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Ti2RuRh crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Ti2RuRh ribbons oriented in the (1, 0, 0) direction. Ti is bonded in a linear geometry to one Ru and one Rh atom. The Ti–Ru bond length is 2.11 Å. The Ti–Rh bond length is 2.20 Å. Ru is bonded in a linear geometry to two equivalent Ti atoms. Rh is bonded in a linear geometry to two equivalent Ti atoms.
Ti2RuRh is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ti is bonded in a body-centered cubic geometry to four equivalent Ru and four equivalent Rh atoms. All Ti–Ru bond lengths are 2.68 Å. All Ti–Rh bond lengths are 2.68 Å. Ru is bonded in a body-centered cubic geometry to eight equivalent Ti atoms. Rh is bonded in a body-centered cubic geometry to eight equivalent Ti atoms.