| Zeolite Type | Pore size (nm) | Ring size |
| MCM-22, 49 | 0.6 | 10-membered |
| UTD-1 | 1.0 | 14-membered |
| CIT-5 | 0.8 | 14-membered |
| EMC-2 | 0.7 | 12-membered |
| Colverite | 1.3 | 20-membered |