Pu5Pt3 crystallizes in the hexagonal P6_3/mcm space group. There are two inequivalent Pu sites. In the first Pu site, Pu(1) is bonded in a 5-coordinate geometry to five equivalent Pt(1) atoms. In the second Pu site, Pu(2) is bonded in a 6-coordinate geometry to six equivalent Pt(1) atoms. Pt(1) is bonded in a 9-coordinate geometry to four equivalent Pu(2) and five equivalent Pu(1) atoms.
Pu5Pt3 crystallizes in the hexagonal P6_3/mcm space group. There are two inequivalent Pu sites. In the first Pu site, Pu(1) is bonded in a 5-coordinate geometry to five equivalent Pt(1) atoms. There are a spread of Pu(1)-Pt(1) bond distances ranging from 2.93-3.23 Å. In the second Pu site, Pu(2) is bonded in a 6-coordinate geometry to six equivalent Pt(1) atoms. All Pu(2)-Pt(1) bond lengths are 3.03 Å. Pt(1) is bonded in a 9-coordinate geometry to four equivalent Pu(2) and five equivalent Pu(1) atoms.