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A family of copper(II)/manganese(II) new clusters with the formulas [CuIINaI(L2)(MeOH)(ClO4)] (1), [CuII2MnII(S,S-L3)2(MeOH)](ClO4)2 (2SS), [{CuIIMnII(L1)(H2O)2(MeOH)}{CuII(L1)}2](ClO4)2 (3), [(μ1,3-N3)2{CuIIMnII(L2)(H2O)}2{CuII(L2)2](ClO4)}2 (4) and [(μ1,1-N3)2{CuIIMnII(L1)(N3)}2{CuIINaI(L1)(MeOH)}2](ClO4)2 (5) with L1 = N,N'-ethylene-bis(3-methoxysalicylaldiimine), L2 = N,N'-ethylene-bis(3-ethoxysalicylaldiimine) and L3 =… Click to show full abstract
A family of copper(II)/manganese(II) new clusters with the formulas [CuIINaI(L2)(MeOH)(ClO4)] (1), [CuII2MnII(S,S-L3)2(MeOH)](ClO4)2 (2SS), [{CuIIMnII(L1)(H2O)2(MeOH)}{CuII(L1)}2](ClO4)2 (3), [(μ1,3-N3)2{CuIIMnII(L2)(H2O)}2{CuII(L2)2](ClO4)}2 (4) and [(μ1,1-N3)2{CuIIMnII(L1)(N3)}2{CuIINaI(L1)(MeOH)}2](ClO4)2 (5) with L1 = N,N'-ethylene-bis(3-methoxysalicylaldiimine), L2 = N,N'-ethylene-bis(3-ethoxysalicylaldiimine) and L3 = N,N'-cyclohexane-bis(3-ethoxysalicylaldiimine), has been synthesized, and structurally and magnetically characterized. Reduced magnetization studies demonstrate that the magnetic anisotropy of the systems is very small. However, dynamic magnetic studies and ultra-low-frequency Raman spectroscopy confirm the slow relaxation of these systems despite their quasi-isotropic nature, enlarging the range of non-anisotropic slow relaxing molecules.
Journal Title: Dalton transactions
Year Published: 2022
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