K2LiH2(SeO3)2 crystallizes in the triclinic P1 space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 4-coordinate geometry to one O(3), one O(4), one O(5), and one O(6) atom. In the second K site, K(2) is bonded in a 4-coordinate geometry to one O(1), one O(2), one O(3), and one O(5) atom. Li(1) is bonded in a distorted tetrahedral geometry to one O(1), one O(3), one O(4), and one O(6) atom. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(2) and one O(6) 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(3), and one O(5) atom. In the second Se site, Se(2) is bonded in a water-like geometry to one O(4) and one O(6) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 1-coordinate geometry to one K(2), one Li(1), and one H(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one K(2), one H(2), and one Se(1) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one K(1), one K(2), one Li(1), and one Se(1) atom. In the fourth O site, O(4) is bonded in a 2-coordinate geometry to one K(1), one Li(1), and one Se(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one K(1), one K(2), and one Se(1) atom. In the sixth O site, O(6) is bonded in a distorted tetrahedral geometry to one K(1), one Li(1), one H(2), and one Se(2) atom.
K2LiH2(SeO3)2 crystallizes in the triclinic P1 space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 4-coordinate geometry to one O(3), one O(4), one O(5), and one O(6) atom. The K(1)-O(3) bond length is 2.80 Å. The K(1)-O(4) bond length is 2.88 Å. The K(1)-O(5) bond length is 2.82 Å. The K(1)-O(6) bond length is 2.98 Å. In the second K site, K(2) is bonded in a 4-coordinate geometry to one O(1), one O(2), one O(3), and one O(5) atom. The K(2)-O(1) bond length is 2.51 Å. The K(2)-O(2) bond length is 2.73 Å. The K(2)-O(3) bond length is 2.67 Å. The K(2)-O(5) bond length is 2.71 Å. Li(1) is bonded in a distorted tetrahedral geometry to one O(1), one O(3), one O(4), and one O(6) atom. The Li(1)-O(1) bond length is 1.89 Å. The Li(1)-O(3) bond length is 1.99 Å. The Li(1)-O(4) bond length is 1.98 Å. The Li(1)-O(6) bond length is 2.07 Å. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(1) atom. The H(1)-O(1) bond length is 0.98 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(2) and one O(6) atom. The H(2)-O(2) bond length is 1.01 Å. The H(2)-O(6) bond length is 1.73 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(3), and one O(5) atom. The Se(1)-O(2) bond length is 1.85 Å. The Se(1)-O(3) bond length is 1.69 Å. The Se(1)-O(5) bond length is 1.70 Å. In the second Se site, Se(2) is bonded in a water-like geometry to one O(4) and one O(6) atom. The Se(2)-O(4) bond length is 1.71 Å. The Se(2)-O(6) bond length is 1.74 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 1-coordinate geometry to one K(2), one Li(1), and one H(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one K(2), one H(2), and one Se(1) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one K(1), one K(2), one Li(1), and one Se(1) atom. In the fourth O site, O(4) is bonded in a 2-coordinate geometry to one K(1), one Li(1), and one Se(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one K(1), one K(2), and one Se(1) atom. In the sixth O site, O(6) is bonded in a distorted tetrahedral geometry to one K(1), one Li(1), one H(2), and one Se(2) atom.