Design and construction of coordination polymers by 2,2′-dinitro-4,4′-biphenyldicarboxylate and imidazole-based ligands: diverse structures based on different metal ionsElectronic supplementary information (ESI) available: CCDC reference numbers 782708–782713for complexes 1–6. Structural information (Fig. S1–S5), PXRD (Fig. S6–S11) and crystallographic data in CIF. See DOI: 10.1039/c0ce00682c

Six coordination polymers, [Mn2(nbpdc)2(bib)]n(1), [Co2(nbpdc)2(bib)1.5(H2O)2]n(2), [Ni2(nbpdc)2(bib)1.5(H2O)2]n(3), [Cu3(nbpdc)2(bib)(OH)2]n(4), [Zn2(nbpdc)2(bib)]n(5), and [Cd2(nbpdc)2(bib)(H2O)]n(6), (H2nbpdc = 2,2′-dinitro-4,4′-biphenyldicarboxylic acid, bib = 1,4-bis(imidazol-1-yl)butane), have been prepared and structurally characterized. In these compounds, nbpdc and bib link different secondary building units (SBUs) to construct various architectures based on different metals. Compounds 1and 5present a 3D pcu net based on an infinite rod-shaped SBU. Compounds 2and 3have the same 2D double-layer structure with a unique {412.52.6} topology, showing an interesting self-penetration feature. Compound 4presents a 3D framework with hex topology. Compound 6shows a 3D framework with unprecedented (412.513.63)(48.55.62) topology based on two different unusual infinite and finite SBUs, and has an interesting self-penetrating feature. Therefore, different metal ions influence the final structures of coordination polymers. Magnetic properties of compounds 1and 4have been characterized. [ABSTRACT FROM AUTHOR]