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Updated: Jun 1, 2026

Preparation of Stable Bicyclic Aziridinium Ions and Their Ring-Opening for the Synthesis of Azaheterocycles
Published on: August 22, 2018
Piperazinediium tetra-chloridozincate(II)
Pamela A Sutherland1, William T A Harrison
1Department of Chemistry, University of Aberdeen, Meston Walk, Aberdeen AB24 3UE, Scotland.
Abstract:
In the title compound, (C(4)H(12)N(2))[ZnCl(4)], the Zn atom adopts a slightly distorted tetra-hedral geometry. In the crystal, the dication and dianion inter-act by way of N-H⋯Cl and N-H⋯(Cl,Cl) hydrogen bonds to result in a layered network propagating in (010). The hydrogen-bonding network is unbalanced, with three Cl atoms accepting two hydrogen bonds each and one Cl atom not accepting any hydrogen bonds: the latter shows the shortest Zn-Cl bond length. The crystal studied was found to be an inversion twin.
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