K2Ti(TeO4)3 crystallizes in the monoclinic C2 space group. K(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom. Ti(1) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(5) atoms to form TiO6 octahedra that share corners with two equivalent Te(2)O6 octahedra and corners with four equivalent Te(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-42°. There are two inequivalent Te sites. In the first Te site, Te(1) is bonded to one O(3), one O(4), one O(5), one O(6), and two equivalent O(1) atoms to form TeO6 octahedra that share corners with two equivalent Ti(1)O6 octahedra, corners with two equivalent Te(1)O6 octahedra, and corners with two equivalent Te(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-47°. In the second Te site, Te(2) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form TeO6 octahedra that share corners with two equivalent Ti(1)O6 octahedra and corners with four equivalent Te(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-47°. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one K(1) and two equivalent Te(1) atoms. In the second O site, O(2) is bonded in a 2-coordinate geometry to one K(1), one Ti(1), and one Te(2) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one K(1), one Ti(1), and one Te(1) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one K(1), one Te(1), and one Te(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one K(1), one Ti(1), and one Te(1) atom. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one K(1), one Te(1), and one Te(2) atom.
K2Ti(TeO4)3 crystallizes in the monoclinic C2 space group. K(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom. The K(1)-O(1) bond length is 3.22 Å. The K(1)-O(2) bond length is 3.01 Å. The K(1)-O(3) bond length is 3.32 Å. The K(1)-O(4) bond length is 2.92 Å. The K(1)-O(5) bond length is 2.98 Å. The K(1)-O(6) bond length is 3.24 Å. Ti(1) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(5) atoms to form TiO6 octahedra that share corners with two equivalent Te(2)O6 octahedra and corners with four equivalent Te(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-42°. Both Ti(1)-O(2) bond lengths are 1.96 Å. Both Ti(1)-O(3) bond lengths are 1.95 Å. Both Ti(1)-O(5) bond lengths are 1.97 Å. There are two inequivalent Te sites. In the first Te site, Te(1) is bonded to one O(3), one O(4), one O(5), one O(6), and two equivalent O(1) atoms to form TeO6 octahedra that share corners with two equivalent Ti(1)O6 octahedra, corners with two equivalent Te(1)O6 octahedra, and corners with two equivalent Te(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-47°. The Te(1)-O(3) bond length is 1.90 Å. The Te(1)-O(4) bond length is 1.98 Å. The Te(1)-O(5) bond length is 1.89 Å. The Te(1)-O(6) bond length is 1.97 Å. There is one shorter (1.97 Å) and one longer (1.98 Å) Te(1)-O(1) bond length. In the second Te site, Te(2) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form TeO6 octahedra that share corners with two equivalent Ti(1)O6 octahedra and corners with four equivalent Te(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-47°. Both Te(2)-O(2) bond lengths are 1.90 Å. Both Te(2)-O(4) bond lengths are 1.98 Å. Both Te(2)-O(6) bond lengths are 1.97 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one K(1) and two equivalent Te(1) atoms. In the second O site, O(2) is bonded in a 2-coordinate geometry to one K(1), one Ti(1), and one Te(2) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one K(1), one Ti(1), and one Te(1) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one K(1), one Te(1), and one Te(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one K(1), one Ti(1), and one Te(1) atom. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one K(1), one Te(1), and one Te(2) atom.