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Figure 2
Crystal structures for Tl2LiYCl6: (a) tetragonal (distorted elpasolite) at 296 K and (b) cubic at 537 K. This elpasolite is composed of alternating YCl6 (darker) and LiCl6 (lighter) octahedra with interspersed Tl atoms. For the room-temperature structure, note the tilting and distortion of the octahedral units. Anti-phase tilting around the c axis is observed in the tetragonal structure.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 54| Part 2| April 2021| Pages 604-611
https://doi.org/10.1107/S1600576721002065
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