|   | 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 | 1.426 | 0.351 | 
| C2H4O3 | trioxolane124 | rCN | 1.303 | 2.236 | 0.933 | 
| C4H10O | Methyl propyl ether | rCC | 1.530 | 1.094 | -0.436 | 
| C4H10O | Methyl propyl ether | rCH | 1.099 | 1.443 | 0.344 | 
| CaO | Calcium monoxide | rOCa | 1.822 | 2.040 | 0.218 | 
| ZnS | Zinc sulfide | rSZn | 2.046 | 1.917 | -0.129 | 
| CuO | Copper Monoxide | rCuO | 1.724 | 1.616 | -0.108 | 
| C4H6 | 1-Methylcyclopropene | rCH | 1.085 | 4.195 | 3.110 | 
| C4H6 | 1-Methylcyclopropene | rCH | 1.087 | 3.421 | 2.334 | 
| C4H6 | 1-Methylcyclopropene | rCC | 1.476 | 2.263 | 0.787 | 
| C4H6 | 1-Methylcyclopropene | rCH | 1.087 | 1.832 | 0.745 | 
| C4H6 | 1-Methylcyclopropene | rCH | 1.098 | 1.779 | 0.681 | 
| C4H6 | 1-Methylcyclopropene | rCH | 1.098 | 1.763 | 0.665 | 
| C4H6 | 1-Methylcyclopropene | rCH | 1.070 | 1.525 | 0.455 | 
| C4H6 | 1-Methylcyclopropene | rCC | 1.515 | 1.087 | -0.428 | 
| C4H6 | 1-Methylcyclopropene | rCC | 1.300 | 1.525 | 0.225 | 
| CH3SO2NH2 | methanesulfonamide | rCN | 1.207 | 1.631 | 0.424 | 
| CuCl | Copper monochloride | rCuCl | 2.051 | 1.899 | -0.152 | 
| He2+ | helium diatomic cation | rHeHe | 1.081 | 1.229 | 0.148 | 
| LiK | Lithium Potassium | rLiK | 3.270 | 3.385 | 0.115 | 
| GaP | Gallium monophosphide | rPGa | 2.450 | 2.244 | -0.206 | 
| Ne2 | Neon diatomic | rNeNe | 3.100 | 3.316 | 0.216 | 
| Ar2+ | Argon diatomic cation | rArAr | 2.320 | 2.595 | 0.275 | 
| Ar2 | Argon diatomic | rArAr | 3.758 | 4.017 | 0.259 | 
| CuF | Copper monofluoride | rCuF | 1.745 | 1.595 | -0.150 | 
| Al2Cl6 | Aluminum, di-μ-chlorotetrachlorodi- | rAlCl | 2.040 | 2.260 | 0.220 | 
| Al2Cl6 | Aluminum, di-μ-chlorotetrachlorodi- | rAlCl | 2.240 | 2.074 | -0.166 | 
| HSSSH | trisulfane | rHS | 1.344 | 2.057 | 0.713 | 
| Be2 | Beryllium diatomic | rBeBe | 2.460 | 2.654 | 0.194 | 
| CaH | Calcium monohydride | rCaH | 2.003 | 2.167 | 0.165 | 
| CaCl | calcium monochloride | rClCa | 2.437 | 2.613 | 0.176 | 
| CaS | Calcium sulfide | rSCa | 2.318 | 2.525 | 0.207 | 
| AlP | Aluminum monophosphide | rAlP | 2.400 | 2.199 | -0.201 | 
| AlP | Aluminum monophosphide | rAlP | 2.220 | 2.067 | -0.153 | 
| Na2 | Sodium diatomic | rNaNa | 3.079 | 2.309 | -0.770 | 
| Mg2 | Magnesium diatomic | rMgMg | 3.891 | 3.375 | -0.515 | 
| Al2 | Aluminum diatomic | rAlAl | 2.701 | 2.459 | -0.242 | 
| CaC | Calcium monocarbide | rCCa | 2.302 | 2.447 | 0.146 | 
| ZnCN | Zinc monocyanide | rCZn | 1.950 | 1.830 | -0.119 |