Abstract
Five cadmium halides with N-donor ligands were synthesized under the hydrothermal conditions and characterized by X-ray single-crystal diffraction. The isostructural [CdX 2(2,2′-bpy)] (X = I 1, Br 2, bpy = bipyridine) ( 1) possess 3-D supramolecular network structures based on 1-D zigzag-type CdX 2 chains extended by bpy molecules via non-covalent C–H⋯X hydrogen-bonded interactions. The 3-D porous [CdBr 2(pip)] (pip = piperazine) ( 3) is formed through a linkage of 1-D zigzag-type CdBr 2 chains by pip bridges. The heteronuclear dimetal–iodo cluster [Cu(phen) 2CdI 4] (phen = phenanthroline) ( 4) consists of a trigonal bipyramidal Cu(II) center and a tetrahedral Cd(II) center linked by a μ 2–I bridge. The ionic [Co(dien) 2][CdI 4] (dien = diethylenetriamine) ( 5) comprises an octahedral CoN 6 2 + cation and a tetrahedral CdI 4 2 - anion.
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