Table 1. Comparison of the H2 Adsorption Properties for a Variety of the Best-Behaving MOFs at 77 K.
| material | BET surface area (m2 g–1) | pore volume (cm3 g–1) | crystal densitya (g cm–3) | H2 uptake at 1 bar (wt %) | density of adsorbed H2 at 1 bar (g cm–3) | saturated excess H2 uptake (mg g–1) | total H2 uptake (mg g–1) | total volumetric uptake (g L–1) | density of adsorbed H2 at high pressure (g cm–3) | Qst for H2 at zero coverage (kJ mol–1) |
|---|---|---|---|---|---|---|---|---|---|---|
| MFM-132a | 2466 | 1.06 | 0.65 | 2.83 | 0.026 | 63 | 80 (60 bar) | 52 (60 bar) | 0.075 (60 bar) | 6.7 |
| MFM-112a (NOTT-112)18 | 3800 | 1.62 | 0.503 | 2.3 | 0.014 | 76.1 | 98 (60 bar) | 49 (60 bar) | 0.06 (60 bar) | 5.6 |
| NU-10019b | 6143 | 2.82 | 0.279 | 1.82 | 0.006 | 99.5 | 164 (70 bar) | 46 (70 bar) | 0.058 (70 bar) | 6.1 |
| PCN-6619a | 4000 | 1.63 | 0.45 | 1.79 | 0.011 | 66.5 (45 bar) | 96 (60 bar) | 43 (60 bar) | 0.059 (60 bar) | 6.22 |
| PCN-6819a | 5109 | 2.13 | 0.38 | 1.87 | 0.009 | 73.2 (50 bar) | 115 (60 bar) | 44 (60 bar) | 0.054 (60 bar) | 6.09 |
| UTSA-2021 | 1156 | 0.63 | 0.91 | 2.9 | 0.046 | |||||
| SNU-522 | 2850 | 1.0 | 0.768 | 2.87 | 0.028 | 52 | 68 (50 bar) | 52 (50 bar) | 0.068 (50 bar) | 11.6 |
| MOF-17721,22 | 4746 | 1.59 | 0.427 | 1.2 | 0.008 | 75 | 106 (60 bar) | 45 (60 bar) | 0.067 (60 bar) | 4.4 |
| MOF-523 | 3800 | 1.54 | 0.59 | 1.5 | 0.01 | 75 | 92 (60 bar) | 60 (60 bar) | 0.06 (60 bar) | |
| MOF-21024 | 6240 | 3.6 | 0.25 | 86 | 156 (60 bar) | 39 (60 bar) | 0.043 (60 bar) |
a
Calculated crystal density based upon the crystal structures with all guest solvent molecules and coordinated H2O molecules removed from the structural models.