SEN, Soma; MITRA, Samiran; HUGHES, David L.; ROSAIR, Georgina M.; DESPLANCHES, Cédric

doi:10.1016/j.ica.2007.05.034

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SEN, Soma
Department of Chemistry

MITRA, Samiran
Department of Chemistry

HUGHES, David L.
School of Chemical Sciences and Pharmacy

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Inorganica Chimica Acta. 2007, vol. 360,, n° 15, p. 4085-4092

Elsevier

Résumé en anglais

Two new dicyanamide bridged 1D polynuclear copper(II) complexes [Cu(L1){μ1,5-N(CN)2}]n (1) [L1H = C6H5C(O)NHNdouble bond; length as m-dashC(CH3)C5H4N] and [Cu(L2){μ1,5-N(CN)2}]n (2) [L2H=C6H5C(O)CHC(CH3)double bond; length as m-dashNCH2CH2N(CH3)2] have been synthesised and structures of both the complexes and their crystal packing arrangements have been established by X-ray crystallography. For complex 1, a tridentate hydrazone ligand (L1H) obtained by the condensation of benzhydrazide and 2-acetylpyridine is used, whereas a tridentate Schiff base (L2H) derived from benzoylacetone and 2-dimethylaminoethylamine is employed for the preparation of complex 2. Variable temperature magnetic susceptibility measurement studies indicate there are weak antiferromagnetic interactions with J values −0.10 and −1.41 cm−1 for 1 and 2, respectively.< Réduire

Mots clés en anglais

Copper(II) complexes

Dicyanamide bridging ligand

Crystal structures

Variable temperature magnetic studies

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Synthesis, crystal structures and magnetic studies of dicyanamide bridged two new 1D copper(II) complexes

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