Cr5(TeO6)3 crystallizes in the monoclinic C2 space group. There are six inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(1), one O(10), one O(12), one O(18), one O(2), and one O(9) atom to form CrO6 octahedra that share  a cornercorner with one Cr(5)O6 octahedra, corners with two equivalent Te(2)O6 octahedra,  an edgeedge with one Cr(3)O6 octahedra,  an edgeedge with one Cr(4)O6 octahedra, and edges with two equivalent Te(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 44-53°. In the second Cr site, Cr(2) is bonded to one O(11), one O(14), one O(15), one O(16), one O(4), and one O(8) atom to form CrO6 octahedra that share  a cornercorner with one Cr(6)O6 octahedra, corners with two equivalent Te(2)O6 octahedra,  an edgeedge with one Cr(3)O6 octahedra,  an edgeedge with one Cr(4)O6 octahedra, and edges with two equivalent Te(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 45-53°. In the third Cr site, Cr(3) is bonded to one O(12), one O(13), one O(16), one O(2), one O(3), and one O(8) atom to form CrO6 octahedra that share  a cornercorner with one Cr(6)O6 octahedra,  a cornercorner with one Te(2)O6 octahedra,  a cornercorner with one Te(3)O6 octahedra,  an edgeedge with one Cr(1)O6 octahedra,  an edgeedge with one Cr(2)O6 octahedra,  an edgeedge with one Cr(4)O6 octahedra,  an edgeedge with one Te(1)O6 octahedra, and  an edgeedge with one Te(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 21-53°. In the fourth Cr site, Cr(4) is bonded to one O(10), one O(11), one O(12), one O(16), one O(17), and one O(5) atom to form CrO6 octahedra that share  a cornercorner with one Cr(5)O6 octahedra,  a cornercorner with one Te(1)O6 octahedra,  a cornercorner with one Te(2)O6 octahedra,  an edgeedge with one Cr(1)O6 octahedra,  an edgeedge with one Cr(2)O6 octahedra,  an edgeedge with one Cr(3)O6 octahedra,  an edgeedge with one Te(1)O6 octahedra, and  an edgeedge with one Te(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 21-55°. In the fifth Cr site, Cr(5) is bonded to two equivalent O(17), two equivalent O(18), and two equivalent O(6) atoms to form CrO6 octahedra that share corners with two equivalent Cr(1)O6 octahedra, corners with two equivalent Cr(4)O6 octahedra, corners with two equivalent Te(1)O6 octahedra, and edges with two equivalent Te(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-55°. In the sixth Cr site, Cr(6) is bonded to two equivalent O(3), two equivalent O(4), and two equivalent O(7) atoms to form CrO6 octahedra that share corners with two equivalent Cr(2)O6 octahedra, corners with two equivalent Cr(3)O6 octahedra, corners with two equivalent Te(3)O6 octahedra, and edges with two equivalent Te(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-53°. There are three inequivalent Te sites. In the first Te site, Te(1) is bonded to one O(1), one O(10), one O(12), one O(13), one O(17), and one O(9) atom to form TeO6 octahedra that share  a cornercorner with one Cr(4)O6 octahedra,  a cornercorner with one Cr(5)O6 octahedra,  an edgeedge with one Cr(3)O6 octahedra,  an edgeedge with one Cr(4)O6 octahedra, and edges with two equivalent Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 21-49°. In the second Te site, Te(2) is bonded to one O(11), one O(18), one O(2), one O(4), one O(6), and one O(7) atom to form TeO6 octahedra that share  a cornercorner with one Cr(3)O6 octahedra,  a cornercorner with one Cr(4)O6 octahedra, corners with two equivalent Cr(1)O6 octahedra, corners with two equivalent Cr(2)O6 octahedra,  an edgeedge with one Cr(5)O6 octahedra, and  an edgeedge with one Cr(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 44-53°. In the third Te site, Te(3) is bonded to one O(14), one O(15), one O(16), one O(3), one O(5), and one O(8) atom to form distorted TeO6 octahedra that share  a cornercorner with one Cr(3)O6 octahedra,  a cornercorner with one Cr(6)O6 octahedra,  an edgeedge with one Cr(3)O6 octahedra,  an edgeedge with one Cr(4)O6 octahedra, and edges with two equivalent Cr(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 21-52°. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded in a water-like geometry to one Cr(1) and one Te(1) atom. In the second O site, O(2) is bonded in a trigonal planar geometry to one Cr(1), one Cr(3), and one Te(2) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Cr(3), one Cr(6), and one Te(3) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Cr(2), one Cr(6), and one Te(2) atom. In the fifth O site, O(5) is bonded in a water-like geometry to one Cr(4) and one Te(3) atom. In the sixth O site, O(6) is bonded in a water-like geometry to one Cr(5) and one Te(2) atom. In the seventh O site, O(7) is bonded in a water-like geometry to one Cr(6) and one Te(2) atom. In the eighth O site, O(8) is bonded in a trigonal non-coplanar geometry to one Cr(2), one Cr(3), and one Te(3) atom. In the ninth O site, O(9) is bonded in a water-like geometry to one Cr(1) and one Te(1) atom. In the tenth O site, O(10) is bonded in a trigonal non-coplanar geometry to one Cr(1), one Cr(4), and one Te(1) atom. In the eleventh O site, O(11) is bonded in a trigonal planar geometry to one Cr(2), one Cr(4), and one Te(2) atom. In the twelfth O site, O(12) is bonded in a rectangular see-saw-like geometry to one Cr(1), one Cr(3), one Cr(4), and one Te(1) atom. In the thirteenth O site, O(13) is bonded in a water-like geometry to one Cr(3) and one Te(1) atom. In the fourteenth O site, O(14) is bonded in a water-like geometry to one Cr(2) and one Te(3) atom. In the fifteenth O site, O(15) is bonded in a water-like geometry to one Cr(2) and one Te(3) atom. In the sixteenth O site, O(16) is bonded in a rectangular see-saw-like geometry to one Cr(2), one Cr(3), one Cr(4), and one Te(3) atom. In the seventeenth O site, O(17) is bonded in a trigonal planar geometry to one Cr(4), one Cr(5), and one Te(1) atom. In the eighteenth O site, O(18) is bonded in a distorted trigonal planar geometry to one Cr(1), one Cr(5), and one Te(2) atom.
Cr5(TeO6)3 crystallizes in the monoclinic C2 space group. There are six inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(1), one O(10), one O(12), one O(18), one O(2), and one O(9) atom to form CrO6 octahedra that share  a cornercorner with one Cr(5)O6 octahedra, corners with two equivalent Te(2)O6 octahedra,  an edgeedge with one Cr(3)O6 octahedra,  an edgeedge with one Cr(4)O6 octahedra, and edges with two equivalent Te(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 44-53°. The Cr(1)-O(1) bond length is 1.97 Å. The Cr(1)-O(10) bond length is 1.92 Å. The Cr(1)-O(12) bond length is 2.10 Å. The Cr(1)-O(18) bond length is 1.92 Å. The Cr(1)-O(2) bond length is 2.08 Å. The Cr(1)-O(9) bond length is 1.87 Å. In the second Cr site, Cr(2) is bonded to one O(11), one O(14), one O(15), one O(16), one O(4), and one O(8) atom to form CrO6 octahedra that share  a cornercorner with one Cr(6)O6 octahedra, corners with two equivalent Te(2)O6 octahedra,  an edgeedge with one Cr(3)O6 octahedra,  an edgeedge with one Cr(4)O6 octahedra, and edges with two equivalent Te(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 45-53°. The Cr(2)-O(11) bond length is 2.00 Å. The Cr(2)-O(14) bond length is 1.83 Å. The Cr(2)-O(15) bond length is 1.97 Å. The Cr(2)-O(16) bond length is 2.05 Å. The Cr(2)-O(4) bond length is 1.98 Å. The Cr(2)-O(8) bond length is 1.97 Å. In the third Cr site, Cr(3) is bonded to one O(12), one O(13), one O(16), one O(2), one O(3), and one O(8) atom to form CrO6 octahedra that share  a cornercorner with one Cr(6)O6 octahedra,  a cornercorner with one Te(2)O6 octahedra,  a cornercorner with one Te(3)O6 octahedra,  an edgeedge with one Cr(1)O6 octahedra,  an edgeedge with one Cr(2)O6 octahedra,  an edgeedge with one Cr(4)O6 octahedra,  an edgeedge with one Te(1)O6 octahedra, and  an edgeedge with one Te(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 21-53°. The Cr(3)-O(12) bond length is 2.02 Å. The Cr(3)-O(13) bond length is 1.84 Å. The Cr(3)-O(16) bond length is 2.11 Å. The Cr(3)-O(2) bond length is 1.90 Å. The Cr(3)-O(3) bond length is 2.01 Å. The Cr(3)-O(8) bond length is 2.00 Å. In the fourth Cr site, Cr(4) is bonded to one O(10), one O(11), one O(12), one O(16), one O(17), and one O(5) atom to form CrO6 octahedra that share  a cornercorner with one Cr(5)O6 octahedra,  a cornercorner with one Te(1)O6 octahedra,  a cornercorner with one Te(2)O6 octahedra,  an edgeedge with one Cr(1)O6 octahedra,  an edgeedge with one Cr(2)O6 octahedra,  an edgeedge with one Cr(3)O6 octahedra,  an edgeedge with one Te(1)O6 octahedra, and  an edgeedge with one Te(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 21-55°. The Cr(4)-O(10) bond length is 2.04 Å. The Cr(4)-O(11) bond length is 2.00 Å. The Cr(4)-O(12) bond length is 2.10 Å. The Cr(4)-O(16) bond length is 2.03 Å. The Cr(4)-O(17) bond length is 2.05 Å. The Cr(4)-O(5) bond length is 1.96 Å. In the fifth Cr site, Cr(5) is bonded to two equivalent O(17), two equivalent O(18), and two equivalent O(6) atoms to form CrO6 octahedra that share corners with two equivalent Cr(1)O6 octahedra, corners with two equivalent Cr(4)O6 octahedra, corners with two equivalent Te(1)O6 octahedra, and edges with two equivalent Te(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-55°. Both Cr(5)-O(17) bond lengths are 2.04 Å. Both Cr(5)-O(18) bond lengths are 2.05 Å. Both Cr(5)-O(6) bond lengths are 1.96 Å. In the sixth Cr site, Cr(6) is bonded to two equivalent O(3), two equivalent O(4), and two equivalent O(7) atoms to form CrO6 octahedra that share corners with two equivalent Cr(2)O6 octahedra, corners with two equivalent Cr(3)O6 octahedra, corners with two equivalent Te(3)O6 octahedra, and edges with two equivalent Te(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-53°. Both Cr(6)-O(3) bond lengths are 2.04 Å. Both Cr(6)-O(4) bond lengths are 2.05 Å. Both Cr(6)-O(7) bond lengths are 1.97 Å. There are three inequivalent Te sites. In the first Te site, Te(1) is bonded to one O(1), one O(10), one O(12), one O(13), one O(17), and one O(9) atom to form TeO6 octahedra that share  a cornercorner with one Cr(4)O6 octahedra,  a cornercorner with one Cr(5)O6 octahedra,  an edgeedge with one Cr(3)O6 octahedra,  an edgeedge with one Cr(4)O6 octahedra, and edges with two equivalent Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 21-49°. The Te(1)-O(1) bond length is 1.90 Å. The Te(1)-O(10) bond length is 2.02 Å. The Te(1)-O(12) bond length is 2.09 Å. The Te(1)-O(13) bond length is 1.96 Å. The Te(1)-O(17) bond length is 1.95 Å. The Te(1)-O(9) bond length is 1.94 Å. In the second Te site, Te(2) is bonded to one O(11), one O(18), one O(2), one O(4), one O(6), and one O(7) atom to form TeO6 octahedra that share  a cornercorner with one Cr(3)O6 octahedra,  a cornercorner with one Cr(4)O6 octahedra, corners with two equivalent Cr(1)O6 octahedra, corners with two equivalent Cr(2)O6 octahedra,  an edgeedge with one Cr(5)O6 octahedra, and  an edgeedge with one Cr(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 44-53°. The Te(2)-O(11) bond length is 2.00 Å. The Te(2)-O(18) bond length is 2.06 Å. The Te(2)-O(2) bond length is 2.08 Å. The Te(2)-O(4) bond length is 1.99 Å. The Te(2)-O(6) bond length is 1.88 Å. The Te(2)-O(7) bond length is 1.87 Å. In the third Te site, Te(3) is bonded to one O(14), one O(15), one O(16), one O(3), one O(5), and one O(8) atom to form distorted TeO6 octahedra that share  a cornercorner with one Cr(3)O6 octahedra,  a cornercorner with one Cr(6)O6 octahedra,  an edgeedge with one Cr(3)O6 octahedra,  an edgeedge with one Cr(4)O6 octahedra, and edges with two equivalent Cr(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 21-52°. The Te(3)-O(14) bond length is 1.98 Å. The Te(3)-O(15) bond length is 1.89 Å. The Te(3)-O(16) bond length is 2.13 Å. The Te(3)-O(3) bond length is 1.96 Å. The Te(3)-O(5) bond length is 1.89 Å. The Te(3)-O(8) bond length is 2.05 Å. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded in a water-like geometry to one Cr(1) and one Te(1) atom. In the second O site, O(2) is bonded in a trigonal planar geometry to one Cr(1), one Cr(3), and one Te(2) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Cr(3), one Cr(6), and one Te(3) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Cr(2), one Cr(6), and one Te(2) atom. In the fifth O site, O(5) is bonded in a water-like geometry to one Cr(4) and one Te(3) atom. In the sixth O site, O(6) is bonded in a water-like geometry to one Cr(5) and one Te(2) atom. In the seventh O site, O(7) is bonded in a water-like geometry to one Cr(6) and one Te(2) atom. In the eighth O site, O(8) is bonded in a trigonal non-coplanar geometry to one Cr(2), one Cr(3), and one Te(3) atom. In the ninth O site, O(9) is bonded in a water-like geometry to one Cr(1) and one Te(1) atom. In the tenth O site, O(10) is bonded in a trigonal non-coplanar geometry to one Cr(1), one Cr(4), and one Te(1) atom. In the eleventh O site, O(11) is bonded in a trigonal planar geometry to one Cr(2), one Cr(4), and one Te(2) atom. In the twelfth O site, O(12) is bonded in a rectangular see-saw-like geometry to one Cr(1), one Cr(3), one Cr(4), and one Te(1) atom. In the thirteenth O site, O(13) is bonded in a water-like geometry to one Cr(3) and one Te(1) atom. In the fourteenth O site, O(14) is bonded in a water-like geometry to one Cr(2) and one Te(3) atom. In the fifteenth O site, O(15) is bonded in a water-like geometry to one Cr(2) and one Te(3) atom. In the sixteenth O site, O(16) is bonded in a rectangular see-saw-like geometry to one Cr(2), one Cr(3), one Cr(4), and one Te(3) atom. In the seventeenth O site, O(17) is bonded in a trigonal planar geometry to one Cr(4), one Cr(5), and one Te(1) atom. In the eighteenth O site, O(18) is bonded in a distorted trigonal planar geometry to one Cr(1), one Cr(5), and one Te(2) atom.