| 1,3,4-Oxadiazole | 1,2,5-Oxadiazole | 1,2,4-oxadiazole | 1,2,3-oxadiazole | NICS |
| −11.10 | −13.82 | −11.85 | −13.69 | 0 |
| −11.59 | −14.28 | −12.18 | −14.02 | 0.2 |
| −12.42 | −15.12 | −12.74 | −14.59 | 0.4 |
| −12.75 | −15.34 | −12.85 | −14.69 | 0.5 |
| −12.68 | −15.31 | −12.77 | −14.58 | 0.6 |
| −12.19 | −14.40 | −11.99 | −13.63 | 0.8 |