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Be2PtZn crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two Be2PtZn ribbons oriented in the (1, 0, 0) direction. Be is bonded in a linear geometry to one Pt and one Zn atom. The Be–Pt bond length is 2.05 Å. The Be–Zn bond length is 2.26 Å. Pt is bonded in a linear geometry to two equivalent Be atoms. Zn is bonded in a linear geometry to two equivalent Be atoms.
BePt2Zn crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two BePt2Zn ribbons oriented in the (1, 0, 0) direction. Be2+ is bonded in a linear geometry to two equivalent Pt2- atoms. Both Be–Pt bond lengths are 2.04 Å. Pt2- is bonded in a linear geometry to one Be2+ and one Zn2+ atom. The Pt–Zn bond length is 2.46 Å. Zn2+ is bonded in a linear geometry to two equivalent Pt2- atoms.