Ho4Ni11In20 crystallizes in the monoclinic C2/m space group. There are two inequivalent Ho sites. In the first Ho site, Ho(1) is bonded in a 15-coordinate geometry to two equivalent Ni(3), two equivalent Ni(5), one In(1), one In(2), one In(3), one In(5), two equivalent In(10), two equivalent In(9), and three equivalent In(6) atoms. In the second Ho site, Ho(2) is bonded in a 15-coordinate geometry to two equivalent Ni(2), two equivalent Ni(4), one In(10), one In(2), one In(3), one In(8), two equivalent In(5), two equivalent In(7), and three equivalent In(4) atoms. There are six inequivalent Ni sites. In the first Ni site, Ni(5) is bonded in a 9-coordinate geometry to two equivalent Ho(1), one In(10), one In(8), one In(9), two equivalent In(1), and two equivalent In(2) atoms. In the second Ni site, Ni(6) is bonded to four equivalent Ni(1), two equivalent In(7), two equivalent In(9), and four equivalent In(3) atoms to form distorted face-sharing NiIn8Ni4 cuboctahedra. In the third Ni site, Ni(1) is bonded in a 10-coordinate geometry to one Ni(1), two equivalent Ni(6), one In(2), two equivalent In(3), two equivalent In(7), and two equivalent In(9) atoms. In the fourth Ni site, Ni(2) is bonded in a 10-coordinate geometry to two equivalent Ho(2), one In(4), one In(5), two equivalent In(1), two equivalent In(10), and two equivalent In(8) atoms. In the fifth Ni site, Ni(3) is bonded in a 9-coordinate geometry to two equivalent Ho(1), one In(10), one In(3), two equivalent In(5), and three equivalent In(6) atoms. In the sixth Ni site, Ni(4) is bonded in a 9-coordinate geometry to two equivalent Ho(2), one In(7), one In(8), two equivalent In(2), and three equivalent In(4) atoms. There are ten inequivalent In sites. In the first In site, In(1) is bonded in a 11-coordinate geometry to one Ho(1), two equivalent Ni(2), two equivalent Ni(5), one In(1), one In(2), two equivalent In(10), and two equivalent In(8) atoms. In the second In site, In(2) is bonded in a 5-coordinate geometry to one Ho(1), one Ho(2), one Ni(1), two equivalent Ni(4), two equivalent Ni(5), one In(1), and one In(4) atom. In the third In site, In(3) is bonded in a 3-coordinate geometry to one Ho(1), one Ho(2), one Ni(3), two equivalent Ni(1), two equivalent Ni(6), and two equivalent In(6) atoms. In the fourth In site, In(4) is bonded in a 12-coordinate geometry to three equivalent Ho(2), one Ni(2), three equivalent Ni(4), one In(2), two equivalent In(4), and two equivalent In(8) atoms. In the fifth In site, In(5) is bonded in a 5-coordinate geometry to one Ho(1), two equivalent Ho(2), one Ni(2), two equivalent Ni(3), one In(6), and two equivalent In(10) atoms. In the sixth In site, In(6) is bonded in a 12-coordinate geometry to three equivalent Ho(1), three equivalent Ni(3), one In(5), one In(9), two equivalent In(3), and two equivalent In(6) atoms. In the seventh In site, In(7) is bonded in a 6-coordinate geometry to two equivalent Ho(2), one Ni(4), one Ni(6), and two equivalent Ni(1) atoms. In the eighth In site, In(8) is bonded in a 10-coordinate geometry to one Ho(2), one Ni(4), one Ni(5), two equivalent Ni(2), one In(10), two equivalent In(1), and two equivalent In(4) atoms. In the ninth In site, In(9) is bonded in a 6-coordinate geometry to two equivalent Ho(1), one Ni(5), one Ni(6), two equivalent Ni(1), and one In(6) atom. In the tenth In site, In(10) is bonded in a 12-coordinate geometry to one Ho(2), two equivalent Ho(1), one Ni(3), one Ni(5), two equivalent Ni(2), one In(8), two equivalent In(1), and two equivalent In(5) atoms.
Ho4Ni11In20 crystallizes in the monoclinic C2/m space group. There are two inequivalent Ho sites. In the first Ho site, Ho(1) is bonded in a 15-coordinate geometry to two equivalent Ni(3), two equivalent Ni(5), one In(1), one In(2), one In(3), one In(5), two equivalent In(10), two equivalent In(9), and three equivalent In(6) atoms. Both Ho(1)-Ni(3) bond lengths are 3.29 Å. Both Ho(1)-Ni(5) bond lengths are 3.12 Å. The Ho(1)-In(1) bond length is 3.26 Å. The Ho(1)-In(2) bond length is 3.42 Å. The Ho(1)-In(3) bond length is 3.74 Å. The Ho(1)-In(5) bond length is 3.31 Å. Both Ho(1)-In(10) bond lengths are 3.21 Å. Both Ho(1)-In(9) bond lengths are 3.16 Å. There are two shorter (3.22 Å) and one longer (3.36 Å) Ho(1)-In(6) bond length. In the second Ho site, Ho(2) is bonded in a 15-coordinate geometry to two equivalent Ni(2), two equivalent Ni(4), one In(10), one In(2), one In(3), one In(8), two equivalent In(5), two equivalent In(7), and three equivalent In(4) atoms. Both Ho(2)-Ni(2) bond lengths are 3.35 Å. Both Ho(2)-Ni(4) bond lengths are 3.17 Å. The Ho(2)-In(10) bond length is 3.44 Å. The Ho(2)-In(2) bond length is 3.45 Å. The Ho(2)-In(3) bond length is 3.79 Å. The Ho(2)-In(8) bond length is 3.29 Å. Both Ho(2)-In(5) bond lengths are 3.16 Å. Both Ho(2)-In(7) bond lengths are 3.18 Å. There are two shorter (3.20 Å) and one longer (3.32 Å) Ho(2)-In(4) bond length. There are six inequivalent Ni sites. In the first Ni site, Ni(5) is bonded in a 9-coordinate geometry to two equivalent Ho(1), one In(10), one In(8), one In(9), two equivalent In(1), and two equivalent In(2) atoms. The Ni(5)-In(10) bond length is 2.74 Å. The Ni(5)-In(8) bond length is 2.66 Å. The Ni(5)-In(9) bond length is 2.69 Å. Both Ni(5)-In(1) bond lengths are 2.75 Å. Both Ni(5)-In(2) bond lengths are 2.78 Å. In the second Ni site, Ni(6) is bonded to four equivalent Ni(1), two equivalent In(7), two equivalent In(9), and four equivalent In(3) atoms to form distorted face-sharing NiIn8Ni4 cuboctahedra. All Ni(6)-Ni(1) bond lengths are 2.60 Å. Both Ni(6)-In(7) bond lengths are 2.73 Å. Both Ni(6)-In(9) bond lengths are 2.68 Å. All Ni(6)-In(3) bond lengths are 3.11 Å. In the third Ni site, Ni(1) is bonded in a 10-coordinate geometry to one Ni(1), two equivalent Ni(6), one In(2), two equivalent In(3), two equivalent In(7), and two equivalent In(9) atoms. The Ni(1)-Ni(1) bond length is 2.88 Å. The Ni(1)-In(2) bond length is 2.76 Å. There is one shorter (2.63 Å) and one longer (2.69 Å) Ni(1)-In(3) bond length. Both Ni(1)-In(7) bond lengths are 2.76 Å. Both Ni(1)-In(9) bond lengths are 2.74 Å. In the fourth Ni site, Ni(2) is bonded in a 10-coordinate geometry to two equivalent Ho(2), one In(4), one In(5), two equivalent In(1), two equivalent In(10), and two equivalent In(8) atoms. The Ni(2)-In(4) bond length is 2.78 Å. The Ni(2)-In(5) bond length is 2.70 Å. There is one shorter (2.79 Å) and one longer (3.10 Å) Ni(2)-In(1) bond length. Both Ni(2)-In(10) bond lengths are 2.73 Å. Both Ni(2)-In(8) bond lengths are 2.67 Å. In the fifth Ni site, Ni(3) is bonded in a 9-coordinate geometry to two equivalent Ho(1), one In(10), one In(3), two equivalent In(5), and three equivalent In(6) atoms. The Ni(3)-In(10) bond length is 2.72 Å. The Ni(3)-In(3) bond length is 2.68 Å. Both Ni(3)-In(5) bond lengths are 2.65 Å. There is one shorter (2.66 Å) and two longer (2.68 Å) Ni(3)-In(6) bond lengths. In the sixth Ni site, Ni(4) is bonded in a 9-coordinate geometry to two equivalent Ho(2), one In(7), one In(8), two equivalent In(2), and three equivalent In(4) atoms. The Ni(4)-In(7) bond length is 2.71 Å. The Ni(4)-In(8) bond length is 2.70 Å. Both Ni(4)-In(2) bond lengths are 2.76 Å. There is one shorter (2.70 Å) and two longer (2.76 Å) Ni(4)-In(4) bond lengths. There are ten inequivalent In sites. In the first In site, In(1) is bonded in a 11-coordinate geometry to one Ho(1), two equivalent Ni(2), two equivalent Ni(5), one In(1), one In(2), two equivalent In(10), and two equivalent In(8) atoms. The In(1)-In(1) bond length is 2.94 Å. The In(1)-In(2) bond length is 3.16 Å. Both In(1)-In(10) bond lengths are 3.10 Å. Both In(1)-In(8) bond lengths are 3.01 Å. In the second In site, In(2) is bonded in a 5-coordinate geometry to one Ho(1), one Ho(2), one Ni(1), two equivalent Ni(4), two equivalent Ni(5), one In(1), and one In(4) atom. The In(2)-In(4) bond length is 3.15 Å. In the third In site, In(3) is bonded in a 3-coordinate geometry to one Ho(1), one Ho(2), one Ni(3), two equivalent Ni(1), two equivalent Ni(6), and two equivalent In(6) atoms. Both In(3)-In(6) bond lengths are 3.34 Å. In the fourth In site, In(4) is bonded in a 12-coordinate geometry to three equivalent Ho(2), one Ni(2), three equivalent Ni(4), one In(2), two equivalent In(4), and two equivalent In(8) atoms. Both In(4)-In(4) bond lengths are 3.09 Å. Both In(4)-In(8) bond lengths are 3.06 Å. In the fifth In site, In(5) is bonded in a 5-coordinate geometry to one Ho(1), two equivalent Ho(2), one Ni(2), two equivalent Ni(3), one In(6), and two equivalent In(10) atoms. The In(5)-In(6) bond length is 2.96 Å. Both In(5)-In(10) bond lengths are 3.09 Å. In the sixth In site, In(6) is bonded in a 12-coordinate geometry to three equivalent Ho(1), three equivalent Ni(3), one In(5), one In(9), two equivalent In(3), and two equivalent In(6) atoms. The In(6)-In(9) bond length is 3.03 Å. Both In(6)-In(6) bond lengths are 3.06 Å. In the seventh In site, In(7) is bonded in a 6-coordinate geometry to two equivalent Ho(2), one Ni(4), one Ni(6), and two equivalent Ni(1) atoms. In the eighth In site, In(8) is bonded in a 10-coordinate geometry to one Ho(2), one Ni(4), one Ni(5), two equivalent Ni(2), one In(10), two equivalent In(1), and two equivalent In(4) atoms. The In(8)-In(10) bond length is 3.13 Å. In the ninth In site, In(9) is bonded in a 6-coordinate geometry to two equivalent Ho(1), one Ni(5), one Ni(6), two equivalent Ni(1), and one In(6) atom. In the tenth In site, In(10) is bonded in a 12-coordinate geometry to one Ho(2), two equivalent Ho(1), one Ni(3), one Ni(5), two equivalent Ni(2), one In(8), two equivalent In(1), and two equivalent In(5) atoms.