 
| C4H10O | Methyl propyl ether | rCC | 1.530 | 1.093 | -0.437 | 
| C4H10O | Methyl propyl ether | rCH | 1.099 | 1.413 | 0.314 | 
| C4H6 | 1-Methylcyclopropene | rCH | 1.085 | 4.207 | 3.122 | 
| C4H6 | 1-Methylcyclopropene | rCH | 1.087 | 3.416 | 2.329 | 
| C4H6 | 1-Methylcyclopropene | rCC | 1.476 | 2.255 | 0.779 | 
| C4H6 | 1-Methylcyclopropene | rCH | 1.087 | 1.826 | 0.739 | 
| C4H6 | 1-Methylcyclopropene | rCH | 1.098 | 1.777 | 0.679 | 
| C4H6 | 1-Methylcyclopropene | rCH | 1.098 | 1.758 | 0.660 | 
| C4H6 | 1-Methylcyclopropene | rCH | 1.070 | 1.507 | 0.437 | 
| C4H6 | 1-Methylcyclopropene | rCC | 1.515 | 1.091 | -0.424 | 
| C4H6 | 1-Methylcyclopropene | rCC | 1.300 | 1.505 | 0.205 | 
| Ar2 | Argon diatomic | rArAr | 3.758 | 4.256 | 0.498 |