CoTe6O13 crystallizes in the triclinic P1 space group. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(2), one O(3), one O(7), one O(8), and one O(9) atom to form CoO6 octahedra that share  a cornercorner with one Te(10)O5 square pyramid,  a cornercorner with one Te(11)O5 square pyramid,  a cornercorner with one Te(12)O5 square pyramid,  a cornercorner with one Te(7)O5 square pyramid,  a cornercorner with one Te(8)O5 square pyramid, and  a cornercorner with one Te(9)O5 square pyramid. In the second Co site, Co(2) is bonded to one O(10), one O(11), one O(12), one O(4), one O(5), and one O(6) atom to form CoO6 octahedra that share  a cornercorner with one Te(10)O5 square pyramid,  a cornercorner with one Te(11)O5 square pyramid,  a cornercorner with one Te(12)O5 square pyramid,  a cornercorner with one Te(7)O5 square pyramid,  a cornercorner with one Te(8)O5 square pyramid, and  a cornercorner with one Te(9)O5 square pyramid. There are twelve inequivalent Te sites. In the first Te site, Te(1) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(13), one O(15), and one O(4) atom. In the second Te site, Te(2) is bonded in a distorted rectangular see-saw-like geometry to one O(13), one O(16), one O(2), and one O(5) atom. In the third Te site, Te(3) is bonded in a distorted rectangular see-saw-like geometry to one O(13), one O(17), one O(3), and one O(6) atom. In the fourth Te site, Te(4) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(14), one O(18), and one O(4) atom. In the fifth Te site, Te(5) is bonded in a distorted rectangular see-saw-like geometry to one O(14), one O(19), one O(2), and one O(5) atom. In the sixth Te site, Te(6) is bonded in a distorted rectangular see-saw-like geometry to one O(14), one O(20), one O(3), and one O(6) atom. In the seventh Te site, Te(7) is bonded to one O(10), one O(15), one O(21), one O(22), and one O(7) atom to form distorted TeO5 square pyramids that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one Te(8)O5 square pyramid,  a cornercorner with one Te(9)O5 square pyramid, and  an edgeedge with one Te(10)O5 square pyramid. The corner-sharing octahedral tilt angles range from 47-67°. In the eighth Te site, Te(8) is bonded to one O(11), one O(16), one O(22), one O(23), and one O(8) atom to form distorted TeO5 square pyramids that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one Te(7)O5 square pyramid,  a cornercorner with one Te(9)O5 square pyramid, and  an edgeedge with one Te(11)O5 square pyramid. The corner-sharing octahedral tilt angles range from 48-68°. In the ninth Te site, Te(9) is bonded to one O(12), one O(17), one O(21), one O(23), and one O(9) atom to form distorted TeO5 square pyramids that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one Te(7)O5 square pyramid,  a cornercorner with one Te(8)O5 square pyramid, and  an edgeedge with one Te(12)O5 square pyramid. The corner-sharing octahedral tilt angles range from 47-68°. In the tenth Te site, Te(10) is bonded to one O(10), one O(18), one O(24), one O(25), and one O(7) atom to form distorted TeO5 square pyramids that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one Te(11)O5 square pyramid,  a cornercorner with one Te(12)O5 square pyramid, and  an edgeedge with one Te(7)O5 square pyramid. The corner-sharing octahedral tilt angles range from 48-68°. In the eleventh Te site, Te(11) is bonded to one O(11), one O(19), one O(25), one O(26), and one O(8) atom to form distorted TeO5 square pyramids that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one Te(10)O5 square pyramid,  a cornercorner with one Te(12)O5 square pyramid, and  an edgeedge with one Te(8)O5 square pyramid. The corner-sharing octahedral tilt angles range from 47-67°. In the twelfth Te site, Te(12) is bonded to one O(12), one O(20), one O(24), one O(26), and one O(9) atom to form distorted TeO5 square pyramids that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one Te(10)O5 square pyramid,  a cornercorner with one Te(11)O5 square pyramid, and  an edgeedge with one Te(9)O5 square pyramid. The corner-sharing octahedral tilt angles range from 48-68°. There are twenty-six inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Co(1), one Te(1), and one Te(4) atom. In the second O site, O(2) is bonded in a trigonal planar geometry to one Co(1), one Te(2), and one Te(5) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Co(1), one Te(3), and one Te(6) atom. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one Co(2), one Te(1), and one Te(4) atom. In the fifth O site, O(5) is bonded in a trigonal planar geometry to one Co(2), one Te(2), and one Te(5) atom. In the sixth O site, O(6) is bonded in a trigonal planar geometry to one Co(2), one Te(3), and one Te(6) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Co(1), one Te(10), and one Te(7) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Co(1), one Te(11), and one Te(8) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Co(1), one Te(12), and one Te(9) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Co(2), one Te(10), and one Te(7) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Co(2), one Te(11), and one Te(8) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Co(2), one Te(12), and one Te(9) atom. In the thirteenth O site, O(13) is bonded in a trigonal planar geometry to one Te(1), one Te(2), and one Te(3) atom. In the fourteenth O site, O(14) is bonded in a trigonal planar geometry to one Te(4), one Te(5), and one Te(6) atom. In the fifteenth O site, O(15) is bonded in a distorted bent 120 degrees geometry to one Te(1) and one Te(7) atom. In the sixteenth O site, O(16) is bonded in a distorted bent 120 degrees geometry to one Te(2) and one Te(8) atom. In the seventeenth O site, O(17) is bonded in a distorted bent 120 degrees geometry to one Te(3) and one Te(9) atom. In the eighteenth O site, O(18) is bonded in a distorted bent 120 degrees geometry to one Te(10) and one Te(4) atom. In the nineteenth O site, O(19) is bonded in a distorted bent 120 degrees geometry to one Te(11) and one Te(5) atom. In the twentieth O site, O(20) is bonded in a distorted bent 120 degrees geometry to one Te(12) and one Te(6) atom. In the twenty-first O site, O(21) is bonded in a bent 150 degrees geometry to one Te(7) and one Te(9) atom. In the twenty-second O site, O(22) is bonded in a bent 150 degrees geometry to one Te(7) and one Te(8) atom. In the twenty-third O site, O(23) is bonded in a bent 150 degrees geometry to one Te(8) and one Te(9) atom. In the twenty-fourth O site, O(24) is bonded in a bent 150 degrees geometry to one Te(10) and one Te(12) atom. In the twenty-fifth O site, O(25) is bonded in a bent 150 degrees geometry to one Te(10) and one Te(11) atom. In the twenty-sixth O site, O(26) is bonded in a bent 150 degrees geometry to one Te(11) and one Te(12) atom.
CoTe6O13 crystallizes in the triclinic P1 space group. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(2), one O(3), one O(7), one O(8), and one O(9) atom to form CoO6 octahedra that share  a cornercorner with one Te(10)O5 square pyramid,  a cornercorner with one Te(11)O5 square pyramid,  a cornercorner with one Te(12)O5 square pyramid,  a cornercorner with one Te(7)O5 square pyramid,  a cornercorner with one Te(8)O5 square pyramid, and  a cornercorner with one Te(9)O5 square pyramid. The Co(1)-O(1) bond length is 2.18 Å. The Co(1)-O(2) bond length is 2.18 Å. The Co(1)-O(3) bond length is 2.14 Å. The Co(1)-O(7) bond length is 2.07 Å. The Co(1)-O(8) bond length is 2.09 Å. The Co(1)-O(9) bond length is 2.04 Å. In the second Co site, Co(2) is bonded to one O(10), one O(11), one O(12), one O(4), one O(5), and one O(6) atom to form CoO6 octahedra that share  a cornercorner with one Te(10)O5 square pyramid,  a cornercorner with one Te(11)O5 square pyramid,  a cornercorner with one Te(12)O5 square pyramid,  a cornercorner with one Te(7)O5 square pyramid,  a cornercorner with one Te(8)O5 square pyramid, and  a cornercorner with one Te(9)O5 square pyramid. The Co(2)-O(10) bond length is 2.09 Å. The Co(2)-O(11) bond length is 2.04 Å. The Co(2)-O(12) bond length is 2.07 Å. The Co(2)-O(4) bond length is 2.18 Å. The Co(2)-O(5) bond length is 2.14 Å. The Co(2)-O(6) bond length is 2.18 Å. There are twelve inequivalent Te sites. In the first Te site, Te(1) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(13), one O(15), and one O(4) atom. The Te(1)-O(1) bond length is 1.95 Å. The Te(1)-O(13) bond length is 2.14 Å. The Te(1)-O(15) bond length is 1.86 Å. The Te(1)-O(4) bond length is 2.17 Å. In the second Te site, Te(2) is bonded in a distorted rectangular see-saw-like geometry to one O(13), one O(16), one O(2), and one O(5) atom. The Te(2)-O(13) bond length is 2.12 Å. The Te(2)-O(16) bond length is 1.86 Å. The Te(2)-O(2) bond length is 1.95 Å. The Te(2)-O(5) bond length is 2.19 Å. In the third Te site, Te(3) is bonded in a distorted rectangular see-saw-like geometry to one O(13), one O(17), one O(3), and one O(6) atom. The Te(3)-O(13) bond length is 2.13 Å. The Te(3)-O(17) bond length is 1.86 Å. The Te(3)-O(3) bond length is 1.95 Å. The Te(3)-O(6) bond length is 2.17 Å. In the fourth Te site, Te(4) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(14), one O(18), and one O(4) atom. The Te(4)-O(1) bond length is 2.17 Å. The Te(4)-O(14) bond length is 2.13 Å. The Te(4)-O(18) bond length is 1.86 Å. The Te(4)-O(4) bond length is 1.95 Å. In the fifth Te site, Te(5) is bonded in a distorted rectangular see-saw-like geometry to one O(14), one O(19), one O(2), and one O(5) atom. The Te(5)-O(14) bond length is 2.15 Å. The Te(5)-O(19) bond length is 1.86 Å. The Te(5)-O(2) bond length is 2.17 Å. The Te(5)-O(5) bond length is 1.95 Å. In the sixth Te site, Te(6) is bonded in a distorted rectangular see-saw-like geometry to one O(14), one O(20), one O(3), and one O(6) atom. The Te(6)-O(14) bond length is 2.12 Å. The Te(6)-O(20) bond length is 1.86 Å. The Te(6)-O(3) bond length is 2.19 Å. The Te(6)-O(6) bond length is 1.94 Å. In the seventh Te site, Te(7) is bonded to one O(10), one O(15), one O(21), one O(22), and one O(7) atom to form distorted TeO5 square pyramids that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one Te(8)O5 square pyramid,  a cornercorner with one Te(9)O5 square pyramid, and  an edgeedge with one Te(10)O5 square pyramid. The corner-sharing octahedral tilt angles range from 47-67°. The Te(7)-O(10) bond length is 2.53 Å. The Te(7)-O(15) bond length is 2.20 Å. The Te(7)-O(21) bond length is 2.03 Å. The Te(7)-O(22) bond length is 1.93 Å. The Te(7)-O(7) bond length is 1.87 Å. In the eighth Te site, Te(8) is bonded to one O(11), one O(16), one O(22), one O(23), and one O(8) atom to form distorted TeO5 square pyramids that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one Te(7)O5 square pyramid,  a cornercorner with one Te(9)O5 square pyramid, and  an edgeedge with one Te(11)O5 square pyramid. The corner-sharing octahedral tilt angles range from 48-68°. The Te(8)-O(11) bond length is 2.55 Å. The Te(8)-O(16) bond length is 2.21 Å. The Te(8)-O(22) bond length is 2.02 Å. The Te(8)-O(23) bond length is 1.92 Å. The Te(8)-O(8) bond length is 1.87 Å. In the ninth Te site, Te(9) is bonded to one O(12), one O(17), one O(21), one O(23), and one O(9) atom to form distorted TeO5 square pyramids that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one Te(7)O5 square pyramid,  a cornercorner with one Te(8)O5 square pyramid, and  an edgeedge with one Te(12)O5 square pyramid. The corner-sharing octahedral tilt angles range from 47-68°. The Te(9)-O(12) bond length is 2.55 Å. The Te(9)-O(17) bond length is 2.20 Å. The Te(9)-O(21) bond length is 1.92 Å. The Te(9)-O(23) bond length is 2.03 Å. The Te(9)-O(9) bond length is 1.87 Å. In the tenth Te site, Te(10) is bonded to one O(10), one O(18), one O(24), one O(25), and one O(7) atom to form distorted TeO5 square pyramids that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one Te(11)O5 square pyramid,  a cornercorner with one Te(12)O5 square pyramid, and  an edgeedge with one Te(7)O5 square pyramid. The corner-sharing octahedral tilt angles range from 48-68°. The Te(10)-O(10) bond length is 1.87 Å. The Te(10)-O(18) bond length is 2.20 Å. The Te(10)-O(24) bond length is 2.03 Å. The Te(10)-O(25) bond length is 1.92 Å. The Te(10)-O(7) bond length is 2.56 Å. In the eleventh Te site, Te(11) is bonded to one O(11), one O(19), one O(25), one O(26), and one O(8) atom to form distorted TeO5 square pyramids that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one Te(10)O5 square pyramid,  a cornercorner with one Te(12)O5 square pyramid, and  an edgeedge with one Te(8)O5 square pyramid. The corner-sharing octahedral tilt angles range from 47-67°. The Te(11)-O(11) bond length is 1.87 Å. The Te(11)-O(19) bond length is 2.20 Å. The Te(11)-O(25) bond length is 2.03 Å. The Te(11)-O(26) bond length is 1.93 Å. The Te(11)-O(8) bond length is 2.52 Å. In the twelfth Te site, Te(12) is bonded to one O(12), one O(20), one O(24), one O(26), and one O(9) atom to form distorted TeO5 square pyramids that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one Te(10)O5 square pyramid,  a cornercorner with one Te(11)O5 square pyramid, and  an edgeedge with one Te(9)O5 square pyramid. The corner-sharing octahedral tilt angles range from 48-68°. The Te(12)-O(12) bond length is 1.87 Å. The Te(12)-O(20) bond length is 2.21 Å. The Te(12)-O(24) bond length is 1.92 Å. The Te(12)-O(26) bond length is 2.02 Å. The Te(12)-O(9) bond length is 2.56 Å. There are twenty-six inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Co(1), one Te(1), and one Te(4) atom. In the second O site, O(2) is bonded in a trigonal planar geometry to one Co(1), one Te(2), and one Te(5) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Co(1), one Te(3), and one Te(6) atom. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one Co(2), one Te(1), and one Te(4) atom. In the fifth O site, O(5) is bonded in a trigonal planar geometry to one Co(2), one Te(2), and one Te(5) atom. In the sixth O site, O(6) is bonded in a trigonal planar geometry to one Co(2), one Te(3), and one Te(6) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Co(1), one Te(10), and one Te(7) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Co(1), one Te(11), and one Te(8) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Co(1), one Te(12), and one Te(9) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Co(2), one Te(10), and one Te(7) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Co(2), one Te(11), and one Te(8) atom. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Co(2), one Te(12), and one Te(9) atom. In the thirteenth O site, O(13) is bonded in a trigonal planar geometry to one Te(1), one Te(2), and one Te(3) atom. In the fourteenth O site, O(14) is bonded in a trigonal planar geometry to one Te(4), one Te(5), and one Te(6) atom. In the fifteenth O site, O(15) is bonded in a distorted bent 120 degrees geometry to one Te(1) and one Te(7) atom. In the sixteenth O site, O(16) is bonded in a distorted bent 120 degrees geometry to one Te(2) and one Te(8) atom. In the seventeenth O site, O(17) is bonded in a distorted bent 120 degrees geometry to one Te(3) and one Te(9) atom. In the eighteenth O site, O(18) is bonded in a distorted bent 120 degrees geometry to one Te(10) and one Te(4) atom. In the nineteenth O site, O(19) is bonded in a distorted bent 120 degrees geometry to one Te(11) and one Te(5) atom. In the twentieth O site, O(20) is bonded in a distorted bent 120 degrees geometry to one Te(12) and one Te(6) atom. In the twenty-first O site, O(21) is bonded in a bent 150 degrees geometry to one Te(7) and one Te(9) atom. In the twenty-second O site, O(22) is bonded in a bent 150 degrees geometry to one Te(7) and one Te(8) atom. In the twenty-third O site, O(23) is bonded in a bent 150 degrees geometry to one Te(8) and one Te(9) atom. In the twenty-fourth O site, O(24) is bonded in a bent 150 degrees geometry to one Te(10) and one Te(12) atom. In the twenty-fifth O site, O(25) is bonded in a bent 150 degrees geometry to one Te(10) and one Te(11) atom. In the twenty-sixth O site, O(26) is bonded in a bent 150 degrees geometry to one Te(11) and one Te(12) atom.