La2CoSn4 crystallizes in the orthorhombic Amm2 space group. There are two inequivalent La sites. In the first La site, La(1) is bonded in a 11-coordinate geometry to one Co(1), two equivalent Sn(1), two equivalent Sn(3), two equivalent Sn(4), and four equivalent Sn(2) atoms. In the second La site, La(2) is bonded in a 14-coordinate geometry to four equivalent Co(1), two equivalent Sn(2), two equivalent Sn(3), two equivalent Sn(4), and four equivalent Sn(1) atoms. Co(1) is bonded in a 5-coordinate geometry to one La(1), four equivalent La(2), one Sn(1), two equivalent Sn(3), and two equivalent Sn(4) atoms. There are four inequivalent Sn sites. In the first Sn site, Sn(1) is bonded in a 9-coordinate geometry to two equivalent La(1), four equivalent La(2), one Co(1), and two equivalent Sn(2) atoms. In the second Sn site, Sn(2) is bonded in a 8-coordinate geometry to two equivalent La(2), four equivalent La(1), and two equivalent Sn(1) atoms. In the third Sn site, Sn(3) is bonded in a 6-coordinate geometry to two equivalent La(1), two equivalent La(2), and two equivalent Co(1) atoms. In the fourth Sn site, Sn(4) is bonded in a 6-coordinate geometry to two equivalent La(1), two equivalent La(2), and two equivalent Co(1) atoms.
La2CoSn4 crystallizes in the orthorhombic Amm2 space group. There are two inequivalent La sites. In the first La site, La(1) is bonded in a 11-coordinate geometry to one Co(1), two equivalent Sn(1), two equivalent Sn(3), two equivalent Sn(4), and four equivalent Sn(2) atoms. The La(1)-Co(1) bond length is 3.45 Å. Both La(1)-Sn(1) bond lengths are 3.50 Å. Both La(1)-Sn(3) bond lengths are 3.34 Å. Both La(1)-Sn(4) bond lengths are 3.34 Å. All La(1)-Sn(2) bond lengths are 3.34 Å. In the second La site, La(2) is bonded in a 14-coordinate geometry to four equivalent Co(1), two equivalent Sn(2), two equivalent Sn(3), two equivalent Sn(4), and four equivalent Sn(1) atoms. All La(2)-Co(1) bond lengths are 3.65 Å. Both La(2)-Sn(2) bond lengths are 3.67 Å. Both La(2)-Sn(3) bond lengths are 3.52 Å. Both La(2)-Sn(4) bond lengths are 3.52 Å. All La(2)-Sn(1) bond lengths are 3.39 Å. Co(1) is bonded in a 5-coordinate geometry to one La(1), four equivalent La(2), one Sn(1), two equivalent Sn(3), and two equivalent Sn(4) atoms. The Co(1)-Sn(1) bond length is 2.49 Å. Both Co(1)-Sn(3) bond lengths are 2.55 Å. Both Co(1)-Sn(4) bond lengths are 2.53 Å. There are four inequivalent Sn sites. In the first Sn site, Sn(1) is bonded in a 9-coordinate geometry to two equivalent La(1), four equivalent La(2), one Co(1), and two equivalent Sn(2) atoms. Both Sn(1)-Sn(2) bond lengths are 3.03 Å. In the second Sn site, Sn(2) is bonded in a 8-coordinate geometry to two equivalent La(2), four equivalent La(1), and two equivalent Sn(1) atoms. In the third Sn site, Sn(3) is bonded in a 6-coordinate geometry to two equivalent La(1), two equivalent La(2), and two equivalent Co(1) atoms. In the fourth Sn site, Sn(4) is bonded in a 6-coordinate geometry to two equivalent La(1), two equivalent La(2), and two equivalent Co(1) atoms.