Abstract
The assembling of [Mn(5-MeOsalen)(H 2O)] + and [(PzTp)Fe(CN) 3] − yielded the zigzag chain [(PzTp)Fe(CN) 3Mn(5-MeOsalen)·CH 3CN] n ( 1) (PzTp − = tetrakis(pyrazolyl)borate, 5-MeOsalen 2− = N, N′-ethylenebis(5-methoxysalicylideneiminate)). Its intricate magnetic properties can be understood by corroboration of experimental data with the DFT magneto-structural analysis and the comparison with the related congener based on the simpler Tp ligand (Tp − = hydrotris(pyrazolyl)borate), having the same molecular and supramolecular topology. The system shows ferromagnetic Fe(III)–Mn(III) couplings along the cyanide bridges, a D < 0 zero field splitting (ZFS) parameter on Mn(III) and weak antiferromagnetic inter-chain coupling. The interplay of intra- vs inter-chain parameters determines subtle magnetic properties, such as a field induced tuning of the network magnetism.
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