Acta Cryst. (2012). E68, o2714
[ doi:10.1107/S1600536812035234 ]

2,3,3-Trimethyl-1-[4-(2,3,3-trimethyl-3H-indol-1-ium-1-yl)butyl]-3H-indol-1-ium diiodide

D. Wu, L.-X. Shen, Y.-Y. Niu and S. W. Ng

Abstract: In the crystal of the title salt, C₂₆H₃₄N₂²⁺·2I^-, the dication lies on a center of inversion that exists along the mid-point of the butyl chain; its five-membered ring is approximately planar (r.m.s. deviation = 0.011 Å). In the crystal, the iodide anion is disordered over two positions in a 1:1 ratio.

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