GdOOH crystallizes in the monoclinic P2_1/m space group. Gd(1) is bonded in a 7-coordinate geometry to three equivalent O(2) and four equivalent O(1) atoms. 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 Gd(1) atoms to form a mixture of edge and corner-sharing OGd4 tetrahedra. In the second O site, O(2) is bonded in a single-bond geometry to three equivalent Gd(1) and one H(1) atom.
GdOOH crystallizes in the monoclinic P2_1/m space group. Gd(1) is bonded in a 7-coordinate geometry to three equivalent O(2) and four equivalent O(1) atoms. There is one shorter (2.40 Å) and two longer (2.49 Å) Gd(1)-O(2) bond lengths. There are a spread of Gd(1)-O(1) bond distances ranging from 2.30-2.34 Å. 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 Gd(1) atoms to form a mixture of edge and corner-sharing OGd4 tetrahedra. In the second O site, O(2) is bonded in a single-bond geometry to three equivalent Gd(1) and one H(1) atom.