Materials Data on U3Ni3Sn4 by Materials Project
U3Ni3Sn4 crystallizes in the cubic I-43d space group. The structure is three-dimensional. U is bonded in a 12-coordinate geometry to four equivalent Ni and eight equivalent Sn atoms. All U–Ni bond lengths are 2.86 Å. There are four shorter (3.22 Å) and four longer (3.24 Å) U–Sn bond lengths. Ni is bonded in a 8-coordinate geometry to four equivalent U and four equivalent Sn atoms. All Ni–Sn bond lengths are 2.62 Å. Sn is bonded in a 9-coordinate geometry to six equivalent U and three equivalent Ni atoms.