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Acta Cryst. (2005). E61, i278-i279 [ doi:10.1107/S1600536805037037 ]
Abstract: Crystals of commercial iodic(V) acid, HIO3, were investigated using single-crystal and powder X-ray diffraction. The crystals turned out to be HI3O8 or HIO3·I2O5 [iodic acid-diiodine pentaoxide (1/1)] instead, whose structure has been determined previously [Feikema & Vos (1966). Acta Cryst. 20, 769-777]. Redetermination of the structure gave higher precision and allowed the location of the H atom.
Online 19 November 2005
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