Journal
CHEMICAL COMMUNICATIONS
Volume 54, Issue 71, Pages 9937-9940Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8cc05402a
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The new ligand tris(p-carboxyphenylethynyl)phosphine (P{C CC(6)H(4)4-CO2H}(3)) was used to synthesize a permanently porous MOO-based acetylenic phosphine coordination material, PCM-48. This triply-interpenetrated MOF contains 1-D microchannels that are decorated with electron-rich and adsorbate-accessible acetylenic moieties and phosphine lone pairs. PCM-48 has a moderate room-temperature C2H2 adsorption capacity (25.54 cm(3) g(-1)) and displays high separation selectivities for C2H2 over CH4 (C2H2/CH4 = 23.3), CO2 (C2H2/CO2 = 4.3), and N-2 (C2H2/N-2 = 76.9) at 296 K.
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