Nd6Co2Sn crystallizes in the orthorhombic Immm space group. There are three inequivalent Nd sites. In the first Nd site, Nd(1) is bonded in a 4-coordinate geometry to one Co(1), one Co(2), one Sn(1), and one Sn(2) atom. In the second Nd site, Nd(2) is bonded in a 4-coordinate geometry to one Co(1), two equivalent Co(2), one Sn(1), and one Sn(2) atom. In the third Nd site, Nd(3) is bonded in a 4-coordinate geometry to one Co(2), two equivalent Co(1), and one Sn(1) atom. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded in a 8-coordinate geometry to two equivalent Nd(1), two equivalent Nd(2), and four equivalent Nd(3) atoms. In the second Co site, Co(2) is bonded in a 9-coordinate geometry to two equivalent Nd(1), two equivalent Nd(3), four equivalent Nd(2), and one Co(2) atom. There are two inequivalent Sn sites. In the first Sn site, Sn(1) is bonded in a cuboctahedral geometry to four equivalent Nd(1), four equivalent Nd(2), and four equivalent Nd(3) atoms. In the second Sn site, Sn(2) is bonded in a body-centered cubic geometry to four equivalent Nd(1) and four equivalent Nd(2) atoms.
Nd6Co2Sn crystallizes in the orthorhombic Immm space group. There are three inequivalent Nd sites. In the first Nd site, Nd(1) is bonded in a 4-coordinate geometry to one Co(1), one Co(2), one Sn(1), and one Sn(2) atom. The Nd(1)-Co(1) bond length is 2.82 Å. The Nd(1)-Co(2) bond length is 3.43 Å. The Nd(1)-Sn(1) bond length is 3.48 Å. The Nd(1)-Sn(2) bond length is 3.17 Å. In the second Nd site, Nd(2) is bonded in a 4-coordinate geometry to one Co(1), two equivalent Co(2), one Sn(1), and one Sn(2) atom. The Nd(2)-Co(1) bond length is 3.23 Å. Both Nd(2)-Co(2) bond lengths are 2.98 Å. The Nd(2)-Sn(1) bond length is 3.79 Å. The Nd(2)-Sn(2) bond length is 3.33 Å. In the third Nd site, Nd(3) is bonded in a 4-coordinate geometry to one Co(2), two equivalent Co(1), and one Sn(1) atom. The Nd(3)-Co(2) bond length is 2.85 Å. Both Nd(3)-Co(1) bond lengths are 2.97 Å. The Nd(3)-Sn(1) bond length is 3.52 Å. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded in a 8-coordinate geometry to two equivalent Nd(1), two equivalent Nd(2), and four equivalent Nd(3) atoms. In the second Co site, Co(2) is bonded in a 9-coordinate geometry to two equivalent Nd(1), two equivalent Nd(3), four equivalent Nd(2), and one Co(2) atom. The Co(2)-Co(2) bond length is 2.26 Å. There are two inequivalent Sn sites. In the first Sn site, Sn(1) is bonded in a cuboctahedral geometry to four equivalent Nd(1), four equivalent Nd(2), and four equivalent Nd(3) atoms. In the second Sn site, Sn(2) is bonded in a body-centered cubic geometry to four equivalent Nd(1) and four equivalent Nd(2) atoms.