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ScHg2Zn crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two ScHg2Zn ribbons oriented in the (1, 0, 0) direction. Sc is bonded in a linear geometry to two equivalent Hg atoms. Both Sc–Hg bond lengths are 2.87 Å. Hg is bonded in a linear geometry to one Sc and one Zn atom. The Hg–Zn bond length is 2.72 Å. Zn is bonded in a linear geometry to two equivalent Hg atoms.
Sc2HgZn is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Sc is bonded in a body-centered cubic geometry to four equivalent Hg and four equivalent Zn atoms. All Sc–Hg bond lengths are 2.99 Å. All Sc–Zn bond lengths are 2.99 Å. Hg is bonded in a body-centered cubic geometry to eight equivalent Sc atoms. Zn is bonded in a body-centered cubic geometry to eight equivalent Sc atoms.
Sc2HgZn crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Sc2HgZn ribbons oriented in the (1, 0, 0) direction. Sc is bonded in a linear geometry to one Hg and one Zn atom. The Sc–Hg bond length is 2.89 Å. The Sc–Zn bond length is 2.84 Å. Hg is bonded in a linear geometry to two equivalent Sc atoms. Zn is bonded in a linear geometry to two equivalent Sc atoms.