doi:10.3390/cryst9060316engRodríguez-Velamazán, José AlbertoKitase, KosukePalacios, ElíasCastro, MiguelFernández-Blanco, ÁngelBurriel, RamónKitazawa, TakafumiStructural insights into the two-step spin-crossover compound Fe(3, 4-dimethyl-pyridine)2[Ag(CN)2]2ART-2019-115078The crystal structure of the polymeric spin crossover compound Fe(3, 4-dimethyl-pyridine)2[Ag(CN)2]2 has been solved and its temperature dependence followed by means of single-crystal and powder X-ray diffraction. This compound presents a two-step spin transition with relatively abrupt steps centred at ca. 170 K and 145 K and a plateau at around 155 K. The origin of the two-step transition is discussed in light of these structural studies. The observations are compatible with a mostly disordered state between the two steps, consisting of mixing of high-spin and low-spin species, while weak substructure reflections in the mixed phase could indicate some degree of long-range order of the high-spin and low-spin sites.2019http://zaguan.unizar.es/record/8638710.3390/cryst9060316http://zaguan.unizar.es/record/86387oai:zaguan.unizar.es:86387info:eu-repo/grantAgreement/ES/DGA/E11-17Rinfo:eu-repo/grantAgreement/ES/MICINN/MAT2017-86019-Rinfo:eu-repo/grantAgreement/ES/MINECO/MAT2015-68200-C2-2-PCrystals 9, 6 (2019), 316 [8 pp.]byhttp://creativecommons.org/licenses/by/3.0/es/info:eu-repo/semantics/openAccess