SHIT, Shyamapada; NANDY, Madhusudan; RIZZOLI, Corrado; DESPLANCHES, Cédric; MITRA, Samiran

doi:10.1007/s12039-016-1082-4

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SHIT, Shyamapada
Department of Chemistry

NANDY, Madhusudan
Department of Chemistry

RIZZOLI, Corrado
Dipartimento di Chimica Generale ed Inorganica, Chimica Analitica, Chimica Fisica, [GIAF]

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Journal of Chemical Sciences. 2016-06, vol. 128, n° 6, p. 913-920

Résumé en anglais

A new 1D polymeric copper(II) complex [{Cu(L)(CF3COO)}2]n has been synthesized using a potentially tetradentate Schiff base ligand, HL, ((E)-2-((pyridin-2-yl)methyleneamino)-5-chlorobenzoic acid) and characterized by different spectroscopic methods. Single crystal X-ray structural characterization reveals that the side arm carboxylate group of the coordinated Schiff base exhibits a μ 1,3-bridging mode and connects the neighbouring copper(II) ions leading to a zigzag 1D chain structure where the copper(II) ions display distorted square pyramidal geometries. Variable temperature magnetic susceptibility measurement reveals a weak antiferromagnetic exchange (J = −0.47 ± 0.01 cm−1) prevails between copper(II) ions in the chain mediated by the bridging carboxylate group, is also supported by the room temperature EPR spectral study. Electrochemical property of the complex is also reported.< Réduire

Mots clés en anglais

1D copper(II) polymer

Schiff base

crystal structure

electrochemistry

EPR

magnetic properties

1D copper(II) polymer

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Crystal structure, characterization and magnetic properties of a 1D copper(II) polymer incorporating a Schiff base with carboxylate side arm

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