Construction of a triazine polycarboxylate Co-MOF with flexible and rigid coordination arms as well as excellent catalytic reduction and adsorption properties

A new compound [Co2(H2BATD)(DMF)2].2.5DMF.0.5H2O (1) was synthesized from the triazine ligand H6BATD (H6BATD = 5,5'-(6-biscarboxymethylamino-1,3,5-triazine-2,4-diyl) bis (azadiyl), DMF = N,N-di-methylformamide) and Co(NO3)2.6H2O. Compound 1 was characterized using infrared spectroscopy, UVvis spectroscopy, PXRD, and thermogravimetry. The three-dimensional network of compound 1 was further constructed using [Co2(COO)6] building blocks from the flexible coordination arms and the rigid coordination arms from the ligand. In terms of functional properties, compound 1 can be used for the catalytic reduction of p-nitrophenol (PNP) to p-aminophenol (PAP), and compound 1 with a dose of 1 mg showed good catalytic reduction properties, as well as a conversion rate of over 90%. Based on the unique p-electron wall and carboxyl groups in the H6BATD ligand that provide abundant adsorption sites, compound 1 can be used to adsorb iodine in cyclohexane solution.

Automated summary

A new compound [Co2(H2BATD)(DMF)2].2.5DMF.0.5H2O (1) was synthesized from the triazine ligand H6BATD and Co(NO3)2.6H2O. Compound 1 was characterized and its three-dimensional network structure was constructed. Compound 1 exhibited good catalytic reduction properties for the conversion of p-nitrophenol (PNP) to p-aminophenol (PAP) and could also adsorb iodine in cyclohexane solution.