BANERJEE, S.; SEN, Soma; BASAK, S.; MITRA, Samiran; HUGHES, David L.; DESPLANCHES, Cédric

doi:10.1016/j.ica.2008.01.020

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BANERJEE, S.
Department of Chemistry

SEN, Soma
Department of Chemistry

BASAK, S.
Department of Chemistry

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Inorganica Chimica Acta. 2008, vol. 361, n° 9-10, p. 2707-2714

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Résumé en anglais

Two new pseudohalide-bridged copper(II) complexes [{Cu(PBH)(μ1,1-CNO)}2] (1) and {Cu(PBH)(μ1,5-NCNCN)}n (2) (where HPBH = 2-pyridinecarboxaldehyde benzoyl hydrazone) have been synthesised and characterised by elemental analysis, CV, IR and UV–Vis spectral studies. The tridentate hydrazone pro-ligand (HPBH) was obtained by the condensation of benzhydrazide and pyridine-2-carboxaldehyde. Structures of both complexes have been established by X-ray crystallography which shows that 1 is a μ1,1-CNO−-bridged dimer whereas 2 is a μ1,5-dca-bridged (dca = dicyanamide) linear polynuclear structure. Variable temperature magnetic susceptibility studies indicate weak antiferromagnetic interactions with J values −0.50 cm−1 and −0.10 cm−1 for 1 and 2, respectively.< Réduire

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Two new pseudohalide-bridged Cu(II) complexes with a hydrazone ligand: syntheses, crystal structures and magnetic studies

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