TbNd(NiGe2)2 crystallizes in the orthorhombic Amm2 space group. Tb(1) is bonded in a 14-coordinate geometry to four equivalent Ni(1), two equivalent Ge(1), two equivalent Ge(2), two equivalent Ge(4), and four equivalent Ge(3) atoms. Nd(1) is bonded in a 14-coordinate geometry to four equivalent Ni(2), two equivalent Ge(1), two equivalent Ge(2), two equivalent Ge(3), and four equivalent Ge(4) atoms. There are two inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 5-coordinate geometry to four equivalent Tb(1), one Ge(3), two equivalent Ge(1), and two equivalent Ge(2) atoms. In the second Ni site, Ni(2) is bonded in a 5-coordinate geometry to four equivalent Nd(1), one Ge(4), two equivalent Ge(1), and two equivalent Ge(2) atoms. There are four inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 8-coordinate geometry to two equivalent Tb(1), two equivalent Nd(1), two equivalent Ni(1), and two equivalent Ni(2) atoms. In the second Ge site, Ge(2) is bonded in a 8-coordinate geometry to two equivalent Tb(1), two equivalent Nd(1), two equivalent Ni(1), and two equivalent Ni(2) atoms. In the third Ge site, Ge(3) is bonded in a 9-coordinate geometry to four equivalent Tb(1), two equivalent Nd(1), one Ni(1), and two equivalent Ge(4) atoms. In the fourth Ge site, Ge(4) is bonded in a 9-coordinate geometry to two equivalent Tb(1), four equivalent Nd(1), one Ni(2), and two equivalent Ge(3) atoms.
TbNd(NiGe2)2 crystallizes in the orthorhombic Amm2 space group. Tb(1) is bonded in a 14-coordinate geometry to four equivalent Ni(1), two equivalent Ge(1), two equivalent Ge(2), two equivalent Ge(4), and four equivalent Ge(3) atoms. All Tb(1)-Ni(1) bond lengths are 3.20 Å. Both Tb(1)-Ge(1) bond lengths are 3.17 Å. Both Tb(1)-Ge(2) bond lengths are 3.12 Å. Both Tb(1)-Ge(4) bond lengths are 3.25 Å. All Tb(1)-Ge(3) bond lengths are 3.16 Å. Nd(1) is bonded in a 14-coordinate geometry to four equivalent Ni(2), two equivalent Ge(1), two equivalent Ge(2), two equivalent Ge(3), and four equivalent Ge(4) atoms. All Nd(1)-Ni(2) bond lengths are 3.21 Å. Both Nd(1)-Ge(1) bond lengths are 3.16 Å. Both Nd(1)-Ge(2) bond lengths are 3.21 Å. Both Nd(1)-Ge(3) bond lengths are 3.26 Å. All Nd(1)-Ge(4) bond lengths are 3.17 Å. There are two inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 5-coordinate geometry to four equivalent Tb(1), one Ge(3), two equivalent Ge(1), and two equivalent Ge(2) atoms. The Ni(1)-Ge(3) bond length is 2.29 Å. Both Ni(1)-Ge(1) bond lengths are 2.40 Å. Both Ni(1)-Ge(2) bond lengths are 2.39 Å. In the second Ni site, Ni(2) is bonded in a 5-coordinate geometry to four equivalent Nd(1), one Ge(4), two equivalent Ge(1), and two equivalent Ge(2) atoms. The Ni(2)-Ge(4) bond length is 2.34 Å. Both Ni(2)-Ge(1) bond lengths are 2.40 Å. Both Ni(2)-Ge(2) bond lengths are 2.41 Å. There are four inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 8-coordinate geometry to two equivalent Tb(1), two equivalent Nd(1), two equivalent Ni(1), and two equivalent Ni(2) atoms. In the second Ge site, Ge(2) is bonded in a 8-coordinate geometry to two equivalent Tb(1), two equivalent Nd(1), two equivalent Ni(1), and two equivalent Ni(2) atoms. In the third Ge site, Ge(3) is bonded in a 9-coordinate geometry to four equivalent Tb(1), two equivalent Nd(1), one Ni(1), and two equivalent Ge(4) atoms. Both Ge(3)-Ge(4) bond lengths are 2.53 Å. In the fourth Ge site, Ge(4) is bonded in a 9-coordinate geometry to two equivalent Tb(1), four equivalent Nd(1), one Ni(2), and two equivalent Ge(3) atoms.