MgYb2 crystallizes in the orthorhombic Cmcm space group. Mg(1) is bonded in a 10-coordinate geometry to ten equivalent Yb(1) atoms. Yb(1) is bonded to five equivalent Mg(1) and seven equivalent Yb(1) atoms to form a mixture of distorted corner, edge, and face-sharing YbYb7Mg5 cuboctahedra.
MgYb2 crystallizes in the orthorhombic Cmcm space group. Mg(1) is bonded in a 10-coordinate geometry to ten equivalent Yb(1) atoms. There are a spread of Mg(1)-Yb(1) bond distances ranging from 3.47-3.63 Å. Yb(1) is bonded to five equivalent Mg(1) and seven equivalent Yb(1) atoms to form a mixture of distorted corner, edge, and face-sharing YbYb7Mg5 cuboctahedra. There are a spread of Yb(1)-Yb(1) bond distances ranging from 3.42-3.67 Å.