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YRh2Pb crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two YRh2Pb ribbons oriented in the (1, 0, 0) direction. Y is bonded in a linear geometry to two equivalent Rh atoms. Both Y–Rh bond lengths are 2.32 Å. Rh is bonded in a distorted linear geometry to one Y and one Pb atom. The Rh–Pb bond length is 2.59 Å. Pb is bonded in a linear geometry to two equivalent Rh atoms.
YRh2Pb is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Y is bonded in a distorted body-centered cubic geometry to eight equivalent Rh and six equivalent Pb atoms. All Y–Rh bond lengths are 2.93 Å. All Y–Pb bond lengths are 3.38 Å. Rh is bonded in a distorted body-centered cubic geometry to four equivalent Y and four equivalent Pb atoms. All Rh–Pb bond lengths are 2.93 Å. Pb is bonded in a 8-coordinate geometry to six equivalent Y and eight equivalent Rh atoms.