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Figure 1
Layer A, composed of chains of corner-sharing Al1O4 tetra­hedra (light grey; red in the electronic version of the paper) and chains of edge-sharing Al4O5 trigonal bipyramids (dark grey; yellow). Displacement ellipsoids are drawn at the 90% probability level.

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 68| Part 1| December 2012| Pages i1-i3
doi:10.1107/S0108270111054679
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