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Figure 6
Two possible models that generate a disordered structure with I4 symmetry. (a) Molecular point symmetry is increased from 2 to 4. There is a 50% occupancy at each site. (b) The molecule is disordered via a 90° rotation about [001]. The occupancy of each position is 25%.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 64| Part 3| May 2008| Pages 330-337
doi:10.1107/S0108768108010227
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