YbOOH crystallizes in the monoclinic P2_1/m space group. Yb(1) is bonded to three equivalent O(2) and four equivalent O(1) atoms to form a mixture of distorted edge and corner-sharing YbO7 hexagonal pyramids. H(1) is bonded in a single-bond geometry to one O(2) atom. There are two inequivalent O sites. In the first O site, O(1) is bonded to four equivalent Yb(1) atoms to form a mixture of edge and corner-sharing OYb4 tetrahedra. In the second O site, O(2) is bonded in a distorted single-bond geometry to three equivalent Yb(1) and one H(1) atom.
YbOOH crystallizes in the monoclinic P2_1/m space group. Yb(1) is bonded to three equivalent O(2) and four equivalent O(1) atoms to form a mixture of distorted edge and corner-sharing YbO7 hexagonal pyramids. There is one shorter (2.34 Å) and two longer (2.37 Å) Yb(1)-O(2) bond lengths. There is one shorter (2.34 Å) and three longer (2.36 Å) Yb(1)-O(1) bond lengths. 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. There are two inequivalent O sites. In the first O site, O(1) is bonded to four equivalent Yb(1) atoms to form a mixture of edge and corner-sharing OYb4 tetrahedra. In the second O site, O(2) is bonded in a distorted single-bond geometry to three equivalent Yb(1) and one H(1) atom.