|Infinite Polyiodide Chains in the Pyrroloperylene-Iodine Complex: Insights into the Starch-Iodine and Perylene-Iodine Complexes
|Year of Publication
|S. Madhu, H.A. Evans, V.T. Doan-Nguyen, J.G. Labram, G. Wu, M.L. Chabinyc, R. Seshadri, and F. Wudl
|ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
|conducting materials, perylenes, polyhalides, solid-state structures, X-ray diffraction
We report the preparation and X-ray crystallographic characterization of the first crystalline homoatomic polymer chain, which is part of a semiconducting pyrroloperylene-iodine complex. The crystal structure contains infinite polyiodide I-infinity(delta-). Interestingly, the structure of iodine within the insoluble, blue starch-iodine complex has long remained elusive, but has been speculated as having infinite chains of iodine. Close similarities in the low-wavenumber Raman spectra of the title compound and starch-iodine point to such infinite polyiodide chains in the latter as well.