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EuPb3 is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Eu is bonded to twelve equivalent Pb atoms to form a mixture of corner and face-sharing EuPb12 cuboctahedra. All Eu–Pb bond lengths are 3.51 Å. Pb is bonded in a distorted square co-planar geometry to four equivalent Eu atoms.
EuPb is Tetraauricupride structured and crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. Eu is bonded in a body-centered cubic geometry to eight equivalent Pb atoms. All Eu–Pb bond lengths are 3.46 Å. Pb is bonded in a body-centered cubic geometry to eight equivalent Eu atoms.