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RuC is Tungsten Carbide structured and crystallizes in the hexagonal P-6m2 space group. The structure is three-dimensional. Ru4+ is bonded to six equivalent C4- atoms to form a mixture of distorted corner, edge, and face-sharing RuC6 pentagonal pyramids. All Ru–C bond lengths are 2.16 Å. C4- is bonded to six equivalent Ru4+ atoms to form a mixture of distorted corner, edge, and face-sharing CRu6 pentagonal pyramids.
RuC is Halite, Rock Salt structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ru4+ is bonded to six equivalent C4- atoms to form a mixture of corner and edge-sharing RuC6 octahedra. The corner-sharing octahedral tilt angles are 0°. All Ru–C bond lengths are 2.16 Å. C4- is bonded to six equivalent Ru4+ atoms to form a mixture of corner and edge-sharing CRu6 octahedra. The corner-sharing octahedral tilt angles are 0°.
RuC is Zincblende, Sphalerite structured and crystallizes in the cubic F-43m space group. The structure is three-dimensional. Ru4+ is bonded to four equivalent C4- atoms to form corner-sharing RuC4 tetrahedra. All Ru–C bond lengths are 1.98 Å. C4- is bonded to four equivalent Ru4+ atoms to form corner-sharing CRu4 tetrahedra.