Syntheses, structures, luminescence and magnetic properties of eleven coordination polymers constructed by a N,N′-sulfuryldiimidazole ligand

Reactions of divalent transition metal ions with the N,N'-sulfuryldiimidazole ligand (sdi) gave rise to eleven coordination polymers, namely, [Zn(sdi)(NO3)(2)(H2O)] (1), [Zn(sdi)(2)(NO3)(2)] (2), [Co(sdi)(2)(NO3)(2)] (3), [Cu(sdi)(2)(NO3)(2)]center dot 2CO(CH3)(2) (4), [Mn(sdi)(2)(H2O)(2)]center dot 2NO(3) (5), [Co(sdi)(2)(H2O)(2)]center dot 2ClO(4) (6), [Zn(sdi)(bdc)(0.5)(OCH3)(H2O)]center dot ClO4 center dot H2O (7), [Cd(sdi)(N-3)(2)] (8), (Mn(sdi)(N-3)(2)] (9), [Ni(sdi)(2)(SO4)] (10) and [Cd(sdi)(0.5)(Hbtc)(OCH3)] (11) (H(2)bdc = 1,4-benzenedicarboxylic acid, H(3)btc = 1,3,5-benzenetricarboxylic acid). X-ray single-crystal analyses reveal that they have rich structural chemistry ranging from zero-dimensional (0D) (1), one-dimensional (1D) (2-7), two-dimensional (2D) (8) to three-dimensional (3D) (9-11) networks. Compound 1 displays a 0D structure which consists of [Zn(sdi)](2) dimers. Compounds 2-7 possess 1D chains with closed loops. Compound 8 shows a 2D (6(3)) network. Compounds 9 and 10 exhibit 3D uninodal 6-connected pcu frameworks with (4(12).6(3)) topology. Compound 11 displays a 3D uninodal 4-connected framework with a CdSO4-like net (6(5).8). The effects of metal ions and anions on the final motifs of the compounds have been discussed in detail. All the compounds are characterized using powder X-ray diffraction (PXRD), IR spectroscopy, thermal stability analysis and elemental analyses. Moreover, the photoluminescence properties of 1, 2, 7, 8 and 11 have been investigated. Magnetic investigation of 9 reveals spin canting antiferromagnetic interactions.