Abstract
Two new complexes, [Cu(Phen)(o-Hbza)(H2O)2][Cu(Phen)(o-Hbza)Cl]2(o-Hbza) (I) and [Cu(Phen)(H2O)(p-Hbza)Cl] H2O (II) (o-Hbza = o-hydroxybenzoic acid, p-Hbza = p-hydroxybenzoic acid, Phen = 1,10-phenanthroline), have been synthesized and characterized by single-crystal X-ray diffraction methods (CIF files CCDC nos. 975524 (I) and 975525 (II)), elemental analyses, IR spectroscopy, thermal analyses as well as magnetic measurements. Compound I is extended into 1D chains through hydrogen-bonding and further assembled into 2D supramolecular layers through π⋯π interactions. Compound II is pairwise aggregated to form H-bonded dimuclear motifs, which are held together by π⋯π interactions into 1D chains and further assembled into 2D supramolecular networks by O-H⋯Cl hydrogen bonds. The magnetic behaviors of I and II obey the Curie-Weiss law with χm = C/(T − θ) with the Curie constant C = 1.283(2) cm3 mol−1 K and the Weiss constant θ = 0.284(4) K for I, as well as C = 0.424(1) cm3 mol−1 K and θ = 0.040(4) K for II, indicating weak ferromagnetic interactions between the Cu2+ ions.
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