Abstract
Five nickel coordination polymers, {[Ni(bismip)(2,2′-bipy)(H2O)]·H2O}n (1), {[Ni(bismip)(phen)]·3H2O}n (2), [Ni(bismip)(im)]n (3), {[Ni(bismip)(4,4′-bipy)(H2O)2]·3·5H2O}n (4) and {[Ni(bismip)(bpp)(H2O)]·H2O}n (5) (H2bismip=5-(1H-benzoimidazol-2-ylsulfanylmethyl)-isophthalic acid, 2,2′-bipy=2,2′-bipyridine, phen=1,10-phenanthroline, im=imidazole, 4,4′-bipy=4,4′-bipyridine, bpp=1,3-bis(4-pyridyl)propane) have been synthesized under solvothermal conditions. Compounds 1–5 have been structurally characterized by elemental analysis, IR spectroscopy, powder X-ray diffraction (PXRD) and single crystal X-ray diffraction analysis. 1–3 represent 3D supermolecules based on their respective 1D chains through hydrogen-bonding interactions. 4 reveals a 3D architecture composed of 2D regular grids through hydrogen-bonding interactions. 5 is a 3D framework with 2D undulating nets inclined polycatenation. Thermal stabilities and photocatalytic properties of 1–5 in the solid state were also investigated.
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