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Figure 2 Polyhedral representation of the {HoO8} coordination environments, which resemble highly distorted bicapped trigonal prisms, for: (a) Ho1, (b) Ho2, (c) Ho3 and (d) Ho4. (e) Interconnection of the individual {HoO8} polyhedra along the [100] crystallographic direction leading to the formation of one-dimensional chains. For selected bond lengths (in Å) see the dedicated Table in the main paper. Symmetry codes used to generate equivalent atoms: (i) -x + 1, -y + 1, -z + 2; (ii) x-1/2, -y + , z-1/2; (iii) -x + 1, -y + 1, -z + 1; (iv) x-1/2, -y + , z+1/2; (v) -x + 2, -y + 1, -z + 2; (vi) x+1/2, -y + , z-1/2; (vii) -x + 2, -y + 1, -z + 1; (viii) x+1/2, -y + , z+1/2; (ix) x-1, y, z. |