LiDy(WO4)2 crystallizes in the monoclinic P2/c space group. Li(1) is bonded to two equivalent O(2) and two equivalent O(3) atoms to form distorted LiO4 trigonal pyramids that share corners with six equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 47-64°. Dy(1) is bonded in a 6-coordinate geometry to two equivalent O(1), two equivalent O(2), and two equivalent O(4) atoms. W(1) is bonded to one O(1), one O(2), two equivalent O(3), and two equivalent O(4) atoms to form distorted WO6 octahedra that share corners with three equivalent Li(1)O4 trigonal pyramids and edges with two equivalent W(1)O6 octahedra. There are four inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Dy(1) and one W(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Li(1), one Dy(1), and one W(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Li(1) and two equivalent W(1) atoms. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one Dy(1) and two equivalent W(1) atoms.
LiDy(WO4)2 crystallizes in the monoclinic P2/c space group. Li(1) is bonded to two equivalent O(2) and two equivalent O(3) atoms to form distorted LiO4 trigonal pyramids that share corners with six equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 47-64°. Both Li(1)-O(2) bond lengths are 2.15 Å. Both Li(1)-O(3) bond lengths are 2.08 Å. Dy(1) is bonded in a 6-coordinate geometry to two equivalent O(1), two equivalent O(2), and two equivalent O(4) atoms. Both Dy(1)-O(1) bond lengths are 2.24 Å. Both Dy(1)-O(2) bond lengths are 2.37 Å. Both Dy(1)-O(4) bond lengths are 2.27 Å. W(1) is bonded to one O(1), one O(2), two equivalent O(3), and two equivalent O(4) atoms to form distorted WO6 octahedra that share corners with three equivalent Li(1)O4 trigonal pyramids and edges with two equivalent W(1)O6 octahedra. The W(1)-O(1) bond length is 1.82 Å. The W(1)-O(2) bond length is 1.83 Å. There is one shorter (1.91 Å) and one longer (2.22 Å) W(1)-O(3) bond length. There is one shorter (2.00 Å) and one longer (2.12 Å) W(1)-O(4) bond length. There are four inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Dy(1) and one W(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Li(1), one Dy(1), and one W(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Li(1) and two equivalent W(1) atoms. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one Dy(1) and two equivalent W(1) atoms.