InHSeO4 crystallizes in the triclinic P-1 space group. There are two inequivalent In sites. In the first In site, In(1) is bonded to one O(1), one O(2), one O(3), one O(5), and two equivalent O(6) atoms to form a mixture of corner and edge-sharing InO6 octahedra. The corner-sharing octahedral tilt angles range from 44-49°. In the second In site, In(2) is bonded to one O(3), one O(4), one O(5), one O(8), and two equivalent O(7) atoms to form a mixture of corner and edge-sharing InO6 octahedra. The corner-sharing octahedral tilt angles range from 44-49°. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(3) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(5) atom. There are two inequivalent Se sites. In the first Se site, Se(1) is bonded in a trigonal non-coplanar geometry to one O(2), one O(6), and one O(8) atom. In the second Se site, Se(2) is bonded in a trigonal non-coplanar geometry to one O(1), one O(4), and one O(7) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one In(1) and one Se(2) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one In(1) and one Se(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one In(1), one In(2), and one H(1) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one In(2) and one Se(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one In(1), one In(2), and one H(2) atom. In the sixth O site, O(6) is bonded in a trigonal planar geometry to two equivalent In(1) and one Se(1) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to two equivalent In(2) and one Se(2) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one In(2) and one Se(1) atom.
InHSeO4 crystallizes in the triclinic P-1 space group. There are two inequivalent In sites. In the first In site, In(1) is bonded to one O(1), one O(2), one O(3), one O(5), and two equivalent O(6) atoms to form a mixture of corner and edge-sharing InO6 octahedra. The corner-sharing octahedral tilt angles range from 44-49°. The In(1)-O(1) bond length is 2.23 Å. The In(1)-O(2) bond length is 2.20 Å. The In(1)-O(3) bond length is 2.12 Å. The In(1)-O(5) bond length is 2.12 Å. There is one shorter (2.23 Å) and one longer (2.27 Å) In(1)-O(6) bond length. In the second In site, In(2) is bonded to one O(3), one O(4), one O(5), one O(8), and two equivalent O(7) atoms to form a mixture of corner and edge-sharing InO6 octahedra. The corner-sharing octahedral tilt angles range from 44-49°. The In(2)-O(3) bond length is 2.14 Å. The In(2)-O(4) bond length is 2.22 Å. The In(2)-O(5) bond length is 2.12 Å. The In(2)-O(8) bond length is 2.22 Å. There is one shorter (2.24 Å) and one longer (2.27 Å) In(2)-O(7) bond length. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(3) atom. The H(1)-O(3) bond length is 0.98 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(5) atom. The H(2)-O(5) bond length is 0.98 Å. There are two inequivalent Se sites. In the first Se site, Se(1) is bonded in a trigonal non-coplanar geometry to one O(2), one O(6), and one O(8) atom. The Se(1)-O(2) bond length is 1.71 Å. The Se(1)-O(6) bond length is 1.80 Å. The Se(1)-O(8) bond length is 1.72 Å. In the second Se site, Se(2) is bonded in a trigonal non-coplanar geometry to one O(1), one O(4), and one O(7) atom. The Se(2)-O(1) bond length is 1.72 Å. The Se(2)-O(4) bond length is 1.70 Å. The Se(2)-O(7) bond length is 1.80 Å. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one In(1) and one Se(2) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one In(1) and one Se(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one In(1), one In(2), and one H(1) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one In(2) and one Se(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one In(1), one In(2), and one H(2) atom. In the sixth O site, O(6) is bonded in a trigonal planar geometry to two equivalent In(1) and one Se(1) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to two equivalent In(2) and one Se(2) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one In(2) and one Se(1) atom.