Issue 20, 2010
From the journal:

Dalton Transactions

Manganeseclusters derived from a 2,6-diacetylpyridine dioximato ligand: structure and magnetic study†

Albert Escuer,*a   Beatriz Cordero,a   Mercé Font-Bardia,b   Teresa Calvet,b   Olivier Roubeau,c   Simon J. Teat,d   Serena Fedie  and  Fabrizia Fabrizi de Bianie  

* Corresponding authors

a Departament de Química Inorgànica and Institut de Nanociència i Nanotecnologia de la Universitat de Barcelona (IN2UB), Martí i Franqués 1-11, Spain
E-mail: albert.escuer@qi.ub.es
Fax: +34 93490 7725

b Departament de Mineralogia i Cristal·lografia, Universitat de Barcelona, Martí i Franqués s/n, Spain

c Instituto de Ciencia de Materiales de Aragón, CSIC-Universidad de Zaragoza, Pl., San Francisco s/n, Spain

d Advanced Light Source, Lawrence Berkeley National Lab., 1 Cyclotron road, Berkeley, CA-94720, USA

e Dipartimento di Chimica dell'Università di Siena, Via A. De Gasperi, 2, Italy

Abstract

Reactions of 2,6-diacetylpyridine dioxime (dapdoH2) with Mn(NO3)2 or Mn(SO3CF3)2 under a variety of conditions or co-ligands yield compounds with the formula [Mn6O2(OMe)2(dapdo)2(dapdoH)4](X)2 in which X = NO3− (1) or SO3CF3− (2), [Mn8O2(dapdo)6(NO3)2]·H2O (3) and [Mn(dapdoH2)(N3)2]n (4). Compounds 1, 3 and 4 were structurally characterized and equivalent structures for 1 and 2 were inferred from spectroscopic and analytical results. Compounds 1 and 2 consist of hexanuclear Mn2IIMn4III complexes whereas 3 consists of an octanuclear Mn6IIMn2III cluster in which the manganese atoms exhibit a rare bicapped elongated octahedral topology. Compound 4 consists of a 1D system bridged by double end-on azido ligands. Variable temperature magnetic studies were performed between 2–300 K, confirming the ground state S = 5 for 1 and 2, S = 0 for 3 and ferromagnetic response for 4.

Graphical abstract: Manganese clusters derived from a 2,6-diacetylpyridine dioximato ligand: structure and magnetic study

About
Cited by
Related
Download options Please wait...

Supplementary files

Article information

DOI
https://doi.org/10.1039/B924977J
Article type
Paper
Submitted
27 Nov 2009
Accepted
04 Feb 2010
First published
08 Mar 2010

Dalton Trans., 2010,39, 4817-4825

Permissions

Request permissions

Manganese clusters derived from a 2,6-diacetylpyridine dioximato ligand: structure and magnetic study

A. Escuer, B. Cordero, M. Font-Bardia, T. Calvet, O. Roubeau, S. J. Teat, S. Fedi and F. Fabrizi de Biani, Dalton Trans., 2010, 39, 4817 DOI: 10.1039/B924977J

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements