Acta Cryst. (2005). E61, m1478-m1480 [ doi:10.1107/S1600536805020866 ]
Abstract: The reaction of ferric sulfate with ethylenediamine in the presence of acid under hydrothermal conditions results in the title compound, (C2H10N2)2[FeIII(OH)(SO4)2](SO4)·H2O. The six-coordinate ferrate dianion participates in a 2-hydroxo-di-2-sulfate-bridged chain. The component species interact with each other by an extensive network of O-HO and N-HO hydrogen bonds. The two independent FeIII atoms lie on sites of symmetry.
Online 6 July 2005
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