Table 1. Unit cell parameters of MFM-305-CH3 and MFM-305.
| MFM-305-CH3 | MFM-305 | |
| Formula | Al(OH)(C8H6NO4)Cl | Al(OH)(C7H3NO4) |
| M r | 259.6 | 209.1 |
| Space group | I41/amd | I41/amd |
| a, b (Å) | 21.48(6) | 21.495(3) |
| c (Å) | 10.90(3) | 10.457(2) |
| Volume (Å3) | 5030(30) | 4831.6(1) |
| BET surface area/m2 g–1 | 256 | 779 |
| Pore volume (P/P0 = 0.95)/cm3 g–1 | 0.181 | 0.372 |
| Pore size (HK)/Å | 5.2 | 6.2 |
| Pore volume (Cal.)/cm3 g–1 | 0.209 | 0.347 |
| Pore size (Cal.)/Å | 4.6 | 5.6 |
| CO2 uptake/mmol g–1 (273/298 K) | 2.98/2.39 | 3.55/2.65 |
| SO2 uptake/mmol g–1 (273/298 K) | 5.29/5.16 | 9.05/6.99 |