La2NiSn4 crystallizes in the orthorhombic Amm2 space group. There are two inequivalent La sites. In the first La site, La(1) is bonded in a 10-coordinate geometry to 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 Ni(1), two equivalent Sn(2), two equivalent Sn(3), two equivalent Sn(4), and four equivalent Sn(1) atoms. Ni(1) is bonded in a 5-coordinate geometry to 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 Ni(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 10-coordinate geometry to two equivalent La(1), two equivalent La(2), two equivalent Ni(1), and four equivalent Sn(4) atoms. In the fourth Sn site, Sn(4) is bonded in a 10-coordinate geometry to two equivalent La(1), two equivalent La(2), two equivalent Ni(1), and four equivalent Sn(3) atoms.
La2NiSn4 crystallizes in the orthorhombic Amm2 space group. There are two inequivalent La sites. In the first La site, La(1) is bonded in a 10-coordinate geometry to two equivalent Sn(1), two equivalent Sn(3), two equivalent Sn(4), and four equivalent Sn(2) atoms. Both La(1)-Sn(1) bond lengths are 3.57 Å. Both La(1)-Sn(3) bond lengths are 3.31 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 Ni(1), two equivalent Sn(2), two equivalent Sn(3), two equivalent Sn(4), and four equivalent Sn(1) atoms. All La(2)-Ni(1) bond lengths are 3.54 Å. Both La(2)-Sn(2) bond lengths are 3.66 Å. Both La(2)-Sn(3) bond lengths are 3.55 Å. Both La(2)-Sn(4) bond lengths are 3.53 Å. All La(2)-Sn(1) bond lengths are 3.37 Å. Ni(1) is bonded in a 5-coordinate geometry to four equivalent La(2), one Sn(1), two equivalent Sn(3), and two equivalent Sn(4) atoms. The Ni(1)-Sn(1) bond length is 2.50 Å. Both Ni(1)-Sn(3) bond lengths are 2.60 Å. Both Ni(1)-Sn(4) bond lengths are 2.57 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 Ni(1), and two equivalent Sn(2) atoms. Both Sn(1)-Sn(2) bond lengths are 2.92 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 10-coordinate geometry to two equivalent La(1), two equivalent La(2), two equivalent Ni(1), and four equivalent Sn(4) atoms. All Sn(3)-Sn(4) bond lengths are 3.21 Å. In the fourth Sn site, Sn(4) is bonded in a 10-coordinate geometry to two equivalent La(1), two equivalent La(2), two equivalent Ni(1), and four equivalent Sn(3) atoms.