Abstract
Two new 4f–3d heterometallic coordination polymers [Gd 2Co(L 1) 3(ox)(H 2O) 4]·2.5H 2O ( 1, L 1 = pyridine-2,5-dicarboxylate anion, ox = oxalate dianion) and [GdNi(L 2) 2(ox) 0.5(H 2O) 3]·3H 2O ( 2, L 2 = pyridine-2,3-dicarboxylate anion) were successfully synthesized under hydrothermal conditions. In compound 1, one dimensional heterometallic and lanthanide infinite sheets were constructed with sole L 1 spacers and L 1–ox mixed bridges, respectively. While similar one dimensional heterometallic infinite sheet and normal lanthanide infinite zigzag chain were formed based on sole L 2 and L 2–ox mixed bridges, respectively in compound 2. Both of the two compounds exhibited new and interesting three dimensional topologies. In addition, the magnetic properties of the two compounds were analyzed via solid-state dc magnetic susceptibility measurements.
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