Fe2Te2(PbO4)3 crystallizes in the monoclinic Cc space group. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(10), one O(5), one O(9), and two equivalent O(7) atoms to form FeO6 octahedra that share  a cornercorner with one Te(1)O6 octahedra,  a cornercorner with one Te(2)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, and  an edgeedge with one Te(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-52°. In the second Fe site, Fe(2) is bonded to one O(11), one O(12), one O(2), one O(3), one O(6), and one O(8) atom to form FeO6 octahedra that share  a cornercorner with one Te(1)O6 octahedra,  a cornercorner with one Te(2)O6 octahedra,  an edgeedge with one Te(1)O6 octahedra, and  an edgeedge with one Te(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 44-51°. There are three inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 5-coordinate geometry to one O(7), two equivalent O(11), and two equivalent O(9) atoms. In the second Pb site, Pb(2) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(4), one O(5), and two equivalent O(6) atoms. In the third Pb site, Pb(3) is bonded in a 6-coordinate geometry to one O(1), one O(12), one O(2), one O(3), one O(5), and one O(7) atom. There are two inequivalent Te sites. In the first Te site, Te(1) is bonded to one O(11), one O(3), one O(5), one O(8), and two equivalent O(4) atoms to form TeO6 octahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra, corners with two equivalent Te(1)O6 octahedra, and  an edgeedge with one Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-51°. In the second Te site, Te(2) is bonded to one O(1), one O(10), one O(12), one O(2), one O(6), and one O(9) atom to form TeO6 octahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra, and  an edgeedge with one Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 44-52°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Fe(1), one Pb(2), one Pb(3), and one Te(2) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Fe(2), one Pb(2), one Pb(3), and one Te(2) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Fe(2), one Pb(3), and one Te(1) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Pb(2) and two equivalent Te(1) atoms. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Fe(1), one Pb(2), one Pb(3), and one Te(1) atom. In the sixth O site, O(6) is bonded in a distorted water-like geometry to one Fe(2), two equivalent Pb(2), and one Te(2) atom. In the seventh O site, O(7) is bonded to two equivalent Fe(1), one Pb(1), and one Pb(3) atom to form distorted OFe2Pb2 tetrahedra that share corners with two equivalent O(7)Fe2Pb2 tetrahedra and edges with two equivalent O(9)FeTePb2 trigonal pyramids. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one Fe(2) and one Te(1) atom. In the ninth O site, O(9) is bonded to one Fe(1), two equivalent Pb(1), and one Te(2) atom to form distorted OFeTePb2 trigonal pyramids that share corners with two equivalent O(9)FeTePb2 trigonal pyramids and edges with two equivalent O(7)Fe2Pb2 tetrahedra. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Fe(1) and one Te(2) atom. In the eleventh O site, O(11) is bonded in a 2-coordinate geometry to one Fe(2), two equivalent Pb(1), and one Te(1) atom. In the twelfth O site, O(12) is bonded in a distorted water-like geometry to one Fe(2), one Pb(3), and one Te(2) atom.
Fe2Te2(PbO4)3 crystallizes in the monoclinic Cc space group. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(10), one O(5), one O(9), and two equivalent O(7) atoms to form FeO6 octahedra that share  a cornercorner with one Te(1)O6 octahedra,  a cornercorner with one Te(2)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, and  an edgeedge with one Te(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-52°. The Fe(1)-O(1) bond length is 2.10 Å. The Fe(1)-O(10) bond length is 2.03 Å. The Fe(1)-O(5) bond length is 2.00 Å. The Fe(1)-O(9) bond length is 2.17 Å. There is one shorter (1.98 Å) and one longer (2.03 Å) Fe(1)-O(7) bond length. In the second Fe site, Fe(2) is bonded to one O(11), one O(12), one O(2), one O(3), one O(6), and one O(8) atom to form FeO6 octahedra that share  a cornercorner with one Te(1)O6 octahedra,  a cornercorner with one Te(2)O6 octahedra,  an edgeedge with one Te(1)O6 octahedra, and  an edgeedge with one Te(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 44-51°. The Fe(2)-O(11) bond length is 2.08 Å. The Fe(2)-O(12) bond length is 2.07 Å. The Fe(2)-O(2) bond length is 2.04 Å. The Fe(2)-O(3) bond length is 2.05 Å. The Fe(2)-O(6) bond length is 2.13 Å. The Fe(2)-O(8) bond length is 2.03 Å. There are three inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 5-coordinate geometry to one O(7), two equivalent O(11), and two equivalent O(9) atoms. The Pb(1)-O(7) bond length is 2.49 Å. There is one shorter (2.57 Å) and one longer (2.80 Å) Pb(1)-O(11) bond length. There is one shorter (2.48 Å) and one longer (2.56 Å) Pb(1)-O(9) bond length. In the second Pb site, Pb(2) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(4), one O(5), and two equivalent O(6) atoms. The Pb(2)-O(1) bond length is 2.38 Å. The Pb(2)-O(2) bond length is 2.49 Å. The Pb(2)-O(4) bond length is 2.50 Å. The Pb(2)-O(5) bond length is 2.81 Å. There is one shorter (2.71 Å) and one longer (2.83 Å) Pb(2)-O(6) bond length. In the third Pb site, Pb(3) is bonded in a 6-coordinate geometry to one O(1), one O(12), one O(2), one O(3), one O(5), and one O(7) atom. The Pb(3)-O(1) bond length is 2.83 Å. The Pb(3)-O(12) bond length is 2.68 Å. The Pb(3)-O(2) bond length is 2.69 Å. The Pb(3)-O(3) bond length is 2.43 Å. The Pb(3)-O(5) bond length is 2.79 Å. The Pb(3)-O(7) bond length is 2.28 Å. There are two inequivalent Te sites. In the first Te site, Te(1) is bonded to one O(11), one O(3), one O(5), one O(8), and two equivalent O(4) atoms to form TeO6 octahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra, corners with two equivalent Te(1)O6 octahedra, and  an edgeedge with one Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-51°. The Te(1)-O(11) bond length is 1.97 Å. The Te(1)-O(3) bond length is 1.95 Å. The Te(1)-O(5) bond length is 1.92 Å. The Te(1)-O(8) bond length is 1.92 Å. There is one shorter (1.99 Å) and one longer (2.02 Å) Te(1)-O(4) bond length. In the second Te site, Te(2) is bonded to one O(1), one O(10), one O(12), one O(2), one O(6), and one O(9) atom to form TeO6 octahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra, and  an edgeedge with one Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 44-52°. The Te(2)-O(1) bond length is 1.97 Å. The Te(2)-O(10) bond length is 1.94 Å. The Te(2)-O(12) bond length is 1.99 Å. The Te(2)-O(2) bond length is 1.98 Å. The Te(2)-O(6) bond length is 1.97 Å. The Te(2)-O(9) bond length is 1.96 Å. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Fe(1), one Pb(2), one Pb(3), and one Te(2) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Fe(2), one Pb(2), one Pb(3), and one Te(2) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Fe(2), one Pb(3), and one Te(1) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Pb(2) and two equivalent Te(1) atoms. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Fe(1), one Pb(2), one Pb(3), and one Te(1) atom. In the sixth O site, O(6) is bonded in a distorted water-like geometry to one Fe(2), two equivalent Pb(2), and one Te(2) atom. In the seventh O site, O(7) is bonded to two equivalent Fe(1), one Pb(1), and one Pb(3) atom to form distorted OFe2Pb2 tetrahedra that share corners with two equivalent O(7)Fe2Pb2 tetrahedra and edges with two equivalent O(9)FeTePb2 trigonal pyramids. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one Fe(2) and one Te(1) atom. In the ninth O site, O(9) is bonded to one Fe(1), two equivalent Pb(1), and one Te(2) atom to form distorted OFeTePb2 trigonal pyramids that share corners with two equivalent O(9)FeTePb2 trigonal pyramids and edges with two equivalent O(7)Fe2Pb2 tetrahedra. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Fe(1) and one Te(2) atom. In the eleventh O site, O(11) is bonded in a 2-coordinate geometry to one Fe(2), two equivalent Pb(1), and one Te(1) atom. In the twelfth O site, O(12) is bonded in a distorted water-like geometry to one Fe(2), one Pb(3), and one Te(2) atom.