Acta Crystallographica Section C

Crystal Structure Communications

Volume 69, Part 7 (July 2013)

metal-organic compounds

Acta Cryst. (2013). C69, 750-753    [ doi:10.1107/S0108270113016168 ]

Two one-dimensional linear zinc(II) polymers: catena-poly[[[2,6-bis­(1H-benzimidazol-2-yl-[kappa]N3)pyridine]zinc(II)]-[mu]-pyridine-2,4-di­carboxyl­ato-[kappa]2O2:O4] and catena-poly[[[2,6-bis­(1H-benzimidazol-2-yl-[kappa]N3)pyri­dine]zinc(II)]-[mu]-pyridine-2,5-di­car­boxyl­ato-[kappa]2O2:O5]

J. Xiang

Abstract: The solvothermal reactions of 2,6-bis­(1H-benzimidazol-2-yl)pyridine (H2bpp) and hydrated ZnCl2 in the presence of pyridine-2,4-di­carb­oxy­lic acid (2,4-pdcH2) or pyridine-2,5-di­carb­oxy­lic acid (2,5-pdcH2) afforded the title one-dimensional linear compounds, [Zn(C7H3NO4)(C19H13N5)]n or [Zn(2,4-pdc)(H2bpp)]n, (I), and [Zn(C7H3NO4)(C19H13N5)]n or [Zn(2,5-pdc)(H2bpp)]n, (II), respectively. The ZnII cations in these compounds have closely comparable geometries and both are octa­hedrally coordinated by N4O2 donor sets. The thermal stabilities have been investigated by thermogravimetric analysis (TGA) on the crystalline samples and their solid-state photoluminescence properties have been investigated at room temperature.

Formula: [Zn(C7H3NO4)(C19H13N5)] and [Zn(C7H3NO4)(C19H13N5)]

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[ doi:10.1107/S0108270113016168/yp3033Isup3.cdx ]
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