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Figure 18
The complex structure of [C6H18N2]PbBr4 (1963067) (a) viewed down c, showing the complex C-mode tilt/distortion and effect of the unique Λ5 shift mode (note only the B and D layers are affected by this); (b) viewed down b, showing the effect of the common M5 mode. The result of these superposed shifts is that the A and C layers are perfectly eclipsed (DJ) relative to each other, but all direct neighbouring layers are nDJ2.

Volume 8| Part 4| July 2021| Pages 485-513
ISSN: 2052-2525