Crystal Growth & Design ARTICLE synthetic methods and tuned by different terminal ligands. The structural diversity of SBUs brings about different magnetic behaviors in these compounds.' ASSOCIATED CONTENT b S Supporting Information. X-ray crystallographic information for 1À7, Figures S1ÀS16, and the theoretical equations for the fitting and analysis of magnetic data of 3À7 are available free of charge via the Internet at http://pubs.acs.org.

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Syntheses and crystal structures of two Zn(II) complexes, [Zn(Fura) 2 (2,2 0 -bipy)(H 2 O)] and [Zn(l-dnbc) 2 ] (Fura^Furoic acid, 2,2 0 -bpy^2,2 0 -bipyridine, dnba^3,5-dinitrobenzoic acid) Two Zn(II) complexes, [Zn(Fura) 2 (2,2 0 -bpy)(H 2 O)] (1) and [Zn(m-dnbc) 2 ] (2), have been synthesized and characterized by X-ray diffraction and IR spectra. 1 is a quaternary Zn(II) complex with ZnN 2 O 3 configuration distorted square pyramid geometry; 2 is a Zn(II) coordination polymer with 1D double-helical chains bridged by 3,5-dinitrobenzoic acid.

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