Abstract
New heterotrinuclear complexes [Cu2La(H2hamp)2(NO3)2H2O]NO3·6MeOH (1), [Cu2Pr(H2hamp)2(NO3)3]·6MeOH (2), [Cu2Nd(H2hamp)2(NO3)(MeOH)2](NO3)2·H2O (3) where H2hamp is the dideprotonated forms of the N,N′-bis(2,3-dihydroxybenzylidene)-1,3-diamino-2,2-dimethylpropane were obtained in the reaction of the Schiff base ligand with the respective salts of CuII and LnIII. The compounds 1–3 crystallize in the monoclinic space group P21/n. The X-ray structures of 1–3 show the central LnIII ion surrounded by two CuH2hamp units, so that LnIII and CuII ions are linked by phenoxido bridging groups. The compounds 1–3 are stable at room temperature and their decomposition processes proceed in the similar way. The temperature dependence of the magnetic susceptibility and the field-dependent magnetization indicated that the interaction between CuII and LnIII ions (Ln = Pr and Nd) is antiferromagnetic.
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