Acta Cryst. (2012). E68, m1467
[ doi:10.1107/S1600536812045850 ]
Abstract: A trimethylphenylammonium salt of a dinuclear -oxalate complex of diperoxidomonomolybdate units, (C9H14N)2[Mo2(C2O4)(O2)4O2], was obtained from an acidic aqueous solution; the dianion is located about a centre of inversion. Each Mo atom bears two peroxide groups together with one O atom from the oxalate group in its equatorial positions and one terminal O atom as well as another O atom from the oxalate in axial positions. The oxalate group acts as a tetradentate bridging ligand and bridges between the diperoxidomolybdate units.
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