U3Bi4 crystallizes in the cubic I-43d space group. U(1) is bonded to eight equivalent Bi(1) atoms to form a mixture of distorted face, corner, and edge-sharing UBi8 hexagonal bipyramids. Bi(1) is bonded to six equivalent U(1) atoms to form a mixture of distorted face, corner, and edge-sharing BiU6 octahedra. The corner-sharing octahedral tilt angles range from 15-51°.
U3Bi4 crystallizes in the cubic I-43d space group. U(1) is bonded to eight equivalent Bi(1) atoms to form a mixture of distorted face, corner, and edge-sharing UBi8 hexagonal bipyramids. There are four shorter (3.20 Å) and four longer (3.28 Å) U(1)-Bi(1) bond lengths. Bi(1) is bonded to six equivalent U(1) atoms to form a mixture of distorted face, corner, and edge-sharing BiU6 octahedra. The corner-sharing octahedral tilt angles range from 15-51°.