Ba(H2O3)2 crystallizes in the triclinic P1 space group. There are two inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 10-coordinate geometry to one O(1), one O(10), one O(12), one O(2), one O(3), one O(4), one O(6), one O(9), and two equivalent O(5) atoms. In the second Ba site, Ba(2) is bonded in a 9-coordinate geometry to one O(10), one O(11), one O(12), one O(2), one O(3), one O(4), one O(7), and two equivalent O(8) atoms. There are eight inequivalent H sites. In the first H site, H(1) is bonded in a linear geometry to one O(12) and one O(4) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(9) atom. In the third H site, H(3) is bonded in a single-bond geometry to one O(6) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(11) atom. In the fifth H site, H(5) is bonded in a distorted linear geometry to one O(12) and one O(8) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one O(11) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one O(9) atom. In the eighth H site, H(8) is bonded in a distorted linear geometry to one O(10) and one O(2) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted L-shaped geometry to one Ba(1) and one O(5) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Ba(1), one Ba(2), and one H(8) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Ba(1), one Ba(2), and one O(7) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to one Ba(1), one Ba(2), and one H(1) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to two equivalent Ba(1) and one O(1) atom. In the sixth O site, O(6) is bonded in a single-bond geometry to one Ba(1) and one H(3) atom. In the seventh O site, O(7) is bonded in a 1-coordinate geometry to one Ba(2) and one O(3) atom. In the eighth O site, O(8) is bonded in a single-bond geometry to two equivalent Ba(2) and one H(5) atom. In the ninth O site, O(9) is bonded in a water-like geometry to one Ba(1), one H(2), and one H(7) atom. In the tenth O site, O(10) is bonded in a single-bond geometry to one Ba(1), one Ba(2), and one H(8) atom. In the eleventh O site, O(11) is bonded in a water-like geometry to one Ba(2), one H(4), and one H(6) atom. In the twelfth O site, O(12) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(2), one H(1), and one H(5) atom.
Ba(H2O3)2 crystallizes in the triclinic P1 space group. There are two inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 10-coordinate geometry to one O(1), one O(10), one O(12), one O(2), one O(3), one O(4), one O(6), one O(9), and two equivalent O(5) atoms. The Ba(1)-O(1) bond length is 2.74 Å. The Ba(1)-O(10) bond length is 2.83 Å. The Ba(1)-O(12) bond length is 2.81 Å. The Ba(1)-O(2) bond length is 2.85 Å. The Ba(1)-O(3) bond length is 2.90 Å. The Ba(1)-O(4) bond length is 2.92 Å. The Ba(1)-O(6) bond length is 3.11 Å. The Ba(1)-O(9) bond length is 2.87 Å. There is one shorter (2.82 Å) and one longer (2.93 Å) Ba(1)-O(5) bond length. In the second Ba site, Ba(2) is bonded in a 9-coordinate geometry to one O(10), one O(11), one O(12), one O(2), one O(3), one O(4), one O(7), and two equivalent O(8) atoms. The Ba(2)-O(10) bond length is 2.77 Å. The Ba(2)-O(11) bond length is 2.83 Å. The Ba(2)-O(12) bond length is 2.87 Å. The Ba(2)-O(2) bond length is 2.81 Å. The Ba(2)-O(3) bond length is 2.75 Å. The Ba(2)-O(4) bond length is 2.90 Å. The Ba(2)-O(7) bond length is 2.96 Å. There is one shorter (3.03 Å) and one longer (3.13 Å) Ba(2)-O(8) bond length. There are eight inequivalent H sites. In the first H site, H(1) is bonded in a linear geometry to one O(12) and one O(4) atom. The H(1)-O(12) bond length is 1.58 Å. The H(1)-O(4) bond length is 1.04 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(9) atom. The H(2)-O(9) bond length is 0.98 Å. In the third H site, H(3) is bonded in a single-bond geometry to one O(6) atom. The H(3)-O(6) bond length is 1.00 Å. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(11) atom. The H(4)-O(11) bond length is 0.98 Å. In the fifth H site, H(5) is bonded in a distorted linear geometry to one O(12) and one O(8) atom. The H(5)-O(12) bond length is 1.59 Å. The H(5)-O(8) bond length is 1.04 Å. In the sixth H site, H(6) is bonded in a single-bond geometry to one O(11) atom. The H(6)-O(11) bond length is 0.99 Å. In the seventh H site, H(7) is bonded in a single-bond geometry to one O(9) atom. The H(7)-O(9) bond length is 0.99 Å. In the eighth H site, H(8) is bonded in a distorted linear geometry to one O(10) and one O(2) atom. The H(8)-O(10) bond length is 1.06 Å. The H(8)-O(2) bond length is 1.51 Å. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted L-shaped geometry to one Ba(1) and one O(5) atom. The O(1)-O(5) bond length is 1.34 Å. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Ba(1), one Ba(2), and one H(8) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Ba(1), one Ba(2), and one O(7) atom. The O(3)-O(7) bond length is 1.36 Å. In the fourth O site, O(4) is bonded in a single-bond geometry to one Ba(1), one Ba(2), and one H(1) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to two equivalent Ba(1) and one O(1) atom. In the sixth O site, O(6) is bonded in a single-bond geometry to one Ba(1) and one H(3) atom. In the seventh O site, O(7) is bonded in a 1-coordinate geometry to one Ba(2) and one O(3) atom. In the eighth O site, O(8) is bonded in a single-bond geometry to two equivalent Ba(2) and one H(5) atom. In the ninth O site, O(9) is bonded in a water-like geometry to one Ba(1), one H(2), and one H(7) atom. In the tenth O site, O(10) is bonded in a single-bond geometry to one Ba(1), one Ba(2), and one H(8) atom. In the eleventh O site, O(11) is bonded in a water-like geometry to one Ba(2), one H(4), and one H(6) atom. In the twelfth O site, O(12) is bonded in a 2-coordinate geometry to one Ba(1), one Ba(2), one H(1), and one H(5) atom.