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Figure 6
Polyhedra of the four environment types: (a) truncated tetrahedron, (b) truncated tetrahedron with the hexagonal planes capped by P4 tetrahedra, (c) all P4 tetrahedra of Type I, (d) all tetrahedra of Type II, (e) hexagonal antiprism with one edge missing of Type III and the hexagonal planes capped by P4 tetrahedra, (f) all P4 tetrahedra of Type III, (g) icosahedron, (h) icosahedron of Type IV with all P4 tetrahedra (Momma & Izumi, 2011BB26).

IUCrJ
Volume 10| Part 6| November 2023| Pages 766-771
ISSN: 2052-2525
https://doi.org/10.1107/S2052252523009247