Helical templating of polyiodide networks at a binuclear metallo complexElectronic supplementary information (ESI) available: synthetic details, crystal data (CCDC 198624 and 198625 in CIF format) and views of the C–H⋯I and H⋯I interactions between I62– and I3– and the cationic component in 2. See http://www.rsc.org/suppdata/cc/b2/b211743f/.

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Abstract
A homobimetallic supramolecular helicate has been prepared from a new multimodal ligand, and used to template the formation of two polyiodide networks, one containing an unprecedented figure-of-eight polyiodide helix, the other dominated by peripheral C–H⋯I polyiodide chain interactions.