Acta Cryst. (2004). E60, m1208-m1209  [ doi:10.1107/S1600536804018628 ]

Bis[trans-2-(2-phenylethenyl)pyrazin-4-ium] tetrachlorozincate

X.-F. Shi, H.-M. Liu and W.-Q. Zhang

Abstract: The title compound, (C₁₂H₁₁N₂)₂[ZnCl₄], was prepared from Zn(OAc)₂·2H₂O and trans-2-(2-phenylethenyl)pyrazine in hydrochloric acid. The two trans-2-(2-phenylethenyl)pyrazin-4-ium cations combine with one ZnCl₄^2- anion through N-HCl hydrogen bonds and C-HCl interactions. The Zn²⁺ species is situated on a twofold symmetry axis.

Online 7 August 2004

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