Al2PbS4 crystallizes in the orthorhombic Cccm space group. Al(1) is bonded to two equivalent S(1) and two equivalent S(2) atoms to form edge-sharing AlS4 tetrahedra. Pb(1) is bonded in a 8-coordinate geometry to four equivalent S(1) and four equivalent S(2) atoms. There are two inequivalent S sites. In the first S site, S(1) is bonded in a distorted L-shaped geometry to two equivalent Al(1) and two equivalent Pb(1) atoms. In the second S site, S(2) is bonded in a distorted L-shaped geometry to two equivalent Al(1) and two equivalent Pb(1) atoms.
Al2PbS4 crystallizes in the orthorhombic Cccm space group. Al(1) is bonded to two equivalent S(1) and two equivalent S(2) atoms to form edge-sharing AlS4 tetrahedra. There is one shorter (2.24 Å) and one longer (2.28 Å) Al(1)-S(1) bond length. Both Al(1)-S(2) bond lengths are 2.26 Å. Pb(1) is bonded in a 8-coordinate geometry to four equivalent S(1) and four equivalent S(2) atoms. All Pb(1)-S(1) bond lengths are 3.11 Å. All Pb(1)-S(2) bond lengths are 3.15 Å. There are two inequivalent S sites. In the first S site, S(1) is bonded in a distorted L-shaped geometry to two equivalent Al(1) and two equivalent Pb(1) atoms. In the second S site, S(2) is bonded in a distorted L-shaped geometry to two equivalent Al(1) and two equivalent Pb(1) atoms.