YbLa2S4 crystallizes in the tetragonal I-42d space group. Yb(1) is bonded to eight equivalent S(1) atoms to form distorted edge-sharing YbS8 hexagonal bipyramids. La(1) is bonded in a 8-coordinate geometry to eight equivalent S(1) atoms. S(1) is bonded to two equivalent Yb(1) and four equivalent La(1) atoms to form a mixture of distorted edge, face, and corner-sharing SLa4Yb2 octahedra. The corner-sharing octahedral tilt angles range from 18-50°.
YbLa2S4 crystallizes in the tetragonal I-42d space group. Yb(1) is bonded to eight equivalent S(1) atoms to form distorted edge-sharing YbS8 hexagonal bipyramids. There are four shorter (2.86 Å) and four longer (3.11 Å) Yb(1)-S(1) bond lengths. La(1) is bonded in a 8-coordinate geometry to eight equivalent S(1) atoms. There are a spread of La(1)-S(1) bond distances ranging from 2.89-3.16 Å. S(1) is bonded to two equivalent Yb(1) and four equivalent La(1) atoms to form a mixture of distorted edge, face, and corner-sharing SLa4Yb2 octahedra. The corner-sharing octahedral tilt angles range from 18-50°.