Preferential azido bridging regulating the structural aspects in cobalt(III) and copper(II)-Schiff base complexes: Syntheses, magnetostructural correlations and catalytic studies

Aurkie Ray; Georgina M. Rosair; Guillaume Pilet; Bülent Dede; Carlos J. Gómez-García; Sandra Signorella; Sebastián Bellú; Samiran Mitra

doi:10.1016/j.ica.2011.04.008

Preferential azido bridging regulating the structural aspects in cobalt(III) and copper(II)-Schiff base complexes: Syntheses, magnetostructural correlations and catalytic studies

Aurkie Ray
, Georgina M. Rosair
, Guillaume Pilet
, Bülent Dede
, Carlos J. Gómez-García
, Sandra Signorella
, Sebastián Bellú
, Samiran Mitra

School of Engineering & Physical Sciences

Research output: Contribution to journal › Article › peer-review

43 Citations (Scopus)

Abstract

A tridentate NNO donor Schiff base ligand [(1Z,3E)-3-((pyridin-2-yl)methylimino)-1-phenylbut-1-en-1-ol = LH] in presence of azide ions coordinates with cobalt(II) and copper(II) ions giving rise to three new coordination complexes [Co₂(L)₂(µ_1,1-N₃)₂(N₃)₂] (1), [Cu₂(L)₂(µ_1,3-N₃)]·ClO₄ (2) and [(µ_1,1-N₃)₂Cu₅(µ-OL)₂(µ_1,1-N₃)₄(µ_1,1,1-N₃)₂]_n (3). The complexes have been characterized by elemental analysis, FT-IR, UV-Vis spectral studies, and single crystal X-ray diffraction studies. These complexes demonstrate that under different synthetic conditions the azide ions and the Schiff base ligand (LH) show different coordination modes with cobalt(II) and copper(II) ions, giving rise to unusual dinuclear and polynuclear species (1, 2 and 3) whose structural variations are discussed. Magneto-structural correlation for the very rare singly µ_1,3-N₃ bridged Cu^II-Schiff base dinuclear species (2) has been studied. In addition, the catalytic properties of 1 for alkene oxidation and the general catalase-like activity behavior of 2 have been discussed. © 2011 Elsevier B.V. All rights reserved.

Original language	English
Pages (from-to)	20-30
Number of pages	11
Journal	Inorganica Chimica Acta
Volume	375
Issue number	1
Early online date	9 Apr 2011
DOIs	https://doi.org/10.1016/j.ica.2011.04.008
Publication status	Published - 1 Sept 2011

Keywords

μ 1,1 -, μ 1,1,1 -, μ 1,3 -Azide
Alkene oxidation
Crystal structures
M = CoIII, CuII
Schiff base
VTM

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10.1016/j.ica.2011.04.008

Cite this

Ray, A., Rosair, G. M., Pilet, G., Dede, B., Gómez-García, C. J., Signorella, S., Bellú, S., & Mitra, S. (2011). Preferential azido bridging regulating the structural aspects in cobalt(III) and copper(II)-Schiff base complexes: Syntheses, magnetostructural correlations and catalytic studies. Inorganica Chimica Acta, 375(1), 20-30. https://doi.org/10.1016/j.ica.2011.04.008

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title = "Preferential azido bridging regulating the structural aspects in cobalt(III) and copper(II)-Schiff base complexes: Syntheses, magnetostructural correlations and catalytic studies",

abstract = "A tridentate NNO donor Schiff base ligand [(1Z,3E)-3-((pyridin-2-yl)methylimino)-1-phenylbut-1-en-1-ol = LH] in presence of azide ions coordinates with cobalt(II) and copper(II) ions giving rise to three new coordination complexes [Co2(L)2(µ1,1-N3)2(N3)2] (1), [Cu2(L)2(µ1,3-N3)]·ClO4 (2) and [(µ1,1-N3)2Cu5(µ-OL)2(µ1,1-N3)4(µ1,1,1-N3)2] n (3). The complexes have been characterized by elemental analysis, FT-IR, UV-Vis spectral studies, and single crystal X-ray diffraction studies. These complexes demonstrate that under different synthetic conditions the azide ions and the Schiff base ligand (LH) show different coordination modes with cobalt(II) and copper(II) ions, giving rise to unusual dinuclear and polynuclear species (1, 2 and 3) whose structural variations are discussed. Magneto-structural correlation for the very rare singly µ1,3-N3 bridged CuII-Schiff base dinuclear species (2) has been studied. In addition, the catalytic properties of 1 for alkene oxidation and the general catalase-like activity behavior of 2 have been discussed. {\textcopyright} 2011 Elsevier B.V. All rights reserved.",

keywords = "μ 1,1 -, μ 1,1,1 -, μ 1,3 -Azide, Alkene oxidation, Crystal structures, M = CoIII, CuII, Schiff base, VTM",

author = "Aurkie Ray and Rosair, \{Georgina M.\} and Guillaume Pilet and B{\"u}lent Dede and G{\'o}mez-Garc{\'i}a, \{Carlos J.\} and Sandra Signorella and Sebasti{\'a}n Bell{\'u} and Samiran Mitra",

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Ray, A, Rosair, GM, Pilet, G, Dede, B, Gómez-García, CJ, Signorella, S, Bellú, S & Mitra, S 2011, 'Preferential azido bridging regulating the structural aspects in cobalt(III) and copper(II)-Schiff base complexes: Syntheses, magnetostructural correlations and catalytic studies', Inorganica Chimica Acta, vol. 375, no. 1, pp. 20-30. https://doi.org/10.1016/j.ica.2011.04.008

Preferential azido bridging regulating the structural aspects in cobalt(III) and copper(II)-Schiff base complexes: Syntheses, magnetostructural correlations and catalytic studies. / Ray, Aurkie; Rosair, Georgina M.; Pilet, Guillaume et al.
In: Inorganica Chimica Acta, Vol. 375, No. 1, 01.09.2011, p. 20-30.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - Preferential azido bridging regulating the structural aspects in cobalt(III) and copper(II)-Schiff base complexes

T2 - Syntheses, magnetostructural correlations and catalytic studies

AU - Ray, Aurkie

AU - Rosair, Georgina M.

AU - Pilet, Guillaume

AU - Dede, Bülent

AU - Gómez-García, Carlos J.

AU - Signorella, Sandra

AU - Bellú, Sebastián

AU - Mitra, Samiran

PY - 2011/9/1

Y1 - 2011/9/1

N2 - A tridentate NNO donor Schiff base ligand [(1Z,3E)-3-((pyridin-2-yl)methylimino)-1-phenylbut-1-en-1-ol = LH] in presence of azide ions coordinates with cobalt(II) and copper(II) ions giving rise to three new coordination complexes [Co2(L)2(µ1,1-N3)2(N3)2] (1), [Cu2(L)2(µ1,3-N3)]·ClO4 (2) and [(µ1,1-N3)2Cu5(µ-OL)2(µ1,1-N3)4(µ1,1,1-N3)2] n (3). The complexes have been characterized by elemental analysis, FT-IR, UV-Vis spectral studies, and single crystal X-ray diffraction studies. These complexes demonstrate that under different synthetic conditions the azide ions and the Schiff base ligand (LH) show different coordination modes with cobalt(II) and copper(II) ions, giving rise to unusual dinuclear and polynuclear species (1, 2 and 3) whose structural variations are discussed. Magneto-structural correlation for the very rare singly µ1,3-N3 bridged CuII-Schiff base dinuclear species (2) has been studied. In addition, the catalytic properties of 1 for alkene oxidation and the general catalase-like activity behavior of 2 have been discussed. © 2011 Elsevier B.V. All rights reserved.

AB - A tridentate NNO donor Schiff base ligand [(1Z,3E)-3-((pyridin-2-yl)methylimino)-1-phenylbut-1-en-1-ol = LH] in presence of azide ions coordinates with cobalt(II) and copper(II) ions giving rise to three new coordination complexes [Co2(L)2(µ1,1-N3)2(N3)2] (1), [Cu2(L)2(µ1,3-N3)]·ClO4 (2) and [(µ1,1-N3)2Cu5(µ-OL)2(µ1,1-N3)4(µ1,1,1-N3)2] n (3). The complexes have been characterized by elemental analysis, FT-IR, UV-Vis spectral studies, and single crystal X-ray diffraction studies. These complexes demonstrate that under different synthetic conditions the azide ions and the Schiff base ligand (LH) show different coordination modes with cobalt(II) and copper(II) ions, giving rise to unusual dinuclear and polynuclear species (1, 2 and 3) whose structural variations are discussed. Magneto-structural correlation for the very rare singly µ1,3-N3 bridged CuII-Schiff base dinuclear species (2) has been studied. In addition, the catalytic properties of 1 for alkene oxidation and the general catalase-like activity behavior of 2 have been discussed. © 2011 Elsevier B.V. All rights reserved.

KW - μ 1,1 -, μ 1,1,1 -, μ 1,3 -Azide

KW - Alkene oxidation

KW - Crystal structures

KW - M = CoIII, CuII

KW - Schiff base

KW - VTM

U2 - 10.1016/j.ica.2011.04.008

DO - 10.1016/j.ica.2011.04.008

M3 - Article

SN - 0020-1693

VL - 375

SP - 20

EP - 30

JO - Inorganica Chimica Acta

JF - Inorganica Chimica Acta

IS - 1

ER -

Preferential azido bridging regulating the structural aspects in cobalt(III) and copper(II)-Schiff base complexes: Syntheses, magnetostructural correlations and catalytic studies

Abstract

Keywords

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