Table 2 Summary of the textural characteristics of a permanent porous glass derived from ZIF-76-mbIm

Uptake of CO₂ (1 bar, 273 K)

10.0 wt%

7.0 wt%

Surface area from N₂ / 77 K data^a

1173

^d

Surface area from CO₂/273 K data^a

643

375

Pore volume from N₂/77 K data^b

0.50

^d

Pore volume from CO₂/273 K data^b

0.17

0.12

Isosteric heat of adsorption, Q_st (CO₂)^c

−26.3

−29.3