Acta Crystallographica Section C

Crystal Structure Communications

Volume 68, Part 9 (September 2012)

metal-organic compounds

lg3090 scheme

Acta Cryst. (2012). C68, m235-m237    [ doi:10.1107/S0108270112033045 ]

A two-dimensional coordination polymer containing a two-dimensional zinc-carboxyl­ate layer constructed from helical chains: poly[([mu]4-benzene-1,2-dicarboxyl­ato)zinc(II)]

W.-L. Xiong, Q.-Y. Liu, N. Zhang and L. Wang

Abstract: The title compound, [Zn(C8H4O4)]n, consists of one ZnII cation and one benzene-1,2-dicarboxyl­ate dianion (BDC2-) as the building unit. The ZnII cation is four-coordinated by four carboxyl­ate O atoms from four dianionic BDC2- ligands in a distorted tetra­hedral geometry. The ZnII cations are linked by the BDC2- ligands to generate a structure featuring two-dimensional zinc-carboxyl­ate layers containing left- and right-handed helical chains. The two-dimensional layers are stacked along the a direction. The thermal stability of the title com­pound has been studied.

Formula: [Zn(C8H4O4)]

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[ doi:10.1107/S0108270112033045/lg3090sup3.pdf ]
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