Ti13Sb3 is beta Cu3Ti-like structured and crystallizes in the orthorhombic Pmm2 space group. There are nine inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to two equivalent Ti(3), two equivalent Ti(4), two equivalent Ti(9), four equivalent Ti(7), and two equivalent Sb(2) atoms to form distorted TiTi10Sb2 cuboctahedra that share corners with two equivalent Ti(1)Ti10Sb2 cuboctahedra, corners with four equivalent Ti(9)Ti12 cuboctahedra, corners with four equivalent Ti(3)Ti9Sb3 cuboctahedra, corners with four equivalent Ti(4)Ti9Sb3 cuboctahedra, edges with two equivalent Ti(3)Ti9Sb3 cuboctahedra, edges with two equivalent Ti(4)Ti9Sb3 cuboctahedra, edges with two equivalent Sb(1)Ti12 cuboctahedra, edges with four equivalent Ti(7)Ti10Sb2 cuboctahedra, edges with four equivalent Ti(8)Ti8Sb4 cuboctahedra, edges with four equivalent Sb(3)Ti12 cuboctahedra, faces with two equivalent Ti(1)Ti10Sb2 cuboctahedra, faces with two equivalent Ti(9)Ti12 cuboctahedra, faces with two equivalent Ti(3)Ti9Sb3 cuboctahedra, faces with two equivalent Ti(4)Ti9Sb3 cuboctahedra, faces with two equivalent Sb(2)Ti12 cuboctahedra, and faces with four equivalent Ti(7)Ti10Sb2 cuboctahedra. In the second Ti site, Ti(2) is bonded in a distorted see-saw-like geometry to two equivalent Ti(3), two equivalent Ti(4), four equivalent Ti(8), two equivalent Sb(1), and two equivalent Sb(3) atoms. In the third Ti site, Ti(3) is bonded to one Ti(1), one Ti(2), one Ti(9), two equivalent Ti(3), two equivalent Ti(5), two equivalent Ti(8), one Sb(1), and two equivalent Sb(2) atoms to form distorted TiTi9Sb3 cuboctahedra that share corners with two equivalent Ti(1)Ti10Sb2 cuboctahedra, corners with two equivalent Ti(9)Ti12 cuboctahedra, corners with two equivalent Sb(1)Ti12 cuboctahedra, corners with four equivalent Ti(4)Ti9Sb3 cuboctahedra, corners with six equivalent Ti(3)Ti9Sb3 cuboctahedra,  an edgeedge with one Ti(1)Ti10Sb2 cuboctahedra,  an edgeedge with one Ti(9)Ti12 cuboctahedra,  an edgeedge with one Sb(1)Ti12 cuboctahedra, edges with two equivalent Ti(4)Ti9Sb3 cuboctahedra, edges with two equivalent Sb(2)Ti12 cuboctahedra, edges with two equivalent Sb(3)Ti12 cuboctahedra, edges with four equivalent Ti(7)Ti10Sb2 cuboctahedra,  a faceface with one Ti(1)Ti10Sb2 cuboctahedra,  a faceface with one Ti(9)Ti12 cuboctahedra,  a faceface with one Sb(1)Ti12 cuboctahedra, faces with two equivalent Ti(7)Ti10Sb2 cuboctahedra, faces with two equivalent Sb(2)Ti12 cuboctahedra, faces with four equivalent Ti(3)Ti9Sb3 cuboctahedra, and faces with six equivalent Ti(8)Ti8Sb4 cuboctahedra. In the fourth Ti site, Ti(4) is bonded to one Ti(1), one Ti(2), one Ti(9), two equivalent Ti(4), two equivalent Ti(6), two equivalent Ti(7), one Sb(1), and two equivalent Sb(3) atoms to form distorted TiTi9Sb3 cuboctahedra that share corners with two equivalent Ti(1)Ti10Sb2 cuboctahedra, corners with two equivalent Ti(9)Ti12 cuboctahedra, corners with two equivalent Sb(1)Ti12 cuboctahedra, corners with four equivalent Ti(3)Ti9Sb3 cuboctahedra, corners with six equivalent Ti(4)Ti9Sb3 cuboctahedra,  an edgeedge with one Ti(1)Ti10Sb2 cuboctahedra,  an edgeedge with one Ti(9)Ti12 cuboctahedra,  an edgeedge with one Sb(1)Ti12 cuboctahedra, edges with two equivalent Ti(3)Ti9Sb3 cuboctahedra, edges with two equivalent Sb(2)Ti12 cuboctahedra, edges with two equivalent Sb(3)Ti12 cuboctahedra, edges with four equivalent Ti(8)Ti8Sb4 cuboctahedra,  a faceface with one Ti(1)Ti10Sb2 cuboctahedra,  a faceface with one Ti(9)Ti12 cuboctahedra,  a faceface with one Sb(1)Ti12 cuboctahedra, faces with two equivalent Ti(8)Ti8Sb4 cuboctahedra, faces with two equivalent Sb(3)Ti12 cuboctahedra, faces with four equivalent Ti(4)Ti9Sb3 cuboctahedra, and faces with six equivalent Ti(7)Ti10Sb2 cuboctahedra. In the fifth Ti site, Ti(5) is bonded in a distorted linear geometry to two equivalent Ti(7), two equivalent Ti(8), two equivalent Ti(9), four equivalent Ti(3), and two equivalent Sb(2) atoms. In the sixth Ti site, Ti(6) is bonded in a distorted see-saw-like geometry to two equivalent Ti(7), two equivalent Ti(8), four equivalent Ti(4), two equivalent Sb(1), and two equivalent Sb(3) atoms. In the seventh Ti site, Ti(7) is bonded to one Ti(5), one Ti(6), two equivalent Ti(1), two equivalent Ti(4), two equivalent Ti(7), two equivalent Ti(9), one Sb(2), and one Sb(3) atom to form distorted TiTi10Sb2 cuboctahedra that share corners with two equivalent Sb(2)Ti12 cuboctahedra, corners with two equivalent Sb(3)Ti12 cuboctahedra, corners with four equivalent Ti(8)Ti8Sb4 cuboctahedra, corners with six equivalent Ti(7)Ti10Sb2 cuboctahedra,  an edgeedge with one Sb(2)Ti12 cuboctahedra,  an edgeedge with one Sb(3)Ti12 cuboctahedra, edges with two equivalent Ti(1)Ti10Sb2 cuboctahedra, edges with two equivalent Ti(9)Ti12 cuboctahedra, edges with two equivalent Ti(8)Ti8Sb4 cuboctahedra, edges with two equivalent Sb(1)Ti12 cuboctahedra, edges with four equivalent Ti(3)Ti9Sb3 cuboctahedra,  a faceface with one Sb(2)Ti12 cuboctahedra,  a faceface with one Sb(3)Ti12 cuboctahedra, faces with two equivalent Ti(1)Ti10Sb2 cuboctahedra, faces with two equivalent Ti(9)Ti12 cuboctahedra, faces with two equivalent Ti(3)Ti9Sb3 cuboctahedra, faces with four equivalent Ti(7)Ti10Sb2 cuboctahedra, and faces with six equivalent Ti(4)Ti9Sb3 cuboctahedra. In the eighth Ti site, Ti(8) is bonded to one Ti(5), one Ti(6), two equivalent Ti(2), two equivalent Ti(3), two equivalent Ti(8), one Sb(2), one Sb(3), and two equivalent Sb(1) atoms to form distorted TiTi8Sb4 cuboctahedra that share corners with two equivalent Sb(2)Ti12 cuboctahedra, corners with two equivalent Sb(3)Ti12 cuboctahedra, corners with four equivalent Ti(7)Ti10Sb2 cuboctahedra, corners with six equivalent Ti(8)Ti8Sb4 cuboctahedra,  an edgeedge with one Sb(2)Ti12 cuboctahedra,  an edgeedge with one Sb(3)Ti12 cuboctahedra, edges with two equivalent Ti(1)Ti10Sb2 cuboctahedra, edges with two equivalent Ti(7)Ti10Sb2 cuboctahedra, edges with two equivalent Ti(9)Ti12 cuboctahedra, edges with two equivalent Sb(1)Ti12 cuboctahedra, edges with four equivalent Ti(4)Ti9Sb3 cuboctahedra,  a faceface with one Sb(2)Ti12 cuboctahedra,  a faceface with one Sb(3)Ti12 cuboctahedra, faces with two equivalent Ti(4)Ti9Sb3 cuboctahedra, faces with two equivalent Sb(1)Ti12 cuboctahedra, faces with four equivalent Ti(8)Ti8Sb4 cuboctahedra, and faces with six equivalent Ti(3)Ti9Sb3 cuboctahedra. In the ninth Ti site, Ti(9) is bonded to two equivalent Ti(1), two equivalent Ti(3), two equivalent Ti(4), two equivalent Ti(5), and four equivalent Ti(7) atoms to form TiTi12 cuboctahedra that share corners with two equivalent Ti(9)Ti12 cuboctahedra, corners with four equivalent Ti(1)Ti10Sb2 cuboctahedra, corners with four equivalent Ti(3)Ti9Sb3 cuboctahedra, corners with four equivalent Ti(4)Ti9Sb3 cuboctahedra, corners with four equivalent Sb(1)Ti12 cuboctahedra, edges with two equivalent Ti(3)Ti9Sb3 cuboctahedra, edges with two equivalent Ti(4)Ti9Sb3 cuboctahedra, edges with four equivalent Ti(7)Ti10Sb2 cuboctahedra, edges with four equivalent Ti(8)Ti8Sb4 cuboctahedra, faces with two equivalent Ti(1)Ti10Sb2 cuboctahedra, faces with two equivalent Ti(9)Ti12 cuboctahedra, faces with two equivalent Ti(3)Ti9Sb3 cuboctahedra, faces with two equivalent Ti(4)Ti9Sb3 cuboctahedra, faces with two equivalent Sb(3)Ti12 cuboctahedra, faces with four equivalent Ti(7)Ti10Sb2 cuboctahedra, and faces with four equivalent Sb(2)Ti12 cuboctahedra. There are three inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to two equivalent Ti(2), two equivalent Ti(3), two equivalent Ti(4), two equivalent Ti(6), and four equivalent Ti(8) atoms to form distorted SbTi12 cuboctahedra that share corners with two equivalent Sb(1)Ti12 cuboctahedra, corners with four equivalent Ti(9)Ti12 cuboctahedra, corners with four equivalent Ti(3)Ti9Sb3 cuboctahedra, corners with four equivalent Ti(4)Ti9Sb3 cuboctahedra, edges with two equivalent Ti(1)Ti10Sb2 cuboctahedra, edges with two equivalent Ti(3)Ti9Sb3 cuboctahedra, edges with two equivalent Ti(4)Ti9Sb3 cuboctahedra, edges with four equivalent Ti(7)Ti10Sb2 cuboctahedra, edges with four equivalent Ti(8)Ti8Sb4 cuboctahedra, faces with two equivalent Ti(3)Ti9Sb3 cuboctahedra, faces with two equivalent Ti(4)Ti9Sb3 cuboctahedra, faces with two equivalent Sb(1)Ti12 cuboctahedra, faces with two equivalent Sb(2)Ti12 cuboctahedra, faces with four equivalent Ti(8)Ti8Sb4 cuboctahedra, and faces with four equivalent Sb(3)Ti12 cuboctahedra. In the second Sb site, Sb(2) is bonded to two equivalent Ti(1), two equivalent Ti(5), two equivalent Ti(7), two equivalent Ti(8), and four equivalent Ti(3) atoms to form SbTi12 cuboctahedra that share corners with two equivalent Sb(2)Ti12 cuboctahedra, corners with four equivalent Ti(7)Ti10Sb2 cuboctahedra, corners with four equivalent Ti(8)Ti8Sb4 cuboctahedra, corners with four equivalent Sb(3)Ti12 cuboctahedra, edges with two equivalent Ti(7)Ti10Sb2 cuboctahedra, edges with two equivalent Ti(8)Ti8Sb4 cuboctahedra, edges with four equivalent Ti(3)Ti9Sb3 cuboctahedra, edges with four equivalent Ti(4)Ti9Sb3 cuboctahedra, faces with two equivalent Ti(1)Ti10Sb2 cuboctahedra, faces with two equivalent Ti(7)Ti10Sb2 cuboctahedra, faces with two equivalent Ti(8)Ti8Sb4 cuboctahedra, faces with two equivalent Sb(1)Ti12 cuboctahedra, faces with two equivalent Sb(2)Ti12 cuboctahedra, faces with four equivalent Ti(9)Ti12 cuboctahedra, and faces with four equivalent Ti(3)Ti9Sb3 cuboctahedra. In the third Sb site, Sb(3) is bonded to two equivalent Ti(2), two equivalent Ti(6), two equivalent Ti(7), two equivalent Ti(8), and four equivalent Ti(4) atoms to form SbTi12 cuboctahedra that share corners with two equivalent Sb(3)Ti12 cuboctahedra, corners with four equivalent Ti(7)Ti10Sb2 cuboctahedra, corners with four equivalent Ti(8)Ti8Sb4 cuboctahedra, corners with four equivalent Sb(2)Ti12 cuboctahedra, edges with two equivalent Ti(7)Ti10Sb2 cuboctahedra, edges with two equivalent Ti(8)Ti8Sb4 cuboctahedra, edges with four equivalent Ti(1)Ti10Sb2 cuboctahedra, edges with four equivalent Ti(3)Ti9Sb3 cuboctahedra, edges with four equivalent Ti(4)Ti9Sb3 cuboctahedra, faces with two equivalent Ti(7)Ti10Sb2 cuboctahedra, faces with two equivalent Ti(9)Ti12 cuboctahedra, faces with two equivalent Ti(8)Ti8Sb4 cuboctahedra, faces with two equivalent Sb(3)Ti12 cuboctahedra, faces with four equivalent Ti(4)Ti9Sb3 cuboctahedra, and faces with four equivalent Sb(1)Ti12 cuboctahedra.
Ti13Sb3 is beta Cu3Ti-like structured and crystallizes in the orthorhombic Pmm2 space group. There are nine inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to two equivalent Ti(3), two equivalent Ti(4), two equivalent Ti(9), four equivalent Ti(7), and two equivalent Sb(2) atoms to form distorted TiTi10Sb2 cuboctahedra that share corners with two equivalent Ti(1)Ti10Sb2 cuboctahedra, corners with four equivalent Ti(9)Ti12 cuboctahedra, corners with four equivalent Ti(3)Ti9Sb3 cuboctahedra, corners with four equivalent Ti(4)Ti9Sb3 cuboctahedra, edges with two equivalent Ti(3)Ti9Sb3 cuboctahedra, edges with two equivalent Ti(4)Ti9Sb3 cuboctahedra, edges with two equivalent Sb(1)Ti12 cuboctahedra, edges with four equivalent Ti(7)Ti10Sb2 cuboctahedra, edges with four equivalent Ti(8)Ti8Sb4 cuboctahedra, edges with four equivalent Sb(3)Ti12 cuboctahedra, faces with two equivalent Ti(1)Ti10Sb2 cuboctahedra, faces with two equivalent Ti(9)Ti12 cuboctahedra, faces with two equivalent Ti(3)Ti9Sb3 cuboctahedra, faces with two equivalent Ti(4)Ti9Sb3 cuboctahedra, faces with two equivalent Sb(2)Ti12 cuboctahedra, and faces with four equivalent Ti(7)Ti10Sb2 cuboctahedra. Both Ti(1)-Ti(3) bond lengths are 2.93 Å. Both Ti(1)-Ti(4) bond lengths are 2.91 Å. Both Ti(1)-Ti(9) bond lengths are 2.85 Å. All Ti(1)-Ti(7) bond lengths are 2.97 Å. Both Ti(1)-Sb(2) bond lengths are 2.87 Å. In the second Ti site, Ti(2) is bonded in a distorted see-saw-like geometry to two equivalent Ti(3), two equivalent Ti(4), four equivalent Ti(8), two equivalent Sb(1), and two equivalent Sb(3) atoms. Both Ti(2)-Ti(3) bond lengths are 3.01 Å. Both Ti(2)-Ti(4) bond lengths are 3.06 Å. All Ti(2)-Ti(8) bond lengths are 2.95 Å. Both Ti(2)-Sb(1) bond lengths are 2.85 Å. Both Ti(2)-Sb(3) bond lengths are 2.86 Å. In the third Ti site, Ti(3) is bonded to one Ti(1), one Ti(2), one Ti(9), two equivalent Ti(3), two equivalent Ti(5), two equivalent Ti(8), one Sb(1), and two equivalent Sb(2) atoms to form distorted TiTi9Sb3 cuboctahedra that share corners with two equivalent Ti(1)Ti10Sb2 cuboctahedra, corners with two equivalent Ti(9)Ti12 cuboctahedra, corners with two equivalent Sb(1)Ti12 cuboctahedra, corners with four equivalent Ti(4)Ti9Sb3 cuboctahedra, corners with six equivalent Ti(3)Ti9Sb3 cuboctahedra,  an edgeedge with one Ti(1)Ti10Sb2 cuboctahedra,  an edgeedge with one Ti(9)Ti12 cuboctahedra,  an edgeedge with one Sb(1)Ti12 cuboctahedra, edges with two equivalent Ti(4)Ti9Sb3 cuboctahedra, edges with two equivalent Sb(2)Ti12 cuboctahedra, edges with two equivalent Sb(3)Ti12 cuboctahedra, edges with four equivalent Ti(7)Ti10Sb2 cuboctahedra,  a faceface with one Ti(1)Ti10Sb2 cuboctahedra,  a faceface with one Ti(9)Ti12 cuboctahedra,  a faceface with one Sb(1)Ti12 cuboctahedra, faces with two equivalent Ti(7)Ti10Sb2 cuboctahedra, faces with two equivalent Sb(2)Ti12 cuboctahedra, faces with four equivalent Ti(3)Ti9Sb3 cuboctahedra, and faces with six equivalent Ti(8)Ti8Sb4 cuboctahedra. The Ti(3)-Ti(9) bond length is 2.99 Å. There is one shorter (2.70 Å) and one longer (3.00 Å) Ti(3)-Ti(3) bond length. Both Ti(3)-Ti(5) bond lengths are 2.93 Å. Both Ti(3)-Ti(8) bond lengths are 2.86 Å. The Ti(3)-Sb(1) bond length is 2.97 Å. Both Ti(3)-Sb(2) bond lengths are 2.95 Å. In the fourth Ti site, Ti(4) is bonded to one Ti(1), one Ti(2), one Ti(9), two equivalent Ti(4), two equivalent Ti(6), two equivalent Ti(7), one Sb(1), and two equivalent Sb(3) atoms to form distorted TiTi9Sb3 cuboctahedra that share corners with two equivalent Ti(1)Ti10Sb2 cuboctahedra, corners with two equivalent Ti(9)Ti12 cuboctahedra, corners with two equivalent Sb(1)Ti12 cuboctahedra, corners with four equivalent Ti(3)Ti9Sb3 cuboctahedra, corners with six equivalent Ti(4)Ti9Sb3 cuboctahedra,  an edgeedge with one Ti(1)Ti10Sb2 cuboctahedra,  an edgeedge with one Ti(9)Ti12 cuboctahedra,  an edgeedge with one Sb(1)Ti12 cuboctahedra, edges with two equivalent Ti(3)Ti9Sb3 cuboctahedra, edges with two equivalent Sb(2)Ti12 cuboctahedra, edges with two equivalent Sb(3)Ti12 cuboctahedra, edges with four equivalent Ti(8)Ti8Sb4 cuboctahedra,  a faceface with one Ti(1)Ti10Sb2 cuboctahedra,  a faceface with one Ti(9)Ti12 cuboctahedra,  a faceface with one Sb(1)Ti12 cuboctahedra, faces with two equivalent Ti(8)Ti8Sb4 cuboctahedra, faces with two equivalent Sb(3)Ti12 cuboctahedra, faces with four equivalent Ti(4)Ti9Sb3 cuboctahedra, and faces with six equivalent Ti(7)Ti10Sb2 cuboctahedra. The Ti(4)-Ti(9) bond length is 2.81 Å. There is one shorter (2.79 Å) and one longer (2.91 Å) Ti(4)-Ti(4) bond length. Both Ti(4)-Ti(6) bond lengths are 3.01 Å. Both Ti(4)-Ti(7) bond lengths are 2.77 Å. The Ti(4)-Sb(1) bond length is 3.15 Å. Both Ti(4)-Sb(3) bond lengths are 3.00 Å. In the fifth Ti site, Ti(5) is bonded in a distorted linear geometry to two equivalent Ti(7), two equivalent Ti(8), two equivalent Ti(9), four equivalent Ti(3), and two equivalent Sb(2) atoms. Both Ti(5)-Ti(7) bond lengths are 2.97 Å. Both Ti(5)-Ti(8) bond lengths are 2.99 Å. Both Ti(5)-Ti(9) bond lengths are 2.86 Å. Both Ti(5)-Sb(2) bond lengths are 2.85 Å. In the sixth Ti site, Ti(6) is bonded in a distorted see-saw-like geometry to two equivalent Ti(7), two equivalent Ti(8), four equivalent Ti(4), two equivalent Sb(1), and two equivalent Sb(3) atoms. Both Ti(6)-Ti(7) bond lengths are 2.97 Å. Both Ti(6)-Ti(8) bond lengths are 2.98 Å. Both Ti(6)-Sb(1) bond lengths are 2.88 Å. Both Ti(6)-Sb(3) bond lengths are 2.85 Å. In the seventh Ti site, Ti(7) is bonded to one Ti(5), one Ti(6), two equivalent Ti(1), two equivalent Ti(4), two equivalent Ti(7), two equivalent Ti(9), one Sb(2), and one Sb(3) atom to form distorted TiTi10Sb2 cuboctahedra that share corners with two equivalent Sb(2)Ti12 cuboctahedra, corners with two equivalent Sb(3)Ti12 cuboctahedra, corners with four equivalent Ti(8)Ti8Sb4 cuboctahedra, corners with six equivalent Ti(7)Ti10Sb2 cuboctahedra,  an edgeedge with one Sb(2)Ti12 cuboctahedra,  an edgeedge with one Sb(3)Ti12 cuboctahedra, edges with two equivalent Ti(1)Ti10Sb2 cuboctahedra, edges with two equivalent Ti(9)Ti12 cuboctahedra, edges with two equivalent Ti(8)Ti8Sb4 cuboctahedra, edges with two equivalent Sb(1)Ti12 cuboctahedra, edges with four equivalent Ti(3)Ti9Sb3 cuboctahedra,  a faceface with one Sb(2)Ti12 cuboctahedra,  a faceface with one Sb(3)Ti12 cuboctahedra, faces with two equivalent Ti(1)Ti10Sb2 cuboctahedra, faces with two equivalent Ti(9)Ti12 cuboctahedra, faces with two equivalent Ti(3)Ti9Sb3 cuboctahedra, faces with four equivalent Ti(7)Ti10Sb2 cuboctahedra, and faces with six equivalent Ti(4)Ti9Sb3 cuboctahedra. There is one shorter (2.76 Å) and one longer (2.93 Å) Ti(7)-Ti(7) bond length. Both Ti(7)-Ti(9) bond lengths are 2.96 Å. The Ti(7)-Sb(2) bond length is 3.06 Å. The Ti(7)-Sb(3) bond length is 2.92 Å. In the eighth Ti site, Ti(8) is bonded to one Ti(5), one Ti(6), two equivalent Ti(2), two equivalent Ti(3), two equivalent Ti(8), one Sb(2), one Sb(3), and two equivalent Sb(1) atoms to form distorted TiTi8Sb4 cuboctahedra that share corners with two equivalent Sb(2)Ti12 cuboctahedra, corners with two equivalent Sb(3)Ti12 cuboctahedra, corners with four equivalent Ti(7)Ti10Sb2 cuboctahedra, corners with six equivalent Ti(8)Ti8Sb4 cuboctahedra,  an edgeedge with one Sb(2)Ti12 cuboctahedra,  an edgeedge with one Sb(3)Ti12 cuboctahedra, edges with two equivalent Ti(1)Ti10Sb2 cuboctahedra, edges with two equivalent Ti(7)Ti10Sb2 cuboctahedra, edges with two equivalent Ti(9)Ti12 cuboctahedra, edges with two equivalent Sb(1)Ti12 cuboctahedra, edges with four equivalent Ti(4)Ti9Sb3 cuboctahedra,  a faceface with one Sb(2)Ti12 cuboctahedra,  a faceface with one Sb(3)Ti12 cuboctahedra, faces with two equivalent Ti(4)Ti9Sb3 cuboctahedra, faces with two equivalent Sb(1)Ti12 cuboctahedra, faces with four equivalent Ti(8)Ti8Sb4 cuboctahedra, and faces with six equivalent Ti(3)Ti9Sb3 cuboctahedra. There is one shorter (2.73 Å) and one longer (2.97 Å) Ti(8)-Ti(8) bond length. The Ti(8)-Sb(2) bond length is 2.92 Å. The Ti(8)-Sb(3) bond length is 3.02 Å. Both Ti(8)-Sb(1) bond lengths are 2.96 Å. In the ninth Ti site, Ti(9) is bonded to two equivalent Ti(1), two equivalent Ti(3), two equivalent Ti(4), two equivalent Ti(5), and four equivalent Ti(7) atoms to form TiTi12 cuboctahedra that share corners with two equivalent Ti(9)Ti12 cuboctahedra, corners with four equivalent Ti(1)Ti10Sb2 cuboctahedra, corners with four equivalent Ti(3)Ti9Sb3 cuboctahedra, corners with four equivalent Ti(4)Ti9Sb3 cuboctahedra, corners with four equivalent Sb(1)Ti12 cuboctahedra, edges with two equivalent Ti(3)Ti9Sb3 cuboctahedra, edges with two equivalent Ti(4)Ti9Sb3 cuboctahedra, edges with four equivalent Ti(7)Ti10Sb2 cuboctahedra, edges with four equivalent Ti(8)Ti8Sb4 cuboctahedra, faces with two equivalent Ti(1)Ti10Sb2 cuboctahedra, faces with two equivalent Ti(9)Ti12 cuboctahedra, faces with two equivalent Ti(3)Ti9Sb3 cuboctahedra, faces with two equivalent Ti(4)Ti9Sb3 cuboctahedra, faces with two equivalent Sb(3)Ti12 cuboctahedra, faces with four equivalent Ti(7)Ti10Sb2 cuboctahedra, and faces with four equivalent Sb(2)Ti12 cuboctahedra. There are three inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to two equivalent Ti(2), two equivalent Ti(3), two equivalent Ti(4), two equivalent Ti(6), and four equivalent Ti(8) atoms to form distorted SbTi12 cuboctahedra that share corners with two equivalent Sb(1)Ti12 cuboctahedra, corners with four equivalent Ti(9)Ti12 cuboctahedra, corners with four equivalent Ti(3)Ti9Sb3 cuboctahedra, corners with four equivalent Ti(4)Ti9Sb3 cuboctahedra, edges with two equivalent Ti(1)Ti10Sb2 cuboctahedra, edges with two equivalent Ti(3)Ti9Sb3 cuboctahedra, edges with two equivalent Ti(4)Ti9Sb3 cuboctahedra, edges with four equivalent Ti(7)Ti10Sb2 cuboctahedra, edges with four equivalent Ti(8)Ti8Sb4 cuboctahedra, faces with two equivalent Ti(3)Ti9Sb3 cuboctahedra, faces with two equivalent Ti(4)Ti9Sb3 cuboctahedra, faces with two equivalent Sb(1)Ti12 cuboctahedra, faces with two equivalent Sb(2)Ti12 cuboctahedra, faces with four equivalent Ti(8)Ti8Sb4 cuboctahedra, and faces with four equivalent Sb(3)Ti12 cuboctahedra. In the second Sb site, Sb(2) is bonded to two equivalent Ti(1), two equivalent Ti(5), two equivalent Ti(7), two equivalent Ti(8), and four equivalent Ti(3) atoms to form SbTi12 cuboctahedra that share corners with two equivalent Sb(2)Ti12 cuboctahedra, corners with four equivalent Ti(7)Ti10Sb2 cuboctahedra, corners with four equivalent Ti(8)Ti8Sb4 cuboctahedra, corners with four equivalent Sb(3)Ti12 cuboctahedra, edges with two equivalent Ti(7)Ti10Sb2 cuboctahedra, edges with two equivalent Ti(8)Ti8Sb4 cuboctahedra, edges with four equivalent Ti(3)Ti9Sb3 cuboctahedra, edges with four equivalent Ti(4)Ti9Sb3 cuboctahedra, faces with two equivalent Ti(1)Ti10Sb2 cuboctahedra, faces with two equivalent Ti(7)Ti10Sb2 cuboctahedra, faces with two equivalent Ti(8)Ti8Sb4 cuboctahedra, faces with two equivalent Sb(1)Ti12 cuboctahedra, faces with two equivalent Sb(2)Ti12 cuboctahedra, faces with four equivalent Ti(9)Ti12 cuboctahedra, and faces with four equivalent Ti(3)Ti9Sb3 cuboctahedra. In the third Sb site, Sb(3) is bonded to two equivalent Ti(2), two equivalent Ti(6), two equivalent Ti(7), two equivalent Ti(8), and four equivalent Ti(4) atoms to form SbTi12 cuboctahedra that share corners with two equivalent Sb(3)Ti12 cuboctahedra, corners with four equivalent Ti(7)Ti10Sb2 cuboctahedra, corners with four equivalent Ti(8)Ti8Sb4 cuboctahedra, corners with four equivalent Sb(2)Ti12 cuboctahedra, edges with two equivalent Ti(7)Ti10Sb2 cuboctahedra, edges with two equivalent Ti(8)Ti8Sb4 cuboctahedra, edges with four equivalent Ti(1)Ti10Sb2 cuboctahedra, edges with four equivalent Ti(3)Ti9Sb3 cuboctahedra, edges with four equivalent Ti(4)Ti9Sb3 cuboctahedra, faces with two equivalent Ti(7)Ti10Sb2 cuboctahedra, faces with two equivalent Ti(9)Ti12 cuboctahedra, faces with two equivalent Ti(8)Ti8Sb4 cuboctahedra, faces with two equivalent Sb(3)Ti12 cuboctahedra, faces with four equivalent Ti(4)Ti9Sb3 cuboctahedra, and faces with four equivalent Sb(1)Ti12 cuboctahedra.