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Figure 4
(a) Schematic for point group 4 (C4). (b) and (c) Transformation of the dipole moment in point group 4 (C4) viewed along different crystallographic directions. In (a)–(c), a = b ≠ c, α = β = γ = 90°. (d) Schematic for point group 6 (C6). (e) and (f) Transformation of the dipole moment in point group 6 (C6) viewed along different crystallographic directions. In (d)–(f), a = b ≠ c, α = β = 90°, γ = 120°.

IUCrJ
Volume 9| Part 4| July 2022| Pages 516-522
ISSN: 2052-2525
https://doi.org/10.1107/S2052252522006017