Zr(PbO3)2 crystallizes in the monoclinic P2_1 space group. There are two inequivalent Zr sites. In the first Zr site, Zr(1) is bonded in a 6-coordinate geometry to one O(10), one O(2), one O(3), one O(5), one O(6), and one O(9) atom. In the second Zr site, Zr(2) is bonded to one O(11), one O(12), one O(2), one O(3), one O(7), and one O(8) atom to form distorted ZrO6 pentagonal pyramids that share  a cornercorner with one Pb(3)O6 pentagonal pyramid and  an edgeedge with one Pb(3)O6 pentagonal pyramid. There are four inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(4), one O(6), and two equivalent O(9) atoms. In the second Pb site, Pb(2) is bonded in a 6-coordinate geometry to one O(10), one O(7), two equivalent O(5), and two equivalent O(6) atoms. In the third Pb site, Pb(3) is bonded to one O(1), one O(10), one O(11), one O(12), one O(4), and one O(7) atom to form distorted PbO6 pentagonal pyramids that share  a cornercorner with one Zr(2)O6 pentagonal pyramid and  an edgeedge with one Zr(2)O6 pentagonal pyramid. In the fourth Pb site, Pb(4) is bonded in a 5-coordinate geometry to one O(1), one O(11), one O(2), and two equivalent O(8) atoms. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Pb(1), one Pb(3), and one Pb(4) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Zr(1), one Zr(2), one Pb(1), and one Pb(4) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Zr(1) and one Zr(2) atom. In the fourth O site, O(4) is bonded in a distorted water-like geometry to one Pb(1) and one Pb(3) atom. In the fifth O site, O(5) is bonded in a trigonal non-coplanar geometry to one Zr(1) and two equivalent Pb(2) atoms. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Zr(1), one Pb(1), and two equivalent Pb(2) atoms. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Zr(2), one Pb(2), and one Pb(3) atom. In the eighth O site, O(8) is bonded in a distorted trigonal non-coplanar geometry to one Zr(2) and two equivalent Pb(4) atoms. In the ninth O site, O(9) is bonded in a distorted trigonal non-coplanar geometry to one Zr(1) and two equivalent Pb(1) atoms. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Zr(1), one Pb(2), and one Pb(3) atom. In the eleventh O site, O(11) is bonded in a distorted T-shaped geometry to one Zr(2), one Pb(3), and one Pb(4) atom. In the twelfth O site, O(12) is bonded in a distorted bent 120 degrees geometry to one Zr(2) and one Pb(3) atom.
Zr(PbO3)2 crystallizes in the monoclinic P2_1 space group. There are two inequivalent Zr sites. In the first Zr site, Zr(1) is bonded in a 6-coordinate geometry to one O(10), one O(2), one O(3), one O(5), one O(6), and one O(9) atom. The Zr(1)-O(10) bond length is 2.09 Å. The Zr(1)-O(2) bond length is 2.13 Å. The Zr(1)-O(3) bond length is 1.98 Å. The Zr(1)-O(5) bond length is 2.33 Å. The Zr(1)-O(6) bond length is 2.21 Å. The Zr(1)-O(9) bond length is 2.25 Å. In the second Zr site, Zr(2) is bonded to one O(11), one O(12), one O(2), one O(3), one O(7), and one O(8) atom to form distorted ZrO6 pentagonal pyramids that share  a cornercorner with one Pb(3)O6 pentagonal pyramid and  an edgeedge with one Pb(3)O6 pentagonal pyramid. The Zr(2)-O(11) bond length is 2.10 Å. The Zr(2)-O(12) bond length is 2.10 Å. The Zr(2)-O(2) bond length is 2.25 Å. The Zr(2)-O(3) bond length is 2.03 Å. The Zr(2)-O(7) bond length is 2.15 Å. The Zr(2)-O(8) bond length is 2.19 Å. There are four inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(4), one O(6), and two equivalent O(9) atoms. The Pb(1)-O(1) bond length is 2.51 Å. The Pb(1)-O(2) bond length is 2.57 Å. The Pb(1)-O(4) bond length is 2.12 Å. The Pb(1)-O(6) bond length is 2.21 Å. There is one shorter (2.12 Å) and one longer (2.31 Å) Pb(1)-O(9) bond length. In the second Pb site, Pb(2) is bonded in a 6-coordinate geometry to one O(10), one O(7), two equivalent O(5), and two equivalent O(6) atoms. The Pb(2)-O(10) bond length is 2.35 Å. The Pb(2)-O(7) bond length is 2.07 Å. There is one shorter (2.08 Å) and one longer (2.36 Å) Pb(2)-O(5) bond length. There is one shorter (2.30 Å) and one longer (2.53 Å) Pb(2)-O(6) bond length. In the third Pb site, Pb(3) is bonded to one O(1), one O(10), one O(11), one O(12), one O(4), and one O(7) atom to form distorted PbO6 pentagonal pyramids that share  a cornercorner with one Zr(2)O6 pentagonal pyramid and  an edgeedge with one Zr(2)O6 pentagonal pyramid. The Pb(3)-O(1) bond length is 2.37 Å. The Pb(3)-O(10) bond length is 2.15 Å. The Pb(3)-O(11) bond length is 2.20 Å. The Pb(3)-O(12) bond length is 2.15 Å. The Pb(3)-O(4) bond length is 2.27 Å. The Pb(3)-O(7) bond length is 2.29 Å. In the fourth Pb site, Pb(4) is bonded in a 5-coordinate geometry to one O(1), one O(11), one O(2), and two equivalent O(8) atoms. The Pb(4)-O(1) bond length is 2.09 Å. The Pb(4)-O(11) bond length is 2.25 Å. The Pb(4)-O(2) bond length is 2.29 Å. There is one shorter (2.10 Å) and one longer (2.16 Å) Pb(4)-O(8) bond length. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Pb(1), one Pb(3), and one Pb(4) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Zr(1), one Zr(2), one Pb(1), and one Pb(4) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Zr(1) and one Zr(2) atom. In the fourth O site, O(4) is bonded in a distorted water-like geometry to one Pb(1) and one Pb(3) atom. In the fifth O site, O(5) is bonded in a trigonal non-coplanar geometry to one Zr(1) and two equivalent Pb(2) atoms. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Zr(1), one Pb(1), and two equivalent Pb(2) atoms. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Zr(2), one Pb(2), and one Pb(3) atom. In the eighth O site, O(8) is bonded in a distorted trigonal non-coplanar geometry to one Zr(2) and two equivalent Pb(4) atoms. In the ninth O site, O(9) is bonded in a distorted trigonal non-coplanar geometry to one Zr(1) and two equivalent Pb(1) atoms. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Zr(1), one Pb(2), and one Pb(3) atom. In the eleventh O site, O(11) is bonded in a distorted T-shaped geometry to one Zr(2), one Pb(3), and one Pb(4) atom. In the twelfth O site, O(12) is bonded in a distorted bent 120 degrees geometry to one Zr(2) and one Pb(3) atom.