Coalescence of Porous Coordination Cages into Crystalline and Amorphous Bulk Solids.

Discrete porous coordination cages are attractive as a solution processable material whose porosity is not predicated on a network structure. Here, we leverage the peripheral functionalization of these cage structures to obtain 12 novel, solution processable, porous coordination cages that afford crystalline and amorphous single-phase millimeter-scale monolithic bulk structures (six of each) upon solidification. These structures are based upon prototypal metal-organic polyhedra [Cu(5-x-isophthalate)] (where x = NH, OH), wherein meta-substitution of linker ligands with acyl chloride or isocyanate moieties afforded amide and urethane functional groups, respectively.

Enhanced CO sorption properties in a polarizable [WOF]-pillared physisorbent under direct air capture conditions.

We report the CO capture properties of an ultramicroporous physisorbent [Ni(WOF)(pyrazine)], WOF-1-Ni, which crystallizes in 4/ ( = 9.91785(6) Å, = 15.71516(9) Å) and its structure is solved using laboratory X-ray powder diffraction.