Abstract

An interesting discrete metallomacrocycle (MMC), [Zn3(L)3(H2O)6] · H2O (I), has been prepared by means of self-assembly of Zn(II) salt, 5-hydroxyisophthalic acid (H2L) as organic linker and 5,5’-(pyridine-2,6-diyl)diisophthalic acid (H4L’) as structure-directing agentunder hydrothermal condition. In complex I, the planar trinuclearmetal-organic macrocycles are arranged into 2D sheet layers connected by strong hydrogen bonded between OH groups of the ligands. Then they stack into 3D supramolecular architecture in–ABAB–array way to give a small 1D open channel along the c axis (CIF file CCDC no. 1053024). Additionally, thermal stability and luminescence properties of I were also investigated.

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