Abstract
Two new zinc coordination polymers, {[Zn(iPrIPA)(bpa)]⋅2H2O}n (1) and [Zn2(iPrIPA)2(bpp)]n (2) (iPrIPA = 5-i-propoxyisophthalate, bpa = 1,2-bis(4-pyridyl) ethane, bpp = 1,3-bis(4-pyridyl)propane), have been synthesized under hydrothermal conditions. Complexes 1 and 2 represent 3-D polythreaded supra molecular architecture consisting of corrugated 2D layer for complexes 1 and a 2D network consisting of alternating Zn1 binuclear and paddel-wheel Zn2 binuclear units for compound 2. The structural comparison of these two complexes demonstrates that the characteristics of auxiliary ligands play a key role in governing the coordination motifs and the final supramolecular lattices. Fluorescence emission and room temperature phosphorescence (RTP) behavior of 1 and 2 were also investigated.
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