MnAl(WO4)2 is Hydrophilite-derived structured and crystallizes in the monoclinic P2 space group. There are two inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(3), one O(4), one O(6), one O(7), and one O(8) atom to form distorted WO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, corners with two equivalent Al(1)O6 octahedra, corners with two equivalent Al(2)O6 octahedra, and edges with two equivalent W(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-60°. In the second W site, W(2) is bonded to one O(2), one O(3), one O(4), one O(5), one O(7), and one O(8) atom to form WO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, corners with two equivalent Al(1)O6 octahedra, corners with two equivalent Al(2)O6 octahedra, and edges with two equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-56°. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(6) atoms to form MnO6 octahedra that share corners with four equivalent W(1)O6 octahedra, corners with four equivalent W(2)O6 octahedra, and edges with two equivalent Al(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-60°. In the second Mn site, Mn(2) is bonded to two equivalent O(1), two equivalent O(4), and two equivalent O(5) atoms to form MnO6 octahedra that share corners with four equivalent W(1)O6 octahedra, corners with four equivalent W(2)O6 octahedra, and edges with two equivalent Al(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-59°. There are two inequivalent Al sites. In the first Al site, Al(1) is bonded to two equivalent O(1), two equivalent O(5), and two equivalent O(7) atoms to form AlO6 octahedra that share corners with four equivalent W(1)O6 octahedra, corners with four equivalent W(2)O6 octahedra, and edges with two equivalent Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-53°. In the second Al site, Al(2) is bonded to two equivalent O(2), two equivalent O(6), and two equivalent O(8) atoms to form AlO6 octahedra that share corners with four equivalent W(1)O6 octahedra, corners with four equivalent W(2)O6 octahedra, and edges with two equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-53°. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one W(1), one Mn(2), and one Al(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one W(2), one Mn(1), and one Al(2) atom. In the third O site, O(3) is bonded in a trigonal planar 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 W(1), one W(2), and one Mn(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one W(2), one Mn(2), and one Al(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one W(1), one Mn(1), and one Al(2) 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 Al(1) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one W(1), one W(2), and one Al(2) atom.
MnAl(WO4)2 is Hydrophilite-derived structured and crystallizes in the monoclinic P2 space group. There are two inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(3), one O(4), one O(6), one O(7), and one O(8) atom to form distorted WO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, corners with two equivalent Al(1)O6 octahedra, corners with two equivalent Al(2)O6 octahedra, and edges with two equivalent W(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-60°. The W(1)-O(1) bond length is 1.88 Å. The W(1)-O(3) bond length is 2.10 Å. The W(1)-O(4) bond length is 2.04 Å. The W(1)-O(6) bond length is 1.95 Å. The W(1)-O(7) bond length is 2.15 Å. The W(1)-O(8) bond length is 2.05 Å. In the second W site, W(2) is bonded to one O(2), one O(3), one O(4), one O(5), one O(7), and one O(8) atom to form WO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, corners with two equivalent Al(1)O6 octahedra, corners with two equivalent Al(2)O6 octahedra, and edges with two equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-56°. The W(2)-O(2) bond length is 1.87 Å. The W(2)-O(3) bond length is 1.94 Å. The W(2)-O(4) bond length is 2.01 Å. The W(2)-O(5) bond length is 1.89 Å. The W(2)-O(7) bond length is 2.01 Å. The W(2)-O(8) bond length is 2.10 Å. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(6) atoms to form MnO6 octahedra that share corners with four equivalent W(1)O6 octahedra, corners with four equivalent W(2)O6 octahedra, and edges with two equivalent Al(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-60°. Both Mn(1)-O(2) bond lengths are 2.22 Å. Both Mn(1)-O(3) bond lengths are 2.14 Å. Both Mn(1)-O(6) bond lengths are 2.13 Å. In the second Mn site, Mn(2) is bonded to two equivalent O(1), two equivalent O(4), and two equivalent O(5) atoms to form MnO6 octahedra that share corners with four equivalent W(1)O6 octahedra, corners with four equivalent W(2)O6 octahedra, and edges with two equivalent Al(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-59°. Both Mn(2)-O(1) bond lengths are 2.20 Å. Both Mn(2)-O(4) bond lengths are 2.06 Å. Both Mn(2)-O(5) bond lengths are 2.20 Å. There are two inequivalent Al sites. In the first Al site, Al(1) is bonded to two equivalent O(1), two equivalent O(5), and two equivalent O(7) atoms to form AlO6 octahedra that share corners with four equivalent W(1)O6 octahedra, corners with four equivalent W(2)O6 octahedra, and edges with two equivalent Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-53°. Both Al(1)-O(1) bond lengths are 1.96 Å. Both Al(1)-O(5) bond lengths are 1.91 Å. Both Al(1)-O(7) bond lengths are 2.02 Å. In the second Al site, Al(2) is bonded to two equivalent O(2), two equivalent O(6), and two equivalent O(8) atoms to form AlO6 octahedra that share corners with four equivalent W(1)O6 octahedra, corners with four equivalent W(2)O6 octahedra, and edges with two equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-53°. Both Al(2)-O(2) bond lengths are 2.05 Å. Both Al(2)-O(6) bond lengths are 1.85 Å. Both Al(2)-O(8) bond lengths are 1.98 Å. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one W(1), one Mn(2), and one Al(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one W(2), one Mn(1), and one Al(2) atom. In the third O site, O(3) is bonded in a trigonal planar 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 W(1), one W(2), and one Mn(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one W(2), one Mn(2), and one Al(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one W(1), one Mn(1), and one Al(2) 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 Al(1) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one W(1), one W(2), and one Al(2) atom.