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ScPd2Pb crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two ScPd2Pb ribbons oriented in the (1, 0, 0) direction. Sc is bonded in a linear geometry to two equivalent Pd atoms. Both Sc–Pd bond lengths are 2.28 Å. Pd is bonded in a linear geometry to one Sc and one Pb atom. The Pd–Pb bond length is 2.72 Å. Pb is bonded in a linear geometry to two equivalent Pd atoms.
ScPd2Pb is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Sc is bonded in a distorted body-centered cubic geometry to eight equivalent Pd and six equivalent Pb atoms. All Sc–Pd bond lengths are 2.90 Å. All Sc–Pb bond lengths are 3.35 Å. Pd is bonded in a distorted body-centered cubic geometry to four equivalent Sc and four equivalent Pb atoms. All Pd–Pb bond lengths are 2.90 Å. Pb is bonded in a 8-coordinate geometry to six equivalent Sc and eight equivalent Pd atoms.