Microporous heptazine functionalized (3,24)-connected rht-metal-organic framework: Synthesis, structure, and gas sorption analysis
Weselinski, Lukasz Jan
KAUST DepartmentFunctional Materials Design, Discovery and Development (FMD3)
Physical Sciences and Engineering (PSE) Division
Chemical Science Program
Advanced Membranes and Porous Materials Research Center
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AbstractHere we synthesized the highly porous rht-MOF-9 as the first example of an rht-MOF having a polycyclic central core. This material was synthesized from a predesigned polyheterocyclic nitrogen-rich hexacarboxylate (tri-isophthalate) ligand, which serves as the 3-connected, trigonal molecular building block (MBB). When reacted under the proper conditions, this ligand, having three coplanar isophthalic acid moieties, codes for the in situ formation of the targeted 24-connected copper-based supermolecular building block (SBB) having rhombicuboctahedral geometry. This combination of a 24-connected building block linked through 3-connected nodes results in a novel material with the singular rht topology. The rht-MOF-9 compound exhibits promising H2 and CO2 adsorption properties in comparison to previously reported rht-MOFs. © 2014 American Chemical Society.
SponsorsAuthors gratefully acknowledge KAUST for funding.
PublisherAmerican Chemical Society (ACS)
JournalCrystal Growth & Design
Is Supplemented ByLuebke, R., Weseliński, Ł. J., Belmabkhout, Y., Chen, Z., Wojtas, Ł., & Eddaoudi, M. (2014). CCDC 974613: Experimental Crystal Structure Determination [Data set]. Cambridge Crystallographic Data Centre. https://doi.org/10.5517/cc11q542