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A four\u2010step spin crossover is observed in the new iron(II)\u2010based cyanometallic guest\u2010free framework compound Fe(2\u2010ethoxypyrazine)<jats:sub>2<\/jats:sub>{Ag(CN)<jats:sub>2<\/jats:sub>}<jats:sub>2<\/jats:sub> during the transition from the low\u2010spin to the high\u2010spin state. A reverse process occurs in three steps. Crystallographic studies reveal an associated stepwise evolution of the crystal structures. Multiple transitions in the reported complex originate from distinct Fe<jats:sup>II<\/jats:sup> sites which exist due to the packing of the ligand with a bulky substituent.<\/jats:p>","DOI":"10.1002\/chem.202200924","type":"journal-article","created":{"date-parts":[[2022,5,10]],"date-time":"2022-05-10T09:26:20Z","timestamp":1652174780000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Four\u2010Step Spin Crossover in a New Cyano\u2010Bridged Iron\u2010Silver Coordination Polymer"],"prefix":"10.1002","volume":"28","author":[{"given":"Olesia I.","family":"Kucheriv","sequence":"first","affiliation":[{"name":"Department of Chemistry Taras Shevchenko National University of Kyiv  Volodymyrska St. 64 Kyiv 01601 Ukraine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sergii I.","family":"Shylin","sequence":"additional","affiliation":[{"name":"Institute of Inorganic and Analytical Chemistry Johannes 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