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Figure 1
The relationship between the three settings of the monoclinic unit cell with respect to that of the trigonal phase of lead phosphate drawn out on the hexagonal R lattice. The circles are lattice points of the R lattice; empty circles at z = 1/3, filled circles at z = 2/3. The three shaded rectangles are the (100) faces of the monoclinic cells and are labelled to correspond to the transformation matrices given in the text.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 60| Part 1| January 2004| Pages 1-9
doi:10.1107/S0108768103026582
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