Solid-State and Solution FT-Raman Spectra of the Tetraiodine Dication I4 2+ |
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| Authors: | Scott Brownridge Jack Passmore Gabriele Schatte |
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| Institution: | Department of Chemistry , University of New Brunswick , Fredericton, New Brunswick, Canada , E3B 6E2 |
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| Abstract: | Abstract I4 2+ is the only known cyclic homopolyatomic cation or anion of iodine. It has a rectangular planar structure which may be thought of as containing two I2 + units joined by a weak π?-π? 4 centre 2 electron bond.1 In this paper we report our FT-Raman spectra of I4 2+, which conflict with those published by Gillespie et al. 1 and present evidence that the peaks attributed to a species containing iodine in the +1 oxidation state are in fact due to I4 2+. |
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