Abstract
Two novel coordination polymers [Zn 2 (tfbdc) 2 (DMF) 2 (EtOH)] n ( 1 ) and [Zn(tfbdc)(MeOH) 4 ] n ( 2 ) have been prepared by reactions of Zn(NO 3 ) 2 ·6H 2 O, tetrafluoroterephthalatic acid (H 2 tfbdc), and hexamethylenetetramine (hmt) in their respective solvent systems. Complex 1 shows a 3D pillar-layered framework with rare (3,5)-connected gra topology, while 2 has a 1D zigzag chain structure, with the interchain hydrogen-bonding interactions resulting in the formation of a 3D network. The results reveal that the coordinated-solvent plays a subtle and important role in the assembly procedure. Photoluminescent property of the complexes has also been investigated. Two new coordination polymers, [Zn 2 (tfbdc) 2 (DMF) 2 (EtOH)] n with rare (3,5)-connected gra topology and [Zn(tfbdc)(MeOH) 4 ] n with 1D zigzag chain, have been obtained via coordinated-solvent effect and the two complexes display fluorescent properties. ► Two Zinc(II) coordination Polymers have been obtained via coordinated-solvent effect. ► Complex 1 exhibits 3D framework with rare (3,5)-connected gra topology. ► Complex 2 shows 1D zigzag chain and further 3D hydrogen-bonding structure. ► Coordinated-solvent plays a subtle role in distinct architecture of both complexes. ► Complex 1 exhibits 3D framework with rare (3,5)-connected gra topology; Complex 2 shows 1D zigzag chain and further 3D hydrogen-bonding structure.
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