YMn(WO4)2 crystallizes in the triclinic P1 space group. Y(1) is bonded to one O(1), one O(2), one O(4), one O(5), one O(6), and one O(8) atom to form YO6 octahedra that share corners with four equivalent W(1)O6 octahedra and corners with four equivalent W(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 36-63°. There are two inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(7), and one O(8) atom to form distorted WO6 octahedra that share corners with four equivalent Y(1)O6 octahedra and edges with two equivalent W(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 43-63°. In the second W site, W(2) is bonded to one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form distorted WO6 octahedra that share corners with four equivalent Y(1)O6 octahedra and edges with two equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 36-57°. Mn(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(6), one O(7), and one O(8) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one Y(1), one W(1), and one Mn(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Y(1), one W(1), and one Mn(1) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one W(1), one W(2), and one Mn(1) atom. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one Y(1), one W(1), and one W(2) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Y(1) and one W(2) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Y(1), one W(2), and one Mn(1) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one W(1), one W(2), and one Mn(1) atom. In the eighth O site, O(8) is bonded in a distorted trigonal pyramidal geometry to one Y(1), one W(1), one W(2), and one Mn(1) atom.
YMn(WO4)2 crystallizes in the triclinic P1 space group. Y(1) is bonded to one O(1), one O(2), one O(4), one O(5), one O(6), and one O(8) atom to form YO6 octahedra that share corners with four equivalent W(1)O6 octahedra and corners with four equivalent W(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 36-63°. The Y(1)-O(1) bond length is 2.28 Å. The Y(1)-O(2) bond length is 2.29 Å. The Y(1)-O(4) bond length is 2.30 Å. The Y(1)-O(5) bond length is 2.27 Å. The Y(1)-O(6) bond length is 2.28 Å. The Y(1)-O(8) bond length is 2.33 Å. There are two inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(7), and one O(8) atom to form distorted WO6 octahedra that share corners with four equivalent Y(1)O6 octahedra and edges with two equivalent W(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 43-63°. The W(1)-O(1) bond length is 1.83 Å. The W(1)-O(2) bond length is 1.97 Å. The W(1)-O(3) bond length is 2.15 Å. The W(1)-O(4) bond length is 2.10 Å. The W(1)-O(7) bond length is 2.00 Å. The W(1)-O(8) bond length is 2.15 Å. In the second W site, W(2) is bonded to one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form distorted WO6 octahedra that share corners with four equivalent Y(1)O6 octahedra and edges with two equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 36-57°. The W(2)-O(3) bond length is 1.93 Å. The W(2)-O(4) bond length is 2.00 Å. The W(2)-O(5) bond length is 1.80 Å. The W(2)-O(6) bond length is 1.88 Å. The W(2)-O(7) bond length is 2.18 Å. The W(2)-O(8) bond length is 2.08 Å. Mn(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(6), one O(7), and one O(8) atom. The Mn(1)-O(1) bond length is 2.73 Å. The Mn(1)-O(2) bond length is 2.08 Å. The Mn(1)-O(3) bond length is 2.19 Å. The Mn(1)-O(6) bond length is 2.26 Å. The Mn(1)-O(7) bond length is 2.06 Å. The Mn(1)-O(8) bond length is 2.52 Å. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one Y(1), one W(1), and one Mn(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Y(1), one W(1), and one Mn(1) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one W(1), one W(2), and one Mn(1) atom. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one Y(1), one W(1), and one W(2) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Y(1) and one W(2) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Y(1), one W(2), and one Mn(1) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one W(1), one W(2), and one Mn(1) atom. In the eighth O site, O(8) is bonded in a distorted trigonal pyramidal geometry to one Y(1), one W(1), one W(2), and one Mn(1) atom.