Synthesis, crystal structure, and magnetic properties of a multicage compound: [(Me)2EtNH][Mn(N3)3] with a perovskite-related structure
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES(2019)
Abstract
A new multicage compound [(Me)(2)EtNH][Mn(N-3)(3)] (Me = methyl, Et = ethyl) with a perovskite-related structure has been synthesized. The manganese(II) cations are bridged by end-to-end (EE) azide anions to form three-dimensional cages with the N, N-dimethylethylammonium cations residing in the cavities of the [Mn(N-3)(3)](n)(n-) cages. The compound has been characterized by single-crystal X-ray diffraction, IR spectroscopy, elemental analysis, second-harmonic generation, and magnetic measurements. The second-harmonic generation results support its noncentrosymmetric polar crystal structure. Magnetic susceptibility measurements show antiferromagnetic interactions among the Mn-II ions.
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Key words
antiferromagnetism,azide bridges,manganese,perovskite-related structure
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