Zr2Pb4Sb2O13 crystallizes in the orthorhombic Imm2 space group. Zr(1) is bonded to one O(1), one O(4), two equivalent O(3), and two equivalent O(6) atoms to form ZrO6 octahedra that share corners with two equivalent Zr(1)O6 octahedra, corners with four equivalent Sb(1)O6 octahedra, edges with two equivalent Pb(1)O7 hexagonal pyramids, and edges with four equivalent Pb(2)O7 hexagonal pyramids. The corner-sharing octahedral tilt angles range from 44-49°. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded to one O(2), one O(5), one O(7), two equivalent O(3), and two equivalent O(6) atoms to form distorted PbO7 hexagonal pyramids that share  a cornercorner with one Pb(1)O7 hexagonal pyramid, corners with two equivalent Pb(2)O7 hexagonal pyramids,  an edgeedge with one Pb(1)O7 hexagonal pyramid, edges with two equivalent Pb(2)O7 hexagonal pyramids, edges with two equivalent Zr(1)O6 octahedra, and edges with four equivalent Sb(1)O6 octahedra. In the second Pb site, Pb(2) is bonded to one O(1), one O(4), one O(7), two equivalent O(3), and two equivalent O(6) 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 Sb(1)O6 octahedra, and edges with four equivalent Zr(1)O6 octahedra. Sb(1) is bonded to one O(2), one O(5), two equivalent O(3), and two equivalent O(6) atoms to form SbO6 octahedra that share corners with two equivalent Sb(1)O6 octahedra, corners with four equivalent Zr(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 42-44°. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to two equivalent Zr(1) and two equivalent Pb(2) atoms. In the second O site, O(2) is bonded in a 2-coordinate geometry to two equivalent Pb(1) and two equivalent Sb(1) atoms. In the third O site, O(3) is bonded in a 2-coordinate geometry to one Zr(1), one Pb(1), one Pb(2), and one Sb(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to two equivalent Zr(1) and two equivalent Pb(2) atoms. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to two equivalent Pb(1) and two equivalent Sb(1) atoms. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one Zr(1), one Pb(1), one Pb(2), and one Sb(1) atom. In the seventh O site, O(7) is bonded in a tetrahedral geometry to two equivalent Pb(1) and two equivalent Pb(2) atoms.
Zr2Pb4Sb2O13 crystallizes in the orthorhombic Imm2 space group. Zr(1) is bonded to one O(1), one O(4), two equivalent O(3), and two equivalent O(6) atoms to form ZrO6 octahedra that share corners with two equivalent Zr(1)O6 octahedra, corners with four equivalent Sb(1)O6 octahedra, edges with two equivalent Pb(1)O7 hexagonal pyramids, and edges with four equivalent Pb(2)O7 hexagonal pyramids. The corner-sharing octahedral tilt angles range from 44-49°. The Zr(1)-O(1) bond length is 2.12 Å. The Zr(1)-O(4) bond length is 2.09 Å. Both Zr(1)-O(3) bond lengths are 2.14 Å. Both Zr(1)-O(6) bond lengths are 2.12 Å. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded to one O(2), one O(5), one O(7), two equivalent O(3), and two equivalent O(6) atoms to form distorted PbO7 hexagonal pyramids that share  a cornercorner with one Pb(1)O7 hexagonal pyramid, corners with two equivalent Pb(2)O7 hexagonal pyramids,  an edgeedge with one Pb(1)O7 hexagonal pyramid, edges with two equivalent Pb(2)O7 hexagonal pyramids, edges with two equivalent Zr(1)O6 octahedra, and edges with four equivalent Sb(1)O6 octahedra. The Pb(1)-O(2) bond length is 2.75 Å. The Pb(1)-O(5) bond length is 2.76 Å. The Pb(1)-O(7) bond length is 2.33 Å. Both Pb(1)-O(3) bond lengths are 2.68 Å. Both Pb(1)-O(6) bond lengths are 2.70 Å. In the second Pb site, Pb(2) is bonded to one O(1), one O(4), one O(7), two equivalent O(3), and two equivalent O(6) 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 Sb(1)O6 octahedra, and edges with four equivalent Zr(1)O6 octahedra. The Pb(2)-O(1) bond length is 2.63 Å. The Pb(2)-O(4) bond length is 2.68 Å. The Pb(2)-O(7) bond length is 2.34 Å. Both Pb(2)-O(3) bond lengths are 2.75 Å. Both Pb(2)-O(6) bond lengths are 2.76 Å. Sb(1) is bonded to one O(2), one O(5), two equivalent O(3), and two equivalent O(6) atoms to form SbO6 octahedra that share corners with two equivalent Sb(1)O6 octahedra, corners with four equivalent Zr(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 42-44°. The Sb(1)-O(2) bond length is 2.05 Å. The Sb(1)-O(5) bond length is 2.04 Å. Both Sb(1)-O(3) bond lengths are 2.01 Å. Both Sb(1)-O(6) bond lengths are 2.00 Å. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to two equivalent Zr(1) and two equivalent Pb(2) atoms. In the second O site, O(2) is bonded in a 2-coordinate geometry to two equivalent Pb(1) and two equivalent Sb(1) atoms. In the third O site, O(3) is bonded in a 2-coordinate geometry to one Zr(1), one Pb(1), one Pb(2), and one Sb(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to two equivalent Zr(1) and two equivalent Pb(2) atoms. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to two equivalent Pb(1) and two equivalent Sb(1) atoms. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one Zr(1), one Pb(1), one Pb(2), and one Sb(1) atom. In the seventh O site, O(7) is bonded in a tetrahedral geometry to two equivalent Pb(1) and two equivalent Pb(2) atoms.