Pb2Mn(VO4)2(OH) crystallizes in the monoclinic P2_1/m space group. There are two inequivalent V sites. In the first V site, V(1) is bonded to one O(3), one O(4), and two equivalent O(2) atoms to form VO4 tetrahedra that share corners with two equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles are 56°. In the second V site, V(2) is bonded to one O(5), one O(6), and two equivalent O(7) atoms to form VO4 tetrahedra that share corners with two equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles are 47°. Mn(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(6) atoms to form MnO6 octahedra that share corners with two equivalent V(1)O4 tetrahedra, corners with two equivalent V(2)O4 tetrahedra, and edges with two equivalent Mn(1)O6 octahedra. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 6-coordinate geometry to one O(4), one O(5), two equivalent O(2), and two equivalent O(7) atoms. In the second Pb site, Pb(2) is bonded in a 5-coordinate geometry to one O(3) and four equivalent O(7) atoms. H(1) is bonded in a distorted single-bond geometry to one O(1) and one O(5) atom. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to two equivalent Mn(1) and one H(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one V(1), one Mn(1), and one Pb(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one V(1) and one Pb(2) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one V(1) and one Pb(1) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one V(2), one Pb(1), and one H(1) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one V(2) and two equivalent Mn(1) atoms. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one V(2), one Pb(1), and two equivalent Pb(2) atoms.
Pb2Mn(VO4)2(OH) crystallizes in the monoclinic P2_1/m space group. There are two inequivalent V sites. In the first V site, V(1) is bonded to one O(3), one O(4), and two equivalent O(2) atoms to form VO4 tetrahedra that share corners with two equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles are 56°. The V(1)-O(3) bond length is 1.69 Å. The V(1)-O(4) bond length is 1.72 Å. Both V(1)-O(2) bond lengths are 1.79 Å. In the second V site, V(2) is bonded to one O(5), one O(6), and two equivalent O(7) atoms to form VO4 tetrahedra that share corners with two equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles are 47°. The V(2)-O(5) bond length is 1.72 Å. The V(2)-O(6) bond length is 1.76 Å. Both V(2)-O(7) bond lengths are 1.77 Å. Mn(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(6) atoms to form MnO6 octahedra that share corners with two equivalent V(1)O4 tetrahedra, corners with two equivalent V(2)O4 tetrahedra, and edges with two equivalent Mn(1)O6 octahedra. Both Mn(1)-O(1) bond lengths are 2.00 Å. Both Mn(1)-O(2) bond lengths are 1.94 Å. Both Mn(1)-O(6) bond lengths are 2.21 Å. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 6-coordinate geometry to one O(4), one O(5), two equivalent O(2), and two equivalent O(7) atoms. The Pb(1)-O(4) bond length is 2.53 Å. The Pb(1)-O(5) bond length is 2.67 Å. Both Pb(1)-O(2) bond lengths are 2.76 Å. Both Pb(1)-O(7) bond lengths are 2.53 Å. In the second Pb site, Pb(2) is bonded in a 5-coordinate geometry to one O(3) and four equivalent O(7) atoms. The Pb(2)-O(3) bond length is 2.53 Å. There are two shorter (2.63 Å) and two longer (2.74 Å) Pb(2)-O(7) bond lengths. H(1) is bonded in a distorted single-bond geometry to one O(1) and one O(5) atom. The H(1)-O(1) bond length is 1.01 Å. The H(1)-O(5) bond length is 1.63 Å. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to two equivalent Mn(1) and one H(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one V(1), one Mn(1), and one Pb(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one V(1) and one Pb(2) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one V(1) and one Pb(1) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one V(2), one Pb(1), and one H(1) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one V(2) and two equivalent Mn(1) atoms. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one V(2), one Pb(1), and two equivalent Pb(2) atoms.