The material structure described by MgAgAl(WO4)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(3), one O(4), and one O(5) atom to form distorted MgO4 tetrahedra that share corners with three equivalent W(1)O6 octahedra, corners with three equivalent W(2)O6 octahedra, and  an edgeedge with one Al(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 46-62°. 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 three equivalent Mg(1)O4 tetrahedra, corners with three equivalent Ag(1)O4 tetrahedra, corners with three equivalent Al(1)O4 tetrahedra, and edges with two equivalent W(2)O6 octahedra. 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 two equivalent Al(1)O4 tetrahedra, corners with three equivalent Mg(1)O4 tetrahedra, corners with three equivalent Ag(1)O4 tetrahedra, and edges with two equivalent W(1)O6 octahedra. Ag(1) is bonded to one O(2), one O(6), one O(7), and one O(8) atom to form AgO4 tetrahedra that share corners with three equivalent W(1)O6 octahedra, corners with three equivalent W(2)O6 octahedra, and corners with two equivalent Al(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 52-70°. Al(1) is bonded to one O(1), one O(2), one O(4), and one O(6) atom to form AlO4 tetrahedra that share corners with two equivalent W(2)O6 octahedra, corners with three equivalent W(1)O6 octahedra, corners with two equivalent Ag(1)O4 tetrahedra, and  an edgeedge with one Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 29-62°. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Mg(1), one W(1), and one Al(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one W(1), one Ag(1), and one Al(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Mg(1), one W(1), and one W(2) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Mg(1), one W(1), one W(2), and one Al(1) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Mg(1) and one W(2) atom. In the sixth O site, O(6) is bonded in a distorted trigonal non-coplanar geometry to one W(2), one Ag(1), and one Al(1) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one W(1), one W(2), and one Ag(1) atom. In the eighth O site, O(8) is bonded in a trigonal non-coplanar geometry to one W(1), one W(2), and one Ag(1) atom. is represented by the CIF file [CIF]
data_MgAlAg(WO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.418
_cell_length_b   6.256
_cell_length_c   7.046
_cell_angle_alpha   106.651
_cell_angle_beta   128.345
_cell_angle_gamma   90.751
_symmetry_Int_Tables_number   1
_cell_volume   173.574
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Mg  Mg0  1  0.114  0.929  0.928  1.0
  Al  Al1  1  0.597  0.722  0.241  1.0
  Ag  Ag2  1  0.096  0.438  0.209  1.0
  W  W3  1  0.897  0.340  0.605  1.0
  W  W4  1  0.350  0.034  0.572  1.0
  O  O5  1  0.239  0.627  0.902  1.0
  O  O6  1  0.642  0.537  0.401  1.0
  O  O7  1  0.181  0.115  0.770  1.0
  O  O8  1  0.487  0.996  0.329  1.0
  O  O9  1  0.674  0.920  0.796  1.0
  O  O10  1  0.957  0.783  0.294  1.0
  O  O11  1  0.044  0.247  0.412  1.0
  O  O12  1  0.704  0.336  0.757  1.0
[/CIF]
.
The material structure described by MgAgAl(WO4)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(3), one O(4), and one O(5) atom to form distorted MgO4 tetrahedra that share corners with three equivalent W(1)O6 octahedra, corners with three equivalent W(2)O6 octahedra, and  an edgeedge with one Al(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 46-62°. 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 three equivalent Mg(1)O4 tetrahedra, corners with three equivalent Ag(1)O4 tetrahedra, corners with three equivalent Al(1)O4 tetrahedra, and edges with two equivalent W(2)O6 octahedra. 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 two equivalent Al(1)O4 tetrahedra, corners with three equivalent Mg(1)O4 tetrahedra, corners with three equivalent Ag(1)O4 tetrahedra, and edges with two equivalent W(1)O6 octahedra. Ag(1) is bonded to one O(2), one O(6), one O(7), and one O(8) atom to form AgO4 tetrahedra that share corners with three equivalent W(1)O6 octahedra, corners with three equivalent W(2)O6 octahedra, and corners with two equivalent Al(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 52-70°. Al(1) is bonded to one O(1), one O(2), one O(4), and one O(6) atom to form AlO4 tetrahedra that share corners with two equivalent W(2)O6 octahedra, corners with three equivalent W(1)O6 octahedra, corners with two equivalent Ag(1)O4 tetrahedra, and  an edgeedge with one Mg(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 29-62°. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Mg(1), one W(1), and one Al(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one W(1), one Ag(1), and one Al(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Mg(1), one W(1), and one W(2) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Mg(1), one W(1), one W(2), and one Al(1) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Mg(1) and one W(2) atom. In the sixth O site, O(6) is bonded in a distorted trigonal non-coplanar geometry to one W(2), one Ag(1), and one Al(1) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one W(1), one W(2), and one Ag(1) atom. In the eighth O site, O(8) is bonded in a trigonal non-coplanar geometry to one W(1), one W(2), and one Ag(1) atom. is represented by the CIF file [CIF]
data_MgAlAg(WO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.418
_cell_length_b   6.256
_cell_length_c   7.046
_cell_angle_alpha   106.651
_cell_angle_beta   128.345
_cell_angle_gamma   90.751
_symmetry_Int_Tables_number   1
_cell_volume   173.574
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Mg  Mg0  1  0.114  0.929  0.928  1.0
  Al  Al1  1  0.597  0.722  0.241  1.0
  Ag  Ag2  1  0.096  0.438  0.209  1.0
  W  W3  1  0.897  0.340  0.605  1.0
  W  W4  1  0.350  0.034  0.572  1.0
  O  O5  1  0.239  0.627  0.902  1.0
  O  O6  1  0.642  0.537  0.401  1.0
  O  O7  1  0.181  0.115  0.770  1.0
  O  O8  1  0.487  0.996  0.329  1.0
  O  O9  1  0.674  0.920  0.796  1.0
  O  O10  1  0.957  0.783  0.294  1.0
  O  O11  1  0.044  0.247  0.412  1.0
  O  O12  1  0.704  0.336  0.757  1.0
[/CIF]
.