Mn5Te3O16 is Hydrophilite-derived structured and crystallizes in the triclinic P1 space group. There are five inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(10), one O(2), one O(6), one O(7), and one O(8) atom to form distorted MnO6 octahedra that share corners with two equivalent Mn(4)O6 octahedra, corners with two equivalent Mn(5)O6 octahedra, corners with two equivalent Te(3)O6 octahedra,  an edgeedge with one Mn(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 49-57°. In the second Mn site, Mn(2) is bonded to one O(14), one O(16), one O(3), one O(4), one O(7), and one O(8) atom to form MnO6 octahedra that share corners with two equivalent Mn(3)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra, edges with two equivalent Te(1)O6 octahedra, and edges with two equivalent Te(2)O6 octahedra. The corner-sharing octahedral tilt angles are 55°. In the third Mn site, Mn(3) is bonded to one O(11), one O(12), one O(14), one O(15), one O(16), and one O(9) atom to form MnO6 octahedra that share corners with two equivalent Mn(2)O6 octahedra, corners with two equivalent Te(1)O6 octahedra, corners with two equivalent Te(2)O6 octahedra,  an edgeedge with one Mn(4)O6 octahedra,  an edgeedge with one Mn(5)O6 octahedra, and  an edgeedge with one Te(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-55°. In the fourth Mn site, Mn(4) is bonded to one O(1), one O(10), one O(11), one O(13), one O(15), and one O(5) atom to form distorted MnO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra, edges with two equivalent Mn(5)O6 octahedra, and edges with two equivalent Te(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-57°. In the fifth Mn site, Mn(5) is bonded to one O(10), one O(12), one O(13), one O(15), one O(5), and one O(6) atom to form MnO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra, edges with two equivalent Mn(4)O6 octahedra, and edges with two equivalent Te(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-54°. There are three inequivalent Te sites. In the first Te site, Te(1) is bonded to one O(14), one O(2), one O(3), one O(4), one O(7), and one O(9) atom to form TeO6 octahedra that share corners with two equivalent Mn(3)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, and edges with two equivalent Te(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-53°. In the second Te site, Te(2) is bonded to one O(16), one O(2), one O(3), one O(4), one O(8), and one O(9) atom to form TeO6 octahedra that share corners with two equivalent Mn(3)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, and edges with two equivalent Te(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-53°. In the third Te site, Te(3) is bonded to one O(1), one O(11), one O(12), one O(13), one O(5), and one O(6) atom to form TeO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra, edges with two equivalent Mn(4)O6 octahedra, and edges with two equivalent Mn(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-55°. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Mn(1), one Mn(4), and one Te(3) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Mn(1), one Te(1), and one Te(2) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one Mn(2), one Te(1), and one Te(2) atom. In the fourth O site, O(4) is bonded in a distorted T-shaped geometry to one Mn(2), one Te(1), and one Te(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal non-coplanar geometry to one Mn(4), one Mn(5), and one Te(3) atom. In the sixth O site, O(6) is bonded in a trigonal planar geometry to one Mn(1), one Mn(5), and one Te(3) atom. In the seventh O site, O(7) is bonded in a distorted trigonal non-coplanar geometry to one Mn(1), one Mn(2), and one Te(1) atom. In the eighth O site, O(8) is bonded in a distorted trigonal non-coplanar geometry to one Mn(1), one Mn(2), and one Te(2) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one Mn(3), one Te(1), and one Te(2) atom. In the tenth O site, O(10) is bonded in a trigonal planar geometry to one Mn(1), one Mn(4), and one Mn(5) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal non-coplanar geometry to one Mn(3), one Mn(4), and one Te(3) atom. In the twelfth O site, O(12) is bonded in a distorted T-shaped geometry to one Mn(3), one Mn(5), and one Te(3) atom. In the thirteenth O site, O(13) is bonded in a distorted T-shaped geometry to one Mn(4), one Mn(5), and one Te(3) atom. In the fourteenth O site, O(14) is bonded in a trigonal planar geometry to one Mn(2), one Mn(3), and one Te(1) atom. In the fifteenth O site, O(15) is bonded in a trigonal non-coplanar geometry to one Mn(3), one Mn(4), and one Mn(5) atom. In the sixteenth O site, O(16) is bonded in a trigonal planar geometry to one Mn(2), one Mn(3), and one Te(2) atom.
Mn5Te3O16 is Hydrophilite-derived structured and crystallizes in the triclinic P1 space group. There are five inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(10), one O(2), one O(6), one O(7), and one O(8) atom to form distorted MnO6 octahedra that share corners with two equivalent Mn(4)O6 octahedra, corners with two equivalent Mn(5)O6 octahedra, corners with two equivalent Te(3)O6 octahedra,  an edgeedge with one Mn(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 49-57°. The Mn(1)-O(1) bond length is 2.13 Å. The Mn(1)-O(10) bond length is 2.02 Å. The Mn(1)-O(2) bond length is 2.38 Å. The Mn(1)-O(6) bond length is 2.11 Å. The Mn(1)-O(7) bond length is 2.26 Å. The Mn(1)-O(8) bond length is 2.27 Å. In the second Mn site, Mn(2) is bonded to one O(14), one O(16), one O(3), one O(4), one O(7), and one O(8) atom to form MnO6 octahedra that share corners with two equivalent Mn(3)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra, edges with two equivalent Te(1)O6 octahedra, and edges with two equivalent Te(2)O6 octahedra. The corner-sharing octahedral tilt angles are 55°. The Mn(2)-O(14) bond length is 2.12 Å. The Mn(2)-O(16) bond length is 2.16 Å. The Mn(2)-O(3) bond length is 2.24 Å. The Mn(2)-O(4) bond length is 2.19 Å. The Mn(2)-O(7) bond length is 2.14 Å. The Mn(2)-O(8) bond length is 2.18 Å. In the third Mn site, Mn(3) is bonded to one O(11), one O(12), one O(14), one O(15), one O(16), and one O(9) atom to form MnO6 octahedra that share corners with two equivalent Mn(2)O6 octahedra, corners with two equivalent Te(1)O6 octahedra, corners with two equivalent Te(2)O6 octahedra,  an edgeedge with one Mn(4)O6 octahedra,  an edgeedge with one Mn(5)O6 octahedra, and  an edgeedge with one Te(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-55°. The Mn(3)-O(11) bond length is 1.95 Å. The Mn(3)-O(12) bond length is 2.13 Å. The Mn(3)-O(14) bond length is 2.13 Å. The Mn(3)-O(15) bond length is 2.05 Å. The Mn(3)-O(16) bond length is 2.01 Å. The Mn(3)-O(9) bond length is 2.44 Å. In the fourth Mn site, Mn(4) is bonded to one O(1), one O(10), one O(11), one O(13), one O(15), and one O(5) atom to form distorted MnO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra, edges with two equivalent Mn(5)O6 octahedra, and edges with two equivalent Te(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-57°. The Mn(4)-O(1) bond length is 2.11 Å. The Mn(4)-O(10) bond length is 1.92 Å. The Mn(4)-O(11) bond length is 2.22 Å. The Mn(4)-O(13) bond length is 2.15 Å. The Mn(4)-O(15) bond length is 1.93 Å. The Mn(4)-O(5) bond length is 2.14 Å. In the fifth Mn site, Mn(5) is bonded to one O(10), one O(12), one O(13), one O(15), one O(5), and one O(6) atom to form MnO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra, edges with two equivalent Mn(4)O6 octahedra, and edges with two equivalent Te(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-54°. The Mn(5)-O(10) bond length is 1.94 Å. The Mn(5)-O(12) bond length is 2.09 Å. The Mn(5)-O(13) bond length is 2.07 Å. The Mn(5)-O(15) bond length is 1.93 Å. The Mn(5)-O(5) bond length is 2.02 Å. The Mn(5)-O(6) bond length is 2.11 Å. There are three inequivalent Te sites. In the first Te site, Te(1) is bonded to one O(14), one O(2), one O(3), one O(4), one O(7), and one O(9) atom to form TeO6 octahedra that share corners with two equivalent Mn(3)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, and edges with two equivalent Te(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-53°. The Te(1)-O(14) bond length is 1.90 Å. The Te(1)-O(2) bond length is 2.03 Å. The Te(1)-O(3) bond length is 2.02 Å. The Te(1)-O(4) bond length is 2.02 Å. The Te(1)-O(7) bond length is 1.88 Å. The Te(1)-O(9) bond length is 2.02 Å. In the second Te site, Te(2) is bonded to one O(16), one O(2), one O(3), one O(4), one O(8), and one O(9) atom to form TeO6 octahedra that share corners with two equivalent Mn(3)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, and edges with two equivalent Te(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-53°. The Te(2)-O(16) bond length is 1.92 Å. The Te(2)-O(2) bond length is 2.02 Å. The Te(2)-O(3) bond length is 2.02 Å. The Te(2)-O(4) bond length is 2.01 Å. The Te(2)-O(8) bond length is 1.88 Å. The Te(2)-O(9) bond length is 2.02 Å. In the third Te site, Te(3) is bonded to one O(1), one O(11), one O(12), one O(13), one O(5), and one O(6) atom to form TeO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra, edges with two equivalent Mn(4)O6 octahedra, and edges with two equivalent Mn(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-55°. The Te(3)-O(1) bond length is 1.93 Å. The Te(3)-O(11) bond length is 2.01 Å. The Te(3)-O(12) bond length is 1.98 Å. The Te(3)-O(13) bond length is 1.98 Å. The Te(3)-O(5) bond length is 1.97 Å. The Te(3)-O(6) bond length is 1.97 Å. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Mn(1), one Mn(4), and one Te(3) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Mn(1), one Te(1), and one Te(2) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one Mn(2), one Te(1), and one Te(2) atom. In the fourth O site, O(4) is bonded in a distorted T-shaped geometry to one Mn(2), one Te(1), and one Te(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal non-coplanar geometry to one Mn(4), one Mn(5), and one Te(3) atom. In the sixth O site, O(6) is bonded in a trigonal planar geometry to one Mn(1), one Mn(5), and one Te(3) atom. In the seventh O site, O(7) is bonded in a distorted trigonal non-coplanar geometry to one Mn(1), one Mn(2), and one Te(1) atom. In the eighth O site, O(8) is bonded in a distorted trigonal non-coplanar geometry to one Mn(1), one Mn(2), and one Te(2) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one Mn(3), one Te(1), and one Te(2) atom. In the tenth O site, O(10) is bonded in a trigonal planar geometry to one Mn(1), one Mn(4), and one Mn(5) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal non-coplanar geometry to one Mn(3), one Mn(4), and one Te(3) atom. In the twelfth O site, O(12) is bonded in a distorted T-shaped geometry to one Mn(3), one Mn(5), and one Te(3) atom. In the thirteenth O site, O(13) is bonded in a distorted T-shaped geometry to one Mn(4), one Mn(5), and one Te(3) atom. In the fourteenth O site, O(14) is bonded in a trigonal planar geometry to one Mn(2), one Mn(3), and one Te(1) atom. In the fifteenth O site, O(15) is bonded in a trigonal non-coplanar geometry to one Mn(3), one Mn(4), and one Mn(5) atom. In the sixteenth O site, O(16) is bonded in a trigonal planar geometry to one Mn(2), one Mn(3), and one Te(2) atom.