Syntheses, Structures, and Luminescence of Three Manganese Coordination Polymers With Flexible Bistriazole and Rigid Benzenedicarboxylate Ligands

Abstract

Three Mn(II) coordination polymers, {[Mn(bte)0.5(bdc)(H2O)]•H2O} (1), {[Mn(bte)(I-bdc)(H2O)]•H2O}n (2), and [Mn(btp)(bdc)(H2O)]•2.5H2O (3), were synthesized (bte = 1,2-bis(1,2,4-triazol-1-yl)ethane, btp = 1,3-bis(1,2,4-triazol-1-yl)propane, bdc = 1,3-benzenebiscarboxylate, I-bdc = 5-iodoisophthalate). 1 is an unusual (3,4)-connected 2D network with the point symbol of (42•6)(42•63•8). 2 is an independent 1D metal-organic nanotube (MONT). The combination of rings and two chains forms independent 1D MONT. The I groups of each 1D MONT polythread into two adjacent 1D MONTs to form a (1D → 2D) polythreaded array. 3 shows the undulated 2D (4,4) network and a double-layer hydrogen bonding network. The luminescence and thermal stability were investigated.