Ti2Cr3Sb3O16 is Hydrophilite-derived structured and crystallizes in the monoclinic Cm space group. There are two inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(2), one O(8), two equivalent O(1), and two equivalent O(6) atoms to form TiO6 octahedra that share corners with two equivalent Cr(2)O6 octahedra, corners with four equivalent Sb(2)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, and edges with two equivalent Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-53°. In the second Ti site, Ti(2) is bonded in a 6-coordinate geometry to one O(12), one O(7), two equivalent O(11), and two equivalent O(9) atoms. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(11), one O(2), one O(3), one O(4), one O(6), and one O(7) atom to form CrO6 octahedra that share  an edgeedge with one Ti(1)O6 octahedra, edges with two equivalent Cr(1)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. In the second Cr site, Cr(2) is bonded to one O(10), one O(5), two equivalent O(1), and two equivalent O(9) atoms to form CrO6 octahedra that share corners with two equivalent Ti(1)O6 octahedra and edges with four equivalent Sb(2)O6 octahedra. The corner-sharing octahedral tilt angles are 48°. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(3), one O(4), two equivalent O(11), and two equivalent O(6) atoms to form SbO6 octahedra that share  an edgeedge with one Ti(1)O6 octahedra and edges with four equivalent Cr(1)O6 octahedra. In the second Sb site, Sb(2) is bonded to one O(1), one O(10), one O(12), one O(5), one O(8), and one O(9) atom to form SbO6 octahedra that share corners with two equivalent Ti(1)O6 octahedra, edges with two equivalent Cr(2)O6 octahedra, and edges with two equivalent Sb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-53°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Ti(1), one Cr(2), and one Sb(2) atom. In the second O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to one Ti(1) and two equivalent Cr(1) atoms. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to two equivalent Cr(1) and one Sb(1) atom. In the fourth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to two equivalent Cr(1) and one Sb(1) atom. In the fifth O site, O(5) is bonded in a distorted trigonal non-coplanar geometry to one Cr(2) and two equivalent Sb(2) atoms. In the sixth O site, O(6) is bonded in a distorted T-shaped geometry to one Ti(1), one Cr(1), and one Sb(1) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Ti(2) and two equivalent Cr(1) atoms. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Ti(1) and two equivalent Sb(2) atoms. In the ninth O site, O(9) is bonded in a trigonal non-coplanar geometry to one Ti(2), one Cr(2), and one Sb(2) atom. In the tenth O site, O(10) is bonded in a distorted T-shaped geometry to one Cr(2) and two equivalent Sb(2) atoms. In the eleventh O site, O(11) is bonded in a distorted trigonal planar geometry to one Ti(2), one Cr(1), and one Sb(1) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Ti(2) and two equivalent Sb(2) atoms.
Ti2Cr3Sb3O16 is Hydrophilite-derived structured and crystallizes in the monoclinic Cm space group. There are two inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(2), one O(8), two equivalent O(1), and two equivalent O(6) atoms to form TiO6 octahedra that share corners with two equivalent Cr(2)O6 octahedra, corners with four equivalent Sb(2)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, and edges with two equivalent Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-53°. The Ti(1)-O(2) bond length is 1.83 Å. The Ti(1)-O(8) bond length is 2.26 Å. Both Ti(1)-O(1) bond lengths are 2.01 Å. Both Ti(1)-O(6) bond lengths are 2.00 Å. In the second Ti site, Ti(2) is bonded in a 6-coordinate geometry to one O(12), one O(7), two equivalent O(11), and two equivalent O(9) atoms. The Ti(2)-O(12) bond length is 2.28 Å. The Ti(2)-O(7) bond length is 1.81 Å. Both Ti(2)-O(11) bond lengths are 1.95 Å. Both Ti(2)-O(9) bond lengths are 2.09 Å. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(11), one O(2), one O(3), one O(4), one O(6), and one O(7) atom to form CrO6 octahedra that share  an edgeedge with one Ti(1)O6 octahedra, edges with two equivalent Cr(1)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. The Cr(1)-O(11) bond length is 2.08 Å. The Cr(1)-O(2) bond length is 2.03 Å. The Cr(1)-O(3) bond length is 2.01 Å. The Cr(1)-O(4) bond length is 2.01 Å. The Cr(1)-O(6) bond length is 2.03 Å. The Cr(1)-O(7) bond length is 2.06 Å. In the second Cr site, Cr(2) is bonded to one O(10), one O(5), two equivalent O(1), and two equivalent O(9) atoms to form CrO6 octahedra that share corners with two equivalent Ti(1)O6 octahedra and edges with four equivalent Sb(2)O6 octahedra. The corner-sharing octahedral tilt angles are 48°. The Cr(2)-O(10) bond length is 2.04 Å. The Cr(2)-O(5) bond length is 2.04 Å. Both Cr(2)-O(1) bond lengths are 2.07 Å. Both Cr(2)-O(9) bond lengths are 2.01 Å. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(3), one O(4), two equivalent O(11), and two equivalent O(6) atoms to form SbO6 octahedra that share  an edgeedge with one Ti(1)O6 octahedra and edges with four equivalent Cr(1)O6 octahedra. The Sb(1)-O(3) bond length is 1.99 Å. The Sb(1)-O(4) bond length is 1.98 Å. Both Sb(1)-O(11) bond lengths are 2.05 Å. Both Sb(1)-O(6) bond lengths are 2.05 Å. In the second Sb site, Sb(2) is bonded to one O(1), one O(10), one O(12), one O(5), one O(8), and one O(9) atom to form SbO6 octahedra that share corners with two equivalent Ti(1)O6 octahedra, edges with two equivalent Cr(2)O6 octahedra, and edges with two equivalent Sb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-53°. The Sb(2)-O(1) bond length is 2.01 Å. The Sb(2)-O(10) bond length is 2.05 Å. The Sb(2)-O(12) bond length is 2.03 Å. The Sb(2)-O(5) bond length is 2.03 Å. The Sb(2)-O(8) bond length is 2.04 Å. The Sb(2)-O(9) bond length is 2.00 Å. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Ti(1), one Cr(2), and one Sb(2) atom. In the second O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to one Ti(1) and two equivalent Cr(1) atoms. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to two equivalent Cr(1) and one Sb(1) atom. In the fourth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to two equivalent Cr(1) and one Sb(1) atom. In the fifth O site, O(5) is bonded in a distorted trigonal non-coplanar geometry to one Cr(2) and two equivalent Sb(2) atoms. In the sixth O site, O(6) is bonded in a distorted T-shaped geometry to one Ti(1), one Cr(1), and one Sb(1) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Ti(2) and two equivalent Cr(1) atoms. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Ti(1) and two equivalent Sb(2) atoms. In the ninth O site, O(9) is bonded in a trigonal non-coplanar geometry to one Ti(2), one Cr(2), and one Sb(2) atom. In the tenth O site, O(10) is bonded in a distorted T-shaped geometry to one Cr(2) and two equivalent Sb(2) atoms. In the eleventh O site, O(11) is bonded in a distorted trigonal planar geometry to one Ti(2), one Cr(1), and one Sb(1) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Ti(2) and two equivalent Sb(2) atoms.