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Structure and magnetic characterization of tetranuclear closed/double-open cubane core, and 1D polynuclear copper(II) complexes

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Three copper(II) complexes namely [Cu4(L1)4]·0.5(H2O) (1), [Cu4(L2)2(HL2)2(H2O)2](sq)·H2O (2) and {[Cu2(L2)2(tp)]·(H2O)}n (3) (H2L1 = [(E)-2-((1-hydroxybutan-2-ylimino)methyl)phenol], H2L2 = [(E)-2-((1-hydroxybutan-2-ylimino)methyl)-6-methoxyphenol], sq = squarate and tp = terephthalate ion) have been characterized by structure determination and magnetic analysis. Both 1 and 2 are tetranuclear Cu4O4 species with closed cubane core and double-open cubane like core structure, respectively. On the other hand complex 3 is a 1D polymeric chain, where Schiff base chelated dinuclear copper units are linked through terephthalate ions. C-H π interactions among the 1D polymeric chains form a 2D supramolecular architecture. Variable temperature magnetic property study indicates overall antiferromagnetic exchange coupling in all complexes

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Journal of Solid State Chemistry, 2019, vol. 271, p. 378-385

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Articles publicats en revistes (Química Inorgànica i Orgànica)

# metadata.dc.title[].value
Structure and magnetic characterization of tetranuclear closed/double-open cubane core, and 1D polynuclear copper(II) complexes