Ti3Pb4TeO13 crystallizes in the trigonal R3m space group. Ti(1) is bonded to one O(2), one O(4), two equivalent O(1), and two equivalent O(3) atoms to form TiO6 octahedra that share corners with two equivalent Te(1)O6 octahedra, corners with four equivalent Ti(1)O6 octahedra, edges with two equivalent Pb(2)O7 hexagonal pyramids, and edges with four equivalent Pb(1)O7 hexagonal pyramids. The corner-sharing octahedral tilt angles range from 41-43°. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded to one O(1), one O(3), one O(5), two equivalent O(2), and two equivalent O(4) atoms to form distorted PbO7 hexagonal pyramids that share  a cornercorner with one Pb(2)O7 hexagonal pyramid, corners with two equivalent Pb(1)O7 hexagonal pyramids,  an edgeedge with one Pb(2)O7 hexagonal pyramid, edges with two equivalent Pb(1)O7 hexagonal pyramids, edges with two equivalent Te(1)O6 octahedra, and edges with four equivalent Ti(1)O6 octahedra. In the second Pb site, Pb(2) is bonded to one O(5), three equivalent O(1), and three equivalent O(3) atoms to form distorted PbO7 hexagonal pyramids that share corners with three equivalent Pb(1)O7 hexagonal pyramids, edges with three equivalent Pb(1)O7 hexagonal pyramids, and edges with six equivalent Ti(1)O6 octahedra. Te(1) is bonded to three equivalent O(2) and three equivalent O(4) atoms to form TeO6 octahedra that share corners with six equivalent Ti(1)O6 octahedra and edges with six equivalent Pb(1)O7 hexagonal pyramids. The corner-sharing octahedral tilt angles range from 42-43°. There are five inequivalent O sites. In the first O site, O(5) is bonded in a tetrahedral geometry to one Pb(2) and three equivalent Pb(1) atoms. In the second O site, O(1) is bonded in a 2-coordinate geometry to two equivalent Ti(1), one Pb(1), and one Pb(2) atom. In the third O site, O(2) is bonded in a 4-coordinate geometry to one Ti(1), two equivalent Pb(1), and one Te(1) atom. In the fourth O site, O(3) is bonded in a distorted bent 150 degrees geometry to two equivalent Ti(1), one Pb(1), and one Pb(2) atom. In the fifth O site, O(4) is bonded in a 4-coordinate geometry to one Ti(1), two equivalent Pb(1), and one Te(1) atom.
Ti3Pb4TeO13 crystallizes in the trigonal R3m space group. Ti(1) is bonded to one O(2), one O(4), two equivalent O(1), and two equivalent O(3) atoms to form TiO6 octahedra that share corners with two equivalent Te(1)O6 octahedra, corners with four equivalent Ti(1)O6 octahedra, edges with two equivalent Pb(2)O7 hexagonal pyramids, and edges with four equivalent Pb(1)O7 hexagonal pyramids. The corner-sharing octahedral tilt angles range from 41-43°. The Ti(1)-O(2) bond length is 2.05 Å. The Ti(1)-O(4) bond length is 2.02 Å. Both Ti(1)-O(1) bond lengths are 1.98 Å. Both Ti(1)-O(3) bond lengths are 1.96 Å. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded to one O(1), one O(3), one O(5), two equivalent O(2), and two equivalent O(4) atoms to form distorted PbO7 hexagonal pyramids that share  a cornercorner with one Pb(2)O7 hexagonal pyramid, corners with two equivalent Pb(1)O7 hexagonal pyramids,  an edgeedge with one Pb(2)O7 hexagonal pyramid, edges with two equivalent Pb(1)O7 hexagonal pyramids, edges with two equivalent Te(1)O6 octahedra, and edges with four equivalent Ti(1)O6 octahedra. The Pb(1)-O(1) bond length is 2.66 Å. The Pb(1)-O(3) bond length is 2.67 Å. The Pb(1)-O(5) bond length is 2.30 Å. Both Pb(1)-O(2) bond lengths are 2.65 Å. Both Pb(1)-O(4) bond lengths are 2.65 Å. In the second Pb site, Pb(2) is bonded to one O(5), three equivalent O(1), and three equivalent O(3) atoms to form distorted PbO7 hexagonal pyramids that share corners with three equivalent Pb(1)O7 hexagonal pyramids, edges with three equivalent Pb(1)O7 hexagonal pyramids, and edges with six equivalent Ti(1)O6 octahedra. The Pb(2)-O(5) bond length is 2.33 Å. All Pb(2)-O(1) bond lengths are 2.67 Å. All Pb(2)-O(3) bond lengths are 2.68 Å. Te(1) is bonded to three equivalent O(2) and three equivalent O(4) atoms to form TeO6 octahedra that share corners with six equivalent Ti(1)O6 octahedra and edges with six equivalent Pb(1)O7 hexagonal pyramids. The corner-sharing octahedral tilt angles range from 42-43°. All Te(1)-O(2) bond lengths are 1.95 Å. All Te(1)-O(4) bond lengths are 1.94 Å. There are five inequivalent O sites. In the first O site, O(5) is bonded in a tetrahedral geometry to one Pb(2) and three equivalent Pb(1) atoms. In the second O site, O(1) is bonded in a 2-coordinate geometry to two equivalent Ti(1), one Pb(1), and one Pb(2) atom. In the third O site, O(2) is bonded in a 4-coordinate geometry to one Ti(1), two equivalent Pb(1), and one Te(1) atom. In the fourth O site, O(3) is bonded in a distorted bent 150 degrees geometry to two equivalent Ti(1), one Pb(1), and one Pb(2) atom. In the fifth O site, O(4) is bonded in a 4-coordinate geometry to one Ti(1), two equivalent Pb(1), and one Te(1) atom.