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Acta Cryst. (2013). E69, o1620
[ doi:10.1107/S1600536813027232 ]

3,14-Diethyl-2,13-di­aza-6,17-diazonia­tri­cyclo­[16.4.0.07,12]docosane dichloride tetra­hydrate from synchrotron radiation

D. Moon, M. A. Subhan and J.-H. Choi

Abstract: The asymmetric unit of title hydrated salt, C22H46N42+·2Cl-·4H2O, comprises half a centrosymmetric dication, one Cl- anion and two water mol­ecules of crystallization. The structure determination reveals that protonation has occurred at diagonally opposite amine N atoms, and that the dication features intra­molecular N-H...N hydrogen bonds. In the crystal, a three-dimensional artchitecture is formed by O-H...Cl/N and N-H...Cl/O hydrogen bonds.


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