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Figure 3
(hk0) plane of TDP at 180 K. The superstructure reflections with h = 2n + 1 are much weaker than those that still preserve a high orthorhombic pseudosymmetry. The strong pseudosymmetry showed by the heavy atoms (see text) provokes the appearance of (pseudo)systematic absences. For example, in several reciprocal rows parallel to btric* one reflection out of four is absent.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 58| Part 5| September 2002| Pages 750-759
doi:10.1107/S0108768102010066
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