Ni3Pb2SeS crystallizes in the trigonal R3m space group. Ni(1) is bonded in a distorted linear geometry to two equivalent Pb(1), two equivalent Pb(2), one Se(1), and one S(1) atom. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a distorted hexagonal planar geometry to six equivalent Ni(1) atoms. In the second Pb site, Pb(2) is bonded to six equivalent Ni(1), one Se(1), and one S(1) atom to form distorted corner-sharing PbNi6SeS hexagonal bipyramids. Se(1) is bonded in a 3-coordinate geometry to three equivalent Ni(1) and one Pb(2) atom. S(1) is bonded in a 3-coordinate geometry to three equivalent Ni(1) and one Pb(2) atom.
Ni3Pb2SeS crystallizes in the trigonal R3m space group. Ni(1) is bonded in a distorted linear geometry to two equivalent Pb(1), two equivalent Pb(2), one Se(1), and one S(1) atom. There is one shorter (2.87 Å) and one longer (2.88 Å) Ni(1)-Pb(1) bond length. Both Ni(1)-Pb(2) bond lengths are 2.85 Å. The Ni(1)-Se(1) bond length is 2.31 Å. The Ni(1)-S(1) bond length is 2.16 Å. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a distorted hexagonal planar geometry to six equivalent Ni(1) atoms. In the second Pb site, Pb(2) is bonded to six equivalent Ni(1), one Se(1), and one S(1) atom to form distorted corner-sharing PbNi6SeS hexagonal bipyramids. The Pb(2)-Se(1) bond length is 3.17 Å. The Pb(2)-S(1) bond length is 3.22 Å. Se(1) is bonded in a 3-coordinate geometry to three equivalent Ni(1) and one Pb(2) atom. S(1) is bonded in a 3-coordinate geometry to three equivalent Ni(1) and one Pb(2) atom.