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Figure 6
Crystal structure stabilizing interactions in (a) β-ket and (b) α-ket marked as a light-blue line between the layers. The distance was measured between the average planes of the subsequent molecular layers perpendicular to the [010] direction.

IUCrJ
Volume 5| Part 6| November 2018| Pages 841-853
ISSN: 2052-2525
https://doi.org/10.1107/S2052252518013222