Acta Cryst. (2014). E70, m7-m8 [ doi:10.1107/S1600536813032649 ]
Abstract: In the title complex, (NH3OH)2[PtCl6]·2C12H24O6, the PtIV atom is coordinated by six chloride anions in a slightly distorted octahedral geometry. The Pt-Cl bond lengths are comparable to those reported for other hexachloridoplatinate(IV) species. The hydroxyammonium groups act as linkers between the [PtCl6]2- anion and the crown ether molecules. The anion is linked to two hydroxyammonium cations via O-HCl hydrogen bonds and each hydroxyammonium moiety is linked to a crown ether molecule by hydrogen bonds between ammonium H atoms and 18-crown-6 O atoms. The crown ether molecules have the classic crown shape in which all O atoms are located in the inner part of the crown ether ring and all -CH2- groups are turned to the outside.
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