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Solvent-Free Synthesis of a Pillared Three-Dimensional Coordination Polymer with Magnetic Ordering

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journal contribution
posted on 02.11.2015, 00:00 by Javier López-Cabrelles, Mónica Giménez-Marqués, Guillermo Mínguez Espallargas, Eugenio Coronado
A new magnetic coordination polymer, [Fe­(bipy)­(im)2] (bipy = 4,4-bipyridine and im = imidazole), has been synthesized in a solvent-free reaction. Structural analysis reveals a pillared 3D coordination polymer composed by neutral layers, formed by iron­(II) and imidazolate linkers, interconnected by bipy ligands which serve as pillars. Magnetic measurements show that the material magnetically orders at low temperatures (Tc = 14.5 K) as a weak ferromagnet, likely due to a spin canting.