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Article dans une revue

New heterometallic coordination polymers constructed from 3d–3d′ binuclear nodes

Abstract :

Heterobinuclear [CuIIMnII] and [CuIICoII] cationic complexes can efficiently act as nodes for designing coordination polymers. The crystal structures of two binuclear precursors, [LCuCo(NO3)2] (1) and [LCuMn(NO3)2] (2), have been solved (L2− is the dianion of the Schiff base resulting from the 2 : 1 condensation of 3-methoxysalicyladehyde with 1,3-propanediamine). The nitrato ligands, coordinated to CoII and, respectively, the MnII ions from the precursors, are easily replaced by exo-dentate ligands, resulting in 1-D coordination polymers: 1∞[L(H2O)CuCo(oxy-bbz)]·CH3CN·C2H5OH (3), 1∞[L(H2O)CuCo(2,5-dhtp)]·CH3CN (5) and ∞[L(H2O)CuMn(ox)]·3H2O (6) (oxy-bbz2− = the dianion of 4,4′-oxy-bis(benzoic) acid; 2,5-dhtp2− = the dianion of 2,5-dihydroxy-terephthalic acid; ox2− = the dianion of the oxalic acid). In the case of the [CuMn] node, the interaction with oxy-bbz2− affords a binuclear complex, [LCuMn(oxy-bbz)(H2O)2] (4).

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https://hal.univ-angers.fr/hal-03027869
Contributeur : Okina Université d'Angers <>
Soumis le : vendredi 27 novembre 2020 - 12:38:05
Dernière modification le : samedi 28 novembre 2020 - 03:27:37

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Diana-G. Branzea, Augustin-M. Madalan, Samuele Ciattini, Narcis Avarvari, Andrea Caneschi, et al.. New heterometallic coordination polymers constructed from 3d–3d′ binuclear nodes. New Journal of Chemistry, Royal Society of Chemistry, 2010, 34 (11), pp.2479 - 2490. ⟨10.1039/c0nj00238k⟩. ⟨hal-03027869⟩

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