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ThRu crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Th is bonded in a 5-coordinate geometry to seven equivalent Ru atoms. There are a spread of Th–Ru bond distances ranging from 2.84–3.31 Å. Ru is bonded in a 5-coordinate geometry to seven equivalent Th and two equivalent Ru atoms. Both Ru–Ru bond lengths are 2.95 Å.
Th7Ru3 crystallizes in the hexagonal P6_3mc space group. The structure is three-dimensional. there are three inequivalent Th sites. In the first Th site, Th is bonded in a distorted water-like geometry to two equivalent Ru atoms. Both Th–Ru bond lengths are 2.85 Å. In the second Th site, Th is bonded in a 3-coordinate geometry to three equivalent Ru atoms. There are two shorter (2.86 Å) and one longer (3.06 Å) Th–Ru bond lengths. In the third Th site, Th is bonded in a 3-coordinate geometry to three equivalent Ru atoms. All Th–Ru bond lengths are 2.97 Å. Ru is bonded in a 6-coordinate geometry to six Th atoms.
ThRu2 is Cubic Laves structured and crystallizes in the cubic Fd-3m space group. The structure is three-dimensional. Th is bonded in a 12-coordinate geometry to twelve equivalent Ru atoms. All Th–Ru bond lengths are 3.19 Å. Ru is bonded to six equivalent Th and six equivalent Ru atoms to form a mixture of corner, edge, and face-sharing RuTh6Ru6 cuboctahedra. All Ru–Ru bond lengths are 2.72 Å.