A Multifunctional 3d Supermolecular Co Coordination Polymer With Potential For Co2 Adsorption, Antibacterial Activity, And Selective Sensing Of Fe3+/Cr3+ Ions And Tnp

A 3D supermolecular structure [Co-3(L)(2) (2,2 '-bipy)(2)](DMF)(3)(H2O)(3) 1) (H3L = 4,4 ',4 ''-nitrilotribenzoic acid) has been constructed based on H3L, and 2,2 '-bipy ligands under solvothermal conditions. Compound 1 can be described as a (3, 6)-connected kgd topology with a Schlafli symbol (4(3))(2)(4(6).6(6).8(3)) formed by [Co-3(CO2)(6)] secondary building units. The adsorption properties of the activated sample 1a has been studied; the result shows that 1a has a high adsorption ability: the CO2 uptakes were 74 cm(3)center dot g(-1) at 273 K, 50 cm(3)center dot g(-1) at 298 K, the isosteric heat of adsorption (Q(st)) is 25.5 kJ mol(-1) at zero loading, and the N-2 adsorption at 77 K, 1 bar is 307 cm(3) g(-1). Magnetic measurements showed the existence of an antiferromagnetic exchange interaction in compound 1, besides compound 1 exhibits effective luminescent performance for Fe3+/Cr3+ and TNP.