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

[EN] 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) Ø 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 materialsThis work was supported by the Spanish Ministerio de Economia y Competitividad (MINECO) and FEDER funds (CTQ2013-46275-P) and Generalitat Valenciana (PROMETEO/2012/049).Ortega-Villar, N.; Muñoz Roca, MDC.; Real, JA. (2016). Symmetry Breaking in Iron(II) Spin-Crossover Molecular Crystals. Magnetochemistry. 2(1):1-22. https://doi.org/10.3390/magnetochemistry20100161222