A 13-Membered Cyclic Tetraamine Salt: 12,12-Dimethyl-4,7,10-triaza-1-azoniacyclotridecane Perchlorate Hydrate

The mono-protonated cyclic tetraamine in the title compound, C₁₁H₂₇N₄⁺.ClO₄^-.H₂O, has the four N atoms in a tetrahedrally twisted [±0.13 (1) Å] square arrangement. The protonated atom N5 forms the only intracyclic hydrogen bond N5-H...N1; all other NH groups form hydrogen bonds to water or perchlorate O atoms.

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