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The title compound, [Cd(H2O)6]2(C24H2O16S8)·H2O, the bis­[hexa­aqua­cadmium(II)] salt of the p-sulfonatothia­calix[4]arene tetra­anion, crystallizes as a hydrate; two symmetry-independent cations inter­act with the tetra­anion via their coordinated water mol­ecules. The Cd atoms and water O atom lie on special positions of site symmetry m and the complete calixarene anion is generated by mirror symmetry. The water mol­ecule is weakly associated with the calixarene cavity by way of long O—H...O hydrogen bonds.

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Mol­ecules of the title compound, C9H9BrO2, form a chain, via π–π stacking inter­actions, which runs along the a axis.

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Mol­ecules of the title compound, C17H16O4, form a chain along the c axis via π–π stacking inter­actions involving neighboring aromatic rings. The chains are linked through inter­molecular C—H...O hydrogen bonds, resulting in a zigzag packing arrangement.
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