La11Ni4Ge6 crystallizes in the monoclinic Cm space group. There are eleven inequivalent La sites. In the first La site, La(1) is bonded in a 6-coordinate geometry to one Ni(2), one Ge(3), two equivalent Ge(4), and two equivalent Ge(5) atoms. In the second La site, La(2) is bonded in a 7-coordinate geometry to one Ni(1), two equivalent Ni(4), two equivalent Ge(2), and two equivalent Ge(6) atoms. In the third La site, La(3) is bonded in a 6-coordinate geometry to one Ni(3), one Ge(4), two equivalent Ge(1), and two equivalent Ge(3) atoms. In the fourth La site, La(4) is bonded in a 8-coordinate geometry to two equivalent Ni(2), two equivalent Ni(3), one Ge(1), one Ge(3), one Ge(4), and one Ge(5) atom. In the fifth La site, La(5) is bonded in a 7-coordinate geometry to one Ni(4), two equivalent Ni(1), one Ge(5), one Ge(6), and two equivalent Ge(3) atoms. In the sixth La site, La(6) is bonded in a 8-coordinate geometry to two equivalent Ni(2), two equivalent Ni(3), one Ge(1), one Ge(2), one Ge(4), and one Ge(6) atom. In the seventh La site, La(7) is bonded in a square co-planar geometry to two equivalent Ge(5) and two equivalent Ge(6) atoms. In the eighth La site, La(8) is bonded in a 7-coordinate geometry to one Ni(4), two equivalent Ni(1), two equivalent Ge(3), and two equivalent Ge(5) atoms. In the ninth La site, La(9) is bonded in a 6-coordinate geometry to one Ni(2), one Ge(1), two equivalent Ge(2), and two equivalent Ge(4) atoms. In the tenth La site, La(10) is bonded in a 7-coordinate geometry to one Ni(1), two equivalent Ni(4), one Ge(5), one Ge(6), and two equivalent Ge(2) atoms. In the eleventh La site, La(11) is bonded in a 6-coordinate geometry to one Ni(3), one Ge(2), two equivalent Ge(1), and two equivalent Ge(6) atoms. There are four inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 9-coordinate geometry to one La(10), one La(2), two equivalent La(5), two equivalent La(8), two equivalent Ni(4), and one Ge(3) atom. In the second Ni site, Ni(2) is bonded in a 9-coordinate geometry to one La(1), one La(9), two equivalent La(4), two equivalent La(6), one Ni(3), and two equivalent Ge(4) atoms. In the third Ni site, Ni(3) is bonded in a 9-coordinate geometry to one La(11), one La(3), two equivalent La(4), two equivalent La(6), one Ni(2), and two equivalent Ge(1) atoms. In the fourth Ni site, Ni(4) is bonded in a 9-coordinate geometry to one La(5), one La(8), two equivalent La(10), two equivalent La(2), two equivalent Ni(1), and one Ge(2) atom. There are six inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to one La(4), one La(6), one La(9), two equivalent La(11), two equivalent La(3), and two equivalent Ni(3) atoms. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to one La(11), one La(6), two equivalent La(10), two equivalent La(2), two equivalent La(9), and one Ni(4) atom. In the third Ge site, Ge(3) is bonded in a 9-coordinate geometry to one La(1), one La(4), two equivalent La(3), two equivalent La(5), two equivalent La(8), and one Ni(1) atom. In the fourth Ge site, Ge(4) is bonded in a 9-coordinate geometry to one La(3), one La(4), one La(6), two equivalent La(1), two equivalent La(9), and two equivalent Ni(2) atoms. In the fifth Ge site, Ge(5) is bonded in a 9-coordinate geometry to one La(10), one La(4), one La(5), two equivalent La(1), two equivalent La(7), and two equivalent La(8) atoms. In the sixth Ge site, Ge(6) is bonded in a 9-coordinate geometry to one La(10), one La(5), one La(6), two equivalent La(11), two equivalent La(2), and two equivalent La(7) atoms.
La11Ni4Ge6 crystallizes in the monoclinic Cm space group. There are eleven inequivalent La sites. In the first La site, La(1) is bonded in a 6-coordinate geometry to one Ni(2), one Ge(3), two equivalent Ge(4), and two equivalent Ge(5) atoms. The La(1)-Ni(2) bond length is 2.98 Å. The La(1)-Ge(3) bond length is 3.30 Å. Both La(1)-Ge(4) bond lengths are 3.18 Å. Both La(1)-Ge(5) bond lengths are 3.24 Å. In the second La site, La(2) is bonded in a 7-coordinate geometry to one Ni(1), two equivalent Ni(4), two equivalent Ge(2), and two equivalent Ge(6) atoms. The La(2)-Ni(1) bond length is 2.94 Å. Both La(2)-Ni(4) bond lengths are 3.02 Å. Both La(2)-Ge(2) bond lengths are 3.27 Å. Both La(2)-Ge(6) bond lengths are 3.34 Å. In the third La site, La(3) is bonded in a 6-coordinate geometry to one Ni(3), one Ge(4), two equivalent Ge(1), and two equivalent Ge(3) atoms. The La(3)-Ni(3) bond length is 2.95 Å. The La(3)-Ge(4) bond length is 3.28 Å. Both La(3)-Ge(1) bond lengths are 3.17 Å. Both La(3)-Ge(3) bond lengths are 3.18 Å. In the fourth La site, La(4) is bonded in a 8-coordinate geometry to two equivalent Ni(2), two equivalent Ni(3), one Ge(1), one Ge(3), one Ge(4), and one Ge(5) atom. Both La(4)-Ni(2) bond lengths are 3.07 Å. Both La(4)-Ni(3) bond lengths are 3.12 Å. The La(4)-Ge(1) bond length is 3.23 Å. The La(4)-Ge(3) bond length is 3.62 Å. The La(4)-Ge(4) bond length is 3.08 Å. The La(4)-Ge(5) bond length is 3.45 Å. In the fifth La site, La(5) is bonded in a 7-coordinate geometry to one Ni(4), two equivalent Ni(1), one Ge(5), one Ge(6), and two equivalent Ge(3) atoms. The La(5)-Ni(4) bond length is 2.96 Å. Both La(5)-Ni(1) bond lengths are 2.89 Å. The La(5)-Ge(5) bond length is 3.58 Å. The La(5)-Ge(6) bond length is 3.81 Å. Both La(5)-Ge(3) bond lengths are 3.17 Å. In the sixth La site, La(6) is bonded in a 8-coordinate geometry to two equivalent Ni(2), two equivalent Ni(3), one Ge(1), one Ge(2), one Ge(4), and one Ge(6) atom. Both La(6)-Ni(2) bond lengths are 3.14 Å. Both La(6)-Ni(3) bond lengths are 3.02 Å. The La(6)-Ge(1) bond length is 3.08 Å. The La(6)-Ge(2) bond length is 3.62 Å. The La(6)-Ge(4) bond length is 3.23 Å. The La(6)-Ge(6) bond length is 3.45 Å. In the seventh La site, La(7) is bonded in a square co-planar geometry to two equivalent Ge(5) and two equivalent Ge(6) atoms. Both La(7)-Ge(5) bond lengths are 3.13 Å. Both La(7)-Ge(6) bond lengths are 3.13 Å. In the eighth La site, La(8) is bonded in a 7-coordinate geometry to one Ni(4), two equivalent Ni(1), two equivalent Ge(3), and two equivalent Ge(5) atoms. The La(8)-Ni(4) bond length is 2.94 Å. Both La(8)-Ni(1) bond lengths are 3.02 Å. Both La(8)-Ge(3) bond lengths are 3.27 Å. Both La(8)-Ge(5) bond lengths are 3.34 Å. In the ninth La site, La(9) is bonded in a 6-coordinate geometry to one Ni(2), one Ge(1), two equivalent Ge(2), and two equivalent Ge(4) atoms. The La(9)-Ni(2) bond length is 2.86 Å. The La(9)-Ge(1) bond length is 3.28 Å. Both La(9)-Ge(2) bond lengths are 3.18 Å. Both La(9)-Ge(4) bond lengths are 3.17 Å. In the tenth La site, La(10) is bonded in a 7-coordinate geometry to one Ni(1), two equivalent Ni(4), one Ge(5), one Ge(6), and two equivalent Ge(2) atoms. The La(10)-Ni(1) bond length is 2.96 Å. Both La(10)-Ni(4) bond lengths are 2.89 Å. The La(10)-Ge(5) bond length is 3.81 Å. The La(10)-Ge(6) bond length is 3.58 Å. Both La(10)-Ge(2) bond lengths are 3.17 Å. In the eleventh La site, La(11) is bonded in a 6-coordinate geometry to one Ni(3), one Ge(2), two equivalent Ge(1), and two equivalent Ge(6) atoms. The La(11)-Ni(3) bond length is 2.97 Å. The La(11)-Ge(2) bond length is 3.40 Å. Both La(11)-Ge(1) bond lengths are 3.18 Å. Both La(11)-Ge(6) bond lengths are 3.19 Å. There are four inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 9-coordinate geometry to one La(10), one La(2), two equivalent La(5), two equivalent La(8), two equivalent Ni(4), and one Ge(3) atom. Both Ni(1)-Ni(4) bond lengths are 2.64 Å. The Ni(1)-Ge(3) bond length is 2.57 Å. In the second Ni site, Ni(2) is bonded in a 9-coordinate geometry to one La(1), one La(9), two equivalent La(4), two equivalent La(6), one Ni(3), and two equivalent Ge(4) atoms. The Ni(2)-Ni(3) bond length is 2.53 Å. Both Ni(2)-Ge(4) bond lengths are 2.57 Å. In the third Ni site, Ni(3) is bonded in a 9-coordinate geometry to one La(11), one La(3), two equivalent La(4), two equivalent La(6), one Ni(2), and two equivalent Ge(1) atoms. Both Ni(3)-Ge(1) bond lengths are 2.62 Å. In the fourth Ni site, Ni(4) is bonded in a 9-coordinate geometry to one La(5), one La(8), two equivalent La(10), two equivalent La(2), two equivalent Ni(1), and one Ge(2) atom. The Ni(4)-Ge(2) bond length is 2.57 Å. There are six inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to one La(4), one La(6), one La(9), two equivalent La(11), two equivalent La(3), and two equivalent Ni(3) atoms. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to one La(11), one La(6), two equivalent La(10), two equivalent La(2), two equivalent La(9), and one Ni(4) atom. In the third Ge site, Ge(3) is bonded in a 9-coordinate geometry to one La(1), one La(4), two equivalent La(3), two equivalent La(5), two equivalent La(8), and one Ni(1) atom. In the fourth Ge site, Ge(4) is bonded in a 9-coordinate geometry to one La(3), one La(4), one La(6), two equivalent La(1), two equivalent La(9), and two equivalent Ni(2) atoms. In the fifth Ge site, Ge(5) is bonded in a 9-coordinate geometry to one La(10), one La(4), one La(5), two equivalent La(1), two equivalent La(7), and two equivalent La(8) atoms. In the sixth Ge site, Ge(6) is bonded in a 9-coordinate geometry to one La(10), one La(5), one La(6), two equivalent La(11), two equivalent La(2), and two equivalent La(7) atoms.