SmCuSb2 is Parent of FeAs superconductors-derived structured and crystallizes in the tetragonal P4/nmm space group. Sm(1) is bonded to four equivalent Cu(1), four equivalent Sb(1), and four equivalent Sb(2) atoms to form a mixture of face, corner, and edge-sharing SmCu4Sb8 cuboctahedra. Cu(1) is bonded in a 12-coordinate geometry to four equivalent Sm(1), four equivalent Cu(1), and four equivalent Sb(2) atoms. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded in a 8-coordinate geometry to four equivalent Sm(1) and four equivalent Sb(1) atoms. In the second Sb site, Sb(2) is bonded in a 8-coordinate geometry to four equivalent Sm(1) and four equivalent Cu(1) atoms.
SmCuSb2 is Parent of FeAs superconductors-derived structured and crystallizes in the tetragonal P4/nmm space group. Sm(1) is bonded to four equivalent Cu(1), four equivalent Sb(1), and four equivalent Sb(2) atoms to form a mixture of face, corner, and edge-sharing SmCu4Sb8 cuboctahedra. All Sm(1)-Cu(1) bond lengths are 3.33 Å. All Sm(1)-Sb(1) bond lengths are 3.30 Å. All Sm(1)-Sb(2) bond lengths are 3.22 Å. Cu(1) is bonded in a 12-coordinate geometry to four equivalent Sm(1), four equivalent Cu(1), and four equivalent Sb(2) atoms. All Cu(1)-Cu(1) bond lengths are 3.06 Å. All Cu(1)-Sb(2) bond lengths are 2.65 Å. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded in a 8-coordinate geometry to four equivalent Sm(1) and four equivalent Sb(1) atoms. All Sb(1)-Sb(1) bond lengths are 3.06 Å. In the second Sb site, Sb(2) is bonded in a 8-coordinate geometry to four equivalent Sm(1) and four equivalent Cu(1) atoms.