Issue 20, 2001
From the journal:

Journal of the Chemical Society, Dalton Transactions

Magnetostructural characterisation of two M–NCO–bpapolymers (M = Co, Mn and bpa = 1,2-bis(4-pyridyl)ethane)†

Margarita L. Hernández,a   M. Karmele Urtiaga,b   M. Gotzone Barandika,c   Roberto Cortés,*c   Luis Lezama,a   Noelia de la Pinta,c   M. Isabel Arriortuab  and  Teófilo Rojo*a  

* Corresponding authors

a Departamento de Química Inorgánica, Facultad de Ciencias, Universidad del País Vasco, Apdo. 644, Bilbao 48080, Spain
E-mail: qiproapt@lg.ehu.es

b Departamento de Mineralogía-Petrología, Facultad de Ciencias, Universidad del País Vasco, Apdo. 644, Bilbao 48080, Spain

c Departamento de Química Inorgánica, Facultad de Farmacia, Universidad del País Vasco, Apdo. 450, Vitoria 01080, Spain

Abstract

The combination of bpa with the pseudohalide cyanate (NCO−) leads to the preparation of two new isomorphous compounds exhibiting the formula [M(NCO)2(bpa)2]n·bpa where M = Co (1), Mn (2). Both of them have been magnetostructurally characterised by means of X-ray diffraction analysis, TG measurements, IR and ESR spectroscopies and measurements of the magnetic susceptibility. Both compounds consist of M–(gauche-bpa)2–M chains connected through H-bonds. The resulting network shows pseudo-channels (8.5 Å × 9.3 Å). The structure also exhibits anti-bpa groups performing as crystallisation molecules that are perpendicularly disposed to the pseudo-channels. Both compounds exhibit antiferromagnetic interactions through metallic centres.

Graphical abstract: Magnetostructural characterisation of two M–NCO–bpa polymers (M = Co, Mn and bpa = 1,2-bis(4-pyridyl)ethane)

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Article information

DOI
https://doi.org/10.1039/B101192H
Article type
Paper
Submitted
06 Feb 2001
Accepted
01 Aug 2001
First published
24 Sep 2001

J. Chem. Soc., Dalton Trans., 2001, 3010-3014

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Magnetostructural characterisation of two M–NCO–bpa polymers (M = Co, Mn and bpa = 1,2-bis(4-pyridyl)ethane)

M. L. Hernández, M. K. Urtiaga, M. G. Barandika, R. Cortés, L. Lezama, N. D. la Pinta, M. I. Arriortua and T. Rojo, J. Chem. Soc., Dalton Trans., 2001, 3010 DOI: 10.1039/B101192H

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