Bis(2-phenylbiguanidium) adipate tetrahydrate

In the title salt, 2C8H12N5 +·C6H8O4 2−·4H2O, the anion is located on a centre of symmetry. The observed supramolecular network of the crystal structure is produced by ten different hydrogen bonds of the N—H⋯N, N—H⋯O and O—H⋯O types. One additional O—H group is not connected to an acceptor site.

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