Abstract

Partial hydrolysis of a sample of [Mg(dme)3][Al(hfip)4]2 crystals led to the formation of the title complex, [Mg(dme)2{HOAl(hfip)2OAl(hfip)3}] (dme = di-meth-oxy-ethane and hfipH = hexa-fluoro-iso-propanol) or [Mg(C4H10O2)2O(OH)Al2(C3HF6O)5]. The magnesium cation exhibits a distorted octa-hedral coordination with two bidentate di-meth-oxy-ethane mol-ecules and a dinuclear aluminate anion, coordinated to Mg2+ via oxido and hydroxido units. The anion is an oxido-bridged species, [HOAl(hfip)2(μ-O)Al(hfip)3]2-, with one Al3+ cation tetra-hedrally coordinated by an oxido (O2-) anion, a hydroxido anion, and two hfip groups, whereas the second Al3+ cation is coordinated by the oxido anion and three hfip groups.

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