HTeO3 crystallizes in the monoclinic Pc space group. There are four inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(5) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(6) atom. In the third H site, H(3) is bonded in a single-bond geometry to one O(9) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(10) atom. There are four inequivalent Te sites. In the first Te site, Te(1) is bonded to one O(1), one O(11), one O(3), one O(4), one O(5), and one O(8) atom to form corner-sharing TeO6 octahedra. The corner-sharing octahedral tilt angles are 46°. In the second Te site, Te(2) is bonded to one O(12), one O(2), one O(3), one O(4), one O(6), and one O(7) atom to form corner-sharing TeO6 octahedra. The corner-sharing octahedral tilt angles are 46°. In the third Te site, Te(3) is bonded in a 4-coordinate geometry to one O(11), one O(2), one O(8), and one O(9) atom. In the fourth Te site, Te(4) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(10), one O(12), and one O(7) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Te(1) and one Te(4) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Te(2) and one Te(3) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Te(1) and one Te(2) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Te(1) and one Te(2) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one H(1) and one Te(1) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one H(2) and one Te(2) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one Te(2) and one Te(4) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one Te(1) and one Te(3) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one H(3) and one Te(3) atom. In the tenth O site, O(10) is bonded in a distorted single-bond geometry to one H(4) and one Te(4) atom. In the eleventh O site, O(11) is bonded in a bent 120 degrees geometry to one Te(1) and one Te(3) atom. In the twelfth O site, O(12) is bonded in a bent 120 degrees geometry to one Te(2) and one Te(4) atom.
HTeO3 crystallizes in the monoclinic Pc space group. There are four inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(5) atom. The H(1)-O(5) bond length is 0.99 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(6) atom. The H(2)-O(6) bond length is 0.98 Å. In the third H site, H(3) is bonded in a single-bond geometry to one O(9) atom. The H(3)-O(9) bond length is 0.99 Å. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(10) atom. The H(4)-O(10) bond length is 0.99 Å. There are four inequivalent Te sites. In the first Te site, Te(1) is bonded to one O(1), one O(11), one O(3), one O(4), one O(5), and one O(8) atom to form corner-sharing TeO6 octahedra. The corner-sharing octahedral tilt angles are 46°. The Te(1)-O(1) bond length is 1.93 Å. The Te(1)-O(11) bond length is 1.91 Å. The Te(1)-O(3) bond length is 2.01 Å. The Te(1)-O(4) bond length is 2.00 Å. The Te(1)-O(5) bond length is 1.97 Å. The Te(1)-O(8) bond length is 1.98 Å. In the second Te site, Te(2) is bonded to one O(12), one O(2), one O(3), one O(4), one O(6), and one O(7) atom to form corner-sharing TeO6 octahedra. The corner-sharing octahedral tilt angles are 46°. The Te(2)-O(12) bond length is 1.91 Å. The Te(2)-O(2) bond length is 1.94 Å. The Te(2)-O(3) bond length is 2.00 Å. The Te(2)-O(4) bond length is 2.01 Å. The Te(2)-O(6) bond length is 1.95 Å. The Te(2)-O(7) bond length is 1.98 Å. In the third Te site, Te(3) is bonded in a 4-coordinate geometry to one O(11), one O(2), one O(8), and one O(9) atom. The Te(3)-O(11) bond length is 2.21 Å. The Te(3)-O(2) bond length is 2.04 Å. The Te(3)-O(8) bond length is 1.95 Å. The Te(3)-O(9) bond length is 1.97 Å. In the fourth Te site, Te(4) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(10), one O(12), and one O(7) atom. The Te(4)-O(1) bond length is 2.06 Å. The Te(4)-O(10) bond length is 1.97 Å. The Te(4)-O(12) bond length is 2.17 Å. The Te(4)-O(7) bond length is 1.95 Å. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Te(1) and one Te(4) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Te(2) and one Te(3) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Te(1) and one Te(2) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Te(1) and one Te(2) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one H(1) and one Te(1) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one H(2) and one Te(2) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one Te(2) and one Te(4) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one Te(1) and one Te(3) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one H(3) and one Te(3) atom. In the tenth O site, O(10) is bonded in a distorted single-bond geometry to one H(4) and one Te(4) atom. In the eleventh O site, O(11) is bonded in a bent 120 degrees geometry to one Te(1) and one Te(3) atom. In the twelfth O site, O(12) is bonded in a bent 120 degrees geometry to one Te(2) and one Te(4) atom.