Ti(NbNi4)3 is beta Cu3Ti-derived structured and crystallizes in the orthorhombic Pmm2 space group. Ti(1) is bonded to two equivalent Ni(5), two equivalent Ni(7), four equivalent Ni(1), and four equivalent Ni(4) atoms to form TiNi12 cuboctahedra that share corners with two equivalent Nb(1)Ni12 cuboctahedra, corners with eight equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, corners with eight equivalent Ni(7)TiNb3Ni8 cuboctahedra, edges with two equivalent Ti(1)Ni12 cuboctahedra, edges with four equivalent Nb(2)Ni12 cuboctahedra, edges with four equivalent Ni(2)Nb4Ni8 cuboctahedra, edges with four equivalent Ni(3)Nb4Ni8 cuboctahedra, edges with four equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, faces with two equivalent Ti(1)Ni12 cuboctahedra, faces with two equivalent Ni(7)TiNb3Ni8 cuboctahedra, faces with four equivalent Nb(2)Ni12 cuboctahedra, faces with four equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, faces with four equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, and faces with four equivalent Ni(5)Ti2Nb2Ni8 cuboctahedra. There are two inequivalent Nb sites. In the first Nb site, Nb(1) is bonded to two equivalent Ni(6), two equivalent Ni(7), four equivalent Ni(2), and four equivalent Ni(3) atoms to form NbNi12 cuboctahedra that share corners with two equivalent Ti(1)Ni12 cuboctahedra, corners with eight equivalent Ni(2)Nb4Ni8 cuboctahedra, corners with eight equivalent Ni(7)TiNb3Ni8 cuboctahedra, edges with two equivalent Nb(1)Ni12 cuboctahedra, edges with four equivalent Nb(2)Ni12 cuboctahedra, edges with four equivalent Ni(3)Nb4Ni8 cuboctahedra, edges with four equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, edges with four equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, faces with two equivalent Nb(1)Ni12 cuboctahedra, faces with two equivalent Ni(7)TiNb3Ni8 cuboctahedra, faces with four equivalent Nb(2)Ni12 cuboctahedra, faces with four equivalent Ni(2)Nb4Ni8 cuboctahedra, faces with four equivalent Ni(3)Nb4Ni8 cuboctahedra, and faces with four equivalent Ni(6)Nb4Ni8 cuboctahedra. In the second Nb site, Nb(2) is bonded to one Ni(5), one Ni(6), two equivalent Ni(1), two equivalent Ni(2), two equivalent Ni(3), two equivalent Ni(4), and two equivalent Ni(7) atoms to form NbNi12 cuboctahedra that share corners with two equivalent Nb(2)Ni12 cuboctahedra, corners with four equivalent Ni(3)Nb4Ni8 cuboctahedra, corners with four equivalent Ni(6)Nb4Ni8 cuboctahedra, corners with four equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, corners with four equivalent Ni(5)Ti2Nb2Ni8 cuboctahedra, edges with two equivalent Ti(1)Ni12 cuboctahedra, edges with two equivalent Nb(1)Ni12 cuboctahedra, edges with two equivalent Nb(2)Ni12 cuboctahedra, edges with two equivalent Ni(3)Nb4Ni8 cuboctahedra, edges with two equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, edges with four equivalent Ni(2)Nb4Ni8 cuboctahedra, edges with four equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra,  a faceface with one Ni(6)Nb4Ni8 cuboctahedra,  a faceface with one Ni(5)Ti2Nb2Ni8 cuboctahedra, faces with two equivalent Ti(1)Ni12 cuboctahedra, faces with two equivalent Nb(1)Ni12 cuboctahedra, faces with two equivalent Nb(2)Ni12 cuboctahedra, faces with two equivalent Ni(2)Nb4Ni8 cuboctahedra, faces with two equivalent Ni(3)Nb4Ni8 cuboctahedra, faces with two equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, faces with two equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, and faces with four equivalent Ni(7)TiNb3Ni8 cuboctahedra. There are seven inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to two equivalent Ti(1), two equivalent Nb(2), one Ni(1), one Ni(2), two equivalent Ni(4), two equivalent Ni(5), and two equivalent Ni(7) atoms to form distorted NiTi2Nb2Ni8 cuboctahedra that share corners with four equivalent Ti(1)Ni12 cuboctahedra, corners with four equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, corners with four equivalent Ni(7)TiNb3Ni8 cuboctahedra, corners with six equivalent Ni(2)Nb4Ni8 cuboctahedra, edges with two equivalent Nb(1)Ni12 cuboctahedra, edges with two equivalent Ni(3)Nb4Ni8 cuboctahedra, edges with two equivalent Ni(6)Nb4Ni8 cuboctahedra, edges with two equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, edges with two equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, edges with two equivalent Ni(5)Ti2Nb2Ni8 cuboctahedra, edges with two equivalent Ni(7)TiNb3Ni8 cuboctahedra, edges with four equivalent Nb(2)Ni12 cuboctahedra,  a faceface with one Ni(2)Nb4Ni8 cuboctahedra, faces with two equivalent Ti(1)Ni12 cuboctahedra, faces with two equivalent Nb(2)Ni12 cuboctahedra, faces with two equivalent Ni(3)Nb4Ni8 cuboctahedra, faces with two equivalent Ni(5)Ti2Nb2Ni8 cuboctahedra, faces with two equivalent Ni(7)TiNb3Ni8 cuboctahedra, faces with three equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, and faces with six equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra. In the second Ni site, Ni(2) is bonded to two equivalent Nb(1), two equivalent Nb(2), one Ni(1), one Ni(2), two equivalent Ni(3), two equivalent Ni(6), and two equivalent Ni(7) atoms to form distorted NiNb4Ni8 cuboctahedra that share corners with four equivalent Nb(1)Ni12 cuboctahedra, corners with four equivalent Ni(2)Nb4Ni8 cuboctahedra, corners with four equivalent Ni(7)TiNb3Ni8 cuboctahedra, corners with six equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, edges with two equivalent Ti(1)Ni12 cuboctahedra, edges with two equivalent Ni(2)Nb4Ni8 cuboctahedra, edges with two equivalent Ni(3)Nb4Ni8 cuboctahedra, edges with two equivalent Ni(6)Nb4Ni8 cuboctahedra, edges with two equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, edges with two equivalent Ni(5)Ti2Nb2Ni8 cuboctahedra, edges with two equivalent Ni(7)TiNb3Ni8 cuboctahedra, edges with four equivalent Nb(2)Ni12 cuboctahedra,  a faceface with one Ni(1)Ti2Nb2Ni8 cuboctahedra, faces with two equivalent Nb(1)Ni12 cuboctahedra, faces with two equivalent Nb(2)Ni12 cuboctahedra, faces with two equivalent Ni(6)Nb4Ni8 cuboctahedra, faces with two equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, faces with two equivalent Ni(7)TiNb3Ni8 cuboctahedra, faces with three equivalent Ni(2)Nb4Ni8 cuboctahedra, and faces with six equivalent Ni(3)Nb4Ni8 cuboctahedra. In the third Ni site, Ni(3) is bonded to two equivalent Nb(1), two equivalent Nb(2), one Ni(3), one Ni(4), two equivalent Ni(2), two equivalent Ni(6), and two equivalent Ni(7) atoms to form distorted NiNb4Ni8 cuboctahedra that share corners with four equivalent Nb(2)Ni12 cuboctahedra, corners with four equivalent Ni(3)Nb4Ni8 cuboctahedra, corners with four equivalent Ni(6)Nb4Ni8 cuboctahedra, corners with six equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, edges with two equivalent Ti(1)Ni12 cuboctahedra, edges with two equivalent Nb(1)Ni12 cuboctahedra, edges with two equivalent Nb(2)Ni12 cuboctahedra, edges with two equivalent Ni(2)Nb4Ni8 cuboctahedra, edges with two equivalent Ni(3)Nb4Ni8 cuboctahedra, edges with two equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, edges with two equivalent Ni(5)Ti2Nb2Ni8 cuboctahedra, edges with four equivalent Ni(7)TiNb3Ni8 cuboctahedra,  a faceface with one Ni(4)Ti2Nb2Ni8 cuboctahedra, faces with two equivalent Nb(1)Ni12 cuboctahedra, faces with two equivalent Nb(2)Ni12 cuboctahedra, faces with two equivalent Ni(6)Nb4Ni8 cuboctahedra, faces with two equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, faces with two equivalent Ni(7)TiNb3Ni8 cuboctahedra, faces with three equivalent Ni(3)Nb4Ni8 cuboctahedra, and faces with six equivalent Ni(2)Nb4Ni8 cuboctahedra. In the fourth Ni site, Ni(4) is bonded to two equivalent Ti(1), two equivalent Nb(2), one Ni(3), one Ni(4), two equivalent Ni(1), two equivalent Ni(5), and two equivalent Ni(7) atoms to form distorted NiTi2Nb2Ni8 cuboctahedra that share corners with four equivalent Nb(2)Ni12 cuboctahedra, corners with four equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, corners with four equivalent Ni(5)Ti2Nb2Ni8 cuboctahedra, corners with six equivalent Ni(3)Nb4Ni8 cuboctahedra, edges with two equivalent Ti(1)Ni12 cuboctahedra, edges with two equivalent Nb(1)Ni12 cuboctahedra, edges with two equivalent Nb(2)Ni12 cuboctahedra, edges with two equivalent Ni(2)Nb4Ni8 cuboctahedra, edges with two equivalent Ni(6)Nb4Ni8 cuboctahedra, edges with two equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, edges with two equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, edges with four equivalent Ni(7)TiNb3Ni8 cuboctahedra,  a faceface with one Ni(3)Nb4Ni8 cuboctahedra, faces with two equivalent Ti(1)Ni12 cuboctahedra, faces with two equivalent Nb(2)Ni12 cuboctahedra, faces with two equivalent Ni(2)Nb4Ni8 cuboctahedra, faces with two equivalent Ni(5)Ti2Nb2Ni8 cuboctahedra, faces with two equivalent Ni(7)TiNb3Ni8 cuboctahedra, faces with three equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, and faces with six equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra. In the fifth Ni site, Ni(5) is bonded to two equivalent Ti(1), two equivalent Nb(2), four equivalent Ni(1), and four equivalent Ni(4) atoms to form distorted NiTi2Nb2Ni8 cuboctahedra that share corners with two equivalent Ni(6)Nb4Ni8 cuboctahedra, corners with eight equivalent Nb(2)Ni12 cuboctahedra, corners with eight equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, edges with two equivalent Ni(5)Ti2Nb2Ni8 cuboctahedra, edges with four equivalent Ni(2)Nb4Ni8 cuboctahedra, edges with four equivalent Ni(3)Nb4Ni8 cuboctahedra, edges with four equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, edges with four equivalent Ni(7)TiNb3Ni8 cuboctahedra, faces with two equivalent Nb(2)Ni12 cuboctahedra, faces with two equivalent Ni(5)Ti2Nb2Ni8 cuboctahedra, faces with four equivalent Ti(1)Ni12 cuboctahedra, faces with four equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, faces with four equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, and faces with four equivalent Ni(7)TiNb3Ni8 cuboctahedra. In the sixth Ni site, Ni(6) is bonded to two equivalent Nb(1), two equivalent Nb(2), four equivalent Ni(2), and four equivalent Ni(3) atoms to form distorted NiNb4Ni8 cuboctahedra that share corners with two equivalent Ni(5)Ti2Nb2Ni8 cuboctahedra, corners with eight equivalent Nb(2)Ni12 cuboctahedra, corners with eight equivalent Ni(3)Nb4Ni8 cuboctahedra, edges with two equivalent Ni(6)Nb4Ni8 cuboctahedra, edges with four equivalent Ni(2)Nb4Ni8 cuboctahedra, edges with four equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, edges with four equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, edges with four equivalent Ni(7)TiNb3Ni8 cuboctahedra, faces with two equivalent Nb(2)Ni12 cuboctahedra, faces with two equivalent Ni(6)Nb4Ni8 cuboctahedra, faces with four equivalent Nb(1)Ni12 cuboctahedra, faces with four equivalent Ni(2)Nb4Ni8 cuboctahedra, faces with four equivalent Ni(3)Nb4Ni8 cuboctahedra, and faces with four equivalent Ni(7)TiNb3Ni8 cuboctahedra. In the seventh Ni site, Ni(7) is bonded to one Ti(1), one Nb(1), two equivalent Nb(2), two equivalent Ni(1), two equivalent Ni(2), two equivalent Ni(3), and two equivalent Ni(4) atoms to form distorted NiTiNb3Ni8 cuboctahedra that share corners with two equivalent Ni(7)TiNb3Ni8 cuboctahedra, corners with four equivalent Ti(1)Ni12 cuboctahedra, corners with four equivalent Nb(1)Ni12 cuboctahedra, corners with four equivalent Ni(2)Nb4Ni8 cuboctahedra, corners with four equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, edges with two equivalent Ni(2)Nb4Ni8 cuboctahedra, edges with two equivalent Ni(6)Nb4Ni8 cuboctahedra, edges with two equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, edges with two equivalent Ni(5)Ti2Nb2Ni8 cuboctahedra, edges with two equivalent Ni(7)TiNb3Ni8 cuboctahedra, edges with four equivalent Ni(3)Nb4Ni8 cuboctahedra, edges with four equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra,  a faceface with one Ti(1)Ni12 cuboctahedra,  a faceface with one Nb(1)Ni12 cuboctahedra, faces with two equivalent Ni(2)Nb4Ni8 cuboctahedra, faces with two equivalent Ni(3)Nb4Ni8 cuboctahedra, faces with two equivalent Ni(6)Nb4Ni8 cuboctahedra, faces with two equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, faces with two equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, faces with two equivalent Ni(5)Ti2Nb2Ni8 cuboctahedra, faces with two equivalent Ni(7)TiNb3Ni8 cuboctahedra, and faces with four equivalent Nb(2)Ni12 cuboctahedra.
Ti(NbNi4)3 is beta Cu3Ti-derived structured and crystallizes in the orthorhombic Pmm2 space group. Ti(1) is bonded to two equivalent Ni(5), two equivalent Ni(7), four equivalent Ni(1), and four equivalent Ni(4) atoms to form TiNi12 cuboctahedra that share corners with two equivalent Nb(1)Ni12 cuboctahedra, corners with eight equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, corners with eight equivalent Ni(7)TiNb3Ni8 cuboctahedra, edges with two equivalent Ti(1)Ni12 cuboctahedra, edges with four equivalent Nb(2)Ni12 cuboctahedra, edges with four equivalent Ni(2)Nb4Ni8 cuboctahedra, edges with four equivalent Ni(3)Nb4Ni8 cuboctahedra, edges with four equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, faces with two equivalent Ti(1)Ni12 cuboctahedra, faces with two equivalent Ni(7)TiNb3Ni8 cuboctahedra, faces with four equivalent Nb(2)Ni12 cuboctahedra, faces with four equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, faces with four equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, and faces with four equivalent Ni(5)Ti2Nb2Ni8 cuboctahedra. Both Ti(1)-Ni(5) bond lengths are 2.59 Å. Both Ti(1)-Ni(7) bond lengths are 2.53 Å. There are two shorter (2.55 Å) and two longer (2.63 Å) Ti(1)-Ni(1) bond lengths. All Ti(1)-Ni(4) bond lengths are 2.60 Å. There are two inequivalent Nb sites. In the first Nb site, Nb(1) is bonded to two equivalent Ni(6), two equivalent Ni(7), four equivalent Ni(2), and four equivalent Ni(3) atoms to form NbNi12 cuboctahedra that share corners with two equivalent Ti(1)Ni12 cuboctahedra, corners with eight equivalent Ni(2)Nb4Ni8 cuboctahedra, corners with eight equivalent Ni(7)TiNb3Ni8 cuboctahedra, edges with two equivalent Nb(1)Ni12 cuboctahedra, edges with four equivalent Nb(2)Ni12 cuboctahedra, edges with four equivalent Ni(3)Nb4Ni8 cuboctahedra, edges with four equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, edges with four equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, faces with two equivalent Nb(1)Ni12 cuboctahedra, faces with two equivalent Ni(7)TiNb3Ni8 cuboctahedra, faces with four equivalent Nb(2)Ni12 cuboctahedra, faces with four equivalent Ni(2)Nb4Ni8 cuboctahedra, faces with four equivalent Ni(3)Nb4Ni8 cuboctahedra, and faces with four equivalent Ni(6)Nb4Ni8 cuboctahedra. Both Nb(1)-Ni(6) bond lengths are 2.59 Å. Both Nb(1)-Ni(7) bond lengths are 2.57 Å. There are two shorter (2.58 Å) and two longer (2.63 Å) Nb(1)-Ni(2) bond lengths. All Nb(1)-Ni(3) bond lengths are 2.60 Å. In the second Nb site, Nb(2) is bonded to one Ni(5), one Ni(6), two equivalent Ni(1), two equivalent Ni(2), two equivalent Ni(3), two equivalent Ni(4), and two equivalent Ni(7) atoms to form NbNi12 cuboctahedra that share corners with two equivalent Nb(2)Ni12 cuboctahedra, corners with four equivalent Ni(3)Nb4Ni8 cuboctahedra, corners with four equivalent Ni(6)Nb4Ni8 cuboctahedra, corners with four equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, corners with four equivalent Ni(5)Ti2Nb2Ni8 cuboctahedra, edges with two equivalent Ti(1)Ni12 cuboctahedra, edges with two equivalent Nb(1)Ni12 cuboctahedra, edges with two equivalent Nb(2)Ni12 cuboctahedra, edges with two equivalent Ni(3)Nb4Ni8 cuboctahedra, edges with two equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, edges with four equivalent Ni(2)Nb4Ni8 cuboctahedra, edges with four equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra,  a faceface with one Ni(6)Nb4Ni8 cuboctahedra,  a faceface with one Ni(5)Ti2Nb2Ni8 cuboctahedra, faces with two equivalent Ti(1)Ni12 cuboctahedra, faces with two equivalent Nb(1)Ni12 cuboctahedra, faces with two equivalent Nb(2)Ni12 cuboctahedra, faces with two equivalent Ni(2)Nb4Ni8 cuboctahedra, faces with two equivalent Ni(3)Nb4Ni8 cuboctahedra, faces with two equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, faces with two equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, and faces with four equivalent Ni(7)TiNb3Ni8 cuboctahedra. The Nb(2)-Ni(5) bond length is 2.54 Å. The Nb(2)-Ni(6) bond length is 2.56 Å. Both Nb(2)-Ni(1) bond lengths are 2.61 Å. Both Nb(2)-Ni(2) bond lengths are 2.61 Å. There is one shorter (2.57 Å) and one longer (2.63 Å) Nb(2)-Ni(3) bond length. There is one shorter (2.57 Å) and one longer (2.64 Å) Nb(2)-Ni(4) bond length. Both Nb(2)-Ni(7) bond lengths are 2.60 Å. There are seven inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to two equivalent Ti(1), two equivalent Nb(2), one Ni(1), one Ni(2), two equivalent Ni(4), two equivalent Ni(5), and two equivalent Ni(7) atoms to form distorted NiTi2Nb2Ni8 cuboctahedra that share corners with four equivalent Ti(1)Ni12 cuboctahedra, corners with four equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, corners with four equivalent Ni(7)TiNb3Ni8 cuboctahedra, corners with six equivalent Ni(2)Nb4Ni8 cuboctahedra, edges with two equivalent Nb(1)Ni12 cuboctahedra, edges with two equivalent Ni(3)Nb4Ni8 cuboctahedra, edges with two equivalent Ni(6)Nb4Ni8 cuboctahedra, edges with two equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, edges with two equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, edges with two equivalent Ni(5)Ti2Nb2Ni8 cuboctahedra, edges with two equivalent Ni(7)TiNb3Ni8 cuboctahedra, edges with four equivalent Nb(2)Ni12 cuboctahedra,  a faceface with one Ni(2)Nb4Ni8 cuboctahedra, faces with two equivalent Ti(1)Ni12 cuboctahedra, faces with two equivalent Nb(2)Ni12 cuboctahedra, faces with two equivalent Ni(3)Nb4Ni8 cuboctahedra, faces with two equivalent Ni(5)Ti2Nb2Ni8 cuboctahedra, faces with two equivalent Ni(7)TiNb3Ni8 cuboctahedra, faces with three equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, and faces with six equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra. The Ni(1)-Ni(1) bond length is 2.49 Å. The Ni(1)-Ni(2) bond length is 2.58 Å. Both Ni(1)-Ni(4) bond lengths are 2.56 Å. Both Ni(1)-Ni(5) bond lengths are 2.54 Å. There is one shorter (2.52 Å) and one longer (2.70 Å) Ni(1)-Ni(7) bond length. In the second Ni site, Ni(2) is bonded to two equivalent Nb(1), two equivalent Nb(2), one Ni(1), one Ni(2), two equivalent Ni(3), two equivalent Ni(6), and two equivalent Ni(7) atoms to form distorted NiNb4Ni8 cuboctahedra that share corners with four equivalent Nb(1)Ni12 cuboctahedra, corners with four equivalent Ni(2)Nb4Ni8 cuboctahedra, corners with four equivalent Ni(7)TiNb3Ni8 cuboctahedra, corners with six equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, edges with two equivalent Ti(1)Ni12 cuboctahedra, edges with two equivalent Ni(2)Nb4Ni8 cuboctahedra, edges with two equivalent Ni(3)Nb4Ni8 cuboctahedra, edges with two equivalent Ni(6)Nb4Ni8 cuboctahedra, edges with two equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, edges with two equivalent Ni(5)Ti2Nb2Ni8 cuboctahedra, edges with two equivalent Ni(7)TiNb3Ni8 cuboctahedra, edges with four equivalent Nb(2)Ni12 cuboctahedra,  a faceface with one Ni(1)Ti2Nb2Ni8 cuboctahedra, faces with two equivalent Nb(1)Ni12 cuboctahedra, faces with two equivalent Nb(2)Ni12 cuboctahedra, faces with two equivalent Ni(6)Nb4Ni8 cuboctahedra, faces with two equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, faces with two equivalent Ni(7)TiNb3Ni8 cuboctahedra, faces with three equivalent Ni(2)Nb4Ni8 cuboctahedra, and faces with six equivalent Ni(3)Nb4Ni8 cuboctahedra. The Ni(2)-Ni(2) bond length is 2.54 Å. Both Ni(2)-Ni(3) bond lengths are 2.55 Å. Both Ni(2)-Ni(6) bond lengths are 2.56 Å. There is one shorter (2.51 Å) and one longer (2.71 Å) Ni(2)-Ni(7) bond length. In the third Ni site, Ni(3) is bonded to two equivalent Nb(1), two equivalent Nb(2), one Ni(3), one Ni(4), two equivalent Ni(2), two equivalent Ni(6), and two equivalent Ni(7) atoms to form distorted NiNb4Ni8 cuboctahedra that share corners with four equivalent Nb(2)Ni12 cuboctahedra, corners with four equivalent Ni(3)Nb4Ni8 cuboctahedra, corners with four equivalent Ni(6)Nb4Ni8 cuboctahedra, corners with six equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, edges with two equivalent Ti(1)Ni12 cuboctahedra, edges with two equivalent Nb(1)Ni12 cuboctahedra, edges with two equivalent Nb(2)Ni12 cuboctahedra, edges with two equivalent Ni(2)Nb4Ni8 cuboctahedra, edges with two equivalent Ni(3)Nb4Ni8 cuboctahedra, edges with two equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, edges with two equivalent Ni(5)Ti2Nb2Ni8 cuboctahedra, edges with four equivalent Ni(7)TiNb3Ni8 cuboctahedra,  a faceface with one Ni(4)Ti2Nb2Ni8 cuboctahedra, faces with two equivalent Nb(1)Ni12 cuboctahedra, faces with two equivalent Nb(2)Ni12 cuboctahedra, faces with two equivalent Ni(6)Nb4Ni8 cuboctahedra, faces with two equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, faces with two equivalent Ni(7)TiNb3Ni8 cuboctahedra, faces with three equivalent Ni(3)Nb4Ni8 cuboctahedra, and faces with six equivalent Ni(2)Nb4Ni8 cuboctahedra. The Ni(3)-Ni(3) bond length is 2.56 Å. The Ni(3)-Ni(4) bond length is 2.54 Å. There is one shorter (2.51 Å) and one longer (2.70 Å) Ni(3)-Ni(6) bond length. Both Ni(3)-Ni(7) bond lengths are 2.56 Å. In the fourth Ni site, Ni(4) is bonded to two equivalent Ti(1), two equivalent Nb(2), one Ni(3), one Ni(4), two equivalent Ni(1), two equivalent Ni(5), and two equivalent Ni(7) atoms to form distorted NiTi2Nb2Ni8 cuboctahedra that share corners with four equivalent Nb(2)Ni12 cuboctahedra, corners with four equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, corners with four equivalent Ni(5)Ti2Nb2Ni8 cuboctahedra, corners with six equivalent Ni(3)Nb4Ni8 cuboctahedra, edges with two equivalent Ti(1)Ni12 cuboctahedra, edges with two equivalent Nb(1)Ni12 cuboctahedra, edges with two equivalent Nb(2)Ni12 cuboctahedra, edges with two equivalent Ni(2)Nb4Ni8 cuboctahedra, edges with two equivalent Ni(6)Nb4Ni8 cuboctahedra, edges with two equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, edges with two equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, edges with four equivalent Ni(7)TiNb3Ni8 cuboctahedra,  a faceface with one Ni(3)Nb4Ni8 cuboctahedra, faces with two equivalent Ti(1)Ni12 cuboctahedra, faces with two equivalent Nb(2)Ni12 cuboctahedra, faces with two equivalent Ni(2)Nb4Ni8 cuboctahedra, faces with two equivalent Ni(5)Ti2Nb2Ni8 cuboctahedra, faces with two equivalent Ni(7)TiNb3Ni8 cuboctahedra, faces with three equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, and faces with six equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra. The Ni(4)-Ni(4) bond length is 2.53 Å. There is one shorter (2.52 Å) and one longer (2.68 Å) Ni(4)-Ni(5) bond length. Both Ni(4)-Ni(7) bond lengths are 2.55 Å. In the fifth Ni site, Ni(5) is bonded to two equivalent Ti(1), two equivalent Nb(2), four equivalent Ni(1), and four equivalent Ni(4) atoms to form distorted NiTi2Nb2Ni8 cuboctahedra that share corners with two equivalent Ni(6)Nb4Ni8 cuboctahedra, corners with eight equivalent Nb(2)Ni12 cuboctahedra, corners with eight equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, edges with two equivalent Ni(5)Ti2Nb2Ni8 cuboctahedra, edges with four equivalent Ni(2)Nb4Ni8 cuboctahedra, edges with four equivalent Ni(3)Nb4Ni8 cuboctahedra, edges with four equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, edges with four equivalent Ni(7)TiNb3Ni8 cuboctahedra, faces with two equivalent Nb(2)Ni12 cuboctahedra, faces with two equivalent Ni(5)Ti2Nb2Ni8 cuboctahedra, faces with four equivalent Ti(1)Ni12 cuboctahedra, faces with four equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, faces with four equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, and faces with four equivalent Ni(7)TiNb3Ni8 cuboctahedra. In the sixth Ni site, Ni(6) is bonded to two equivalent Nb(1), two equivalent Nb(2), four equivalent Ni(2), and four equivalent Ni(3) atoms to form distorted NiNb4Ni8 cuboctahedra that share corners with two equivalent Ni(5)Ti2Nb2Ni8 cuboctahedra, corners with eight equivalent Nb(2)Ni12 cuboctahedra, corners with eight equivalent Ni(3)Nb4Ni8 cuboctahedra, edges with two equivalent Ni(6)Nb4Ni8 cuboctahedra, edges with four equivalent Ni(2)Nb4Ni8 cuboctahedra, edges with four equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, edges with four equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, edges with four equivalent Ni(7)TiNb3Ni8 cuboctahedra, faces with two equivalent Nb(2)Ni12 cuboctahedra, faces with two equivalent Ni(6)Nb4Ni8 cuboctahedra, faces with four equivalent Nb(1)Ni12 cuboctahedra, faces with four equivalent Ni(2)Nb4Ni8 cuboctahedra, faces with four equivalent Ni(3)Nb4Ni8 cuboctahedra, and faces with four equivalent Ni(7)TiNb3Ni8 cuboctahedra. In the seventh Ni site, Ni(7) is bonded to one Ti(1), one Nb(1), two equivalent Nb(2), two equivalent Ni(1), two equivalent Ni(2), two equivalent Ni(3), and two equivalent Ni(4) atoms to form distorted NiTiNb3Ni8 cuboctahedra that share corners with two equivalent Ni(7)TiNb3Ni8 cuboctahedra, corners with four equivalent Ti(1)Ni12 cuboctahedra, corners with four equivalent Nb(1)Ni12 cuboctahedra, corners with four equivalent Ni(2)Nb4Ni8 cuboctahedra, corners with four equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, edges with two equivalent Ni(2)Nb4Ni8 cuboctahedra, edges with two equivalent Ni(6)Nb4Ni8 cuboctahedra, edges with two equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, edges with two equivalent Ni(5)Ti2Nb2Ni8 cuboctahedra, edges with two equivalent Ni(7)TiNb3Ni8 cuboctahedra, edges with four equivalent Ni(3)Nb4Ni8 cuboctahedra, edges with four equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra,  a faceface with one Ti(1)Ni12 cuboctahedra,  a faceface with one Nb(1)Ni12 cuboctahedra, faces with two equivalent Ni(2)Nb4Ni8 cuboctahedra, faces with two equivalent Ni(3)Nb4Ni8 cuboctahedra, faces with two equivalent Ni(6)Nb4Ni8 cuboctahedra, faces with two equivalent Ni(1)Ti2Nb2Ni8 cuboctahedra, faces with two equivalent Ni(4)Ti2Nb2Ni8 cuboctahedra, faces with two equivalent Ni(5)Ti2Nb2Ni8 cuboctahedra, faces with two equivalent Ni(7)TiNb3Ni8 cuboctahedra, and faces with four equivalent Nb(2)Ni12 cuboctahedra.