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Figure 6
Projection along the ap direction of (a) P4W12O44 (m = 6) and (b) P4W14O50 (m = 7). In this type of section, segments (delimited by PO4 tetrahedra) always include m WO6 octahedra, whatever the parity of m. If an octahedron is tilted clockwise, the four neighbour octahedra are rotated counterclockwise.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 56| Part 3| June 2000| Pages 377-391
doi:10.1107/S0108768199016195
Follow Acta Cryst. B
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