Metal-Organic Frameworks, (MOFs), are a class of porous three-dimensional materials consisting of metal ions or clusters coordinated to organic ligands. MOFs are very promising materials due to their flexible design compared to conventional porous materials, which can result in attractive gas sorption capabilities. Previous work in our lab investigated the use of resorcinol to synthesize a flexible dicarboxylic acid ligand (1) which was investigated for the construction of porous MOFs. This project expands upon that work and attempts to synthesize two additional flexible di/tricarboxylic acid ligands (2 and 3) for the preparation of MOFs. All organic ligands were characterized by FT-IR, and 1H and 13C NMR. The coordination chemistry of each ligand was investigated through a series of solvothermal reactions using a variety of metal salts. Our attempts to characterize the structure and properties of these MOFs by single-crystal X-ray diffraction, powder X-ray diffraction, FTIR, NMR, Thermogravimetric Analysis, and Gas Sorption Analysis are described herein.

Employing flexible ligands to construct metal-organic frameworks

253rd National Meeting (2017)

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