LiSr2(H4O3)2 crystallizes in the triclinic P1 space group. Li(1) is bonded in a distorted see-saw-like geometry to one O(1), one O(2), and two equivalent O(4) atoms. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 7-coordinate geometry to one O(1), two equivalent O(3), two equivalent O(5), and two equivalent O(6) atoms. In the second Sr site, Sr(2) is bonded in a 7-coordinate geometry to one O(2), two equivalent O(4), two equivalent O(5), and two equivalent O(6) atoms. There are eight 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 distorted single-bond geometry to one O(1) atom. In the third H site, H(3) is bonded in a single-bond geometry to one O(2) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(2) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(3) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one O(4) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one O(5) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one O(6) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted water-like geometry to one Li(1), one Sr(1), one H(1), and one H(2) atom. In the second O site, O(2) is bonded in a distorted water-like geometry to one Li(1), one Sr(2), one H(3), and one H(4) atom. In the third O site, O(3) is bonded in a single-bond geometry to two equivalent Sr(1) and one H(5) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to two equivalent Li(1), two equivalent Sr(2), and one H(6) atom. In the fifth O site, O(5) is bonded in a single-bond geometry to two equivalent Sr(1), two equivalent Sr(2), and one H(7) atom. In the sixth O site, O(6) is bonded in a single-bond geometry to two equivalent Sr(1), two equivalent Sr(2), and one H(8) atom.
LiSr2(H4O3)2 crystallizes in the triclinic P1 space group. Li(1) is bonded in a distorted see-saw-like geometry to one O(1), one O(2), and two equivalent O(4) atoms. The Li(1)-O(1) bond length is 2.05 Å. The Li(1)-O(2) bond length is 2.03 Å. There is one shorter (2.05 Å) and one longer (2.07 Å) Li(1)-O(4) bond length. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 7-coordinate geometry to one O(1), two equivalent O(3), two equivalent O(5), and two equivalent O(6) atoms. The Sr(1)-O(1) bond length is 3.13 Å. There is one shorter (2.59 Å) and one longer (2.61 Å) Sr(1)-O(3) bond length. There is one shorter (2.64 Å) and one longer (2.65 Å) Sr(1)-O(5) bond length. There is one shorter (2.68 Å) and one longer (2.70 Å) Sr(1)-O(6) bond length. In the second Sr site, Sr(2) is bonded in a 7-coordinate geometry to one O(2), two equivalent O(4), two equivalent O(5), and two equivalent O(6) atoms. The Sr(2)-O(2) bond length is 2.63 Å. There is one shorter (2.61 Å) and one longer (2.62 Å) Sr(2)-O(4) bond length. There is one shorter (2.68 Å) and one longer (2.69 Å) Sr(2)-O(5) bond length. There is one shorter (2.69 Å) and one longer (2.70 Å) Sr(2)-O(6) bond length. There are eight 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 1.01 Å. In the second H site, H(2) is bonded in a distorted single-bond geometry to one O(1) atom. The H(2)-O(1) bond length is 1.02 Å. In the third H site, H(3) is bonded in a single-bond geometry to one O(2) atom. The H(3)-O(2) bond length is 1.02 Å. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(2) atom. The H(4)-O(2) bond length is 1.02 Å. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(3) atom. The H(5)-O(3) bond length is 1.00 Å. In the sixth H site, H(6) is bonded in a single-bond geometry to one O(4) atom. The H(6)-O(4) bond length is 0.98 Å. In the seventh H site, H(7) is bonded in a single-bond geometry to one O(5) atom. The H(7)-O(5) bond length is 0.99 Å. In the eighth H site, H(8) is bonded in a single-bond geometry to one O(6) atom. The H(8)-O(6) bond length is 0.98 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted water-like geometry to one Li(1), one Sr(1), one H(1), and one H(2) atom. In the second O site, O(2) is bonded in a distorted water-like geometry to one Li(1), one Sr(2), one H(3), and one H(4) atom. In the third O site, O(3) is bonded in a single-bond geometry to two equivalent Sr(1) and one H(5) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to two equivalent Li(1), two equivalent Sr(2), and one H(6) atom. In the fifth O site, O(5) is bonded in a single-bond geometry to two equivalent Sr(1), two equivalent Sr(2), and one H(7) atom. In the sixth O site, O(6) is bonded in a single-bond geometry to two equivalent Sr(1), two equivalent Sr(2), and one H(8) atom.