MnAl(WO4)2 is Hydrophilite-derived structured and crystallizes in the triclinic P-1 space group. There are two inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(5), two equivalent O(4), and two equivalent O(7) atoms to form distorted WO6 octahedra that share corners with four equivalent Mn(1)O6 octahedra, corners with four equivalent Al(1)O6 octahedra, and edges with two equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-57°. In the second W site, W(2) is bonded to one O(2), one O(6), two equivalent O(3), and two equivalent O(8) atoms to form WO6 octahedra that share corners with four equivalent Mn(1)O6 octahedra, corners with four equivalent Al(1)O6 octahedra, and edges with two equivalent W(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-60°. Mn(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom 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 51-60°. Al(1) is bonded to one O(1), one O(2), one O(5), one O(6), one O(7), and one O(8) atom 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 39-54°. 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(1), 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(1) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to two equivalent W(2) and one Mn(1) atom. In the fourth O site, O(4) is bonded in a trigonal planar geometry to two equivalent W(1) and one Mn(1) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one W(1), one Mn(1), and one Al(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one W(2), one Mn(1), and one Al(1) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to two equivalent W(1) and one Al(1) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to two equivalent W(2) and one Al(1) atom.
MnAl(WO4)2 is Hydrophilite-derived structured and crystallizes in the triclinic P-1 space group. There are two inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(5), two equivalent O(4), and two equivalent O(7) atoms to form distorted WO6 octahedra that share corners with four equivalent Mn(1)O6 octahedra, corners with four equivalent Al(1)O6 octahedra, and edges with two equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-57°. The W(1)-O(1) bond length is 1.85 Å. The W(1)-O(5) bond length is 1.86 Å. There is one shorter (1.94 Å) and one longer (2.11 Å) W(1)-O(4) bond length. There is one shorter (1.99 Å) and one longer (2.10 Å) W(1)-O(7) bond length. In the second W site, W(2) is bonded to one O(2), one O(6), two equivalent O(3), and two equivalent O(8) atoms to form WO6 octahedra that share corners with four equivalent Mn(1)O6 octahedra, corners with four equivalent Al(1)O6 octahedra, and edges with two equivalent W(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-60°. The W(2)-O(2) bond length is 1.91 Å. The W(2)-O(6) bond length is 1.98 Å. There is one shorter (2.00 Å) and one longer (2.04 Å) W(2)-O(3) bond length. There is one shorter (2.05 Å) and one longer (2.14 Å) W(2)-O(8) bond length. Mn(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom 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 51-60°. The Mn(1)-O(1) bond length is 2.28 Å. The Mn(1)-O(2) bond length is 2.16 Å. The Mn(1)-O(3) bond length is 2.06 Å. The Mn(1)-O(4) bond length is 2.14 Å. The Mn(1)-O(5) bond length is 2.30 Å. The Mn(1)-O(6) bond length is 2.10 Å. Al(1) is bonded to one O(1), one O(2), one O(5), one O(6), one O(7), and one O(8) atom 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 39-54°. The Al(1)-O(1) bond length is 2.07 Å. The Al(1)-O(2) bond length is 1.91 Å. The Al(1)-O(5) bond length is 1.95 Å. The Al(1)-O(6) bond length is 1.82 Å. The Al(1)-O(7) bond length is 2.24 Å. The Al(1)-O(8) bond length is 1.89 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(1), 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(1) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to two equivalent W(2) and one Mn(1) atom. In the fourth O site, O(4) is bonded in a trigonal planar geometry to two equivalent W(1) and one Mn(1) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one W(1), one Mn(1), and one Al(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one W(2), one Mn(1), and one Al(1) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to two equivalent W(1) and one Al(1) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to two equivalent W(2) and one Al(1) atom.