Issue 6, 2011
From the journal:

New Journal of Chemistry

Thermal and pressure-induced spin crossover in a novel three-dimensional Hoffman-like clathrate complex†‡

Helena J. Shepherd,a   Carlos Bartual-Murgui,ab   Gábor Molnár,a   José Antonio Real,*b   M. Carmen Muñoz,c   Lionel Salmona  and  Azzedine Bousseksou*a  

* Corresponding authors

a Laboratoire de Chimie de Coordination, CNRS UPR-8241 and Université de Toulouse, UPS, INP, F-31077 Toulouse, France
E-mail: azzedine.bousseksou@lcc-toulouse.fr
Fax: 00 33 5 61 55 30 03
Tel: 00 33 5 61 33 31 53

b Instituto de Ciencia Molecular (ICMol), Universidad de Valencia, C/Catedrático José Beltrán Martínez, Valencia, Spain
E-mail: jose.a.real@uv.es

c Departamento de Física Aplicada, Universidad Politécnica de Valencia, Camino de Vera s/n, Valencia, Spain

Abstract

The synthesis and crystal structure of the interpenetrated metal–organic framework material Fe(bpac)2[Ag(CN)2]2 (bpac = 4,4′-bis(pyridyl)acetylene) are reported along with the characterization of its spin crossover properties by variable temperature magnetometry and Mössbauer spectroscopy. The complex presents an incomplete stepped spin transition as a function of temperature that is modified upon successive thermal cycling. The pressure-induced transition has also been investigated by means of high pressure Raman spectroscopy using a diamond anvil cell. The results show that it is possible to reach the thermally-inaccessible fully low spin state at room temperature by applying hydrostatic pressure to the sample.

Graphical abstract: Thermal and pressure-induced spin crossover in a novel three-dimensional Hoffman-like clathrate complex

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Article information

DOI
https://doi.org/10.1039/C0NJ00845A
Article type
Paper
Submitted
29 Oct 2010
Accepted
05 Dec 2010
First published
11 Jan 2011

New J. Chem., 2011,35, 1205-1210

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Thermal and pressure-induced spin crossover in a novel three-dimensional Hoffman-like clathrate complex

H. J. Shepherd, C. Bartual-Murgui, G. Molnár, J. A. Real, M. C. Muñoz, L. Salmon and A. Bousseksou, New J. Chem., 2011, 35, 1205 DOI: 10.1039/C0NJ00845A

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