BaH2(SO4)2 crystallizes in the orthorhombic P2_12_12_1 space group. Ba(1) is bonded in a 10-coordinate geometry to one O(2), one O(6), one O(7), one O(8), two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(4) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(8) atom. There are two inequivalent S sites. In the first S site, S(1) is bonded in a tetrahedral geometry to one O(1), one O(2), one O(3), and one O(4) atom. In the second S site, S(2) is bonded in a tetrahedral geometry to one O(5), one O(6), one O(7), and one O(8) atom. There are eight inequivalent O sites. In the first O site, O(4) is bonded in a water-like geometry to one H(1) and one S(1) atom. In the second O site, O(5) is bonded in a distorted single-bond geometry to two equivalent Ba(1) and one S(2) atom. In the third O site, O(6) is bonded in a distorted single-bond geometry to one Ba(1) and one S(2) atom. In the fourth O site, O(7) is bonded in a distorted single-bond geometry to one Ba(1) and one S(2) atom. In the fifth O site, O(8) is bonded in a distorted water-like geometry to one Ba(1), one H(2), and one S(2) atom. In the sixth O site, O(1) is bonded in a distorted single-bond geometry to two equivalent Ba(1) and one S(1) atom. In the seventh O site, O(2) is bonded in a distorted single-bond geometry to one Ba(1) and one S(1) atom. In the eighth O site, O(3) is bonded in a distorted single-bond geometry to two equivalent Ba(1) and one S(1) atom.
BaH2(SO4)2 crystallizes in the orthorhombic P2_12_12_1 space group. Ba(1) is bonded in a 10-coordinate geometry to one O(2), one O(6), one O(7), one O(8), two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms. The Ba(1)-O(2) bond length is 2.89 Å. The Ba(1)-O(6) bond length is 2.68 Å. The Ba(1)-O(7) bond length is 2.82 Å. The Ba(1)-O(8) bond length is 3.10 Å. There is one shorter (2.89 Å) and one longer (2.96 Å) Ba(1)-O(1) bond length. There is one shorter (2.91 Å) and one longer (3.29 Å) Ba(1)-O(3) bond length. There is one shorter (2.77 Å) and one longer (3.01 Å) Ba(1)-O(5) 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(4) atom. The H(1)-O(4) bond length is 0.99 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(8) atom. The H(2)-O(8) bond length is 0.99 Å. There are two inequivalent S sites. In the first S site, S(1) is bonded in a tetrahedral geometry to one O(1), one O(2), one O(3), and one O(4) atom. The S(1)-O(1) bond length is 1.47 Å. The S(1)-O(2) bond length is 1.47 Å. The S(1)-O(3) bond length is 1.48 Å. The S(1)-O(4) bond length is 1.59 Å. In the second S site, S(2) is bonded in a tetrahedral geometry to one O(5), one O(6), one O(7), and one O(8) atom. The S(2)-O(5) bond length is 1.47 Å. The S(2)-O(6) bond length is 1.46 Å. The S(2)-O(7) bond length is 1.46 Å. The S(2)-O(8) bond length is 1.61 Å. There are eight inequivalent O sites. In the first O site, O(4) is bonded in a water-like geometry to one H(1) and one S(1) atom. In the second O site, O(5) is bonded in a distorted single-bond geometry to two equivalent Ba(1) and one S(2) atom. In the third O site, O(6) is bonded in a distorted single-bond geometry to one Ba(1) and one S(2) atom. In the fourth O site, O(7) is bonded in a distorted single-bond geometry to one Ba(1) and one S(2) atom. In the fifth O site, O(8) is bonded in a distorted water-like geometry to one Ba(1), one H(2), and one S(2) atom. In the sixth O site, O(1) is bonded in a distorted single-bond geometry to two equivalent Ba(1) and one S(1) atom. In the seventh O site, O(2) is bonded in a distorted single-bond geometry to one Ba(1) and one S(1) atom. In the eighth O site, O(3) is bonded in a distorted single-bond geometry to two equivalent Ba(1) and one S(1) atom.