We describe some copper(II) complexes with tridentate anionic Schiff bases, L–, derived from the monocondensation of some 5-substituted salicylaldehydes (5-G-salH, G = H, NO2 and OMe) with ethylenediamine (en) or 1,3-diaminopropane (tn). Mononuclear [CuL(py)]+, dinuclear [Cu2L2]2+ and trinuclear [Cu3L3(μ3-OH)]2+ compounds have been obtained, and factors affecting the nuclearity of complexes were investigated and found to depend on reaction conditions, the nature of G and the length of the diamine. The crystal structures of seven representative compounds have been determined. Magnetic studies on a dinuclear and a trinuclear species were also carried out, and the results were interpreted on the basis of the structural data and current superexchange models.

Copper(II) Complexes of Tridentate Schiff Bases of 5-Substituted Salicylaldehydes and Diamines – The Role of the Substituent and the Diamine in the Formation of Mono-, Di- and Trinuclear Species - Crystal Structures and Magnetic Properties / Rigamonti, Luca; Antonio, Cinti; Alessandra, Forni; Alessandro, Pasini; Olivo, Piovesana. - In: EUROPEAN JOURNAL OF INORGANIC CHEMISTRY. - ISSN 1434-1948. - ELETTRONICO. - 2008:23(2008), pp. 3633-3647. [10.1002/ejic.200800372]

Copper(II) Complexes of Tridentate Schiff Bases of 5-Substituted Salicylaldehydes and Diamines – The Role of the Substituent and the Diamine in the Formation of Mono-, Di- and Trinuclear Species - Crystal Structures and Magnetic Properties

RIGAMONTI, Luca;
2008

Abstract

We describe some copper(II) complexes with tridentate anionic Schiff bases, L–, derived from the monocondensation of some 5-substituted salicylaldehydes (5-G-salH, G = H, NO2 and OMe) with ethylenediamine (en) or 1,3-diaminopropane (tn). Mononuclear [CuL(py)]+, dinuclear [Cu2L2]2+ and trinuclear [Cu3L3(μ3-OH)]2+ compounds have been obtained, and factors affecting the nuclearity of complexes were investigated and found to depend on reaction conditions, the nature of G and the length of the diamine. The crystal structures of seven representative compounds have been determined. Magnetic studies on a dinuclear and a trinuclear species were also carried out, and the results were interpreted on the basis of the structural data and current superexchange models.
2008
23
3633
3647
Copper(II) Complexes of Tridentate Schiff Bases of 5-Substituted Salicylaldehydes and Diamines – The Role of the Substituent and the Diamine in the Formation of Mono-, Di- and Trinuclear Species - Crystal Structures and Magnetic Properties / Rigamonti, Luca; Antonio, Cinti; Alessandra, Forni; Alessandro, Pasini; Olivo, Piovesana. - In: EUROPEAN JOURNAL OF INORGANIC CHEMISTRY. - ISSN 1434-1948. - ELETTRONICO. - 2008:23(2008), pp. 3633-3647. [10.1002/ejic.200800372]
Rigamonti, Luca; Antonio, Cinti; Alessandra, Forni; Alessandro, Pasini; Olivo, Piovesana
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/940714
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