RbZn2HSe2O7 crystallizes in the triclinic P-1 space group. Rb(1) is bonded in a 8-coordinate geometry to one O(1), one O(4), one O(5), one O(7), two equivalent O(2), and two equivalent O(6) atoms. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one O(1), one O(2), one O(3), and one O(7) atom to form corner-sharing ZnO4 tetrahedra. In the second Zn site, Zn(2) is bonded to one O(4), one O(5), one O(6), and one O(7) atom to form corner-sharing ZnO4 tetrahedra. H(1) is bonded in a single-bond geometry to one O(7) 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(1), one O(2), and one O(3) atom. In the second Se site, Se(2) is bonded in a trigonal non-coplanar geometry to one O(4), one O(5), and one O(6) atom. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Rb(1), one Zn(1), and one Se(1) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to two equivalent Rb(1), one Zn(1), and one Se(1) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Zn(1) and one Se(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Rb(1), one Zn(2), and one Se(2) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Rb(1), one Zn(2), and one Se(2) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to two equivalent Rb(1), one Zn(2), and one Se(2) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Rb(1), one Zn(1), one Zn(2), and one H(1) atom.
RbZn2HSe2O7 crystallizes in the triclinic P-1 space group. Rb(1) is bonded in a 8-coordinate geometry to one O(1), one O(4), one O(5), one O(7), two equivalent O(2), and two equivalent O(6) atoms. The Rb(1)-O(1) bond length is 3.10 Å. The Rb(1)-O(4) bond length is 3.11 Å. The Rb(1)-O(5) bond length is 3.19 Å. The Rb(1)-O(7) bond length is 3.36 Å. There is one shorter (2.99 Å) and one longer (3.14 Å) Rb(1)-O(2) bond length. There is one shorter (3.00 Å) and one longer (3.18 Å) Rb(1)-O(6) bond length. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one O(1), one O(2), one O(3), and one O(7) atom to form corner-sharing ZnO4 tetrahedra. The Zn(1)-O(1) bond length is 2.02 Å. The Zn(1)-O(2) bond length is 1.98 Å. The Zn(1)-O(3) bond length is 1.98 Å. The Zn(1)-O(7) bond length is 1.98 Å. In the second Zn site, Zn(2) is bonded to one O(4), one O(5), one O(6), and one O(7) atom to form corner-sharing ZnO4 tetrahedra. The Zn(2)-O(4) bond length is 2.02 Å. The Zn(2)-O(5) bond length is 1.98 Å. The Zn(2)-O(6) bond length is 1.98 Å. The Zn(2)-O(7) bond length is 1.98 Å. H(1) is bonded in a single-bond geometry to one O(7) atom. The H(1)-O(7) 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(1), one O(2), and one O(3) atom. The Se(1)-O(1) bond length is 1.72 Å. The Se(1)-O(2) bond length is 1.74 Å. The Se(1)-O(3) bond length is 1.74 Å. In the second Se site, Se(2) is bonded in a trigonal non-coplanar geometry to one O(4), one O(5), and one O(6) atom. The Se(2)-O(4) bond length is 1.72 Å. The Se(2)-O(5) bond length is 1.73 Å. The Se(2)-O(6) bond length is 1.73 Å. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Rb(1), one Zn(1), and one Se(1) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to two equivalent Rb(1), one Zn(1), and one Se(1) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Zn(1) and one Se(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Rb(1), one Zn(2), and one Se(2) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Rb(1), one Zn(2), and one Se(2) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to two equivalent Rb(1), one Zn(2), and one Se(2) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Rb(1), one Zn(1), one Zn(2), and one H(1) atom.