Guest-tuned spin crossover in flexible supramolecular assemblies templated by a halide (Cl−, Br− or I−)

M. D. Darawsheh; L. A. Barrios; O. Roubeau; S. J. Teat; G. Aromí

doi:10.1039/C6CC08906B

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Guest-tuned spin crossover in flexible supramolecular assemblies templated by a halide (Cl⁻, Br⁻ or I⁻)†

M. D. Darawsheh,^a L. A. Barrios,^a O. Roubeau,

^b S. J. Teat^c and G. Aromí

*^a

Author affiliations

* Corresponding authors

^a Departament de Química Inorgànica and IN2UB, Universitat de Barcelona, Diagonal 645, 08028 Barcelona, Spain
E-mail: guillem.aromi.qi.ub.es
Tel: +34 934039760

^b Instituto de Ciencia de Materiales de Aragón (ICMA), CSIC and Universidad de Zaragoza, Plaza San Francisco s/n, Zaragoza, Spain

^c Advanced Light Source, Berkeley Laboratory, 1 Cyclotron Road, Berkeley, California 94720, USA

Abstract

Ligand 1,3-bis(3-(pyridin-2-yl)-1H-pyrazol-5-yl)benzene, L, forms mononuclear spin crossover complexes [FeL₃]²⁺ with pendant arms that cause them to dimerize through numerous intermolecular interactions forming supramolecular (X@[FeL₃]₂)³⁺ cations. They have the flexibility to encapsulate Cl⁻, Br⁻ or I⁻, which allow tuning the magnetic properties, in the solid state and in solution.

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Article information

DOI: https://doi.org/10.1039/C6CC08906B
Article type: Communication
Submitted: 07 Nov 2016
Accepted: 05 Dec 2016
First published: 05 Dec 2016

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Chem. Commun., 2017,53, 569-572

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Guest-tuned spin crossover in flexible supramolecular assemblies templated by a halide (Cl⁻, Br⁻ or I⁻)

M. D. Darawsheh, L. A. Barrios, O. Roubeau, S. J. Teat and G. Aromí, Chem. Commun., 2017, 53, 569 DOI: 10.1039/C6CC08906B

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