U3Pt3Sn4 crystallizes in the cubic I-43d space group. U(1) is bonded in a 12-coordinate geometry to four equivalent Pt(1) and eight equivalent Sn(1) atoms. Pt(1) is bonded in a 8-coordinate geometry to four equivalent U(1) and four equivalent Sn(1) atoms. Sn(1) is bonded in a 9-coordinate geometry to six equivalent U(1) and three equivalent Pt(1) atoms.
U3Pt3Sn4 crystallizes in the cubic I-43d space group. U(1) is bonded in a 12-coordinate geometry to four equivalent Pt(1) and eight equivalent Sn(1) atoms. All U(1)-Pt(1) bond lengths are 2.99 Å. There are four shorter (3.33 Å) and four longer (3.42 Å) U(1)-Sn(1) bond lengths. Pt(1) is bonded in a 8-coordinate geometry to four equivalent U(1) and four equivalent Sn(1) atoms. All Pt(1)-Sn(1) bond lengths are 2.75 Å. Sn(1) is bonded in a 9-coordinate geometry to six equivalent U(1) and three equivalent Pt(1) atoms.