Sc3(MnNi2)2 crystallizes in the triclinic P-1 space group. There are three inequivalent Sc sites. In the first Sc site, Sc(1) is bonded in a 16-coordinate geometry to one Sc(3), three equivalent Sc(2), one Mn(1), one Mn(3), two equivalent Mn(2), one Ni(4), two equivalent Ni(1), two equivalent Ni(5), and three equivalent Ni(2) atoms. In the second Sc site, Sc(2) is bonded in a 16-coordinate geometry to one Sc(2), three equivalent Sc(1), one Mn(2), two equivalent Mn(1), two equivalent Mn(3), one Ni(1), one Ni(5), two equivalent Ni(4), and three equivalent Ni(2) atoms. In the third Sc site, Sc(3) is bonded in a 16-coordinate geometry to one Sc(1), three equivalent Sc(3), three equivalent Mn(2), three equivalent Ni(1), three equivalent Ni(3), and three equivalent Ni(5) atoms. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to two equivalent Sc(1), four equivalent Sc(2), two equivalent Mn(3), two equivalent Ni(2), and two equivalent Ni(4) atoms to form distorted MnSc6Mn2Ni4 cuboctahedra that share corners with two equivalent Mn(2)Sc6Ni6 cuboctahedra, corners with four equivalent Mn(1)Sc6Mn2Ni4 cuboctahedra, corners with four equivalent Ni(1)Sc6Mn2Ni4 cuboctahedra, corners with four equivalent Ni(5)Sc6Mn2Ni4 cuboctahedra, corners with four equivalent Ni(2)Sc6Mn3Ni3 cuboctahedra, edges with two equivalent Mn(1)Sc6Mn2Ni4 cuboctahedra, edges with four equivalent Mn(2)Sc6Ni6 cuboctahedra, faces with two equivalent Ni(1)Sc6Mn2Ni4 cuboctahedra, faces with two equivalent Ni(5)Sc6Mn2Ni4 cuboctahedra, faces with four equivalent Mn(3)Sc6Mn2Ni4 cuboctahedra, faces with four equivalent Ni(4)Sc6Mn4Ni2 cuboctahedra, and faces with six equivalent Ni(2)Sc6Mn3Ni3 cuboctahedra. In the second Mn site, Mn(2) is bonded to one Sc(2), two equivalent Sc(1), three equivalent Sc(3), one Ni(2), one Ni(3), two equivalent Ni(1), and two equivalent Ni(5) atoms to form distorted MnSc6Ni6 cuboctahedra that share  a cornercorner with one Mn(1)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Mn(3)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Ni(1)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Ni(3)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Ni(5)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Ni(2)Sc6Mn3Ni3 cuboctahedra, corners with two equivalent Ni(4)Sc6Mn4Ni2 cuboctahedra, corners with five equivalent Mn(2)Sc6Ni6 cuboctahedra, edges with two equivalent Mn(1)Sc6Mn2Ni4 cuboctahedra, edges with four equivalent Mn(2)Sc6Ni6 cuboctahedra,  a faceface with one Mn(3)Sc6Mn2Ni4 cuboctahedra,  a faceface with one Ni(4)Sc6Mn4Ni2 cuboctahedra, faces with three equivalent Ni(3)Sc6Mn2Ni4 cuboctahedra, faces with three equivalent Ni(2)Sc6Mn3Ni3 cuboctahedra, faces with five equivalent Ni(1)Sc6Mn2Ni4 cuboctahedra, and faces with five equivalent Ni(5)Sc6Mn2Ni4 cuboctahedra. In the third Mn site, Mn(3) is bonded to two equivalent Sc(1), four equivalent Sc(2), two equivalent Mn(1), two equivalent Ni(2), and two equivalent Ni(4) atoms to form distorted MnSc6Mn2Ni4 cuboctahedra that share corners with two equivalent Ni(1)Sc6Mn2Ni4 cuboctahedra, corners with four equivalent Mn(3)Sc6Mn2Ni4 cuboctahedra, corners with four equivalent Mn(2)Sc6Ni6 cuboctahedra, corners with four equivalent Ni(5)Sc6Mn2Ni4 cuboctahedra, corners with four equivalent Ni(2)Sc6Mn3Ni3 cuboctahedra, edges with two equivalent Mn(3)Sc6Mn2Ni4 cuboctahedra, edges with four equivalent Ni(1)Sc6Mn2Ni4 cuboctahedra, faces with two equivalent Mn(2)Sc6Ni6 cuboctahedra, faces with two equivalent Ni(5)Sc6Mn2Ni4 cuboctahedra, faces with four equivalent Mn(1)Sc6Mn2Ni4 cuboctahedra, faces with four equivalent Ni(4)Sc6Mn4Ni2 cuboctahedra, and faces with six equivalent Ni(2)Sc6Mn3Ni3 cuboctahedra. There are five inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to one Sc(2), two equivalent Sc(1), three equivalent Sc(3), two equivalent Mn(2), one Ni(2), one Ni(3), and two equivalent Ni(5) atoms to form distorted NiSc6Mn2Ni4 cuboctahedra that share  a cornercorner with one Mn(3)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Mn(1)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Mn(2)Sc6Ni6 cuboctahedra, corners with two equivalent Ni(3)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Ni(5)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Ni(2)Sc6Mn3Ni3 cuboctahedra, corners with two equivalent Ni(4)Sc6Mn4Ni2 cuboctahedra, corners with five equivalent Ni(1)Sc6Mn2Ni4 cuboctahedra, edges with two equivalent Mn(3)Sc6Mn2Ni4 cuboctahedra, edges with four equivalent Ni(1)Sc6Mn2Ni4 cuboctahedra,  a faceface with one Mn(1)Sc6Mn2Ni4 cuboctahedra,  a faceface with one Ni(4)Sc6Mn4Ni2 cuboctahedra, faces with three equivalent Ni(3)Sc6Mn2Ni4 cuboctahedra, faces with three equivalent Ni(2)Sc6Mn3Ni3 cuboctahedra, faces with five equivalent Mn(2)Sc6Ni6 cuboctahedra, and faces with five equivalent Ni(5)Sc6Mn2Ni4 cuboctahedra. In the second Ni site, Ni(2) is bonded to three equivalent Sc(1), three equivalent Sc(2), one Mn(1), one Mn(2), one Mn(3), one Ni(1), one Ni(4), and one Ni(5) atom to form distorted NiSc6Mn3Ni3 cuboctahedra that share corners with two equivalent Mn(1)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Mn(3)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Mn(2)Sc6Ni6 cuboctahedra, corners with two equivalent Ni(1)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Ni(5)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Ni(4)Sc6Mn4Ni2 cuboctahedra, corners with three equivalent Ni(3)Sc6Mn2Ni4 cuboctahedra, corners with three equivalent Ni(2)Sc6Mn3Ni3 cuboctahedra, edges with six equivalent Ni(2)Sc6Mn3Ni3 cuboctahedra, faces with three equivalent Mn(1)Sc6Mn2Ni4 cuboctahedra, faces with three equivalent Mn(3)Sc6Mn2Ni4 cuboctahedra, faces with three equivalent Mn(2)Sc6Ni6 cuboctahedra, faces with three equivalent Ni(1)Sc6Mn2Ni4 cuboctahedra, faces with three equivalent Ni(5)Sc6Mn2Ni4 cuboctahedra, and faces with three equivalent Ni(4)Sc6Mn4Ni2 cuboctahedra. In the third Ni site, Ni(3) is bonded to six equivalent Sc(3), two equivalent Mn(2), two equivalent Ni(1), and two equivalent Ni(5) atoms to form distorted NiSc6Mn2Ni4 cuboctahedra that share corners with four equivalent Mn(2)Sc6Ni6 cuboctahedra, corners with four equivalent Ni(1)Sc6Mn2Ni4 cuboctahedra, corners with four equivalent Ni(5)Sc6Mn2Ni4 cuboctahedra, corners with six equivalent Ni(2)Sc6Mn3Ni3 cuboctahedra, edges with six equivalent Ni(3)Sc6Mn2Ni4 cuboctahedra, faces with six equivalent Mn(2)Sc6Ni6 cuboctahedra, faces with six equivalent Ni(1)Sc6Mn2Ni4 cuboctahedra, and faces with six equivalent Ni(5)Sc6Mn2Ni4 cuboctahedra. In the fourth Ni site, Ni(4) is bonded to two equivalent Sc(1), four equivalent Sc(2), two equivalent Mn(1), two equivalent Mn(3), and two equivalent Ni(2) atoms to form distorted NiSc6Mn4Ni2 cuboctahedra that share corners with two equivalent Ni(5)Sc6Mn2Ni4 cuboctahedra, corners with four equivalent Mn(2)Sc6Ni6 cuboctahedra, corners with four equivalent Ni(1)Sc6Mn2Ni4 cuboctahedra, corners with four equivalent Ni(2)Sc6Mn3Ni3 cuboctahedra, corners with four equivalent Ni(4)Sc6Mn4Ni2 cuboctahedra, edges with two equivalent Ni(4)Sc6Mn4Ni2 cuboctahedra, edges with four equivalent Ni(5)Sc6Mn2Ni4 cuboctahedra, faces with two equivalent Mn(2)Sc6Ni6 cuboctahedra, faces with two equivalent Ni(1)Sc6Mn2Ni4 cuboctahedra, faces with four equivalent Mn(1)Sc6Mn2Ni4 cuboctahedra, faces with four equivalent Mn(3)Sc6Mn2Ni4 cuboctahedra, and faces with six equivalent Ni(2)Sc6Mn3Ni3 cuboctahedra. In the fifth Ni site, Ni(5) is bonded to one Sc(2), two equivalent Sc(1), three equivalent Sc(3), two equivalent Mn(2), one Ni(2), one Ni(3), and two equivalent Ni(1) atoms to form distorted NiSc6Mn2Ni4 cuboctahedra that share  a cornercorner with one Ni(4)Sc6Mn4Ni2 cuboctahedra, corners with two equivalent Mn(1)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Mn(3)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Mn(2)Sc6Ni6 cuboctahedra, corners with two equivalent Ni(1)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Ni(3)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Ni(2)Sc6Mn3Ni3 cuboctahedra, corners with five equivalent Ni(5)Sc6Mn2Ni4 cuboctahedra, edges with two equivalent Ni(4)Sc6Mn4Ni2 cuboctahedra, edges with four equivalent Ni(5)Sc6Mn2Ni4 cuboctahedra,  a faceface with one Mn(1)Sc6Mn2Ni4 cuboctahedra,  a faceface with one Mn(3)Sc6Mn2Ni4 cuboctahedra, faces with three equivalent Ni(3)Sc6Mn2Ni4 cuboctahedra, faces with three equivalent Ni(2)Sc6Mn3Ni3 cuboctahedra, faces with five equivalent Mn(2)Sc6Ni6 cuboctahedra, and faces with five equivalent Ni(1)Sc6Mn2Ni4 cuboctahedra.
Sc3(MnNi2)2 crystallizes in the triclinic P-1 space group. There are three inequivalent Sc sites. In the first Sc site, Sc(1) is bonded in a 16-coordinate geometry to one Sc(3), three equivalent Sc(2), one Mn(1), one Mn(3), two equivalent Mn(2), one Ni(4), two equivalent Ni(1), two equivalent Ni(5), and three equivalent Ni(2) atoms. The Sc(1)-Sc(3) bond length is 3.05 Å. There are a spread of Sc(1)-Sc(2) bond distances ranging from 2.98-3.05 Å. The Sc(1)-Mn(1) bond length is 2.92 Å. The Sc(1)-Mn(3) bond length is 2.92 Å. There is one shorter (2.92 Å) and one longer (2.94 Å) Sc(1)-Mn(2) bond length. The Sc(1)-Ni(4) bond length is 2.93 Å. There is one shorter (2.87 Å) and one longer (2.93 Å) Sc(1)-Ni(1) bond length. There is one shorter (2.83 Å) and one longer (2.90 Å) Sc(1)-Ni(5) bond length. There are a spread of Sc(1)-Ni(2) bond distances ranging from 2.84-2.96 Å. In the second Sc site, Sc(2) is bonded in a 16-coordinate geometry to one Sc(2), three equivalent Sc(1), one Mn(2), two equivalent Mn(1), two equivalent Mn(3), one Ni(1), one Ni(5), two equivalent Ni(4), and three equivalent Ni(2) atoms. The Sc(2)-Sc(2) bond length is 3.05 Å. The Sc(2)-Mn(2) bond length is 2.94 Å. There is one shorter (2.91 Å) and one longer (2.95 Å) Sc(2)-Mn(1) bond length. There is one shorter (2.87 Å) and one longer (2.91 Å) Sc(2)-Mn(3) bond length. The Sc(2)-Ni(1) bond length is 2.91 Å. The Sc(2)-Ni(5) bond length is 2.95 Å. There is one shorter (2.86 Å) and one longer (2.87 Å) Sc(2)-Ni(4) bond length. There are a spread of Sc(2)-Ni(2) bond distances ranging from 2.84-2.93 Å. In the third Sc site, Sc(3) is bonded in a 16-coordinate geometry to one Sc(1), three equivalent Sc(3), three equivalent Mn(2), three equivalent Ni(1), three equivalent Ni(3), and three equivalent Ni(5) atoms. There are a spread of Sc(3)-Sc(3) bond distances ranging from 2.99-3.05 Å. There is one shorter (2.92 Å) and two longer (2.93 Å) Sc(3)-Mn(2) bond lengths. There is one shorter (2.86 Å) and two longer (2.91 Å) Sc(3)-Ni(1) bond lengths. There are a spread of Sc(3)-Ni(3) bond distances ranging from 2.84-2.94 Å. There are a spread of Sc(3)-Ni(5) bond distances ranging from 2.84-2.93 Å. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to two equivalent Sc(1), four equivalent Sc(2), two equivalent Mn(3), two equivalent Ni(2), and two equivalent Ni(4) atoms to form distorted MnSc6Mn2Ni4 cuboctahedra that share corners with two equivalent Mn(2)Sc6Ni6 cuboctahedra, corners with four equivalent Mn(1)Sc6Mn2Ni4 cuboctahedra, corners with four equivalent Ni(1)Sc6Mn2Ni4 cuboctahedra, corners with four equivalent Ni(5)Sc6Mn2Ni4 cuboctahedra, corners with four equivalent Ni(2)Sc6Mn3Ni3 cuboctahedra, edges with two equivalent Mn(1)Sc6Mn2Ni4 cuboctahedra, edges with four equivalent Mn(2)Sc6Ni6 cuboctahedra, faces with two equivalent Ni(1)Sc6Mn2Ni4 cuboctahedra, faces with two equivalent Ni(5)Sc6Mn2Ni4 cuboctahedra, faces with four equivalent Mn(3)Sc6Mn2Ni4 cuboctahedra, faces with four equivalent Ni(4)Sc6Mn4Ni2 cuboctahedra, and faces with six equivalent Ni(2)Sc6Mn3Ni3 cuboctahedra. Both Mn(1)-Mn(3) bond lengths are 2.42 Å. Both Mn(1)-Ni(2) bond lengths are 2.46 Å. Both Mn(1)-Ni(4) bond lengths are 2.46 Å. In the second Mn site, Mn(2) is bonded to one Sc(2), two equivalent Sc(1), three equivalent Sc(3), one Ni(2), one Ni(3), two equivalent Ni(1), and two equivalent Ni(5) atoms to form distorted MnSc6Ni6 cuboctahedra that share  a cornercorner with one Mn(1)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Mn(3)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Ni(1)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Ni(3)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Ni(5)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Ni(2)Sc6Mn3Ni3 cuboctahedra, corners with two equivalent Ni(4)Sc6Mn4Ni2 cuboctahedra, corners with five equivalent Mn(2)Sc6Ni6 cuboctahedra, edges with two equivalent Mn(1)Sc6Mn2Ni4 cuboctahedra, edges with four equivalent Mn(2)Sc6Ni6 cuboctahedra,  a faceface with one Mn(3)Sc6Mn2Ni4 cuboctahedra,  a faceface with one Ni(4)Sc6Mn4Ni2 cuboctahedra, faces with three equivalent Ni(3)Sc6Mn2Ni4 cuboctahedra, faces with three equivalent Ni(2)Sc6Mn3Ni3 cuboctahedra, faces with five equivalent Ni(1)Sc6Mn2Ni4 cuboctahedra, and faces with five equivalent Ni(5)Sc6Mn2Ni4 cuboctahedra. The Mn(2)-Ni(2) bond length is 2.46 Å. The Mn(2)-Ni(3) bond length is 2.45 Å. Both Mn(2)-Ni(1) bond lengths are 2.42 Å. Both Mn(2)-Ni(5) bond lengths are 2.46 Å. In the third Mn site, Mn(3) is bonded to two equivalent Sc(1), four equivalent Sc(2), two equivalent Mn(1), two equivalent Ni(2), and two equivalent Ni(4) atoms to form distorted MnSc6Mn2Ni4 cuboctahedra that share corners with two equivalent Ni(1)Sc6Mn2Ni4 cuboctahedra, corners with four equivalent Mn(3)Sc6Mn2Ni4 cuboctahedra, corners with four equivalent Mn(2)Sc6Ni6 cuboctahedra, corners with four equivalent Ni(5)Sc6Mn2Ni4 cuboctahedra, corners with four equivalent Ni(2)Sc6Mn3Ni3 cuboctahedra, edges with two equivalent Mn(3)Sc6Mn2Ni4 cuboctahedra, edges with four equivalent Ni(1)Sc6Mn2Ni4 cuboctahedra, faces with two equivalent Mn(2)Sc6Ni6 cuboctahedra, faces with two equivalent Ni(5)Sc6Mn2Ni4 cuboctahedra, faces with four equivalent Mn(1)Sc6Mn2Ni4 cuboctahedra, faces with four equivalent Ni(4)Sc6Mn4Ni2 cuboctahedra, and faces with six equivalent Ni(2)Sc6Mn3Ni3 cuboctahedra. Both Mn(3)-Ni(2) bond lengths are 2.48 Å. Both Mn(3)-Ni(4) bond lengths are 2.50 Å. There are five inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to one Sc(2), two equivalent Sc(1), three equivalent Sc(3), two equivalent Mn(2), one Ni(2), one Ni(3), and two equivalent Ni(5) atoms to form distorted NiSc6Mn2Ni4 cuboctahedra that share  a cornercorner with one Mn(3)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Mn(1)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Mn(2)Sc6Ni6 cuboctahedra, corners with two equivalent Ni(3)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Ni(5)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Ni(2)Sc6Mn3Ni3 cuboctahedra, corners with two equivalent Ni(4)Sc6Mn4Ni2 cuboctahedra, corners with five equivalent Ni(1)Sc6Mn2Ni4 cuboctahedra, edges with two equivalent Mn(3)Sc6Mn2Ni4 cuboctahedra, edges with four equivalent Ni(1)Sc6Mn2Ni4 cuboctahedra,  a faceface with one Mn(1)Sc6Mn2Ni4 cuboctahedra,  a faceface with one Ni(4)Sc6Mn4Ni2 cuboctahedra, faces with three equivalent Ni(3)Sc6Mn2Ni4 cuboctahedra, faces with three equivalent Ni(2)Sc6Mn3Ni3 cuboctahedra, faces with five equivalent Mn(2)Sc6Ni6 cuboctahedra, and faces with five equivalent Ni(5)Sc6Mn2Ni4 cuboctahedra. The Ni(1)-Ni(2) bond length is 2.53 Å. The Ni(1)-Ni(3) bond length is 2.49 Å. Both Ni(1)-Ni(5) bond lengths are 2.50 Å. In the second Ni site, Ni(2) is bonded to three equivalent Sc(1), three equivalent Sc(2), one Mn(1), one Mn(2), one Mn(3), one Ni(1), one Ni(4), and one Ni(5) atom to form distorted NiSc6Mn3Ni3 cuboctahedra that share corners with two equivalent Mn(1)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Mn(3)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Mn(2)Sc6Ni6 cuboctahedra, corners with two equivalent Ni(1)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Ni(5)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Ni(4)Sc6Mn4Ni2 cuboctahedra, corners with three equivalent Ni(3)Sc6Mn2Ni4 cuboctahedra, corners with three equivalent Ni(2)Sc6Mn3Ni3 cuboctahedra, edges with six equivalent Ni(2)Sc6Mn3Ni3 cuboctahedra, faces with three equivalent Mn(1)Sc6Mn2Ni4 cuboctahedra, faces with three equivalent Mn(3)Sc6Mn2Ni4 cuboctahedra, faces with three equivalent Mn(2)Sc6Ni6 cuboctahedra, faces with three equivalent Ni(1)Sc6Mn2Ni4 cuboctahedra, faces with three equivalent Ni(5)Sc6Mn2Ni4 cuboctahedra, and faces with three equivalent Ni(4)Sc6Mn4Ni2 cuboctahedra. The Ni(2)-Ni(4) bond length is 2.51 Å. The Ni(2)-Ni(5) bond length is 2.50 Å. In the third Ni site, Ni(3) is bonded to six equivalent Sc(3), two equivalent Mn(2), two equivalent Ni(1), and two equivalent Ni(5) atoms to form distorted NiSc6Mn2Ni4 cuboctahedra that share corners with four equivalent Mn(2)Sc6Ni6 cuboctahedra, corners with four equivalent Ni(1)Sc6Mn2Ni4 cuboctahedra, corners with four equivalent Ni(5)Sc6Mn2Ni4 cuboctahedra, corners with six equivalent Ni(2)Sc6Mn3Ni3 cuboctahedra, edges with six equivalent Ni(3)Sc6Mn2Ni4 cuboctahedra, faces with six equivalent Mn(2)Sc6Ni6 cuboctahedra, faces with six equivalent Ni(1)Sc6Mn2Ni4 cuboctahedra, and faces with six equivalent Ni(5)Sc6Mn2Ni4 cuboctahedra. Both Ni(3)-Ni(5) bond lengths are 2.50 Å. In the fourth Ni site, Ni(4) is bonded to two equivalent Sc(1), four equivalent Sc(2), two equivalent Mn(1), two equivalent Mn(3), and two equivalent Ni(2) atoms to form distorted NiSc6Mn4Ni2 cuboctahedra that share corners with two equivalent Ni(5)Sc6Mn2Ni4 cuboctahedra, corners with four equivalent Mn(2)Sc6Ni6 cuboctahedra, corners with four equivalent Ni(1)Sc6Mn2Ni4 cuboctahedra, corners with four equivalent Ni(2)Sc6Mn3Ni3 cuboctahedra, corners with four equivalent Ni(4)Sc6Mn4Ni2 cuboctahedra, edges with two equivalent Ni(4)Sc6Mn4Ni2 cuboctahedra, edges with four equivalent Ni(5)Sc6Mn2Ni4 cuboctahedra, faces with two equivalent Mn(2)Sc6Ni6 cuboctahedra, faces with two equivalent Ni(1)Sc6Mn2Ni4 cuboctahedra, faces with four equivalent Mn(1)Sc6Mn2Ni4 cuboctahedra, faces with four equivalent Mn(3)Sc6Mn2Ni4 cuboctahedra, and faces with six equivalent Ni(2)Sc6Mn3Ni3 cuboctahedra. In the fifth Ni site, Ni(5) is bonded to one Sc(2), two equivalent Sc(1), three equivalent Sc(3), two equivalent Mn(2), one Ni(2), one Ni(3), and two equivalent Ni(1) atoms to form distorted NiSc6Mn2Ni4 cuboctahedra that share  a cornercorner with one Ni(4)Sc6Mn4Ni2 cuboctahedra, corners with two equivalent Mn(1)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Mn(3)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Mn(2)Sc6Ni6 cuboctahedra, corners with two equivalent Ni(1)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Ni(3)Sc6Mn2Ni4 cuboctahedra, corners with two equivalent Ni(2)Sc6Mn3Ni3 cuboctahedra, corners with five equivalent Ni(5)Sc6Mn2Ni4 cuboctahedra, edges with two equivalent Ni(4)Sc6Mn4Ni2 cuboctahedra, edges with four equivalent Ni(5)Sc6Mn2Ni4 cuboctahedra,  a faceface with one Mn(1)Sc6Mn2Ni4 cuboctahedra,  a faceface with one Mn(3)Sc6Mn2Ni4 cuboctahedra, faces with three equivalent Ni(3)Sc6Mn2Ni4 cuboctahedra, faces with three equivalent Ni(2)Sc6Mn3Ni3 cuboctahedra, faces with five equivalent Mn(2)Sc6Ni6 cuboctahedra, and faces with five equivalent Ni(1)Sc6Mn2Ni4 cuboctahedra.