Abstract
AbstractA new coordination polymer of the formula [Ni(NIT4py)2(ip)(H2O)]n(NIT4py = 2‐(4′‐pyridinyl)‐4,4,5,5‐tetramethylimidazoline‐1‐oxyl‐3‐oxide and ip = isophthalate dianion) has been synthesized and characterized by elemental analyses, IR spectrum, and single‐crystal X‐ray diffraction. The coordination about each Ni2+ ion is a distorted octahedra. Each isophthalate dianion binds two Ni2+ ions in monodentate‐bidentate mode, leading to a 1‐D chain. Among the chains, the coordinated water molecules and carboxylato oxygen atoms form hydrogen bonds, generating an infinite 1‐D ladder structure of a double‐chain. The magnetic study shows that the decrease of χMT value in the low temperature for the complex is mainly ascribed to the zero‐field splitting of the distorted octahedral Ni2+ ions.
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