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Figure 6
The variations of the Eu—O distances as a function of t limited to the 0–0.5 interval where PEu = 1. Each unlabelled curve is symmetry-related to a labelled curve through a vertical line crossing the horizontal axis at t = 1/4. The two corresponding O atoms are symmetry-related in the average structure by 2x. The uncertainties σ vary from 0.004 to 0.006 Å. Symmetry codes: (i) [-{1 \over 2} + x], -y, [-{1 \over 2} + z]; (ii) [{1 \over 2} - x], y, [{1 \over 2} - z]; (iv) −x, y, z; (vii) -x, [-{1 \over 2} + y], [{1 \over 2} - z].

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 55| Part 4| August 1999| Pages 467-483
doi:10.1107/S0108768199000452
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