TaCoSn2 crystallizes in the cubic F-43m space group. Ta(1) is bonded in a distorted body-centered cubic geometry to four equivalent Co(1), four equivalent Sn(1), and six equivalent Sn(2) atoms. Co(1) is bonded in a distorted body-centered cubic geometry to four equivalent Ta(1) and four equivalent Sn(2) atoms. There are two inequivalent Sn sites. In the first Sn site, Sn(1) is bonded to four equivalent Ta(1) and four equivalent Sn(2) atoms to form distorted edge-sharing SnTa4Sn4 tetrahedra. In the second Sn site, Sn(2) is bonded in a 14-coordinate geometry to six equivalent Ta(1), four equivalent Co(1), and four equivalent Sn(1) atoms.
TaCoSn2 crystallizes in the cubic F-43m space group. Ta(1) is bonded in a distorted body-centered cubic geometry to four equivalent Co(1), four equivalent Sn(1), and six equivalent Sn(2) atoms. All Ta(1)-Co(1) bond lengths are 2.91 Å. All Ta(1)-Sn(1) bond lengths are 2.91 Å. All Ta(1)-Sn(2) bond lengths are 3.36 Å. Co(1) is bonded in a distorted body-centered cubic geometry to four equivalent Ta(1) and four equivalent Sn(2) atoms. All Co(1)-Sn(2) bond lengths are 2.91 Å. There are two inequivalent Sn sites. In the first Sn site, Sn(1) is bonded to four equivalent Ta(1) and four equivalent Sn(2) atoms to form distorted edge-sharing SnTa4Sn4 tetrahedra. All Sn(1)-Sn(2) bond lengths are 2.91 Å. In the second Sn site, Sn(2) is bonded in a 14-coordinate geometry to six equivalent Ta(1), four equivalent Co(1), and four equivalent Sn(1) atoms.