BaH4O3 crystallizes in the orthorhombic Pmc2_1 space group. Ba(1) is bonded in a 8-coordinate geometry to two equivalent O(1), two equivalent O(3), and four equivalent O(2) atoms. There are three inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(2) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(3) atom. In the third H site, H(3) is bonded in a distorted linear geometry to one O(1) and one O(3) atom. There are three inequivalent O sites. In the first O site, O(1) is bonded in a water-like geometry to two equivalent Ba(1) and two equivalent H(3) atoms. In the second O site, O(2) is bonded in a single-bond geometry to four equivalent Ba(1) and one H(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to two equivalent Ba(1), one H(2), and two equivalent H(3) atoms.
BaH4O3 crystallizes in the orthorhombic Pmc2_1 space group. Ba(1) is bonded in a 8-coordinate geometry to two equivalent O(1), two equivalent O(3), and four equivalent O(2) atoms. There is one shorter (2.84 Å) and one longer (2.89 Å) Ba(1)-O(1) bond length. Both Ba(1)-O(3) bond lengths are 2.84 Å. There are two shorter (2.81 Å) and two longer (2.82 Å) Ba(1)-O(2) bond lengths. There are three inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(2) atom. The H(1)-O(2) bond length is 0.97 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(3) atom. The H(2)-O(3) bond length is 0.97 Å. In the third H site, H(3) is bonded in a distorted linear geometry to one O(1) and one O(3) atom. The H(3)-O(1) bond length is 1.01 Å. The H(3)-O(3) bond length is 1.63 Å. There are three inequivalent O sites. In the first O site, O(1) is bonded in a water-like geometry to two equivalent Ba(1) and two equivalent H(3) atoms. In the second O site, O(2) is bonded in a single-bond geometry to four equivalent Ba(1) and one H(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to two equivalent Ba(1), one H(2), and two equivalent H(3) atoms.