Gd11Ni4In9 crystallizes in the orthorhombic Cmmm space group. There are five inequivalent Gd sites. In the first Gd site, Gd(1) is bonded in a 8-coordinate geometry to two equivalent Ni(1), two equivalent In(2), and four equivalent In(1) atoms. In the second Gd site, Gd(2) is bonded in a 8-coordinate geometry to four equivalent In(1) and four equivalent In(2) atoms. In the third Gd site, Gd(3) is bonded in a 10-coordinate geometry to four equivalent Ni(1), two equivalent In(3), and four equivalent In(1) atoms. In the fourth Gd site, Gd(4) is bonded in a 10-coordinate geometry to four equivalent Ni(1), two equivalent In(3), and four equivalent In(2) atoms. In the fifth Gd site, Gd(5) is bonded in a 8-coordinate geometry to eight equivalent In(2) atoms. Ni(1) is bonded in a 9-coordinate geometry to two equivalent Gd(1), two equivalent Gd(3), two equivalent Gd(4), one In(1), one In(2), and one In(3) atom. There are three inequivalent In sites. In the first In site, In(1) is bonded in a 10-coordinate geometry to two equivalent Gd(2), two equivalent Gd(3), four equivalent Gd(1), one Ni(1), and one In(1) atom. In the second In site, In(2) is bonded in a 10-coordinate geometry to two equivalent Gd(1), two equivalent Gd(2), two equivalent Gd(4), two equivalent Gd(5), one Ni(1), and one In(2) atom. In the third In site, In(3) is bonded to four equivalent Gd(3), four equivalent Gd(4), and four equivalent Ni(1) atoms to form face-sharing InGd8Ni4 cuboctahedra.
Gd11Ni4In9 crystallizes in the orthorhombic Cmmm space group. There are five inequivalent Gd sites. In the first Gd site, Gd(1) is bonded in a 8-coordinate geometry to two equivalent Ni(1), two equivalent In(2), and four equivalent In(1) atoms. Both Gd(1)-Ni(1) bond lengths are 2.78 Å. Both Gd(1)-In(2) bond lengths are 3.19 Å. There are two shorter (3.21 Å) and two longer (3.47 Å) Gd(1)-In(1) bond lengths. In the second Gd site, Gd(2) is bonded in a 8-coordinate geometry to four equivalent In(1) and four equivalent In(2) atoms. All Gd(2)-In(1) bond lengths are 3.32 Å. All Gd(2)-In(2) bond lengths are 3.42 Å. In the third Gd site, Gd(3) is bonded in a 10-coordinate geometry to four equivalent Ni(1), two equivalent In(3), and four equivalent In(1) atoms. All Gd(3)-Ni(1) bond lengths are 2.97 Å. Both Gd(3)-In(3) bond lengths are 3.28 Å. All Gd(3)-In(1) bond lengths are 3.36 Å. In the fourth Gd site, Gd(4) is bonded in a 10-coordinate geometry to four equivalent Ni(1), two equivalent In(3), and four equivalent In(2) atoms. All Gd(4)-Ni(1) bond lengths are 2.93 Å. Both Gd(4)-In(3) bond lengths are 3.34 Å. All Gd(4)-In(2) bond lengths are 3.40 Å. In the fifth Gd site, Gd(5) is bonded in a 8-coordinate geometry to eight equivalent In(2) atoms. All Gd(5)-In(2) bond lengths are 3.25 Å. Ni(1) is bonded in a 9-coordinate geometry to two equivalent Gd(1), two equivalent Gd(3), two equivalent Gd(4), one In(1), one In(2), and one In(3) atom. The Ni(1)-In(1) bond length is 2.97 Å. The Ni(1)-In(2) bond length is 3.01 Å. The Ni(1)-In(3) bond length is 3.18 Å. There are three inequivalent In sites. In the first In site, In(1) is bonded in a 10-coordinate geometry to two equivalent Gd(2), two equivalent Gd(3), four equivalent Gd(1), one Ni(1), and one In(1) atom. The In(1)-In(1) bond length is 3.04 Å. In the second In site, In(2) is bonded in a 10-coordinate geometry to two equivalent Gd(1), two equivalent Gd(2), two equivalent Gd(4), two equivalent Gd(5), one Ni(1), and one In(2) atom. The In(2)-In(2) bond length is 3.06 Å. In the third In site, In(3) is bonded to four equivalent Gd(3), four equivalent Gd(4), and four equivalent Ni(1) atoms to form face-sharing InGd8Ni4 cuboctahedra.