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As the result of international collaboration the article of NIIC researchers Eugenia V. Peresypkina and Kira E. Vostrikova is published in Inorganic Chemistry (IF 4.794).
Substitution of the organic cation X in the 1D polymer, (X)2[Mn(acacen)Fe(CN)6] (acacen = N,N′-ethylenebis (acetylacetonylideneaminato), leads to an essential change in magnetic behavior. Due to the presence of more voluminous Ph4P+ cations, the polyanion has a more geometrically distorted chain skeleton and, as a consequence, enhanced single chain magnet (SCM) characteristics compared to those for Et4N+. The discussion is supported with ligand field calculations for [Fe(CN)6]3− that unveils the significant anisotropy of Fe magnetic moments in the case of (Ph4P)2[Mn(acacen)Fe(CN)6]. The obtained results represent an important contribution in the design of the quantum molecular magnets as well as the new examples single chain magnets to be modeled by the theoreticians.