Filling the gap in the metallacrown family : the 9-MC-3 chromium metallacrown
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Abstract
In this work, we report on a long-sought missing complex in the metallacrown family. We synthesized and characterized the novel chromium metallacrown (MC) complex {CrIII(μ2-piv)3[9-MCCr(III)N(shi)-3](morph)3}⋅MeOH (in which shi3−=salicyl hydroxamate, piv=pivalate, and morph=morpholine). The MC with a 9-MC-3 cavity of kinetically inert chromium(III) ions was synthesized by a solvothermal reaction. Magnetization measurements reveal a high spin ground state.
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Chemistry - a European journal, 27, 13, Wiley-VCH, Weinheim, 2021, https://doi.org/10.1002/chem.202004947