Fig. 2: Scheme and structure of five isostructural MOFs.
From: One-step propylene purification from a quaternary mixture by a single physisorbent
a The building blocks (Co2+, DPG, and organic ligand of IPA-X and BDC-X, X represents different functional groups), b the structure of the three-dimensional framework of PCP-IPA-X and PCP-BDC-X, and c the electrostatic potential maps of ZU-921 to ZU-924 and PCP-BDC and their pore size.
