YBi(WO4)2 crystallizes in the monoclinic P2/c space group. Y(1) is bonded in a 8-coordinate geometry to two equivalent O(1), two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms. W(1) is bonded to one O(1), one O(3), two equivalent O(2), and two equivalent O(4) atoms to form distorted WO6 octahedra that share corners with four equivalent Bi(1)O6 octahedra and edges with two equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 43-69°. Bi(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form distorted BiO6 octahedra that share corners with eight equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 43-69°. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Y(1), one W(1), and one Bi(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Y(1), two equivalent W(1), and one Bi(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Y(1), one W(1), and one Bi(1) atom. In the fourth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to one Y(1) and two equivalent W(1) atoms.
YBi(WO4)2 crystallizes in the monoclinic P2/c space group. Y(1) is bonded in a 8-coordinate geometry to two equivalent O(1), two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms. Both Y(1)-O(1) bond lengths are 2.42 Å. Both Y(1)-O(2) bond lengths are 2.74 Å. Both Y(1)-O(3) bond lengths are 2.28 Å. Both Y(1)-O(4) bond lengths are 2.29 Å. W(1) is bonded to one O(1), one O(3), two equivalent O(2), and two equivalent O(4) atoms to form distorted WO6 octahedra that share corners with four equivalent Bi(1)O6 octahedra and edges with two equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 43-69°. The W(1)-O(1) bond length is 1.92 Å. The W(1)-O(3) bond length is 1.95 Å. There is one shorter (2.01 Å) and one longer (2.18 Å) W(1)-O(2) bond length. There is one shorter (2.01 Å) and one longer (2.15 Å) W(1)-O(4) bond length. Bi(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form distorted BiO6 octahedra that share corners with eight equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 43-69°. Both Bi(1)-O(1) bond lengths are 2.34 Å. Both Bi(1)-O(2) bond lengths are 2.47 Å. Both Bi(1)-O(3) bond lengths are 2.31 Å. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Y(1), one W(1), and one Bi(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Y(1), two equivalent W(1), and one Bi(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Y(1), one W(1), and one Bi(1) atom. In the fourth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to one Y(1) and two equivalent W(1) atoms.