|   | 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 | 1.418 | 0.343 | 
| C4H10O | Methyl propyl ether | rCC | 1.530 | 1.092 | -0.438 | 
| C4H10O | Methyl propyl ether | rCH | 1.099 | 1.398 | 0.299 | 
| C4H6 | 1-Methylcyclopropene | rCH | 1.085 | 4.191 | 3.106 | 
| C4H6 | 1-Methylcyclopropene | rCH | 1.087 | 3.407 | 2.320 | 
| C4H6 | 1-Methylcyclopropene | rCC | 1.476 | 2.254 | 0.778 | 
| C4H6 | 1-Methylcyclopropene | rCH | 1.087 | 1.824 | 0.737 | 
| C4H6 | 1-Methylcyclopropene | rCH | 1.098 | 1.774 | 0.676 | 
| C4H6 | 1-Methylcyclopropene | rCH | 1.098 | 1.756 | 0.658 | 
| C4H6 | 1-Methylcyclopropene | rCH | 1.070 | 1.504 | 0.434 | 
| C4H6 | 1-Methylcyclopropene | rCC | 1.515 | 1.090 | -0.425 | 
| C4H6 | 1-Methylcyclopropene | rCC | 1.300 | 1.506 | 0.206 | 
| SiP | Silicon monophosphide | rSiP | 2.078 | 1.965 | -0.113 | 
| Ar2 | Argon diatomic | rArAr | 3.758 | 4.225 | 0.467 | 
| S4 | Sulfur tetramer | rSS | 2.155 | 2.048 | -0.107 | 
| CaC | Calcium monocarbide | rCCa | 2.302 | 2.024 | -0.277 |