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Magnetochemistry 2016, 2(1), 16; doi:10.3390/magnetochemistry2010016

Symmetry Breaking in Iron(II) Spin-Crossover Molecular Crystals

1
Facultad de Química (UNAM), Edificio B. Av. Universidad 3000, Coyoacán, 04510 México D.F., Mexico
2
Departamento de Física Aplicada, Universitat Politècnica de València, E-46022 Valencia, Spain
3
Instituto de Ciencia Molecular (ICMol), Universidad de Valencia, 46980 Valencia, Paterna, Spain
*
Author to whom correspondence should be addressed.
Academic Editor: Carlos J. Gómez García
Received: 12 January 2016 / Revised: 19 February 2016 / Accepted: 24 February 2016 / Published: 11 March 2016
(This article belongs to the Special Issue Spin Crossover (SCO) Research)
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Abstract

This review provides an up to date survey of a singular class of iron(II) spin crossover (SCO) molecular materials that undergo high-spin (HS) ↔ low-spin (LS) phase transitions accompanied by crystallographic symmetry breaking (CSB). Particular interest has been focused on a variety of complexes that exhibit one-step or stepwise SCO behavior and CSB. Most of them afford excellent examples of well-ordered 1HS-1LS, 2HS-1LS or 1HS-2LS intermediate phases (IP) and represent an important platform to disclose microscopic mechanisms responsible for cooperativity and ordering in such multistable materials. View Full-Text
Keywords: iron(II) complexes; spin crossover; symmetry breaking; crystal structure; magnetic behavior; mononuclear complexes; polynuclear complexes; coordination polymers iron(II) complexes; spin crossover; symmetry breaking; crystal structure; magnetic behavior; mononuclear complexes; polynuclear complexes; coordination polymers
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Ortega-Villar, N.; Muñoz, M.C.; Real, J.A. Symmetry Breaking in Iron(II) Spin-Crossover Molecular Crystals. Magnetochemistry 2016, 2, 16.

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