VAl(WO4)2 is Hydrophilite-derived structured and crystallizes in the monoclinic P2 space group. There are two inequivalent V sites. In the first V site, V(1) is bonded to two equivalent O(1), two equivalent O(4), and two equivalent O(5) atoms to form VO6 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 49-58°. In the second V site, V(2) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(6) atoms to form VO6 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 49-58°. There are two inequivalent W sites. In the first W site, W(1) 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 V(1)O6 octahedra, corners with two equivalent V(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 46-58°. In the second W site, W(2) 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 WO6 octahedra that share corners with two equivalent V(1)O6 octahedra, corners with two equivalent V(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 46-58°. 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 V(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 46-51°. 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 V(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 46-51°. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one V(1), one W(2), and one Al(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one V(2), one W(1), and one Al(2) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one V(2), one W(1), and one W(2) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one V(1), one W(1), and one W(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one V(1), one W(1), and one Al(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one V(2), one W(2), 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.
VAl(WO4)2 is Hydrophilite-derived structured and crystallizes in the monoclinic P2 space group. There are two inequivalent V sites. In the first V site, V(1) is bonded to two equivalent O(1), two equivalent O(4), and two equivalent O(5) atoms to form VO6 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 49-58°. Both V(1)-O(1) bond lengths are 2.10 Å. Both V(1)-O(4) bond lengths are 2.02 Å. Both V(1)-O(5) bond lengths are 2.01 Å. In the second V site, V(2) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(6) atoms to form VO6 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 49-58°. Both V(2)-O(2) bond lengths are 2.10 Å. Both V(2)-O(3) bond lengths are 2.02 Å. Both V(2)-O(6) bond lengths are 2.02 Å. There are two inequivalent W sites. In the first W site, W(1) 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 V(1)O6 octahedra, corners with two equivalent V(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 46-58°. The W(1)-O(2) bond length is 1.89 Å. The W(1)-O(3) bond length is 2.07 Å. The W(1)-O(4) bond length is 2.04 Å. The W(1)-O(5) bond length is 1.99 Å. The W(1)-O(7) bond length is 2.03 Å. The W(1)-O(8) bond length is 2.11 Å. In the second W site, W(2) 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 WO6 octahedra that share corners with two equivalent V(1)O6 octahedra, corners with two equivalent V(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 46-58°. The W(2)-O(1) bond length is 1.89 Å. The W(2)-O(3) bond length is 2.04 Å. The W(2)-O(4) bond length is 2.07 Å. The W(2)-O(6) bond length is 1.99 Å. The W(2)-O(7) bond length is 2.11 Å. The W(2)-O(8) bond length is 2.03 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 V(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 46-51°. Both Al(1)-O(1) bond lengths are 1.99 Å. Both Al(1)-O(5) bond lengths are 1.91 Å. Both Al(1)-O(7) bond lengths are 1.93 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 V(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 46-51°. Both Al(2)-O(2) bond lengths are 1.99 Å. Both Al(2)-O(6) bond lengths are 1.91 Å. Both Al(2)-O(8) bond lengths are 1.93 Å. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one V(1), one W(2), and one Al(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one V(2), one W(1), and one Al(2) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one V(2), one W(1), and one W(2) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one V(1), one W(1), and one W(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one V(1), one W(1), and one Al(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one V(2), one W(2), 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.