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Title

Structure of cubic aluminate sodalite, Sr8[Al12O24](CrO4)2

Authors
Depmeier, Wulf
Published in Acta Crystallographica. C, Crystal Structure Communications. 1987, vol. 43, no. 12, p. 2251-2255
Abstract The title compd. is cubic, space group I.hivin.43m, with a 9.427(2) .ANG.; dc = 3.25 for Z = 1. The final R = 0.045 for 256 reflections. The at. coordinates are given. The sodalite framework is (almost) fully expanded, therefore space group Im.hivin.3m is also possible. The corresponding refinement gave results almost identical with that in I.hivin.43m (R = 0.048 for 149 reflections). The tetrahedral CrO4 cage anion is 6-fold disordered; only the superposition corresponds to cubic symmetry.
Keywords Crystal structure (of strontium aluminate chromate) structure aluminate sodalite crystal
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Project FNS: 1986
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DEPMEIER, Wulf et al. Structure of cubic aluminate sodalite, Sr8[Al12O24](CrO4)2. In: Acta Crystallographica. C, Crystal Structure Communications, 1987, vol. 43, n° 12, p. 2251-2255. https://archive-ouverte.unige.ch/unige:33105

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