A new two-dimensional (2D) thiocyanato-bridged cobalt(II) network formulated as [LCo2(NCS)(2)](n) (1), has been synthesized with the Schiff base ligand N,N'-bis(3-methoxysalicylidenimino)-1,3-diaminopropane (H2L) and thiocyanate anions. This novel layered compound has been completely characterized by elemental analysis, FT-IR, UV-Vis spectroscopy and the structure has been established by single crystal X-ray diffraction studies. The structure of 1 consists of a doubly phenoxo-bridged dimer comprising two different cobalt(II) centers with different coordination geometries (octahedral and tetrahedral). The 2D network is accomplished by bridging thiocyanate ligands, connecting the dimeric motifs in an end-to-end fashion. Variable-temperature magnetic susceptibility and EPR measurements reveal predominant antiferromagnetic exchange interaction in the complex.

Synthesis, structural aspects and magnetic properties of an unusual 2D thiocyanato-bridged cobalt(II)-Schiff base network / S., Thakurta; R. J., Butcher; C. J., GÓMEZ GARCÍA; Garribba, Eugenio; S., Mitra. - In: INORGANICA CHIMICA ACTA. - ISSN 0020-1693. - 363:(2010), pp. 3981-3986. [10.1016/j.ica.2010.07.069]

Synthesis, structural aspects and magnetic properties of an unusual 2D thiocyanato-bridged cobalt(II)-Schiff base network

GARRIBBA, Eugenio;
2010-01-01

Abstract

A new two-dimensional (2D) thiocyanato-bridged cobalt(II) network formulated as [LCo2(NCS)(2)](n) (1), has been synthesized with the Schiff base ligand N,N'-bis(3-methoxysalicylidenimino)-1,3-diaminopropane (H2L) and thiocyanate anions. This novel layered compound has been completely characterized by elemental analysis, FT-IR, UV-Vis spectroscopy and the structure has been established by single crystal X-ray diffraction studies. The structure of 1 consists of a doubly phenoxo-bridged dimer comprising two different cobalt(II) centers with different coordination geometries (octahedral and tetrahedral). The 2D network is accomplished by bridging thiocyanate ligands, connecting the dimeric motifs in an end-to-end fashion. Variable-temperature magnetic susceptibility and EPR measurements reveal predominant antiferromagnetic exchange interaction in the complex.
2010
Synthesis, structural aspects and magnetic properties of an unusual 2D thiocyanato-bridged cobalt(II)-Schiff base network / S., Thakurta; R. J., Butcher; C. J., GÓMEZ GARCÍA; Garribba, Eugenio; S., Mitra. - In: INORGANICA CHIMICA ACTA. - ISSN 0020-1693. - 363:(2010), pp. 3981-3986. [10.1016/j.ica.2010.07.069]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11388/81518
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