Journal
INORGANIC CHEMISTRY
Volume 47, Issue 14, Pages 6458-6463Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ic800597w
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The synthesis, structure, and magnetic properties of a novel oxalate-based bimetallic magnet obtained by using the chiral (S)-trimethyl-(1-phenyl-ethyl)-ammonium, ((S)-[PhCH(CH3)N(CH3)(3)](+)), cation as template is reported. This compound can be formulated as [(S)-[PhCH(CH3)N(CH3)(3)]][Mn(CH3CN)(2/3)Cr(ox)(3)]center dot(CH3CN)_(solvate), and it crystallizes in the chiral trigonal space group P3. It shows a distorted two-dimensional honeycomb structure formed by Mn-II and Cr-III ions connected through oxalate anions with [(S)-[PhCH(CH3)N(CH3)(3)](+) cations and solvent molecules intercalated between the oxalate layers. Two-thirds of the Mn-II ions of the honeycomb anionic network are heptacoordinated. This compound behaves as a soft ferromagnet with an ordering temperature of 5.6 K.
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