Abstract
Abstract
Crystals of KIO3 show the space-group symmetry P 1 at room temperature. The lattice constants being: a = 8.923 Å, b = 8.942 Å, c = 7.709 Å, α = 54.4° β = 125.3°, γ = 90.6°. In this structure, which belongs to the perowskite typ, two types of IO6-octahedral chains could be distinguished, the straight ones alternating with those which are somewhat twisted. This arrangement gives use to a pseudo-monoclinic symmetry, which becomes true if the crystals are heated to 72.5°C, the space group being Cm. At 212°C they transform to a rhombohedral modification possessing the space group R[unk].
Subject
Inorganic Chemistry,Condensed Matter Physics,General Materials Science
Cited by
23 articles.
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